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Why Ontech Systems?At Ontech Systems, we have maintained 98% of our clients since our inception – one of the highest client retention rates in our industry. During regular business hours, we return phone calls and emails within an hour. We’re not a break/fix firm. We take into consideration your company’s growth outlook as well. We don’t lock our clients into long-term contracts.

Serving Southeast Wisconsin since 2004
Are you an existing Ontech Systems Client in need of support? Please contact us via the methods in our online support portal.
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Ontech Systems, Inc
Greater Milwaukee IT Support
N85W16186 Appleton Ave
Menomonee Falls, WI 53051
Phone: 262-522-8560
Email:
Hours: Monday – Friday 8am-5pm