Top Tech Startups in Illinois, US in 2027

Madison Reed (madison-reed.com) is an e-commerce start-up with a team of 180+ rock stars in San Francisco. We’re revolutionizing the $50B hair care market using technology (web, mobile, tablet, social) to radically innovate the user experience and business model. Madison Reed is headquartered in SF and backed by top-tier venture capital firms Norwest VP, True Ventures, Maveron and Shea Ventures.

Array was founded in 2020. Our investors include Battery Ventures, General Catalyst, and Nyca Partners. Array is an embeddable fintech products platform, fueling financial progress for many of the world’s leading fintechs, financial institutions, and digital brands with a suite of credit, financial management, and privacy tools - building a platform to help consumers own their financial future. We at Array drive engagement and revenue for our clients, helping them stand out in a crowded market, and forge deeper relationships with customers.

Contentful, the leading content platform for digital-first business, helps over 30% of the Fortune 500 and thousands of brands around the world create and manage digital experiences for their customers across any channel. It enables greater speed and scale than traditional CMS solutions. Contentful unifies content in a single hub, structures it for use in any digital channel, and integrates seamlessly with hundreds of other tools through open APIs. Companies such as Gucci, Plaid, Goodrx, Intercom, Notion, Staples and many others rely on Contentful’s platform. For more information, visit contentful.com.

Nextdoor is the world's largest social network for the neighborhood, enabling truly local conversations that empower neighbors to build stronger and safer communities. Building connections in the real world is a universal human need. That truth, and the reality that neighborhoods are one of the most important and useful communities in our lives have been guiding principles for Nextdoor. Today, neighbors rely on Nextdoor in more than 242,000 neighborhoods around the world in the United States, the United Kingdom, Germany, France, the Netherlands, Italy, Spain, Sweden, Denmark and Australia, with many more to come.

DISCO is the leading provider of ediscovery solutions for law firms, corporations, and government agencies. With technology and services that automate and simplify complex and error-prone tasks that distract from practicing law, DISCO empowers lawyers and their teams to effectively manage discovery processes. DISCO is the ediscovery choice of leading U.S. law firms including litigation boutiques and AmLaw, Fortune 500 companies, as well as government agencies around the world. Ready for an ediscovery upgrade? Request a demo at demo.csdisco.com.

Altinity is the leading service and software provider for ClickHouse - an open source SQL data warehouse offering industry-leading query speeds on petabyte-scale data. Altinity offers the highest expertise on the market to help customers deploy and run the most demanding analytic applications. We also provide innovative software to manage ClickHouse in Kubernetes, cloud, and bare metal environments.

One Medical is the fastest growing primary care practice in the country. But this is no ordinary doctor’s office. Everything we do is built around how people live today. From our office experience to the exceptional people we hire to technology that simplifies getting — and giving — care, we’re transforming healthcare and truly changing people’s lives.

Metropolis develops advanced computer vision and machine learning technology that make mobile commerce remarkable. Our platform is already deployed in hundreds of mobility facilities and industries with billions in opportunity. We’re building the digital pipes through which the future of mobile commerce will move.

SourceIQ is a cutting-edge tech startup dedicated to revolutionizing supplier sourcing through automation. Our flagship product is a cloud-based enterprise solution that streamlines procurement and supplier management.

We’re an engineering company using AI to help companies collect their cash (Accounts Receivable). We're backed by a16z, Khosla, Activant, 1984 and Page One Ventures.