Top 100 IT Services Companies in Wisconsin
The Best of December 2025Looking for a top IT services company in Wisconsin?
For your company to grow, it is essential to choose the best technology. Hiring an innovative IT services provider is the easiest way to ensure that you are making the best use of technology, increasing sales, and staying one step ahead of the competition.
To assist you in your search for a partner, we’ve compiled this list of the top IT consultants in Wisconsin. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Wisconsin IT Companies
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$10,000+50 - 249 employeesL'viv, UkraineRead More
Founded in 2019, Uinno is an artificial intelligence firm. The midsize team specializes in Artificial Intelligence, Custom Software Development, Low/No Code Development, UX/UI Design, and more. The company is based in L'viv, Ukraine; Tallinn, Estonia; Kingston upon Thames, England and Zaporizhzhia, Ukraine.
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$1,000+50 - 249 employeesNaperville, ILBetterWorld Technology is a midsize IT managed services company launched in 2003. Their services include IT managed services, Cybersecurity, IT strategy consulting, and Compliance Consulting. The company is headquartered in Naperville, Illinois; Naperville, Illinois; Winter Park, Florida and Denver, Colorado.Read More
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1$1,000+50 - 249 employeesMadison, WIRead More
Applied Tech is an IT managed services company. Established in 1999, the midsize agency is based in Madison, Wisconsin; Lafayette, Colorado; Brookfield, Wisconsin and Wausau, Wisconsin. Their services include IT managed services and Cybersecurity.
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2Undisclosed50 - 249 employeesMilwaukee, WIRead More
CRM consulting and SI company Penrod was founded in 2012. They are located in Milwaukee, Wisconsin and have a midsize team. Their services include CRM consulting and SI.
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3$1,000+10 - 49 employeesMount Pleasant, WICCB Technology is a Cybersecurity company. Their small team is located in Mount Pleasant, Wisconsin and Kenosha, Wisconsin and focuses on Cybersecurity, IT managed services, IT strategy consulting, and unified communications consulting & SI. The firm was established in 1991.Read More
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4$25,000+250 - 999 employeesMilwaukee, WIRead More
Software development firm SPR was established in 1973. The midsize team specializes in custom software development, enterprise app modernization, cloud consulting & SI, ux/ui design, and more. The company is headquartered in Chicago, Illinois and Milwaukee, Wisconsin.
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5Undisclosed50 - 249 employeesAppleton, WIRead More
Ledgeview Partners is an Appleton, Wis. based consultancy that has been in operation since 2007. Their team of 58 assists clients with CRM consulting & SI, business consulting, and market strategy.
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6$10,000+10 - 49 employeesAppleton, WIRead More
Weidert Group is a marketing and advertising agency and was founded in 1980. Its 28-person team serves the manufacturing, business services, financial services, and information technology sectors. Based in Appleton, Wisc., Weidert Group provides services for web design, SEO, and marketing strategy.
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Sentry EquipmentIndustries
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7$10,000+10 - 49 employeesHartland, WIRead More
Xorbix Technologies, Inc., an app development company, was launched in 1998. The small team focuses on mobile app development, custom software development, enterprise app modernization, ux/ui design, and more. The agency is based in Milwaukee, Wisconsin.
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Brady GrandeIndustries
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8$5,000+50 - 249 employeesSun Prairie, WIAnchor Group, NetSuite and Ecommerce Consultants and Developers is a Sun Prairie, Wisconsin-based ERP consulting and SI company. They specialize in ERP consulting and SI and E-Commerce Development and were launched in 2018.Read More
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National Restaurant AssociationIndustries
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9$1,000+2 - 9 employeesGreenfield, WIThird Coast IT is a IT managed services company launched in 2002. Their small team is in Greenfield, Wisconsin and focuses on IT managed services, IT strategy consulting, and cybersecurity.Read More
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10$1,000+10 - 49 employeesBrookfield, WIRead More
Core Vision IT Solutions is an IT managed services company headquartered in Brookfield, Wisconsin and Palatine, Illinois. The agency offers IT managed services, cybersecurity, cloud consulting & SI, unified communications consulting & SI, and more and has a small team.The agency was established in 2002.
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11$100,000+10 - 49 employeesGreen Bay, WICRM consulting and SI company QOLOS is based in Green Bay, Wisconsin. The small company was established in 2018. Their team specializes in CRM consulting and SI, Custom Software Development, and E-Commerce Development.Read More
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STRYKER CERTCO THERMOSIndustries
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12Undisclosed10 - 49 employeesMadison, WIRead More
ERP consulting and SI company SuiteDynamics is based in Madison, Wisconsin. The small team focuses on ERP consulting and SI, e-commerce development, and cloud consulting & SI. The agency was launched in 2020.
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13$5,000+2 - 9 employeesKenosha, WINetForward Corp., a small IT strategy consulting company, is in Kenosha, Wisconsin. Founded in 2013, the team provides IT strategy consulting, IT managed services, Cybersecurity, and unified communications consulting & SI.Read More
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14$1,000+2 - 9 employeesGrafton, WIRead More
3Fold IT, LLC is a small Grafton, Wisconsin-based IT managed services company. They offer IT managed services, unified communications consulting & SI, cybersecurity, IT strategy consulting, and more and were founded in 2006.
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15$10,000+2 - 9 employeesBrookfield, WIRead More
Octavian Technology Group, LLC is a big data consultancy firm that’s based in Milwaukee and founded in 2019. With a team of fewer than 10 people, they are experts in big data consulting, cloud consulting, and AI solutions for clients.
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All-Star SportsIndustries
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16$5,000+10 - 49 employeesNew Berlin, WIRead More
Located in New Berlin, Wis., SWICKtech is an IT managed services provider. Their team of over 10 serves small and midmarket businesses in industries such as manufacturing, business services, and consumer products. Additional services include cybersecurity, cloud consulting, and IT consulting. They were founded in 2004.
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Kesslers Diamond CenterIndustries
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17$1,000+2 - 9 employeesSussex, WIIT managed services company Powerful IT Systems was founded in 2020. Their small team is headquartered in Sussex, Wisconsin. Their services include IT managed services.Read More
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18Undisclosed10 - 49 employeesWaukesha, WICentral Office Systems, an IT managed services company, is headquartered in Waukesha, Wisconsin. The small team provides IT managed services, cybersecurity, and building security services. The company was launched in 1973.Read More
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19$5,000+10 - 49 employeesMadison, WIHeadquartered in Albuquerque, New Mexico and Madison, Wisconsin, Mile Marker is a custom software development company. The small company was established in 2020. Their services include custom software development, web development, mobile app development, and cloud consulting & SI.Read More
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FishidyIndustries
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20$25,000+10 - 49 employeesMilwaukee, WIRead More
Swarming Technology is a small e-commerce development company. Launched in 2011, the team offers e-commerce development, cloud consulting & SI, IT strategy consulting, and other IT consulting and SI. The agency is in Milwaukee, Wisconsin.
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21$1,000+10 - 49 employeesMount Pleasant, WIDevTeamPro Inc. Is an e-commerce development firm launched in 2021. The small team focuses on E-Commerce Development, ERP consulting and SI, and Web Design. The firm is located in Mount Pleasant, Wisconsin.Read More
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22Undisclosed50 - 249 employeesMilwaukee, WINew Resources Consulting is an IT staff augmentation company. They provide IT staff augmentation and other IT consulting and SI and were established in 1992.Read More
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23Undisclosed1,000 - 9,999 employeesMilwaukee, WIIT strategy consulting company LTI was founded in 1997. They are based in Tampa, Florida and Milwaukee, Wisconsin and have a large team. LTI specializes in IT strategy consulting, BI & big data consulting & SI, cloud consulting & SI, and cybersecurity.Read More
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24$1,000+50 - 249 employeesWausau, WIRMM Solutions is a cloud consulting & SI company launched in 2002. The firm provides cloud consulting & SI and IT managed services, and is midsize.Read More
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25Undisclosed50 - 249 employeesVernon, WIChortek LLP is an Accounting company. They are based in Vernon, Wisconsin and have midsize team. They focus on Accounting and IT managed services.Read More
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26$1,000+250 - 999 employeesOnalaska, WILocknet Managed IT is a midsize IT managed services company based in Onalaska, Wisconsin and Eden Prairie, Minnesota. The team focuses on IT managed services and IT strategy consulting.Read More
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27Undisclosed10 - 49 employeesMilwaukee, WIStamm Tech is an IT strategy consulting company. Based in Milwaukee, Wisconsin, the team offers IT strategy consulting and cloud consulting & SI.Read More
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28Undisclosed50 - 249 employeesPewaukee, WIMC Services is an IT managed services company. The firm is headquartered in Pewaukee, Wisconsin and Milwaukee, Wisconsin. Their services include IT managed services.Read More
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29$25,000+10 - 49 employeesMilwaukee, WIIT strategy consulting company Ontech Systems was established in 2004. The agency specializes in IT strategy consulting and IT managed services, and is small.Read More
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30Undisclosed10 - 49 employeesMilwaukee, WIThe Office Technology Group is an IT strategy consulting company. Launched in 1991, the firm is based in Milwaukee, Wisconsin. Their services include IT strategy consulting and Print Design.Read More
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