Top Managed IT Companies in Chicago

Turnkey Computer Systems, Inc.

Security-First IT for growing businesses

✓ Verified Provider ⭐ 5.0/5 Stars Est. 1998
Effingham, IL
10–49 employees
Founded 1998
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Turnkey Computer Systems, Inc. is a managed IT services provider based in Effingham, IL, operating since 1998. 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 Services, Cybersecurity, Backup & Business Continuity, IT Help Desk & End-User Support. Compare it against other Chicago managed IT providers, then request a quote.

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

About Turnkey Computer Systems, Inc.

Turnkey Computer Systems, Inc.

provides security-first managed IT services and cybersecurity to businesses in Illinois and Missouri, family-owned for 25 years, based in Effingham, IL.

Services Offered

🖥️
Managed IT Services
🔒
Cybersecurity
💾
Backup & Business Continuity
🛟
IT Help Desk & End-User Support
Compliance & Risk
🔌
VoIP & Business Phone

Industries Served

🏥 Healthcare
💰 Financial Services

Why Choose Turnkey Computer Systems, Inc.

5.0/5 From 31 Google Reviews

With 31 reviews averaging 5.0, Turnkey Computer Systems, Inc. has a checkable public track record rather than marketing claims alone.

📍

Based in Effingham

Turnkey Computer Systems, Inc. is headquartered in Effingham, IL, so Effingham businesses get a local team for on-site work instead of a distant call center.

25 years of family ownership

25 years of family ownership

3.5-minute average response time, 24/7 monitoring

3.5-minute average response time, 24/7 monitoring

Location

Effingham, IL

Certifications & Compliance

Webroot
Veeam
SentinelOne

Frequently Asked Questions

What do Turnkey Computer Systems, Inc. reviews say?

Across 31 verified Google reviews, Turnkey Computer Systems, Inc. averages 5.0 out of 5. Weigh that public track record alongside a direct quote.

Which IT services does Turnkey Computer Systems, Inc. provide?

Turnkey Computer Systems, Inc. delivers Managed IT Services, Cybersecurity, Backup & Business Continuity, IT Help Desk & End-User Support, Compliance & Risk, VoIP & Business Phone to organizations across Chicago, IL.

What area does Turnkey Computer Systems, Inc. serve?

Turnkey Computer Systems, Inc. is based in Effingham, IL and supports businesses across Chicago and the greater metro area.

When did Turnkey Computer Systems, Inc. start?

Turnkey Computer Systems, Inc. has been operating since 1998.

Is Turnkey Computer Systems, Inc. certified?

Turnkey Computer Systems, Inc. carries Webroot, Veeam, SentinelOne.