Top Managed IT Companies in Waterbury

Kelser Corporation

Managed IT that keeps Waterbury operations running.

✓ Verified Provider ⭐ 4.9/5 Stars Est. 1981
Glastonbury, CT (serving Waterbury)
10–49 employees
Founded 1981
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Kelser Corporation is a managed IT services provider based in Glastonbury, CT (serving Waterbury), operating since 1981. Across 79 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, Co-Managed IT, IT Help Desk, Network & Server Monitoring. Compare it against other Waterbury managed IT providers, then request a quote.

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

About Kelser Corporation

Kelser Corporation delivers managed IT, cybersecurity, and cloud services to Waterbury businesses that want steady, preventive IT instead of break-fix.

Kelser Corporation carries a 4.9/5 Google rating from 79 reviews, a checkable record buyers can weigh during due diligence. The firm has been operating since 1981.

On the service side, Kelser Corporation offers managed IT, cybersecurity, cloud services, network management, help desk support, and vCIO and IT strategy, with a mid-size team backing local businesses throughout the Waterbury area.

Services Offered

🖥️
Managed IT Services
🤝
Co-Managed IT
📞
IT Help Desk
🌐
Network & Server Monitoring
🔒
Cybersecurity Assessments
📱
Endpoint & MDM

Industries Served

🏭 Manufacturing
🏥 Healthcare
🏢 SMB
🤝 Nonprofits

Why Choose Kelser Corporation

79 Google Reviews, 4.9-Star Average

A 4.9-star rating across 79 verified reviews gives any Waterbury buyer doing diligence solid proof of steady work.

📍

On the Ground in Waterbury

Sitting in Glastonbury, Kelser Corporation stays near enough to Waterbury clients to arrive quickly when a remote fix will not do.

🛟

Responsive Help Desk

Kelser Corporation staffs a live help desk so Waterbury employees get a real engineer fast, stopping small issues before they turn into outages.

Offices

Kelser Corporation lists 4 offices. Choose one to see it on the map.

Certifications & Compliance

Microsoft
Cisco
Fortinet
Sophos
Datto

Frequently Asked Questions

What do Kelser Corporation reviews say?

Across 79 verified Google reviews, Kelser Corporation averages 4.9 out of 5. Weigh that public track record alongside a direct quote.

Which IT services does Kelser Corporation provide?

Kelser Corporation delivers Managed IT Services, Co-Managed IT, IT Help Desk, Network & Server Monitoring, Cybersecurity Assessments, Endpoint & MDM to organizations across Waterbury, CT.

What area does Kelser Corporation serve?

Kelser Corporation is based in Glastonbury, CT (serving Waterbury) and supports businesses across Waterbury and the greater metro area.

When did Kelser Corporation start?

Kelser Corporation has been operating since 1981.

Is Kelser Corporation certified?

Kelser Corporation carries Microsoft, Cisco, Fortinet, Sophos, Datto.