Top Managed IT Companies in Chicago

Complete Technology Solutions (CTS)

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✓ Verified Provider ⭐ 4.9/5 Stars Est. 1984
Sparta, IL
50–249 employees
Founded 1984
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Complete Technology Solutions (CTS) is a managed IT services provider based in Sparta, IL, operating since 1984. Across 38 verified Google reviews it averages 4.9 out of 5, a public track record you can weigh during diligence. It focuses on Managed IT Services, Cybersecurity, Cloud Services, 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 Complete Technology Solutions (CTS)

Complete Technology Solutions (CTS), founded in 1984 in Sparta, Illinois, is a managed IT, unified communications, and cybersecurity provider with 40+ years in business and 500+ projects delivered for businesses nationwide.

Services Offered

🖥️
Managed IT Services
🔒
Cybersecurity
☁️
Cloud Services
🛟
IT Help Desk & End-User Support
🔌
VoIP & Business Phone
📊
IT Consulting

Why Choose Complete Technology Solutions (CTS)

4.9/5 From 38 Google Reviews

With 38 reviews averaging 4.9, Complete Technology Solutions (CTS) has a checkable public track record rather than marketing claims alone.

📍

Based in Sparta

Complete Technology Solutions (CTS) is headquartered in Sparta, IL, so Sparta businesses get a local team for on-site work instead of a distant call center.

40+ years in business, 99% client satisfaction, 500+

40+ years in business, 99% client satisfaction, 500+ projects delivered

President's Award for Exceptional Economic Achievement

President's Award for Exceptional Economic Achievement (2016-2019)

Location

Sparta, IL

Certifications & Compliance

Microsoft
Zultys
Adtran
NEC
Dell
Samsung

Frequently Asked Questions

What do Complete Technology Solutions (CTS) reviews say?

Across 38 verified Google reviews, Complete Technology Solutions (CTS) averages 4.9 out of 5. Weigh that public track record alongside a direct quote.

Which IT services does Complete Technology Solutions (CTS) provide?

Complete Technology Solutions (CTS) delivers Managed IT Services, Cybersecurity, Cloud Services, IT Help Desk & End-User Support, VoIP & Business Phone, IT Consulting to organizations across Chicago, IL.

What area does Complete Technology Solutions (CTS) serve?

Complete Technology Solutions (CTS) is based in Sparta, IL and supports businesses across Chicago and the greater metro area.

When did Complete Technology Solutions (CTS) start?

Complete Technology Solutions (CTS) has been operating since 1984.

Is Complete Technology Solutions (CTS) certified?

Complete Technology Solutions (CTS) carries Microsoft, Zultys, Adtran, NEC, Dell, Samsung.