As of May 2026, there are 584 SaaS companies based in Illinois. They have combined revenues of $14.5B and employ 92.4K employees. They've raised $5.8B in capital and serve 40.5M customers combined.
Sorting: Highest -> Lowest
Showing 10 of 584 companies ranked by annual revenue.
Chicago, Illinois, United States
A global real estate advisory firm offering a comprehensive suite of services, including portfolio management, brokerage advisory and project management
Chicago, Illinois, United States
Direct response advertising and retention marketing agency providing sophisticated solutions to clients ranging from startups to Fortune 500 brands
Schaumburg, Illinois, United States
paylocity is the hr & payroll provider that frees you from the tasks of today, so together, we can spend more time focused on the promise of tomorrow.
Hoffman Estates, Illinois, United States
Vistex solutions helps businesses take control of their mission-critical processes, including their promotions, rebates, pricing, discounts, and other incentives. With so many programs across so many partner relationships, it can be impossible to see where all the money is going, let alone how much difference it’s actually making to revenue. With Vistex, business leaders can see the numbers, see what really works, and see what to do next – so they can make sure every dollar they spend really is driving more growth, not just more costs.
Chicago, Illinois, United States
provider of marketing automation and customer experience automation (CXA) software
Chicago, Illinois, United States
IRI is a leading provider of big data, predictive analytics and forward-looking insights that help CPG, OTC healthcare, retailers and media companies to grow their businesses. With the largest repository of purchase, media, social, causal and loyalty data, all integrated on an on-demand cloud-based technology platform, IRI guides its clients around the world in their quests to remain relentlessly relevant, capture market share, connect with consumers and deliver market-leading growth.
Northbrook, Illinois, United States
Pinstripes is a best-in-class experiential dining and entertainment brand, combining bistro, bowling, bocce and private event space. It provides Italian-American cuisine and offers a venue for socializing and events.
Chicago, Illinois, United States
Relativity is a technology company that provides e-discovery software solutions for managing electronic data during legal proceedings.
Itasca, Illinois, United States
Flexera helps organizations understand and maximize the value of their technology, saving billions of dollars in wasted spend. Powered by the Flexera Technology Intelligence Platform, our award-winning IT asset management, FinOps and SaaS management solutions provide comprehensive visibility and actionable insights on an organization’s entire IT ecosystem. This intelligence enables IT, finance, procurement and cloud teams to address skyrocketing costs, optimize spend, mitigate risk and identify opportunities to create positive business outcomes. More than 50,000 global organizations rely on Flexera and its Technopedia reference library, the largest repository of technology asset data. Learn more at flexera.com.
Each Tuesday, we reverse-engineer a real SaaS company's revenue, profit, CAC, funnels, and its top growth tactic.
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