Top Tech Companies in Chicago, Illinois (4,975)

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...

IG North America is home to tastytrade, tastylive, tastyfx, and tastycrypto—a family of brands built to democratize trading and empower individual investors. Founded in Chicago by the creators of thinkorswim, acquired by London-based IG Group in 2021, we combine startup innovation with the backing of a global fintech leader with 50+ years of experience. From our headquarters in Chicago's Fulton...

CSC is a global leader in providing business, legal, tax, and digital brand services to companies around the world. With more than 8,000 employees, CSC operates in more than 140 jurisdictions, delivering solutions that help businesses thrive. We pride ourselves on our client-focused approach, market-leading expertise, and unmatched global reach.

Transforming the insurance industry is ambitious, we know. That’s why at Applied, we’re building a team that shows up every day ready to learn, willing to try new things, and driven to deliver innovative software and services that make us indispensable to our customers – all within a culture built on values that make us indispensable to each other, too....

Alliant is unlike any other financial institution — a digital credit union that wows our members. We’re boldly disrupting banking norms to do good for our members, employees and communities. With 90 years of history and more than $19 billion in assets, Alliant Credit Union is the largest credit union in Illinois and one of the largest in the U.S. Our industry-leading...

Prolaio is a clinical intelligence company dedicated to unlocking continuous, predictive and shareable heart data to liberate patients from hospital-based reactive care and accelerate every new therapy. The company was created by cardiologists, cardiovascular practitioners, and data scientists specifically to address the world’s number one cause of death — cardiovascular disease. By combining scientific rigor with cutting‑edge technology, Prolaio aims...

We contribute to human progress by empowering people to express themselves, live in the moment, learn about the world, and have fun together.

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...

Coupa is a global technology company that helps businesses run smarter by connecting all the ways they spend money — from procurement and expenses to payments and supply chain decisions — in one intelligent platform. In simple terms, Coupa gives organizations the visibility and control they need to make better financial choices, reduce waste, and drive real impact. It’s where...

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...

Supernova is the technology leader in securities-based lending ("SBL") solutions that connect and empower the entire financial ecosystem. We offer the world’s first and only cloud-based, fully-customizable, end-to-end software solution to automate securities-based lending from origination through the life of the loan.

At Quantum Rise, we're transforming how businesses use AI and automation to fuel growth and innovation. As an AI-native company, we combine human expertise with cutting-edge technology to solve real-world challenges. Our team is passionate about building products that are always on, continuously improving, and designed to help companies get the most out of their existing technology. But it’s not...

SteelSeries is a global leader in gaming. We create hardware and software that enhances the gaming experience, improves performance, and leads to winning. Want proof? Esports pros have won more prize money using our gear than with any other brand. Our philosophy is that professional quality gear benefits every gamer, whether they're playing with friends, streaming their favorite titles, or...

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...

Founded in 2001, Vivid Seats is a leading online ticket marketplace committed to becoming the ultimate partner for connecting fans to the live events, artists, and teams they love. Based on the belief that “Life Happens Live”, the Chicago-based company provides exceptional value by providing one of the widest selections of events and tickets in North America and an industry...

Over the last 15 years, we’ve grown from a startup to a market-leading organization with over 150 team members, and we’ve created an award-winning culture that makes this company an amazing place to work. We've been ranked on multiple best places to work lists including the 2026 BuiltIn Chicago rankings.

Metropolis Technologies, Inc. is an artificial intelligence company whose computer vision platform enables checkout-free payment experiences for the real world. Its proprietary AI-driven technology reaches more than 50 million customers while reducing costs, increasing transparency and capturing additional revenue for real estate partners. Following its take-private acquisition of SP+, Metropolis is now the largest parking network in North America with...

ZS is a management consulting and technology firm that partners with companies to improve life and how we live it. We transform ideas into impact by bringing together data, science, technology and human ingenuity to deliver better outcomes for all. Founded in 1983, ZS has more than 15,000+ employees in over 40 offices worldwide.

The Wolverine companies comprise a number of diversified financial institutions specializing in proprietary trading, asset management, order execution services, and technology solutions. We are recognized as a market leader in derivatives valuation, trading, and value-added order execution across global equity, options, and futures markets.

Our platform creates comprehensive digital twins of your supply chain with AI-powered digital workers to automate resolution, improve collaboration and drive outcomes across all stakeholders. Unlike traditional control towers, we enable true real-time execution and intelligent fulfillment, transforming both your supply and customer-facing operations.