Ranked shortlist · Updated June 2026
Best SD-WAN and SASE providers for large global enterprise (2026)
Ranked shortlist of SD-WAN and SASE providers positioned for large global enterprise organisations, scored against the Netify 40-feature evaluation matrix. Organisation fit grades reflect public positioning, reference customers and commercial models, and are indicative desk research; confirm via RFP.
Netify's June 2026 evaluation ranks: 1. Cato Networks (98.2); 2. AT&T Business (94.6); 3. BT Business / BT Global (94.6); 4. NTT DATA / NTT Ltd. (94.6); 5. Orange Business (94.6); 6. Telefónica Tech (94.6); 7. Verizon Business (94.6); 8. Colt Technology Services (93.4); 9. Comcast Business / Masergy (92.8); 10. Aryaka (92.2). Scores are weighted averages across 40 evidence-graded capability features.
Written by the Netify research team. Reviewed by Robert Sturt, Netify Group Limited. Updated 10 June 2026. Methodology: weighted scoring across 40 graded capability features; see the FAQ below.
No. 1 · Score 98.2
Cato Networks
Cloud-native SASE / SD-WAN provider · Typical deployment: hours
Single converged platform with no policy or log fragmentation across SD-WAN and security functions.
Watch out: Less suited to best-of-breed buyers wanting Zscaler or Netskope as the SSE layer.
Contact Cato Networks via Netify ↗No. 2 · Score 94.6
AT&T Business
Global carrier managed SD-WAN / SASE provider · Typical deployment: months
Major US carrier-led managed SD-WAN portfolio with multi-vendor platform options (including Fortinet for AT&T SASE).
Watch out: Underlying platform varies by service tier; buyers should confirm which platform supports the proposed scope.
Contact AT&T Business via Netify ↗No. 3 · Score 94.6
BT Business / BT Global
Global/UK managed SD-WAN / SASE provider · Typical deployment: weeks
UK market leader for managed SD-WAN with deep access circuit ownership and field engineering capability.
Watch out: Platform choice and packaging vary; buyers should confirm which vendor platform is being proposed and why.
Contact BT Business / BT Global via Netify ↗No. 4 · Score 94.6
NTT DATA / NTT Ltd.
Global managed network provider · Typical deployment: months
24x7 managed SD-WAN delivery via global operations centres with strong portal visibility.
Watch out: Platform fit depends on which vendor is being proposed (Palo Alto, Zscaler, others); evaluate platform independently.
Contact NTT DATA / NTT Ltd. via Netify ↗No. 5 · Score 94.6
Orange Business
Global managed SD-WAN / SASE provider · Typical deployment: months
Global managed network leadership with strong service assurance, NOC depth and field operations.
Watch out: Platform choice depends on which Orange-supported vendor is selected; underlying platform fit and roadmap should be evaluated independently.
Contact Orange Business via Netify ↗No. 6 · Score 94.6
Telefónica Tech
Global managed SD-WAN / SASE provider · Typical deployment: months
flexWAN and managed SD-WAN delivery with Cisco-based converged SD-WAN, security and SASE service.
Watch out: Platform is largely Cisco-led; buyers wanting platform optionality should evaluate alternatives.
Contact Telefónica Tech via Netify ↗No. 7 · Score 94.6
Verizon Business
Global carrier managed SD-WAN / SASE provider · Typical deployment: months
Global carrier-led managed SASE and SD-WAN with strong North American presence and international delivery.
Watch out: Platform is largely Versa-based; buyers wanting platform optionality should evaluate alternatives.
Contact Verizon Business via Netify ↗No. 8 · Score 93.4
Colt Technology Services
Enterprise managed SD-WAN / connectivity provider · Typical deployment: months
SD-WAN and SASE with strong European data sovereignty positioning.
Watch out: Global delivery depth outside Europe is less prominent than the largest global carriers.
Contact Colt Technology Services via Netify ↗No. 9 · Score 92.8
Comcast Business / Masergy
Managed SD-WAN / SASE provider · Typical deployment: weeks
SASE combining SD-WAN and security available fully managed or co-managed, drawing on Masergy AIOps heritage.
Evidence caveats: Large global enterprise: Partial
Watch out: International delivery depth depends on partnerships outside North America.
Contact Comcast Business / Masergy via Netify ↗No. 10 · Score 92.2
Aryaka
Managed SD-WAN / SASE provider · Typical deployment: days
Unified SASE delivered as a managed service from end to end, including the private global core network and WAN optimisation.
Watch out: Smaller PoP footprint and partner ecosystem than the hyperscale SASE vendors; coverage must match your geographic profile.
Contact Aryaka via Netify ↗
Scores are weighted across 40 capabilities with points accrued based on: yes 1.0, via partner 0.75, via managed service 0.65, partial 0.5, not confirmed 0.15, not primary 0. Extended dimensions are indicative desk research; confirm via RFP.
Cite this research
Netify, "Best SD-WAN and SASE providers for large global enterprise (2026)", Netify SASE and SD-WAN comparison, updated 10 June 2026: https://netify.co.uk/sase/best/sd-wan-sase-providers-for-large-global-enterprises
Machine-readable version: https://netify.co.uk/sase/best/sd-wan-sase-providers-for-large-global-enterprises/data.json · Programmatic access: POST https://netify.co.uk/sase/api/mcp (tool: build_sase_shortlist)
Questions
About this ranking
Which SD-WAN and SASE providers fit large global enterprise organisations best?
The ranking above lists providers with confirmed positioning for large global enterprise buyers, ordered by weighted capability score across the Netify 40-feature matrix.
How is this ranking calculated?
Providers without evidence of fit for this organisation size are excluded; the rest are scored on a weighted average across 40 graded capability features. The same engine powers the interactive shortlist builder and the MCP tool.
Can I refine this list?
Yes. Open the interactive shortlist builder to layer sector, regions, security features, operating model and deployment speed on top of this view. Every configuration is a shareable URL.
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