Top Managed IT Companies in Bellevue

ADS

We provide your business with an all-in-one IT department.

✓ Verified Provider ⭐ 5.0/5 Stars Est. 1978
Bellevue, WA
1–9 employees
Founded 1978
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ADS is a managed IT services provider based in Bellevue, WA, operating since 1978. Across 4 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 Bellevue managed IT providers, then request a quote.

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

About ADS

ADS is a Bellevue, WA IT services provider serving the greater Seattle area since 1978, evolved from mainframe sales into managed services, cybersecurity, data backup, network optimization and IT support for small and mid-sized businesses, with onsite and remote support.

Services Offered

🖥️
Managed IT Services
🔒
Cybersecurity
💾
Backup & Business Continuity
🛟
IT Help Desk & End-User Support
🌐
Network Management

Why Choose ADS

5.0/5 From 4 Google Reviews

With 4 reviews averaging 5.0, ADS (site titled 'ADS Equipment') has a checkable public track record rather than marketing claims alone.

📍

Based in Bellevue

ADS (site titled 'ADS Equipment') is headquartered in Bellevue, WA, so Bellevue businesses get a local team for on-site work instead of a distant call center.

In business since 1978 (roots in mainframe computer sales)

In business since 1978 (roots in mainframe computer sales)

Serves the greater Seattle area from Bellevue, WA

Serves the greater Seattle area from Bellevue, WA

Location

Bellevue, WA

Certifications & Compliance

In business since 1978 (roots in mainframe computer sales)
Serves the greater Seattle area from Bellevue, WA
Onsite and remote support with on-call/emergency service
People-first technology approach

Frequently Asked Questions

What do ADS reviews say?

Across 4 verified Google reviews, ADS averages 5.0 out of 5. Weigh that public track record alongside a direct quote.

Which IT services does ADS provide?

ADS delivers Managed IT Services, Cybersecurity, Backup & Business Continuity, IT Help Desk & End-User Support, Network Management to organizations across Bellevue, WA.

What area does ADS serve?

ADS is based in Bellevue, WA and supports businesses across Bellevue and the greater metro area.

When did ADS start?

ADS has been operating since 1978.

Is ADS certified?

ADS carries In business since 1978 (roots in mainframe computer sales), Serves the greater Seattle area from Bellevue, WA, Onsite and remote support with on-call/emergency service, People-first technology approach.