Top Managed IT Companies in St. Louis

Prefix Technologies

We Take The Vulnerability Out of Managing Your Own IT Infrastructure

✓ Verified Provider ⭐ 4.0/5 Stars Est. 1990
St. Louis, MO
10–49 employees
Founded 1990
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Prefix Technologies is a managed IT services provider based in St. Louis, MO, operating since 1990. Across 1 verified Google reviews it averages 4.0 out of 5, a public track record you can weigh during diligence. It focuses on Managed IT Services, Network Management, IT Consulting. Compare it against other St. Louis managed IT providers, then request a quote.

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

About Prefix Technologies

Prefix Technologies has protected client data for 30 years, acting as clients' dedicated IT department with a rapid 20-minute average response time and a 98% client retention rate.

Services Offered

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Managed IT Services
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Network Management
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IT Consulting

Why Choose Prefix Technologies

4.0/5 From 1 Google Reviews

With 1 reviews averaging 4.0, Prefix Technologies has a checkable public track record rather than marketing claims alone.

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Based in St. Louis

Prefix Technologies is headquartered in St. Louis, MO, so St. Louis businesses get a local team for on-site work instead of a distant call center.

30 years keeping client data secure

30 years keeping client data secure

98% client retention with 17-year average tenure

98% client retention with 17-year average tenure

Location

St. Louis, MO

Certifications & Compliance

30 years keeping client data secure
98% client retention with 17-year average tenure
20 minute average response time
30-day money-back guarantee

Frequently Asked Questions

What do Prefix Technologies reviews say?

Across 1 verified Google reviews, Prefix Technologies averages 4.0 out of 5. Weigh that public track record alongside a direct quote.

Which IT services does Prefix Technologies provide?

Prefix Technologies delivers Managed IT Services, Network Management, IT Consulting to organizations across St. Louis, MO.

What area does Prefix Technologies serve?

Prefix Technologies is based in St. Louis, MO and supports businesses across St. Louis and the greater metro area.

When did Prefix Technologies start?

Prefix Technologies has been operating since 1990.

Is Prefix Technologies certified?

Prefix Technologies carries 30 years keeping client data secure, 98% client retention with 17-year average tenure, 20 minute average response time, 30-day money-back guarantee.