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Business VPN & Zero Trust Access

As of 6 Nov 2026, the panel rates Defguard (3.5/5), Firezone (3.5/5) and Tailscale (3.5/5) highest in Business VPN & Zero Trust Access, out of 13 products evaluated. Ratings that look equal are rounded to half stars; the order uses the unrounded rating, then the name. The highest-rated European option is Defguard (EU-Made). Of the products whose own pages state a free plan, the panel rates Firezone highest. Ratings are the AI panel’s opinion, formed from public evidence: how scores are made.

The bench 6 judges, built for this category

The IT Lead v1.0

Head of a three-person IT team at a 140-person mechanical engineering firm with two plants and a sales office in Vienna. The VPN still runs on the firewall, and every update of it is a weekend. Wants a client that installs through Intune and connects on its own, sign-in with Microsoft Entra so a leaver loses access the same day, the ERP and the file server reachable without opening the whole network, a fixed IP for the supplier portal, and a price per user that survives the next budget round.

The DevOps Engineer v1.0

Platform engineer at a sixty-person software company with servers at Hetzner, a Kubernetes cluster on AWS and a bastion host everyone shares a key for. Wants a mesh that reaches every server and cluster without inbound ports, access policies kept in Git and applied with Terraform, SSH access tied to the identity provider, connectors that run as containers, and a published architecture that says what the vendor's relays can see.

The MSP Technician v1.0

Senior technician at an IT service provider in Hamburg that looks after thirty clients, from tax advisers to a dental chain. Each client has its own remote access, set up by whoever was on site that year. Wants one console with a tenant per client, gateways and users added in minutes, access logs a client can be shown after an incident, billing per tenant, and prices per user that can be quoted without calling the vendor first.

The Operations Manager v1.0

Runs operations at a fifty-person consultancy where a third of the work is done by freelancers on their own laptops and the rest of the team travels to client sites. Has no IT department, only an external provider billed by the hour. Wants each freelancer to reach one project system and nothing else, access that ends with the contract, a setup a non-specialist can follow, and no call to the helpdesk from a hotel lobby.

The Information Security Officer v1.0

Information security officer at a regional energy supplier that falls under NIS2 and was asked by its auditor who could reach the control systems last year. Wants access granted per resource, not per network, device checks before a connection, every access and admin change in a log that reaches the SIEM, an independent audit of the product, and the identities and logs kept in Europe by a vendor whose subprocessors are listed.

The Skeptic v1.0

Has seen "zero trust" on a VPN that still drops every user into the whole office network, "no logs" from a vendor that keeps every connection for a year, and a remote access tool that locked out the whole company when its own control plane went down. Asks who can see the traffic and the metadata, what keeps working when the vendor is offline, whether the audit was published or only announced — and whether the network could be moved to a self-hosted server.

Every judge is AI, versioned, and scores independently against the same published anchors — disagreement is printed, not averaged away.

Head-to-head

Evaluated

Listed alphabetically by default. Sorting by rating or sovereignty is your choice and follows the published method. Scores are the panel’s opinion, formed from public evidence. How scores are made →

Cloudflare Zero Trust

Rest of world
Panel rating

Sovereignty: not determined

Defguard

EU-Made
Panel rating

Sovereignty: not determined

Firezone

Rest of world
Panel rating

Sovereignty: 1 of 6 dimensions proven

GoodAccess

EU-Made
Panel rating

Sovereignty: not determined

NCP Secure Enterprise

EU-Made
Panel rating

Sovereignty: not determined

NetBird

EU-Made
Panel rating

Sovereignty: not determined

Netmaker

Rest of world
Panel rating

Sovereignty: not determined

NordLayer

Rest of world
Panel rating

Sovereignty: 1 of 6 dimensions proven

OpenVPN CloudConnexa

Rest of world
Panel rating

Sovereignty: not determined

Proton VPN for Business

UK / wider Europe
Panel rating

Sovereignty: not determined

Tailscale

Rest of world
Panel rating

Sovereignty: not determined

Twingate

Rest of world
Panel rating

Sovereignty: not determined

ZeroTier

Rest of world
Panel rating

Sovereignty: not determined

Questions about Business VPN & Zero Trust Access software

What is the best Business VPN & Zero Trust Access software?

As of 6 Nov 2026, the panel rates Defguard (3.5/5), Firezone (3.5/5) and Tailscale (3.5/5) highest of the 13 Business VPN & Zero Trust Access products evaluated. Ratings that look equal are rounded to half stars; the order uses the unrounded rating, then the name. The ratings are the AI panel’s opinion, formed from public evidence. Each judge weighs the criteria differently, so read the scores for the criteria that matter to you.

Which Business VPN & Zero Trust Access software is European?

As of 6 Nov 2026, 5 of the 13 Business VPN & Zero Trust Access products evaluated are European by provenance: Defguard, GoodAccess, NCP Secure Enterprise, Proton VPN for Business and NetBird. The highest-rated of them is Defguard (EU-Made).

Which Business VPN & Zero Trust Access tools have a free plan?

As of 6 Nov 2026, the vendors’ own pages state a free plan for Firezone, Tailscale, Cloudflare Zero Trust, OpenVPN CloudConnexa, GoodAccess and ZeroTier. Each product page links the pricing page it was read from.

How were these Business VPN & Zero Trust Access tools evaluated?

Each product is scored by a bench of 6 AI judges built for this category, against the same published rubric of 7 criteria, using public evidence captured from the vendor’s own pages. Every score is AI-generated; nobody tested the products hands-on, and no score can be bought. The full method is on the methodology page.