Top Managed IT Companies in London

Attache Group

London IT, cloud, and security from one accountable team.

✓ Verified Provider ⭐ 5.0/5 Stars Est. 1995
London, ON
10–49 employees
Founded 1995
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Attache Group is a managed IT services provider based in London, ON, operating since 1995. Across 31 verified Google reviews it averages 5.0 out of 5, a public track record you can weigh during diligence. It focuses on Managed IT, Cybersecurity, Cloud, Help Desk. Compare it against other London managed IT providers, then request a quote.

Vetted by the Best IT MSP editorial team · Last updated June 2026

About Attache Group

Based in London, Attache Group handles managed IT, cybersecurity, and cloud services for London businesses under one responsible IT team.

Attache Group carries a 5/5 Google rating from 31 reviews, a checkable record buyers can weigh during due diligence. Attache Group has been open since 1995.

Across managed IT, cybersecurity, cloud services, help desk support, and network management, Attache Group most often works with local businesses that need reliable, security-minded IT.

Services Offered

🖥️
Managed IT
🔒
Cybersecurity
☁️
Cloud
🎧
Help Desk
🌐
Network

Industries Served

🏢 Small Business
🏢 Medium Business
🏢 Home Building

Why Choose Attache Group

31 Google Reviews, 5-Star Average

With 31 reviews averaging 5, Attache Group shows a checkable reputation that stands up to scrutiny.

📍

On-Site Coverage in London

Sitting in London, Attache Group stays near enough to London clients to arrive quickly when a remote fix will not do.

🔒

Security-First Managed IT

Attache Group delivers managed IT with cybersecurity baked in, combining monitoring and help desk with active protection over break-fix reaction.

Location

London, ON

Certifications & Compliance

Microsoft Partner
since 1995
Sophos Platinum Partner
Microsoft Solutions Partner
Partners: Sophos (Platinum Partner), Kaseya, Microsoft (Solutions Partner)

Frequently Asked Questions

What do Attache Group reviews say?

Across 31 verified Google reviews, Attache Group averages 5.0 out of 5. Weigh that public track record alongside a direct quote.

Which IT services does Attache Group provide?

Attache Group delivers Managed IT, Cybersecurity, Cloud, Help Desk, Network to organizations across London, ON.

What area does Attache Group serve?

Attache Group is based in London, ON and supports businesses across London and the greater metro area.

When did Attache Group start?

Attache Group has been operating since 1995.

Is Attache Group certified?

Attache Group carries Microsoft Partner, since 1995, Sophos Platinum Partner, Microsoft Solutions Partner, Partners: Sophos (Platinum Partner), Kaseya, Microsoft (Solutions Partner).