Top Tech Companies in Chicago, Illinois (4,903)

At Braze, we believe in the passion of our people. We seek to ignite that passion by setting high standards, championing teamwork, and creating work-life harmony. We thrive when people add their unique perspectives to our ever-growing teams—and we strive to empower you to make an impact that fuels both you, and our business.

At Capital One, we think and work like a tech company, using our digital fluency to transform everything about the customer experience. We’re bending data to our will, and turning a stodgy industry on its head. That’s reflected in our ranking as the number one business technology innovator in the U.S. in the 2016 InformationWeek Elite 100.

Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn’t work together. So we expanded into software and started building integrated, omnichannel solutions – to help sellers sell online, manage...

Block, Inc. is a global technology company with a focus on financial services. Made up of Square, Cash App, Afterpay, TIDAL, Bitkey, and Proto, Block, Inc. builds technology to increase access to the global economy. Each of our brands unlocks different aspects of the economy for more people. Square makes commerce and financial services accessible to sellers. Cash App is the...

By automating and streamlining common accounting workflows to make them more efficient, FloQast is where accounting teams want to work so they can focus on what matters most, even when that’s just logging off on time. Whether automating reconciliations, documentation requests, or streamlining recurring accounting processes, such as the month-end close, financial reporting, or payroll, FloQast's platform enhances the way...

As the AI platform for business transformation, we're putting AI to work across organizations — freeing people for work that matters. Making old tech work with new tech. Reaching across departments, from the front office to the back office and every office in between. Our ambition? To become the AI defining enterprise software company of the 21st century (or "AI...

At AdAction, we’re revolutionizing how brands connect with audiences through the power of mobile technology. As leaders in performance-driven marketing, we create innovative solutions that merge supply, loyalty, and rewards into seamless, mobile-first strategies. Our platform empowers brands and app developers to drive engagement, boost retention, and achieve sustainable growth by delivering personalized, reward-based experiences that foster genuine connections. With cutting-edge...

Recognized by Crain’s as one of 2025’s Most Innovative Companies, UncommonX helps customers move from reactive defense to proactive resilience, with the context, prioritization, and insights needed to reduce risk and respond with precision. We believe cybersecurity should deliver more than alerts — it should deliver clarity, confidence, and control. That’s why we built an AI-powered Exposure Management platform that gives...

Kalderos is a data infrastructure and analytics company that’s solving challenges around drug discounts in the U.S. healthcare system. Through platform technology and big data, our team is delivering smart solutions that enable healthcare stakeholders to collaborate with greater transparency and trust. We’re passionate about our mission to take on the most stubborn challenges in healthcare. We also know that...

Who We Are Founded in 2001, Adage Technologies is a digital engineering firm building modern, AI‑enabled solutions that help organizations engage their audiences and operate more efficiently. With offices in Chicago and Medellín, our 120‑person team blends strategy, design, engineering, and data to create impactful digital experiences for performing arts organizations, associations and accreditation bodies, and manufacturing and distribution companies. What We...

A global leader in applied safety science, UL Solutions transforms safety, security and sustainability challenges into opportunities for customers in more than 100 countries. UL Solutions delivers testing, inspection and certification services, together with software products and advisory offerings, that support our customers’ product innovation and business growth. The UL Certification Marks serve as a recognized symbol of trust in...

NinjaHoldings was founded in 2017 by a team seeking to revolutionize the way everyday Americans interact with financial services. Through our CreditNinja and NinjaCard brands, we empower people overlooked by traditional financial institutions to take control of their finances via a full suite of digital banking and lending products, providing incentives and rewards along the way as we guide them...

YCharts was founded in 2009 to democratize investment research. As we build an increasingly powerful and intuitive tool that our clients use daily, we might be outgrowing our name—but not our mission. From humble beginnings, YCharts has grown to become an all-in-one platform for investment research and client communication. Our guiding principle has always been to create software that elevates and...

Bellagent is an enterprise-level AI agent platform built to automate everyday business operations with zero-touch integrations that connect instantly to more than 1,300 applications. Launched in 2025 by Proactifi Inc., and headquartered in Chicago, the platform is built for practicality with industry-leading compliance and security standards, enabling organizations to deploy AI agents without friction from day one. Bellagent’s mission to...

Qualtrics is trusted by thousands of the world’s best organizations to power exceptional customer and employee experiences that build deep human connections, increase customer loyalty, boost employee engagement, and drive business success. Our advanced AI and specialized Experience Agents™ allow businesses and governments to proactively interact with customers and employees in personalized ways across every channel and touchpoint, respond in-the-moment...

At Vibes, our premier mobile messaging platform helps world-class brands intelligently automate and optimize their mobile marketing outcomes through the power of SMS, MMS, RCS and Mobile Wallet. Industry leaders like Chipotle, Kohl’s, Polo Ralph Lauren, The Children's Place, KFC, Ulta Beauty, and others use Vibes to grow their customer relationships with relevant, high-volume mobile messaging and mobile wallet marketing on...

The Federal Reserve Bank of Chicago is one of 12 regional Reserve Banks across the United States that, together with the Board of Governors in Washington, D.C., serves as the nation's central bank. The role of the Federal Reserve System, since its establishment by an act of Congress in 1913 , is to foster a strong economy and a stable...

Leading a successful professional service firm is an art. Running a profitable firm is a business. We understand this because our founder ran an IT Consulting firm for over 15 years. He grappled with the same challenges that professional service firm owners face today. How do I know what my employees are working on? How can I connect time and...

Snap Inc. is a technology company. We believe the camera presents the greatest opportunity to improve the way people live and communicate. We contribute to human progress by empowering people to express themselves, live in the moment, learn about the world, and have fun together.

We are a purpose driven healthcare technology company passionate about innovation and using technology to help people by solving real world problems. The ALIS team designs, builds, delivers, and supports our flagship product ALIS (pronounced “Alice” and stands for Assisted Living Integrated Solution).