Best IT Services Companies in Chicago, United States
The 218 best IT Services companies in Chicago, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Thoughtworks.
Ranked: Best IT Services companies in Chicago
| # | Company | Disclosed funding | Last round | Stage | Employees | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | 66Degrees Provider of cloud solutions, IoT development, and other services | — | — | Funding Raised | 548 | WordPressApple iCloud MailGoogle Workspace+24 | — | 2 awards |
| 2 | access technology solutions Access Technology Solutions provides an extensive range of consulting services. | — | — | Private | 50 | — | 125 patents Patents concentrated in health & consumer products | — |
| 3 | Acera Corporation Acera Corporation is a rapidly growing company specializing in world-class data solutions and infrastructure… | — | — | — | 21 | — | 40 patents Medical endoscopic illumination and imaging devices for tube positioning and visualization | — |
| 4 | Aciano Provider of IT service suite solutions | — | — | Unfunded | 38 | Windows ServerBootstrapIIS+19 | — | 1 internship |
| 5 | Acterys Data discovery and planning solution | — | — | Acquired | 4 | WordPressMySQLPHP+28 | — | 1 launch |
| 6 | adage technologies Web Development and Design Company | — | — | Private | 91 | — | — | — |
| 7 | adeocode Adeocode is a web development firm that offers web/mobile app development, prototyping & UX/UI design, web… | — | — | — | — | — | — | — |
| 8 | agility network services Agility Network Services provides IT support services | — | — | Private | 20 | WordPressMySQLPHP+12 | — | — |
Top 12 IT Services companies in Chicago
#1
Series A · Chicago, Illinois · founded 2012 · 31 employees$37.2Mraised▾
Provider of cyber security assessment, managed solutions, and incident response services
- Dec 2025Series A$1.5M
- Aug 2023Series A$8.3M
- Feb 2023Series A$1.2M
- Nov 2021Series A$9.5M
#2
Acquired · Chicago, Illinois · founded 2002 · 96 employees$29.4Mraised▾
Provides data analytics solutions for business intelligence
- Feb 2025PE$29.4M
#3
Public · Chicago, Illinois · founded 2020 · 11 employees$2.4Mraised▾
Provider of AI data center infrastructure and energy storage systems. The company acquires land, secures power, obtains permits, designs sites, and delivers projects. It develop campuses from early-stage land acquisition to ready-to-build. Each site is designed with high capacities, dedicated baseload power, resilient architecture, and deployment timelines. The company also develops grid-connected battery energy storage system sites.
- Sep 2025Post IPO$1M
- Apr 2025Post IPO$391.2K
- Jun 2021Post IPO$1.7M
- Feb 2021Post IPO$769.2K
#4
Public · Chicago, Illinois · founded 1993 · 10500 employees$748Mraised▾
Thoughtworks is a leading global technology consultancy that specializes in integrating strategy, design, and software engineering to help enterprises and technology disruptors achieve their goals. They offer a range of services and solutions to drive innovation and create extraordinary impact.
- Jan 2021Series B$720M
- Dec 2016Grant (prize money)$1M
- Apr 2000Series A$28M
#5
Series D · Chicago, Illinois · founded 2012 · 107 employees$83.5Mraised▾
Platform offering digital textbooks for students. It offers solutions for buying, selling, and reading digital content like eBooks, textbooks, academic materials, magazines, documents, and other digital content. It also provides tools for bookmarking, highlighting, and note-taking.
- Feb 2023Series D$15M
- Aug 2020Series C$10M
- Apr 2020Series C$300K
- Oct 2018Series C$25M
#6
Series B · Chicago, Illinois · founded 2010 · 13 employees$19.3Mraised▾
Premium managed web hosting specializing in WordPress with exceptional support. The company delivers fully managed, worry-free hosting platforms for mission-critical websites and applications globally. It focuses on providing industry-leading support and management through direct communication and proactive problem-solving. The company offers various services, including managed WordPress hosting, enterprise hosting, managed servers, cloud VPS, and dedicated servers. It emphasizes a human-to-human approach, building personal relationships with clients and ensuring their success through expert support and site-specific management. The company provides seamless migrations, proactive monitoring, and optimized performance, making it a trusted partner for businesses seeking reliable and high-performing web hosting solutions. It offers a range of plans with monthly and annual pricing, catering to different needs and budgets. The company's services include CDN, free migrations, daily backups, and simple upgrades.
- Jul 2023Series B$19.3M
#7
Acquired · Chicago, Illinois · founded 2019 · 6 employees$32Mraised▾
Provider of end to end support services for blockchain hardware
- Jun 2021Series B$25M
#8
Acquired · Chicago, Illinois · founded 1997 · 69 employees$47.2Mraised▾
Neohapsis provided security and GRC advisory services to the organizations. Services included risk management, compliance, cloud, application, mobile, and infrastructure security solutions. Claimed to protect against both operational and technical security vulnerabilities by mapping the risk posture and defining a structured approach for protection against it. Formerly a subsidiary of KSR and finally acquired by Cisco in 2014 to extend its cybersecurity advisory service.
- Jun 2013Series C$4.9M
- Oct 2010Series C$16.5M
- Mar 2009Series B$2M
- Oct 2008Series B$3M
#9
Series C · Chicago, Illinois · founded 1998 · 68 employees$63.7Mraised▾
Provider of custom website development and search engine submission services intended to offer cost-effective and easy-to-use online services for small businesses and enterprises. The company's services include website development with attractive, customized web pages, internet marketing services and search engine optimization, enabling clients to drive traffic to their websites and generate revenues.
#10
Acquired · Chicago, Illinois · founded 2007 · 437 employees$55Mraised▾
Provider of web & mobile application development and IT consulting services . Its other services include UX design, business intelligence, system integration, customer experience, content & creative, digital transformation, and CRM.
- May 2015Series B$55M
#11
Series A · Chicago, Illinois · founded 2019 · 10 employees$4.9Mraised▾
Provider of cyber security training services
- Aug 2022Series A$3.5M
- Nov 2020Seed$1.4M
#12
Acquired · Chicago, Illinois · founded 2010 · 362 employees$28.5Mraised▾
Provider of data and analytics services
- Aug 2014Series A$28.5M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of IT Services coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.