Top Managed IT Companies in Naperville

Sundog IT Service and Support

Dependable technology support for Naperville and nearby towns.

✓ Verified Provider ⭐ 5.0/5 Stars
DeKalb, IL (serving Naperville)
10–49 employees
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Sundog IT Service and Support is a managed IT services provider based in DeKalb, IL (serving Naperville). Across 17 verified Google reviews it averages 5.0 out of 5, a public track record you can weigh during diligence. It focuses on Managed Services (TotalCARE), Cloud Services, Cybersecurity, VoIP Business Phones. Compare it against other Naperville managed IT providers, then request a quote.

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

About Sundog IT Service and Support

Based in DeKalb, Sundog IT Service and Support handles managed IT, cybersecurity, and cloud services for Naperville businesses under one responsible IT team.

Sundog IT Service and Support carries a 5/5 Google rating from 17 reviews, a checkable record buyers can weigh during due diligence.

Across managed IT, cybersecurity, cloud services, VoIP and unified communications, and Microsoft 365, Sundog IT Service and Support most often works with local businesses that need reliable, security-minded IT.

Services Offered

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Managed Services (TotalCARE)
☁️
Cloud Services
🔒
Cybersecurity
☎️
VoIP Business Phones
📧
Microsoft 365

Industries Served

🏭 Manufacturing
⚖️ Legal & Accounting
🏛️ Non-Profit & Government

Why Choose Sundog IT Service and Support

5/5 From 17 Google Reviews

With 17 reviews averaging 5, Sundog IT Service and Support shows a checkable reputation that stands up to scrutiny.

📍

Rooted in DeKalb

Working from DeKalb, Sundog IT Service and Support can send technicians on-site throughout Naperville while clearing most tickets remotely.

☎️

VoIP & Unified Comms

Sundog IT Service and Support runs managed VoIP and unified communications next to IT, so Naperville clients keep a single accountable technology partner.

Offices

Sundog IT Service and Support lists 2 offices. Choose one to see it on the map.

Certifications & Compliance

Inc. 5000 honoree
Microsoft partner stack
DeKalb Chamber Business of the Year

Frequently Asked Questions

What do Sundog IT Service and Support reviews say?

Across 17 verified Google reviews, Sundog IT Service and Support averages 5.0 out of 5. Weigh that public track record alongside a direct quote.

Which IT services does Sundog IT Service and Support provide?

Sundog IT Service and Support delivers Managed Services (TotalCARE), Cloud Services, Cybersecurity, VoIP Business Phones, Microsoft 365 to organizations across Naperville, IL.

What area does Sundog IT Service and Support serve?

Sundog IT Service and Support is based in DeKalb, IL (serving Naperville) and supports businesses across Naperville and the greater metro area.

Is Sundog IT Service and Support certified?

Sundog IT Service and Support carries Inc. 5000 honoree, Microsoft partner stack, DeKalb Chamber Business of the Year.