Top Illinois App Development Companies (50)

PEAK6 is not your typical investment firm. Here, we build and invest in businesses that span from finance and insurance to esports and education — and we're always seeking new opportunities. We're not defined by one industry or market. We activate "what is" into "what ought to be" through world-class technology, operational excellence, and purposeful design. We're in the business...

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....

Chamberlain Group is a global leader in intelligent access and Blackstone portfolio company. Our innovative products, combined with intuitive software solutions, comprise a myQ ecosystem that delivers seamless, secure, access to people's homes and businesses. Our recognizable brands, including LiftMaster® and Chamberlain® , are found in 50+ million homes, and 10+ million people rely on our myQ® app daily to...

Atlassian creates teamwork solutions for high-performing teams. Our portfolio of collaboration and work management software products includes Jira, Confluence, Trello, Loom and Rovo. More than 300,000 businesses worldwide rely on Atlassian’s technology, including 80 percent of Fortune 500 companies. Our solutions support various business teams and they help organizations plan, track, and deliver their biggest ideas together.

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.

At Vail we develop innovative technology to enhance the way people communicate. Our mission is to create business value for our clients and growth opportunities for our employees by developing solutions that inspire people to interact freely and authentically.

We're a global community of bold visionaries and resourceful doers who are shaping the future of Dropbox—and with it the future of work. Our Virtual First model combines the flexibility of a distributed workplace with the power of human connection, making space for both meaningful work and meaningful relationships. With our start-up mindset and enterprise-level opportunities, you can be who...

McMaster-Carr is an e-commerce company offering more than half a million products used to keep business in motion. With more than 300,000 daily visits to our website, customers from a variety of industries turn to us when they need to build, design, repair or maintain just about anything because we are the complete, one-stop source for industrial supplies. Technology teams...

Mode Mobile is the creator of EarnOS, a transformational software that turns ordinary smartphones into "EarnPhones". This innovation empowers users globally to monetize everyday mobile activities such as streaming, gaming, shopping, etc. We enable users to profit from their data and attention, rather than letting only tech giants benefit. What sets us apart is our inclusive approach - converting users...

ELEKS is the partner of choice for many of the world's leading enterprises, SMEs and technology challengers. We help businesses elevate their value through custom software development, product design, QA and consultancy services. We deliver high tech innovations to Fortune 500 companies, big enterprises and technology challengers, improving the ways they work and boosting the value they create for the modern...

We build and optimize Shopify, Magento, Webflow, and headless-commerce solutions—ensuring fast, SEO-friendly sites that drive conversions. Our team also manages ROI-focused paid campaigns (Google, Meta, TikTok) and comprehensive SEO strategies, blending technical expertise with transparent communication to help brands grow online.

Digiteon is a full-service digital agency specializing in eCommerce development and data-driven marketing. We build and optimize Shopify, Magento, Webflow, and headless-commerce solutions—ensuring fast, SEO-friendly sites that drive conversions. Our team also manages ROI-focused paid campaigns (Google, Meta, TikTok) and comprehensive SEO strategies, blending technical expertise with transparent communication to help brands grow online.

Proper Notion is a software company in Chicago area. We focus on IT consulting, custom software development, and software outsourcing. Whether you are a startup looking for a trusted partner to turn your idea into a product, a small business looking to bring your service to the web, or an established company looking to augment your existing team, we will...

Matching business objectives and requirements with technology strategies, Xcelacore’s focus is the design and implementation of technology solutions that drive businesses forward. Our team of leaders provides a unique blend of business, technology, and marketing expertise that helps our clients navigate technology investments and implementation, increase ROI, and sustainability. Our services range from solutions and system architecture to custom application development,...

TechGropse is the world’s leading digital solution provider, with its headquarters in Atlanta, we also have branches in Chicago, Houston, Dallas, Los Angeles, San Francisco, New York City. Our dream is to provide all the possible and latest solutions to small businesses and enterprises. As a leading leader in the field, we have redefined digital possibilities for nearly a decade...

Debut Infotech is a full-service app and software development company that leverages cutting-edge technologies to deliver customized solutions. Utilizing the latest tech trends the team engineered captivating and user-friendly web applications. Our mission is to fuel business success, catering to startups and enterprises alike. From the year 2011 onward, our expertise has been at the forefront of steering startups, small to...

Ranked among Top 5 UK Blockchain companies and top 10 AI companies, Pixelette Technologies has been awarded ‘Best AI Agency’ in the UK three times by the Scottish Business Awards along with many other accolades. Whether you’re a budding entrepreneur with limited tech skills, an established business moving towards rapid expansion, or a government functionary looking to redefine efficiency, we offer...

Replient’s rich history of delivering innovative solutions means we are ready and able to support your business goals through custom software design and development. Our mission is to push the boundaries of technology and provide valuable software solutions to our clients, and quality, collaboration, and customer satisfaction are at the helm of every project.

Since 1998, i.c.stars has been running an intensive 16-week technology and leadership bootcamp to break the cycle of oppression for inner-city adults. Our project based learning approach - rooted in systems thinking and problem solving - is core to how we develop Technology and Community Leaders. Our programs transform lives and strengthen communities. Our graduates’ earnings increase average is 300%,...

Welcome to HatchWorks - Your AI and Data transformation partner. We help you unlock AI’s value through the power of your data. It is easy to do AI. It is hard to do well. We act as your guide enabling you to maintain control of your strategy and ownership of your IP while helping you avoid pitfalls along the journey.