Firewall comparison

Sophos vs WatchGuard: Which SMB Firewall Should You Deploy?

By the NexusSec engineering team · 8 min read · Updated July 2026
Short answer: choose Sophos XGS if you also run (or plan to run) Sophos endpoint protection — Synchronized Security lets the firewall automatically isolate a compromised device, which is real automation for a small team. Choose WatchGuard Firebox if you want one simple all-inclusive security bundle and need multi-factor authentication built in rather than bought separately. Both are aimed squarely at businesses without a security team.

Sophos and WatchGuard compete for the same buyer: a small or mid-sized business that needs serious protection but has no dedicated security staff. NexusSec is a Sophos Silver Partner and a WatchGuard partner, so we deploy both and have no reason to push one over the other.

At a glance

FactorSophos Firewall (XGS)WatchGuard Firebox
Signature featureSynchronized Security with Sophos endpointsAuthPoint MFA included in the security suite
Licensing styleXstream Protection bundlesTotal Security — one comprehensive bundle
ManagementSophos Central cloud consoleWatchGuard Cloud
ReportingStrong, integrated with endpoint dataThreatSync and Dimension reporting are a long-standing strength
TLS inspectionXstream architecture designed to accelerate itSupported; size the appliance carefully
Best fitBusinesses standardising on Sophos endpoint + firewallBusinesses wanting one bundle including MFA

Where Sophos wins

Synchronized Security is the differentiator

When Sophos endpoints and a Sophos firewall run together they exchange health telemetry. If an endpoint shows signs of compromise, the firewall can automatically isolate it from the network until it is remediated. For an organisation with no security operations team, that is automated containment you would otherwise need staff to perform manually — and it is the single strongest reason to choose Sophos.

One console for firewall and endpoint

Sophos Central manages firewall, endpoint, email and more from one place. Reducing the number of consoles a small IT team must monitor genuinely improves the odds that alerts get seen.

Where WatchGuard wins

Built-in multi-factor authentication

AuthPoint MFA is part of WatchGuard's offering, so a small business can enforce MFA on VPN and applications without procuring a separate identity product. Given that credential compromise is one of the most common intrusion routes, bundled MFA is a meaningful practical advantage.

Simple, comprehensive bundling

Total Security packages the security services — IPS, gateway anti-malware, DNS filtering, reputation services and more — into a single subscription. Fewer decisions at purchase time, and fewer surprises about what is or is not covered.

Reporting clarity

WatchGuard's reporting has long been regarded as accessible, which matters when someone non-specialist must review network activity or produce evidence for management.

Choose Sophos if

You want endpoint-firewall automation

You use or will adopt Sophos endpoint protection and want automatic isolation of compromised devices from one console.

Choose WatchGuard if

You want MFA in the bundle

You need multi-factor authentication without a separate product, and prefer one comprehensive security subscription with clear reporting.

What both do well

Sizing is where SMB firewall projects most often go wrong. Both vendors publish throughput figures with and without inspection enabled — always size against the inspected figure with TLS decryption on, not the headline number, or the firewall becomes the bottleneck within a year.

The bottom line

Both are strong SMB platforms and we deploy both regularly. The clean decision rule: already invested in Sophos endpoints? Choose Sophos. Need MFA bundled and prefer one all-inclusive licence? Choose WatchGuard. Beyond that, correct sizing and proper configuration will matter far more than which of the two you pick.

Frequently asked questions

Is Sophos or WatchGuard better for small business?

Both are designed for small and mid-sized businesses without dedicated security staff. Sophos is better if you use Sophos endpoint protection, because Synchronized Security allows the firewall to automatically isolate a compromised device. WatchGuard is better if you want one all-inclusive Total Security bundle and need multi-factor authentication included rather than purchased separately.

What is Sophos Synchronized Security?

It is the mechanism by which Sophos firewalls and Sophos endpoints share health information. If an endpoint shows indicators of compromise, the firewall can automatically restrict or isolate that device from the rest of the network until it is remediated, then restore access. It only works when both the firewall and the endpoints are Sophos.

Does WatchGuard include MFA?

Yes. WatchGuard's AuthPoint multi-factor authentication is part of its product family and is commonly included in Total Security bundles, allowing small businesses to enforce MFA on VPN and applications without buying a separate identity platform. Confirm current bundle contents at the time of purchase.

How do I size a Sophos or WatchGuard firewall correctly?

Size against throughput figures measured with security inspection and TLS decryption enabled, not the headline stateful-firewall number. Account for your internet bandwidth, concurrent users, VPN tunnels and expected growth over the appliance's life. Undersizing is the most common cause of performance complaints after deployment.

Can NexusSec supply both Sophos and WatchGuard?

Yes. NexusSec is a Sophos Silver Partner and a WatchGuard partner, and deploys both platforms across Navi Mumbai, Mumbai and India. Because we work with both, we scope against your actual requirements rather than a single vendor relationship.

Not sure which fits your business?

NexusSec is a partner of both Sophos and WatchGuard — we will size and scope both honestly against your environment.

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