Top Managed IT Companies in Phoenix

GMI

Secure by design. Adaptive by nature.

✓ Verified Provider ⭐ 4.8/5 Stars Est. 2020
Phoenix, AZ
50–249 employees
Founded 2020
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GMI is a managed IT services provider based in Phoenix, AZ, operating since 2020. Across 6 verified Google reviews it averages 4.8 out of 5, a public track record you can weigh during diligence. It focuses on Managed IT Services, Cybersecurity, IT Help Desk & End-User Support, Network Management. Compare it against other Phoenix managed IT providers, then request a quote.

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

About GMI

GMI is a Secure by Design Total IT Managed Solutions Provider with over 40 years of experience, led by Tim Roemer, a former CIA intelligence officer and Arizona Director of Homeland Security, delivering secure, scalable IT services.

Services Offered

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Managed IT Services
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Cybersecurity
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IT Help Desk & End-User Support
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Network Management
Compliance & Risk

Why Choose GMI

4.8/5 From 6 Google Reviews

With 6 reviews averaging 4.8, GMI has a checkable public track record rather than marketing claims alone.

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Based in Phoenix

GMI is headquartered in Phoenix, AZ, so Phoenix businesses get a local team for on-site work instead of a distant call center.

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Self-described only Secure Managed Services Provider

Self-described only Secure Managed Services Provider (SMSP)

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Led by Tim Roemer, former CIA intelligence officer and

Led by Tim Roemer, former CIA intelligence officer and Arizona Director of Homeland Security

Location

Phoenix, AZ

Certifications & Compliance

CrowdStrike
Apple
Drata
Movius
T-Mobile
Cisco

Frequently Asked Questions

What do GMI reviews say?

Across 6 verified Google reviews, GMI averages 4.8 out of 5. Weigh that public track record alongside a direct quote.

Which IT services does GMI provide?

GMI delivers Managed IT Services, Cybersecurity, IT Help Desk & End-User Support, Network Management, Compliance & Risk to organizations across Phoenix, AZ.

What area does GMI serve?

GMI is based in Phoenix, AZ and supports businesses across Phoenix and the greater metro area.

When did GMI start?

GMI has been operating since 2020.

Is GMI certified?

GMI carries CrowdStrike, Apple, Drata, Movius, T-Mobile, Cisco.