Top Cybersecurity Companies in Wisconsin
We ranked 6 cybersecurity companies in Wisconsin on client reviews, how many are verified, service focus and profile completeness. Updated October 2026. How rankings work
Firms that assess, harden and monitor systems, and help companies meet security and compliance requirements.
Some positions in this list are sponsored. We may earn a fee for placements. Learn more
Continuous penetration testing combining an operating platform with expert testers.
No reviews yet
Madison, WI
- Cybersecurity
Sturgeon Bay technology team delivering managed IT, cybersecurity, and business AI services.
No reviews yet
Sturgeon Bay, WI
- Managed IT Services
- Cybersecurity
- AI & Automation
Green Bay IT support, network design, and backup and recovery for small businesses.
No reviews yet
Green Bay, WI
- Managed IT Services
- Cybersecurity
Green Bay business technology provider covering managed IT, security, Microsoft cloud, and networks.
No reviews yet
Green Bay, WI
- Managed IT Services
- Cybersecurity
Green Bay computer services firm offering managed business IT, security, and Microsoft 365 support.
No reviews yet
Green Bay, WI
- Managed IT Services
- Cybersecurity
Green Bay IT provider combining managed support with networking, communications, and field technology services.
No reviews yet
Green Bay, WI
- Managed IT Services
- Cybersecurity
Not sure who to choose?
Tell us about your project and we’ll introduce you to up to three cybersecurity companies in Wisconsin that fit it. It’s free.