Top Mobile App Development Companies in Chicago

As seasoned agency partners, we understand what it takes to develop incredible digital solutions that add value, produce tangible results, and support your company's ongoing success in this dynamic environment. We are committed to becoming the best team for you to fulfill the mission and goals we set out to achieve together, whether you are working on a major enterprise platform or a brand-new startup. "Do Good" is our motto. Be decent. It is a fundamental principle of our family-run firm that directs our daily efforts to deliver the finest possible service and the greatest possible output. We are honored to be in our fifteenth year of offering our digital know-how to companies across the globe, and we value the chance to collaborate.

Strategic Systems International (SSI) is a Chicago-based advanced analytics and custom software engineering company specializing in building scalable, data-driven applications for technology companies and global enterprises. Our multidisciplinary team includes expert data scientists, software engineers, solution architects, business analysts, MBAs, and infrastructure specialists who collaborate to deliver measurable business impact. Founded in 1991 at an incubator in Evanston, Illinois by alumni of the University of Chicago and Northwestern University, SSI has since expanded with offices across Europe, Asia, and Latin America. For over three decades, we have partnered with organizations ranging from VC-backed startups to Fortune 100 enterprises, helping them innovate and accelerate growth. Our core industry expertise spans FinTech & Financial Services, HealthTech, Big Data & Analytics, Artificial Intelligence & Machine Learning, and the Internet of Things (IoT). By combining deep domain knowledge with cutting-edge technology, SSI delivers tailored digital solutions that drive efficiency, intelligence, and scalability for our clients worldwide.

We are a digital transformation consulting and app development company committed to helping businesses accelerate growth through innovative technology solutions. Since 2020, our team of highly skilled professionals with 8+ years of industry experience has partnered with global brands to deliver scalable, secure, and future-ready software solutions. From custom app development to enterprise software engineering, we specialize in solving complex business challenges with cutting-edge tools and proven methodologies. Our expertise spans web development, mobile applications, cloud integration, and digital consulting, empowering startups, SMBs, and enterprises to succeed in the digital era. We are your trusted partner in transformation.

CodingCops is a trusted global tech talent partner for businesses looking to hire elite software developers on-demand. As a leading hire-developers agency, we specialize in helping startups, SMEs, and enterprises quickly scale their engineering teams with pre-vetted, remote software developers without the time and cost of traditional hiring. Whether you're looking to hire one developer or build a dedicated offshore team, CodingCops offers flexible engagement models that adapt to your goals, timelines, and tech stacks. Our global talent pool covers all major technologies including React, Ruby on Rails, Node.js, Python, Java, AI, ML and more. With each developer pre-vetted for technical ability, communication, and culture fit. We proudly serve clients across critical industries: * Technology * Healthcare * Finance * Retail & E-commerce * Manufacturing * Telecommunications * Education * Energy Our excellence has been recognized by leading industry platforms including Clutch, G2, Gartner, GoodFirms, SoftwareWorld, TopDevelopers, DesignRush, Outsource Accelerator, SelectedFirms, and Wellfound. A testament to the quality, reliability, and impact of our developer talent. At CodingCops, we don’t just fill roles. We help you build high-performance, scalable teams that drive innovation and business growth. Whether you're launching an MVP, optimizing existing systems, or building enterprise-grade platforms, our developers integrate seamlessly into your projects and deliver results from day one. Hire faster. Scale smarter. Build with the top 1%, only at CodingCops.

Atomic Object is a U.S.-based custom software development company focused on building high-impact digital products that drive measurable business results. Our expert team designs and develops new software, enhances existing applications, modernizes legacy systems, and integrates AI-driven capabilities. As an employee-owned firm with offices in Chicago, Ann Arbor, Grand Rapids, and Raleigh-Durham, we deliver collaborative, high-quality solutions tailored to each client’s strategic goals.

Headquartered in Chicago, SITE IT NOW has now become a market leader in professional Web Development services in the USA, Their other service expertise includes Web Designing, Website Development, Search Engine Optimization (SEO), WordPress Development, Shopify Website Development, Software Development, Web Application Development, eCommerce Website Development, Social Media Marketing, Mobile App Development, and Secure Web Hosting Solutions. The Chicago web development agency offers digital solutions to create new competitive advantages for customers from varied industries like healthcare, education, Fintech, entertainment, e-commerce, Hospitality, and related verticals present across the USA. Their expert website developers give individualized attention to each project so that you can offer your website visitors an exceptional user experience.

Plego Technologies is a digital agency based in Chicagoland We specialize in website design and development, web app development, mobile app development, integration, search engine optimization and staff augmentation. Our clients over the years have taken advantage of Plego’s model of delivery to scale and have expedited their key initiatives.

Design Alligators is one of the Leading Digital Design Agency in New York, United States and has been creating stunning and Professional Website Design Services & Professional Logo Design Services for more than 5 years, with thousands of projects under our belt. We have been expertly converting dull, unappealing websites into sleek, beautiful, professional sites. With every project that passes through our doors, we gain more experience and hone our skills. Contact Us Today for Professional Website Redesign Services and Professional Website Development Solutions in Brooklyn, New York, United States of America! Let us know more about your project and together we will create a smashing start for your business.

Caxy Interactive is an AI and digital transformation software development company based in Chicago that was founded in 1999. With more than 20 years of experience, we are experts at developing user-centered, specially designed solutions that match technology with corporate strategy. One of the best software firms in Chicago, we use cutting-edge digital experiences to assist our clients transform their businesses.