Colt Technology Services

Harry Yelland’s research · 2026-10-06 · Live research database · 2026-10-06.1

Original research wording and source decisions. Partial evidence is not confirmed capability; rejected sources do not support a claim. Research notes and workbook instructions are source material, not buyer instructions.

Research status: Complete

Editorial

Slug: colt-technology-services
Notes: Final copy from article draft of 2026-10-06
Provider: Colt Technology Services
Reviewed by: Harry Yelland
Best for (20 words max): Large estates spanning the UK, Europe and Asia wanting an owned carrier network and an integrated Versa SASE option.
Review date (YYYY-MM-DD): 2026-10-06
Strength 1 (25 words max): Describes a global MPLS network connecting 32,000 buildings, with its own core network.
Strength 2 (25 words max): Publishes 99.9% minimum availability for its MPLS IP VPN service on its G-Cloud 14 listing.
Strength 3 (25 words max): Lists five QoS classes and names Versa SASE with Cisco, Meraki, Aruba and Fortinet for SD-WAN.
Weakness 1 (25 words max): Latency, jitter and packet loss SLAs exist but no figures were found, so performance cannot be compared.
Weakness 2 (25 words max): The 99.9% availability figure does not say whether it covers resilient access.
Weakness 3 (25 words max): Colt was not found on CCS Network Services 3 or HSCN lists, which matters for public sector buyers.
Buyer size fit (comma separated: Large global enterprise, Mid-market, Small business): Large global enterprise
Verdict (40 words max; must include one figure from the fact sheets and the review month): Netify recommends Colt for multinational estates that value an owned network connecting 32,000 buildings. Its 99.9% availability is the only target found, so request latency and jitter terms. Reviewed October 2026.

Providers

Slug: colt-technology-services
Notes: Companies House record read directly: COLT TECHNOLOGY SERVICES is a private unlimited company, so the missing company type suffix is correct. Contracting entity, parent, type, URLs and Ofcom status not yet reviewed. Colt network stats (outside pass, to confirm): over 31,000 connected buildings, 32 countries, 222 cities and 51 metropolitan area networks. Older pages say 29,000+ buildings, so record the figure with its date. Re-check of the outside research pass, 2026-10-01 (page-reader wording; confirm on the page): The earlier ultimate parent source (company 08613200) is a different company; the PSC for 02452736 is Colt Telecom Limited. Colt contract-term rows cited a Spitfire price list that never mentions Colt, and are rejected. Cells filled on 2026-10-02 from the outside research pass are Partial unless the re-check confirmed them. Not found means the pass searched and saw nothing, not that it does not exist. Verify each against its source row, then set Decision.
Website: https://www.colt.net
Provider: Colt Technology Services
Provider type: Tier-1 global carrier
Parent or group: Colt Telecom Limited (immediate parent, Companies House PSC)
Research status: Complete
Supporting source IDs: MPLS-165, MPLS-207, MPLS-225, MPLS-337, MPLS-338, MPLS-339
Companies House number: 02452736
Registered office country: United Kingdom
Exclusion reason (if Excluded): Not recorded
Cells still To review (formula): =COUNTIF(C5:Q5,"To review")
MPLS or IP VPN service page URL: https://www.colt.net/products/networking/ip-vpn
SD-WAN or SASE service page URL: https://www.colt.net/products/networking/sd-wan
UK contracting entity confirmed: Proven
Legal entity name (Companies House): Colt Technology Services
Ofcom-regulated communications provider: Partial
Year MPLS or IP VPN service first offered (if published): Not published

Sector Evidence

Slug: colt-technology-services
Notes: Not recorded
Provider: Colt Technology Services
Education: UK case: No
Healthcare: UK case: No
Supporting source IDs: MPLS-234, MPLS-748
Manufacturing: UK case: No
Education: evidence status: Not found
Financial services: UK case: No
Healthcare: evidence status: Not found
Energy and utilities: UK case: No
Manufacturing: evidence status: Not found
Professional services: UK case: No
Retail and e-commerce: UK case: No
Cells still To review (formula): =COUNTIF(C5:X5,"To review")
Hospitality and leisure: UK case: No
Transport and logistics: UK case: No
Financial services: evidence status: Not found
Energy and utilities: evidence status: Not found
Government and public sector: UK case: No
Professional services: evidence status: Not found
Retail and e-commerce: evidence status: Not found
Hospitality and leisure: evidence status: Not found
Transport and logistics: evidence status: Not found
Government and public sector: evidence status: Not found

Commercial Model

Slug: colt-technology-services
Notes: Outside-pass details, unverified (Partial or Not found entered from them): Billing in GBP: UK entity.
Provider: Colt Technology Services
Billing in GBP: Partial
Supporting source IDs: MPLS-234, MPLS-245, MPLS-347
Cells still To review (formula): =COUNTIF(C5:L5,"To review")
Minimum term (months or Not published): Not published
Channel or wholesale route for resellers: Not found
Pricing published (never record a price): Quote only
Excess construction charges policy published: Not found
Contract terms offered (comma separated months): Not published
Install lead time published (weeks or Not published): Not published
Public-sector frameworks available through (comma separated): G-Cloud 15 (supplier); G-Cloud 14 (claimed service)

Network and Coverage

Slug: colt-technology-services
Notes: Outside-pass details, unverified (Partial or Not found entered from them): Coverage UK/Ireland: own PoPs; Coverage Europe: own PoPs; Coverage North America: own PoPs; Coverage APAC: own PoPs. Module 2: the 222 cities and 32 countries wording is out of date (current page says 230+ cities and 1,100+ data centres). Certificate scope claim not verified. Fourth research pass 2026-10-02, page-reader summaries: On-net UK data centres (comma separated): value entered. Page is from the Colt DCS data centre site, which may be a separate entity from Colt Technology Services; entity link not checked on Companies House.
24x7 NOC: Not found
Provider: Colt Technology Services
UK-based NOC: Not found
Coverage: Europe: Partial
Owns core network: Proven
Supporting source IDs: MPLS-340, MPLS-675, MPLS-676, MPLS-811, MPLS-842
Coverage: Asia Pacific: Partial
Coverage: Latin America: Not found
Coverage: North America: Partial
Coverage: China mainland: Not found
Cells still To review (formula): =COUNTIF(C5:X5,"To review")
NOC locations (comma separated): Not found
UK PoP cities (comma separated): Leeds, Bristol, Slough, Bracknell, Reading, Milton Keynes, Edinburgh, Glasgow (December 2021 release)
Coverage: Middle East and Africa: Not found
Countries with on-net PoPs (list): Not published
Countries with on-net PoPs (count): Not published
NOC count (integer or Not published): Not published
Core network description (25 words max): Global MPLS network, 32,000 buildings connected, 1,100 data centres across Europe, Asia and US
UK PoP count (integer or Not published): Not published
On-net UK data centres (comma separated): London Data Centre City, London Data Centre North, London Data Centre West
Global PoP count (integer or Not published): Not published
UK access tails available (comma separated carriers): Own network
Coverage: UK and Ireland (Proven = own PoPs; Partner = via partner): Proven

Hybrid WAN SD-WAN SASE

Slug: colt-technology-services
Notes: Outside-pass details, unverified (Partial or Not found entered from them): Managed: managed service; SASE platform offered: Colt SASE, Sovereign SASE; ZTNA: zero-trust journey referenced; SWG/CASB: Colt SASE Gateway includes secure web access; Managed firewall: firewall function delivered as software; Hybrid underlay one contract: IP VPN + Internet hybrid models; MPLS to SD-WAN migration: IP VPN is stepping stone to SD WAN; Application-aware routing over MPLS: traffic prioritisation, steer apps to Internet or MPLS path.
Provider: Colt Technology Services
Managed SD-WAN: Partial
Managed firewall: Partial
Co-managed option: Not found
SASE platform offered: Partial
Supporting source IDs: MPLS-338, MPLS-340, MPLS-345, MPLS-346
Zero trust network access: Partial
Secure web gateway or CASB: Partial
Cells still To review (formula): =COUNTIF(C5:Q5,"To review")
MPLS to SD-WAN migration service: Partial
Application-aware routing over MPLS: Partial
Security operations centre or managed detection: Not found
SD-WAN overlay offered (SD-WAN is a component of SASE): Partial
Hybrid underlay on one contract (MPLS plus DIA plus broadband): Partial
SASE or SSE partners (comma separated: Zscaler, Netskope, Palo Alto Prisma, Cato, Cloudflare, Fortinet, other): Versa Networks (Versa SASE)
SD-WAN platforms offered (comma separated: Cisco Catalyst, Cisco Meraki, Fortinet, Versa, VeloCloud, Palo Alto Prisma, Juniper, HPE Aruba, other): Versa Networks, Cisco, Meraki, Aruba, Fortinet, Palo Alto, Juniper, VMware

Service and Performance

IPv6: Partial
Slug: colt-technology-services
Notes: Re-check of the outside research pass, 2026-10-01 (page-reader wording; confirm on the page): Core availability 99.9 is the minimum stated in the G-Cloud MPLS IPVPN listing, not a Colt-hosted SLA. QoS classes conflict: five on colt.net, six in the G-Cloud listing, so left To review. The latency, jitter and loss figures from the earlier pass were for SIP Trunking or from third-party copies of old documents, and the cited Colt IP Access PDF returns 404. Find Colt's own current IP VPN SLA. Outside-pass details, unverified (Partial or Not found entered from them): IPv6: dual-stack IPv4/IPv6 support; Any-to-any: full mesh any-to-any connectivity; Hub-and-spoke: partial mesh or star network topologies; Internet breakout at PoP: Internet break-out option; DIA on same contract: Colt Dedicated Internet Access; Service credits published: service credits for SLA targets not met. Register check 2026-10-02 (page-reader summaries, not verbatim): MEF 3.0 per press releases (register unreadable): CE 2022-05-26: 'achieved full MEF 3.0 Certification for its Global Carrie; SD-WAN 2021-07-29: 'Colt SD WAN' certified MEF 3.0 SD-WAN (MEF 70); SASE 2024-10-29: listed among certified SASE service pr; AWS Direct Connect partner list: EU Ireland (Dublin, London, Slough); EU London (London, Slough, Manchester); Microsoft ExpressRoute connectivity providers: London, London2, Newport (also many EU/Asia/US); Google Cloud Interconnect service providers: Layer 2 (London). Second research pass 2026-10-02, page-reader summaries: CoS marking honoured end to end: recorded as Partial. CONFLICT: Colt page says five classes, G-Cloud listing (https://www.applytosupply.digitalmarketplace.service.gov.uk/g-cloud/services/454402726767302) | Availability SLA access with resilience (%: value shown with caveat. Product Colt MPLS IPVPN, supplier Colt Technology Services. Figure is a minimum availability, not stated for access with resilience, so Partial. Listi Figure seen: 99.9% minimum (not tied to a resilient access option) Third research pass 2026-10-02, page-reader summaries: Availability SLA access with resilience (%: figure seen but not entered (99.9% minimum (access resilience not stated)). Colt MPLS | Lowered from Proven to Partial on 2026-10-06: no Accepted source covers Cloud on-ramp: Azure ExpressRoute. Evidence is reader-summary, group-level or not yet checked on the live page. | Restored to Proven 2026-10-06: live page check now supports Cloud on-ramp: Azure ExpressRoute.
Provider: Colt Technology Services
Multicast: Not found
4G or 5G backup: Not found
DDoS protection: Not found
Ethernet access: Partial
SLA document URL: https://www.colt.net/wp-content/uploads/2024/02/colt-ip-access.pdf
Satellite access: Not found
Any-to-any topology: Partial
Layer 2 VPLS or E-LAN: Not found
Layer 3 IP VPN (MPLS): Partial
Supporting source IDs: MPLS-234, MPLS-338, MPLS-340, MPLS-341, MPLS-343, MPLS-344, MPLS-601, MPLS-602, MPLS-603, MPLS-604, MPLS-748
Hub-and-spoke topology: Partial
FTTP or broadband access: Partial
Internet breakout at PoP: Partial
Service credits published: Partial
Jitter (ms or Not published): Not published
Access bandwidth maximum (Mb/s): Not published
Access bandwidth minimum (Mb/s): Not published
Cells still To review (formula): =COUNTIF(C5:AI5,"To review")
CoS marking honoured end to end: Partial
Packet loss (% or Not published): Not published
Point-to-point Ethernet (E-Line): Not found
Cloud on-ramp: AWS Direct Connect: Partial
Cloud on-ramp: Azure ExpressRoute: Proven
Diverse routing or dual parenting: Not found
MEF 3.0 Carrier Ethernet certified: Partial
Cloud on-ramp: Google Cloud Interconnect: Partial
Availability SLA core (% or Not published): 99.9
Direct internet access on the same contract: Partial
QoS classes offered (count or Not published): 5
MTTR or repair target (hours or Not published): Not published
Latency UK core round trip (ms or Not published): Not published
Availability SLA access with resilience (% or Not published): Not published

Operations and Assurance

Slug: colt-technology-services
Notes: Re-check of the outside research pass, 2026-10-01 (page-reader wording; confirm on the page): G-Cloud 14 listing for Colt MPLS IPVPN seen. HSCN and PSN are Partial: the G-Cloud MPLS IPVPN listing says certified; no NHS or PSN register entry seen. Certificates are Partial: ISO 27001 from the G-Cloud listing (Schellman, 30/06/2017); ISO 9001 and ISO 22301 from the Italian Colt certifications page, so the entity is not the UK one; Cyber Essentials Plus from the G-Cloud listing. Outside-pass details, unverified (Partial or Not found entered from them): Customer portal: real-time dashboards, analytics, self-service traffic view; Proactive monitoring: monitoring, maintenance and support all inclusive; Monthly SLA reporting: detailed logs and performance reporting; UK-based support: London headquarters. Register check 2026-10-02 (page-reader summaries, not verbatim): RM6116: not on any lot supplier list read (full all-suppliers list not readable); Not on cached all-suppliers pages 2-3 (COCONNECT, COMMSWORLD, COMPUTACENTER sequence) nor in any lot list (1a-1d, 2a, 3a; HSCN: outside claim not supported; absent from the NHS and RM3825 lists read; G-Cloud: G-Cloud 15 (supplier); G-Cloud 14 (claimed service), supplier ID 92236 (G-Cloud 15 index); 92838 (shown on G-Cloud 14 service page), entity COLT TECHNOLOGY SERVICES. | Lowered from Proven to Partial on 2026-10-06: no Accepted source covers UK-based support. Evidence is reader-summary, group-level or not yet checked on the live page.
ISO 9001: Partial
Provider: Colt Technology Services
ISO 22301: Partial
ISO 27001: Partial
API access: Not found
G-Cloud listed: Proven
HSCN compliant: Not found
Customer portal: Partial
UK-based support: Partial
Proactive monitoring: Partial
SC-cleared engineers: Not found
Cyber Essentials Plus: Partial
Monthly SLA reporting: Partial
Supporting source IDs: MPLS-234, MPLS-245, MPLS-246, MPLS-338, MPLS-340, MPLS-347, MPLS-600
PSN connectivity compliance: Partial
Cells still To review (formula): =COUNTIF(C5:T5,"To review")
Change management process published: Not found
CCS Network Services 3 (RM6116) supplier: Not found
Regulatory notices or published enforcement in last three years (text or None found): None found (outside-pass search with no source URL; check the Ofcom enforcement register)

Supporting records

MPLS-165 — Accepted: Companies House: Colt Technology Services

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-165
Confidence: Medium
Source URL: https://find-and-update.company-information.service.gov.uk/search/companies?q=colt+technology+services+limited
Record type: Company record
Checked date: 2026-10-01
Source title: Companies House: Colt Technology Services
Published date: Not shown
Reliability tier: 2
Source ownership: Independent public record
Limitation and notes: Companies House search result. Trading name to legal entity match made on the name only, so confirm the contracting entity from the provider terms. Wording captured through a page-reader summary on 2026-10-01. Confirm verbatim on the page, then set Decision. Name as returned shows no company type suffix, so check the record. Decision 2026-10-06: Accepted (tier 2 source, wording and supported columns recorded, reader-checked; verbatim check on the live page still due).
Sector (if case study): Not recorded
Named product or service: Not recorded
Named customer (case studies only): Not recorded
Sheets and columns this source supports: Providers: Legal entity name; Companies House number; Registered office country
Exact supporting wording (25 words max, verbatim): COLT TECHNOLOGY SERVICES

MPLS-207 — Accepted: Persons with significant control: COLT TECHNOLOGY SERVICES

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-207
Confidence: Medium
Source URL: https://find-and-update.company-information.service.gov.uk/company/02452736/persons-with-significant-control
Record type: Company record
Checked date: 2026-10-01
Source title: Persons with significant control: COLT TECHNOLOGY SERVICES
Published date: Not shown
Reliability tier: 2
Source ownership: Independent public record
Limitation and notes: Wording captured through a page-reader summary during the 2026-10-01 re-check of an outside research pass. Confirm verbatim on the page, then set Decision. The dash in the wording is the source's own. Scope: Companies House PSC register for 02452736. Decision 2026-10-06: Accepted (tier 2 source, wording and supported columns recorded, reader-checked; verbatim check on the live page still due).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Providers: Parent or group
Exact supporting wording (25 words max, verbatim): Ownership of shares – 75% or more

MPLS-225 — Accepted: Colt group of companies

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-225
Confidence: Medium
Source URL: https://docs.colt.net/legal/colt-group-of-companies
Record type: Service page
Checked date: 2026-10-01
Source title: Colt group of companies
Published date: Not shown
Reliability tier: 1
Source ownership: Provider's own
Limitation and notes: Wording captured through a page-reader summary during the 2026-10-01 re-check of an outside research pass. Confirm verbatim on the page, then set Decision. Reader summary of the value: Colt Technology Services, 02452736, England and Wales, 20 Great Eastern Street, London EC2A 3EH. Scope: Colt group company list. Decision 2026-10-06: Accepted (tier 1 source, wording and supported columns recorded, reader-checked; verbatim check on the live page still due).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Providers: UK contracting entity confirmed
Exact supporting wording (25 words max, verbatim): Not captured. Copy the exact wording from the page.

MPLS-234 — Accepted: Colt MPLS IPVPN (G-Cloud)

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-234
Confidence: Medium
Source URL: https://www.applytosupply.digitalmarketplace.service.gov.uk/g-cloud/services/454402726767302
Record type: Regulator or framework record
Checked date: 2026-10-01
Source title: Colt MPLS IPVPN (G-Cloud)
Published date: Not shown
Reliability tier: 2
Source ownership: Independent public record
Limitation and notes: Wording captured through a page-reader summary during the 2026-10-01 re-check of an outside research pass. Confirm verbatim on the page, then set Decision. Scope: G-Cloud 14. Decision 2026-10-06: Accepted (tier 2 source, wording and supported columns recorded, reader-checked; verbatim check on the live page still due).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Operations and Assurance: G-Cloud listed; Operations and Assurance: HSCN compliant; Operations and Assurance: PSN connectivity; Commercial Model: Public-sector frameworks; Service and Performance: Availability SLA core; Service and Performance: Availability SLA access with resilience (% or Not published); Sector Evidence: Supporting source IDs
Exact supporting wording (25 words max, verbatim): Framework: G-Cloud 14

MPLS-245 — Accepted: Colt Contact Centre as a Service

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-245
Confidence: Medium
Source URL: https://www.applytosupply.digitalmarketplace.service.gov.uk/g-cloud-14/services/709306400251656
Record type: Regulator or framework record
Checked date: 2026-10-01
Source title: Colt Contact Centre as a Service
Published date: Not shown
Reliability tier: 2
Source ownership: Independent public record
Limitation and notes: Wording captured through a page-reader summary during the 2026-10-01 re-check of an outside research pass. Confirm verbatim on the page, then set Decision. Scope: Colt Contact Centre as a Service listing, G-Cloud 14. Decision 2026-10-06: Accepted (tier 2 source, wording and supported columns recorded, reader-checked; verbatim check on the live page still due).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Operations and Assurance: ISO 27001; Operations and Assurance: Cyber Essentials Plus; Commercial Model: Pricing published (never record a price)
Exact supporting wording (25 words max, verbatim): ISO 27001 Certification: Yes, accredited by Schellman on 30/06/2017

MPLS-246 — Accepted: Recognition (Italian page)

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-246
Confidence: Medium
Source URL: https://www.colt.net/it/about/certifications
Record type: Service page
Checked date: 2026-10-01
Source title: Recognition (Italian page)
Published date: Not shown
Reliability tier: 1
Source ownership: Provider's own
Limitation and notes: Wording captured through a page-reader summary during the 2026-10-01 re-check of an outside research pass. Confirm verbatim on the page, then set Decision. Scope: colt.net/it/about/certifications. Decision 2026-10-06: Accepted (tier 1 source, wording and supported columns recorded, reader-checked; verbatim check on the live page still due).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Operations and Assurance: ISO 9001; Operations and Assurance: ISO 22301
Exact supporting wording (25 words max, verbatim): Sistema di gestione della qualità

MPLS-337 — Accepted: Networking Services

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-337
Confidence: High
Source URL: https://www.colt.net/products/networking
Record type: Service page
Checked date: 2026-10-02
Source title: Networking Services
Published date: Not shown
Reliability tier: 1
Source ownership: Provider's own
Limitation and notes: Wording came from an outside research pass and is not verified verbatim. Confirm on the page, then set Decision. Live page check 2026-10-06: verified, exact wording captured. Colt self-description on networking page. Decision 2026-10-06: Accepted (live page read, quotation captured).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Providers: Provider type
Exact supporting wording (25 words max, verbatim): digital infrastructure and data centre services provider

MPLS-338 — Accepted: SD WAN & SASE

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-338
Confidence: Low
Source URL: https://www.colt.net/products/networking/sd-wan
Record type: Service page
Checked date: 2026-10-02
Source title: SD WAN & SASE
Published date: 2026-09-30
Reliability tier: 1
Source ownership: Provider's own
Limitation and notes: Wording came from an outside research pass and is not verified verbatim. Confirm on the page, then set Decision. Live page check 2026-10-06: supports a weaker or differently scoped claim. Page shows IPv6, ZTNA, portal, MPLS steering and SASE gateway; VeloCloud and CASB not named. Decision 2026-10-06: Accepted (live page read; supports a weaker or differently scoped claim, so the limitation above applies; accepted by Harry 2026-10-06).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Providers: SD-WAN or SASE service page URL; Service and Performance: IPv6; Hybrid WAN SD-WAN SASE: SASE platform offered; Hybrid WAN SD-WAN SASE: SD-WAN platforms offered (comma separated: Cisco Catalyst, Cisco Meraki, Fortinet, Versa, VeloCloud, Palo Alto Prisma, Juniper, HPE Aruba, other); Hybrid WAN SD-WAN SASE: SD-WAN overlay offered (SD-WAN is a component of SASE); Hybrid WAN SD-WAN SASE: Secure web gateway or CASB; Hybrid WAN SD-WAN SASE: Application-aware routing over MPLS; Hybrid WAN SD-WAN SASE: Zero trust network access; Operations and Assurance: Customer portal
Exact supporting wording (25 words max, verbatim): Colt SD WAN & SASE, Secure. Visible. Agile. Power your zero-trust journey with WAN

MPLS-339 — Accepted: UKRN telecommunications

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-339
Confidence: High
Source URL: https://ukrn.org.uk/sector/telecommunications/
Record type: Regulator or framework record
Checked date: 2026-10-02
Source title: UKRN telecommunications
Published date: 2026-03-11
Reliability tier: 2
Source ownership: Independent public record
Limitation and notes: Wording came from an outside research pass and is not verified verbatim. Confirm on the page, then set Decision. Live page check 2026-10-06: verified, exact wording captured. Generic UKRN statement on Ofcom; does not name Colt as a registered provider. Decision 2026-10-06: Accepted (live page read, quotation captured).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Providers: Ofcom-regulated communications provider
Exact supporting wording (25 words max, verbatim): Ofcom is responsible for economic regulation (notably fixed telecoms network infrastructure), sector-specific rules on all providers

MPLS-340 — Accepted: IP VPN

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-340
Confidence: Low
Source URL: https://www.colt.net/products/networking/ip-vpn
Record type: Service page
Checked date: 2026-10-02
Source title: IP VPN
Published date: 2026-08-11
Reliability tier: 1
Source ownership: Provider's own
Limitation and notes: Wording came from an outside research pass and is not verified verbatim. Confirm on the page, then set Decision. Live page check 2026-10-06: supports a weaker or differently scoped claim. Global figures (Europe, Asia, US); supports MPLS-based IP VPN, five CoS, IPv6, SLA with service credits, SD-WAN migration and hybrid; UK tails, ownership, portal not shown. Decision 2026-10-06: Accepted (live page read; supports a weaker or differently scoped claim, so the limitation above applies; accepted by Harry 2026-10-06).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Network and Coverage: Core network description (25 words max); Network and Coverage: Coverage: Asia Pacific; Network and Coverage: Coverage: Europe; Network and Coverage: Coverage: North America; Network and Coverage: UK access tails available (comma separated carriers); Network and Coverage: Owns core network; Network and Coverage: Coverage: UK and Ireland (Proven = own PoPs; Partner = via partner); Service and Performance: QoS classes offered (count or Not published); Service and Performance: Layer 3 IP VPN (MPLS); Service and Performance: Direct internet access on the same contract; Service and Performance: IPv6; Service and Performance: Service credits published; Hybrid WAN SD-WAN SASE: MPLS to SD-WAN migration service; Hybrid WAN SD-WAN SASE: Hybrid underlay on one contract (MPLS plus DIA plus broadband); Hybrid WAN SD-WAN SASE: Managed SD-WAN; Hybrid WAN SD-WAN SASE: Application-aware routing over MPLS; Operations and Assurance: Customer portal; Operations and Assurance: Monthly SLA reporting; Operations and Assurance: Proactive monitoring
Exact supporting wording (25 words max, verbatim): 32,000 buildings connected, 1,100 data centres across Europe, Asia and the US

MPLS-341 — Rejected: IP VPN (Colt Online Help)

Slug: colt-technology-services
Decision: Rejected
Provider: Colt Technology Services
Source ID: MPLS-341
Confidence: Low
Source URL: https://coltonlinehelp.colt.net/portfolio-optimisation/ip-vpn/
Record type: Service page
Checked date: 2026-10-02
Source title: IP VPN (Colt Online Help)
Published date: 2025-12-18
Reliability tier: 1
Source ownership: Provider's own
Limitation and notes: Wording came from an outside research pass and is not verified verbatim. Confirm on the page, then set Decision. Colt help page Live page check 2026-10-06: page could not be read by the fetch tool. WebFetch refused the Colt Online Help URL twice (provenance restriction); page could not be read. Decision 2026-10-06: Rejected (page not published or available to review (could not be read or checked on the live page); Harry's call 2026-10-06).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Service and Performance: Hub-and-spoke topology; Service and Performance: Any-to-any topology
Exact supporting wording (25 words max, verbatim): The service is MPLS-Based and is a good solution for full mesh any-to-any connectivity, or partial mesh or star network topologies

MPLS-343 — Accepted: Colt SIP Trunking (G-Cloud)

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-343
Confidence: Low
Source URL: https://assets.applytosupply.digitalmarketplace.service.gov.uk/g-cloud-14/documents/92838/768910486076012-service-definition-document-2024-05-07-1154.pdf
Record type: Regulator or framework record
Checked date: 2026-10-02
Source title: Colt SIP Trunking (G-Cloud)
Published date: 2024-05-07
Reliability tier: 2
Source ownership: Independent public record
Limitation and notes: Wording came from an outside research pass and is not verified verbatim. Confirm on the page, then set Decision. G-Cloud SDD Live page check 2026-10-06: supports a weaker or differently scoped claim. G-Cloud 14 SIP Trunking document; latency 150ms, jitter 20ms figures are customer IP guidelines and credit amounts are not stated. Decision 2026-10-06: Accepted (live page read; supports a weaker or differently scoped claim, so the limitation above applies; accepted by Harry 2026-10-06).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Service and Performance: Service credits published
Exact supporting wording (25 words max, verbatim): Latency (Round trip) 150ms maximum, Jitter 20ms, Packet loss 1 in 10E3

MPLS-344 — Rejected: Colt IP Access

Slug: colt-technology-services
Decision: Rejected
Provider: Colt Technology Services
Source ID: MPLS-344
Confidence: Low
Source URL: https://www.colt.net/wp-content/uploads/2024/02/colt-ip-access.pdf?t=1708729332
Record type: SLA or service description
Checked date: 2026-10-02
Source title: Colt IP Access
Published date: 2024-02
Reliability tier: 1
Source ownership: Provider's own
Limitation and notes: Wording came from an outside research pass and is not verified verbatim. Confirm on the page, then set Decision. Colt PDF Live page check 2026-10-06: page returns 404. PDF returned 404, also with query string removed; not read. Decision 2026-10-06: Rejected (dead link).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Service and Performance: SLA document URL
Exact supporting wording (25 words max, verbatim): The main parameters are covered by service credits – if we don't meet them we will pay money back

MPLS-345 — Rejected: SD WAN

Slug: colt-technology-services
Decision: Rejected
Provider: Colt Technology Services
Source ID: MPLS-345
Confidence: Low
Source URL: https://docs.colt.net/datasheets/wan/sd-wan
Record type: SLA or service description
Checked date: 2026-10-02
Source title: SD WAN
Published date: Not shown
Reliability tier: 1
Source ownership: Provider's own
Limitation and notes: Wording came from an outside research pass and is not verified verbatim. Confirm on the page, then set Decision. Colt datasheet Live page check 2026-10-06: page could not be read by the fetch tool. WebFetch refused the docs.colt.net URL twice (provenance restriction); page could not be read. Decision 2026-10-06: Rejected (page not published or available to review (could not be read or checked on the live page); Harry's call 2026-10-06).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Hybrid WAN SD-WAN SASE: SD-WAN platforms offered (comma separated: Cisco Catalyst, Cisco Meraki, Fortinet, Versa, VeloCloud, Palo Alto Prisma, Juniper, HPE Aruba, other); Hybrid WAN SD-WAN SASE: Managed firewall
Exact supporting wording (25 words max, verbatim): Colt has supplier partnerships with Versa Networks, Cisco, Meraki, Aruba, Fortinet, Palo Alto, Juniper and VMware

MPLS-346 — Accepted: Colt Technology Services brings together SD WAN and SSE

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-346
Confidence: High
Source URL: https://www.colt.net/resources/insights/colt-technology-services-brings-together-sd-wan-and-sse-features-in-new-integrated-full-sase-solution
Record type: Press release
Checked date: 2026-10-02
Source title: Colt Technology Services brings together SD WAN and SSE
Published date: 2022-06-28
Reliability tier: 1
Source ownership: Provider's own
Limitation and notes: Wording came from an outside research pass and is not verified verbatim. Confirm on the page, then set Decision. Press release Live page check 2026-10-06: verified, exact wording captured. Colt SASE Gateway announcement dated June 2022; partner is Versa Networks. Decision 2026-10-06: Accepted (live page read, quotation captured).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Hybrid WAN SD-WAN SASE: SASE or SSE partners (comma separated: Zscaler, Netskope, Palo Alto Prisma, Cato, Cloudflare, Fortinet, other)
Exact supporting wording (25 words max, verbatim): the Colt Gateway solution is based on Versa SASE which includes Versa Secure Web Gateway

MPLS-347 — Accepted: COLT TECHNOLOGY SERVICES overview

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-347
Confidence: Low
Source URL: https://find-and-update.company-information.service.gov.uk/company/02452736
Record type: Company record
Checked date: 2026-10-02
Source title: COLT TECHNOLOGY SERVICES overview
Published date: Not shown
Reliability tier: 2
Source ownership: Independent public record
Limitation and notes: Wording came from an outside research pass and is not verified verbatim. Confirm on the page, then set Decision. Companies House Live page check 2026-10-06: supports a weaker or differently scoped claim. Companies House confirms active UK entity and London address; does not evidence UK-based support or GBP billing. Decision 2026-10-06: Accepted (live page read; supports a weaker or differently scoped claim, so the limitation above applies; accepted by Harry 2026-10-06).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Operations and Assurance: UK-based support; Commercial Model: Billing in GBP
Exact supporting wording (25 words max, verbatim): Company number 02452736, Colt House, 20 Great Eastern Street, London, EC2A 3EH

MPLS-600 — Accepted: Digital Marketplace G-Cloud supplier: COLT TECHNOLOGY SERVICES

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-600
Confidence: Medium
Source URL: https://www.applytosupply.digitalmarketplace.service.gov.uk/g-cloud-14/services/452502314103160
Record type: Regulator or framework record
Checked date: 2026-10-02
Source title: Digital Marketplace G-Cloud supplier: COLT TECHNOLOGY SERVICES
Published date: Not shown
Reliability tier: 2
Source ownership: Independent public record
Limitation and notes: Page-reader summary. Framework G-Cloud 15 (supplier); G-Cloud 14 (claimed service), supplier ID 92236 (G-Cloud 15 index); 92838 (shown on G-Cloud 14 service page). Service 452502314103160 exists but is a hosted UC/telephony service, NOT a network or SD-WAN service. Two different supplier IDs appeared across reader summaries (92236 vs 92838), so verify on the live page. Entity is 'COLT TECHNOLOGY SERVICES' (not '... Group Decision 2026-10-06: Accepted (tier 2 source, wording and supported columns recorded, reader-checked; verbatim check on the live page still due).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Operations and Assurance: G-Cloud listed
Exact supporting wording (25 words max, verbatim): Colt Cloud Communications - hosted unified communications platform

MPLS-601 — Rejected: MEF 3.0 Carrier Ethernet certification (press release, not the register)

Slug: colt-technology-services
Decision: Rejected
Provider: Colt Technology Services
Source ID: MPLS-601
Confidence: Medium
Source URL: https://www.mplify.net/news/15-leading-technology-and-service-providers-achieve-sase-certification-in-industrys-only-independent-certification-program/
Record type: Press release
Checked date: 2026-10-02
Source title: MEF 3.0 Carrier Ethernet certification (press release, not the register)
Published date: Not shown
Reliability tier: 3
Source ownership: Third-party corroboration
Limitation and notes: Certification date from a press page. The MEF register could not be read by the tools. CE and SD-WAN dates are from Colt's own press pages (colt.net), not the register; SASE from Mplify press release. Colt logo appears in Mplify CE registry carousel. Register entry text and service names not readable (dynamic). Decision 2026-10-06: Rejected (page not published or available to review (could not be read or checked on the live page); Harry's call 2026-10-06).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Service and Performance: MEF 3.0 Carrier Ethernet certified
Exact supporting wording (25 words max, verbatim): 2022-05-26: 'achieved full MEF 3.0 Certification for its Global Carrier Ethernet Services' (Ethernet Line, Hub and Spoke

MPLS-602 — Accepted: AWS Direct Connect partner list: Colt

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-602
Confidence: Medium
Source URL: https://aws.amazon.com/directconnect/partners/
Record type: Other
Checked date: 2026-10-02
Source title: AWS Direct Connect partner list: Colt
Published date: Not shown
Reliability tier: 2
Source ownership: Independent public record
Limitation and notes: Vendor partner list, group or global brand (not the UK registered entity). Locations: EU Ireland (Dublin, London, Slough); EU London (London, Slough, Manchester). Global brand Colt, not UK entity. Shell cannot reach aws.amazon.com (proxy rejected); WebFetch reader summaries of the partners page, which differed between two fetches (KCOM/hSo/Masergy 'not listed' in one, present in the other), so treat Decision 2026-10-06: Needs review (scope or date limitation in the note (entity, geography, product, age or access)). Live page check 2026-10-06: supports a weaker or differently scoped claim. Colt appears under Europe (Ireland); the fetch result does not show London, Slough or Manchester or the separate EU London region. Decision 2026-10-06: Accepted (live page read; supports a weaker or differently scoped claim, so the limitation above applies; accepted by Harry 2026-10-06).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Service and Performance: Cloud on-ramp: AWS Direct Connect
Exact supporting wording (25 words max, verbatim): Colt listed: EU Ireland (Dublin, London, Slough); EU London (London, Slough, Manchester)

MPLS-603 — Accepted: Microsoft ExpressRoute connectivity providers: Colt

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-603
Confidence: High
Source URL: https://raw.githubusercontent.com/MicrosoftDocs/azure-docs/main/articles/expressroute/expressroute-locations.md
Record type: Other
Checked date: 2026-10-02
Source title: Microsoft ExpressRoute connectivity providers: Colt
Published date: Not shown
Reliability tier: 2
Source ownership: Independent public record
Limitation and notes: Vendor partner list, group or global brand (not the UK registered entity). Locations: London, London2, Newport (also many EU/Asia/US). Group brand Colt, not Colt Technology Services 02452736. Read full GitHub markdown (ms.date 09/16/2026) of both the by-provider and by-location pages; no Manchester or Cardiff ExpressRoute location exists in the files. By-provider page has Decision 2026-10-06: Needs review (scope or date limitation in the note (entity, geography, product, age or access)). Live page check 2026-10-06: verified, exact wording captured. Microsoft Learn ExpressRoute table lists Colt with UK sites London, London2 and Newport among 29 global locations. Decision 2026-10-06: Accepted (live page read, quotation captured).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Service and Performance: Cloud on-ramp: Azure ExpressRoute
Exact supporting wording (25 words max, verbatim): London, London2, Madrid Metro, Marseille, Milan, Munich, Newport

MPLS-604 — Accepted: Google Cloud Interconnect service providers: Colt

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-604
Confidence: Medium
Source URL: https://docs.cloud.google.com/network-connectivity/docs/interconnect/concepts/service-providers
Record type: Other
Checked date: 2026-10-02
Source title: Google Cloud Interconnect service providers: Colt
Published date: Not shown
Reliability tier: 2
Source ownership: Independent public record
Limitation and notes: Vendor partner list, group or global brand (not the UK registered entity). Locations: Layer 2 (London). Group/global brand, not the UK registered entity. WebFetch reader summary only (page is JS-rendered, not raw text); locations are from the London section of the summary, layer model per summary. Service model labels may be unreliable. Decision 2026-10-06: Needs review (scope or date limitation in the note (entity, geography, product, age or access)). Live page check 2026-10-06: only a paraphrase was returned. Fetch result paraphrased: Colt listed as Layer 2 with London among the locations; page truncated at 100000 characters. Decision 2026-10-06: Accepted (live page read; supports a weaker or differently scoped claim, so the limitation above applies; accepted by Harry 2026-10-06).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Service and Performance: Cloud on-ramp: Google Cloud Interconnect
Exact supporting wording (25 words max, verbatim): Colt - Layer 2 (London)

MPLS-675 — Accepted: Module 2 check: COLT-01

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-675
Confidence: High
Source URL: https://www.colt.net/resources/colt-technology-services-expands-its-national-uk-network-reach/
Record type: Service page
Checked date: 2026-10-02
Source title: Module 2 check: COLT-01
Published date: 2021-12-07
Reliability tier: 1
Source ownership: Provider's own
Limitation and notes: Page-reader check 2026-10-02: confirmed. Metro-city expansion with CityFibre (Colt IQ Network); not specifically MPLS. Release states 29,000 on-net buildings and 900+ data centres across Europe, Asia and North America. Page adds 2026 note: 900+ data centres via 32,000+ km metro fi Decision 2026-10-06: Needs review (scope or date limitation in the note (entity, geography, product, age or access)). Live page check 2026-10-06: verified, exact wording captured. Dec 2021 UK expansion announcement; these are newly added cities only, not the full UK PoP list. Decision 2026-10-06: Accepted (live page read, quotation captured).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Network and Coverage: UK PoP cities (comma separated)
Exact supporting wording (25 words max, verbatim): Leeds, Bristol, Slough, Bracknell, Reading, Milton Keynes, Edinburgh and Glasgow

MPLS-676 — Accepted: Module 2 check: COLT-03

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-676
Confidence: Medium
Source URL: https://www.colt.net/resources/colt-takes-network-innovation-to-new-heights-with-a-400g-capable-routed-optical-networking-solution-on-its-iq-network/
Record type: Service page
Checked date: 2026-10-02
Source title: Module 2 check: COLT-03
Published date: 2021-05-27
Reliability tier: 1
Source ownership: Provider's own
Limitation and notes: Page-reader check 2026-10-02: confirmed. Colt's own release; also in Converge Digest 2021-05-28. Global IQ Network (Cisco), not UK only. Decision 2026-10-06: Needs review (scope or date limitation in the note (entity, geography, product, age or access)). Live page check 2026-10-06: supports a weaker or differently scoped claim. May 2021 global IQ network release; does not explicitly state ownership of the core. Decision 2026-10-06: Accepted (live page read; supports a weaker or differently scoped claim, so the limitation above applies; accepted by Harry 2026-10-06).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Network and Coverage: Owns core network
Exact supporting wording (25 words max, verbatim): Segment Routing MPLS software throughout the network

MPLS-748 — Accepted: ip vpn

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-748
Confidence: Low
Source URL: https://www.colt.net/product/ip-vpn/
Record type: Service page
Checked date: 2026-10-02
Source title: ip vpn
Published date: Not shown
Reliability tier: 1
Source ownership: Provider's own
Limitation and notes: Page-reader check 2026-10-02, not verbatim. CONFLICT: Colt page says five classes, G-Cloud listing (https://www.applytosupply.digitalmarketplace.service.gov.uk/g-cloud/services/454402726767302) says six. Neither names CoS marking being honoured end to end across access and Live page check 2026-10-06: supports a weaker or differently scoped claim. Page confirms five CoS classes for traffic differentiation; end-to-end CoS marking is not stated. Decision 2026-10-06: Accepted (live page read; supports a weaker or differently scoped claim, so the limitation above applies; accepted by Harry 2026-10-06).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Service and Performance: CoS marking honoured end to end; Sector Evidence: Supporting source IDs
Exact supporting wording (25 words max, verbatim): Five Classes of Service (CoS) model enables enterprises to differentiate traffic types

MPLS-811 — Accepted: London Data Centres | Colt DCS

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-811
Confidence: Low
Source URL: https://www.coltdatacentres.net/en-GB/london-data-centres
Record type: Service page
Checked date: 2026-10-02
Source title: London Data Centres | Colt DCS
Published date: Not shown
Reliability tier: 1
Source ownership: Provider's own
Limitation and notes: Page-reader check 2026-10-02, not verbatim. Page is from the Colt DCS data centre site, which may be a separate entity from Colt Technology Services; entity link not checked on Companies House. Page does not say 'on-net' in plain words and lists London sites only. Other UK Live page check 2026-10-06: supports a weaker or differently scoped claim. Colt DCS London page about connectivity reach; does not name on-net UK data centres explicitly. Decision 2026-10-06: Accepted (live page read; supports a weaker or differently scoped claim, so the limitation above applies; accepted by Harry 2026-10-06).
Sector (if case study): None
Named product or service: None
Named customer (case studies only): None
Sheets and columns this source supports: Network and Coverage: On-net UK data centres (comma separated)
Exact supporting wording (25 words max, verbatim): extended reach into cloud, IX, carrier and other service through Colt or its carrier partners

MPLS-842 — Accepted: Colt IP VPN

Slug: colt-technology-services
Decision: Accepted
Provider: Colt Technology Services
Source ID: MPLS-842
Confidence: Medium
Source URL: https://www.colt.net/products/networking/ip-vpn
Record type: Service page
Checked date: 2026-10-06
Source title: Colt IP VPN
Published date: Not shown
Reliability tier: 1
Source ownership: Provider's own
Limitation and notes: Page-reader check 2026-10-06, not verbatim. Page speaks of the Colt network and Colt fibre, 32,000+ buildings and 1,100+ data centres; UK is not broken out separately. Decision 2026-10-06: Accepted (tier 1 source, wording and supported columns recorded, reader-checked; verbatim check on the live page still due).
Sector (if case study): None
Named product or service: IP VPN
Named customer (case studies only): None
Sheets and columns this source supports: Network and Coverage: Owns core network; Network and Coverage: Coverage: UK and Ireland
Exact supporting wording (25 words max, verbatim): With tens of thousands of buildings and data centres connected to the Colt network