Top Custom Software Development Companies in Chicago, IL
We ranked 8 custom software development companies in Chicago, IL on client reviews, how many are verified, service focus and profile completeness. Updated October 2026. How rankings work
Partners that build software around how a business actually works, often replacing spreadsheets and a patchwork of subscriptions with one system the company owns.
- Rank 1
Chicago custom software consultancy that helps organizations decide what to build, then designs and engineers it, including AI agents and platforms.
No reviews yet
Chicago, IL
- Custom Software Development
- AI & Automation
- Product Design & Development
- Team
- 100-249 people
- Rank 2
Employee-owned software design and development consultancy building web, mobile, IoT, desktop and cloud applications, with an office in Chicago.
No reviews yet
Grand Rapids, MI
- Custom Software Development
- Mobile App Development
- Product Design & Development
- Rank 3
Chicago digital product firm building custom web and mobile apps, AI automation and Salesforce solutions with small senior teams.
No reviews yet
Chicago, IL
- Custom Software Development
- AI & Automation
- Web Development
- Rank 4
Chicago digital product and innovation consultancy that researches opportunities, designs products and builds custom software.
No reviews yet
Chicago, IL
- Product Design & Development
- Custom Software Development
- UX/UI Design
- Rank 5
Chicago software development partner building custom software, mobile and web apps and AI features, with product discovery and UX design.
No reviews yet
Chicago, IL
- Custom Software Development
- Mobile App Development
- Web Development
- Rank 6
Chicago-based digital product agency offering strategy, experience design, commerce platforms and product engineering.
No reviews yet
Chicago, IL
- Web Development
- Product Design & Development
- Custom Software Development
- Team
- 250-999 people
- Rank 7
Atlanta-based AI services firm that plans, builds and governs AI systems, agents and data platforms with nearshore engineering teams.
No reviews yet
Atlanta, GA
- AI & Automation
- Custom Software Development
- API & Integration Development
- Rank 8Down 1 from #7
Chicago consultancy that builds production AI agents, RAG systems and custom software that plug into a client's existing systems.
No reviews yet
Chicago, IL
- AI & Automation
- Custom Software Development
- API & Integration Development
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