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SASE Providers and Vendors Comparison (2026)

Authoritative evaluation of the leading SASE platforms for UK and global enterprise buyers, scored against security architecture, identity integration, edge footprint and managed service model. Compare BT Managed SASE alongside Palo Alto Prisma, Zscaler, Netskope, Cato Networks, Cloudflare and the wider market.

Independent research from the Netify team. Updated April 2026.

How Netify scores SASE vendors

Each vendor is evaluated against four pillars: security architecture (ZTNA, SWG, CASB, FWaaS, DLP), edge and PoP coverage, identity integration and managed service model. Findings feed the Netify RFP Builder so buyers can request structured responses from shortlisted vendors.

Security architecture

Native ZTNA, SWG, CASB, FWaaS and DLP coverage assessed against vendor reference architecture, single-pass inspection and policy unification across web, private apps and cloud.

Edge and PoP coverage

Global PoP density, UK and EMEA presence, latency to enterprise hubs and dedicated SASE fabric vs shared cloud-security backbone.

Identity and managed model

Identity provider integration (Entra ID, Okta, Ping), risk-based access, branch deployment patterns, fully-managed vs co-managed vs DIY operating models.

Leading SASE platforms for UK enterprise

Curated shortlist for procurement teams comparing SASE providers in 2026. Each card summarises positioning, deployment model and where the vendor fits.

Palo Alto Prisma SASE

Single-vendor SASE combining Prisma Access (cloud-delivered security), Prisma SD-WAN and AIOps. Deep security depth from the Palo Alto firewall heritage; strong fit for security-led procurement.

Zscaler Zero Trust Exchange

Cloud-native ZTNA, SWG, CASB and DLP from a global PoP fabric. Strong identity-led access model. Pairs with third-party SD-WAN for full SASE.

Netskope One

Single-pass cloud security platform with deep CASB and DLP capability. Strong fit for data-centric organisations and cloud-heavy estates.

Cato Networks

Single-vendor SASE built on a global private backbone. Converged SD-WAN, ZTNA, SWG and FWaaS in one platform. Strong fit for mid-market and multi-region enterprises.

Cloudflare One

SASE delivered from the Cloudflare global edge. Strong ZTNA and SWG, particularly for organisations already using Cloudflare for performance and DDoS.

Fortinet FortiSASE

SASE delivered from FortiGate cloud and Fortinet PoPs. Tight integration with FortiGate SD-WAN for organisations with an existing Fortinet estate.

Cisco+ Secure Connect

Cisco SASE bringing Umbrella, Duo and Meraki SD-WAN under a single managed service. Strong fit for Meraki-led estates wanting a converged Cisco operating model.

Versa SASE

Unified SASE platform combining Versa SD-WAN, ZTNA and SSE. Strong fit for organisations needing flexibility between on-premises and cloud-delivered policy.

Check Point Harmony SASE

Cloud-delivered SASE with strong ZTNA, SWG and DLP. Fit for security teams already standardised on Check Point Quantum infrastructure.

BT Managed SASE

BT-managed SASE service combining SD-WAN, ZTNA, SWG and CASB into a single managed contract. UK channel route through Netify as a BT Authorised Partner; resell or buy direct.

Common SASE shortlist patterns

Procurement shortlists tend to cluster around four buying patterns. Each is a sensible starting point for an RFP based on the existing security and network estate.

Security-led estates

Network-led estates

Cloud-first estates

UK channel and managed estates

Build a SASE RFP or compare further

SASE RFP Builder

Pre-built sections for ZTNA, SWG, CASB, FWaaS, identity and managed service. Issue to shortlisted vendors and compare structured responses side by side.

SD-WAN comparison

Pair SASE with SD-WAN procurement using the Netify SD-WAN vendor comparison.

Marketplace

Browse the wider Netify Marketplace for managed service providers, connectivity and cloud security routes.

SASE procurement FAQ

What is SASE?

SASE is the convergence of network connectivity (typically SD-WAN) with cloud-delivered network security (ZTNA, SWG, CASB, FWaaS, DLP) into a single, identity-driven service. Buyers procure SASE either as a single-vendor platform or as a best-of-breed combination of SD-WAN and SSE.

Which SASE vendors should appear on a UK enterprise shortlist?

Common UK enterprise shortlists in 2026 include Palo Alto Prisma, Zscaler, Netskope, Cato Networks, Cloudflare One, Fortinet FortiSASE, BT Managed SASE and Cisco+ Secure Connect. The right shortlist depends on the existing security stack, SD-WAN status, identity provider and managed service preference.

Single-vendor SASE or best-of-breed?

Single-vendor SASE (Cato, Palo Alto Prisma, Fortinet) offers tighter operational unification and simpler licensing. Best-of-breed pairs a leading SSE provider (Zscaler, Netskope) with a leading SD-WAN vendor for maximum capability per layer at the cost of integration effort.

Where does BT Managed SASE fit?

BT Managed SASE is a UK channel route delivering SD-WAN, ZTNA, SWG and CASB as a managed service. Often shortlisted by buyers who want a UK contract holder, named UK support and a single managed wrapper across connectivity and security. Available direct from BT or through Netify as a BT Authorised Partner.

How does Netify rank SASE vendors?

Netify scores vendors against four pillars: security architecture, edge and PoP coverage, identity and access integration, and managed service model. Scoring data feeds the Netify RFP Builder so procurement teams can issue structured RFPs and compare vendor responses head to head.

Build a SASE RFP. Compare vendors head-to-head.

Pre-built RFP sections for ZTNA, SWG, CASB, FWaaS and managed service. Issue to your shortlist and score responses against the Netify methodology.