Top Managed IT Companies in Milwaukee

Advanced Computer Systems, Inc.

Works exclusively with businesses (no retail)

✓ Verified Provider Est. 1968
Janesville, WI
1–9 employees
Founded 1968
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Advanced Computer Systems, Inc. is a managed IT services provider based in Janesville, WI, operating since 1968. It focuses on Managed IT Services, Cybersecurity, IT Help Desk & End-User Support, Network Management. Compare it against other Milwaukee managed IT providers, then request a quote.

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

About Advanced Computer Systems, Inc.

Advanced Computer Systems, Inc.

is a Janesville, WI firm that works exclusively with businesses (no retail), providing networking, system administration, remote support, anti-virus/security, and virtualization.

The company states it has served business IT needs since 1968; it began as a payroll-services provider, moved into selling PCs in the 1980s and networking in the late 1980s, with the current owner taking full ownership in 1995.

Services Offered

🖥️
Managed IT Services
🔒
Cybersecurity
🛟
IT Help Desk & End-User Support
🌐
Network Management
Compliance & Risk
🧭
vCIO & IT Strategy

Why Choose Advanced Computer Systems, Inc.

📍

Based in Janesville

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

Works exclusively with businesses (no retail)

Works exclusively with businesses (no retail)

Serving businesses since 1968

Serving businesses since 1968

Location

Janesville, WI

Certifications & Compliance

Works exclusively with businesses (no retail)
Serving businesses since 1968
Long-term relationships with customized IT strategy

Frequently Asked Questions

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

Advanced Computer Systems, Inc. delivers Managed IT Services, Cybersecurity, IT Help Desk & End-User Support, Network Management, Compliance & Risk, vCIO & IT Strategy to organizations across Milwaukee, WI.

What area does Advanced Computer Systems, Inc. serve?

Advanced Computer Systems, Inc. is based in Janesville, WI and supports businesses across Milwaukee and the greater metro area.

When did Advanced Computer Systems, Inc. start?

Advanced Computer Systems, Inc. has been operating since 1968.

Is Advanced Computer Systems, Inc. certified?

Advanced Computer Systems, Inc. carries Works exclusively with businesses (no retail), Serving businesses since 1968, Long-term relationships with customized IT strategy.