Our industry experts identified the leading software development companies in Illinois that build high-performance solutions. Explore the best developers in the table below and use the filter to choose the best fir for your budget and needs.
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.
BitsWits builds iOS, Android, Flutter, and React Native apps alongside AI and blockchain solutions, with a four-week delivery guarantee. Its work spans healthcare, fintech, and eCommerce, making the software development company suitable for businesses needing fast, affordable mobile app development...
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Mobile App Development Review from Sydney Malone
With the development of our Mobile App, BitsWits performed a fantastic job. Their team was quick to respond and produced a great application that runs smoothly on all platforms. We are quite happy with the result.
Mobile App Development Review from Benson Sung
They created a Mobile app for Medical services, and patient management has changed greatly as a result. The app works well with our current systems, is safe, and is simple to use. Their team produced a top-notch product on schedule while paying close attention to our unique requirements. We are really pleased with their work and heartily recommend BitsWits to anyone in need of app development services.
Mobile App Development Review from Steve Garry
The outcomes of our collaboration with BitsWits to develop an Online Food delivery app were outstanding. Real-time tracking is integrated into the app, which makes it easy to use and has significantly enhanced our customer support. Their development staff was quick to respond and took care of all of our requests. We couldn't be more pleased with the result!
Simform is a premier digital engineering company specializing in Product Engineering, Cloud, Data, Agentic AI, and Enterprise Platform Innovation. We help enterprises and high-growth ISVs build digital experiences and scalable, enterprise-grade products what work at scale...
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Software Development Review from Andrew Muroff
We worked with Simform for many years ongoing software development on our core product, the Strainprint mobile outcomes tracker for medical cannabis patients. We have only positive things to say about their work product and attention to detail. We highly recommend them and will work with them again.
Software Development Review from Robel Yemane
I've been working with Simform for over six months now. The engagement began with bringing our subscription management platform in-house, and we've since expanded the partnership to other projects due to their broad skill set and consistent reliability. They've gone the extra mileeven over weekends and public holidaysto help us move faster when needed. Communication and project management have been excellent, with any issues swiftly addressed. It genuinely felt like Simform was invested in our success. Having worked with similar firms throughout my career, I can confidently say Simform stands out and comes highly recommended.
Software Development Review from Russ Makhauri
We worked with Simform to hire a front-end engineer for our SaaS platform. The process was well-organized, and their team was professional, responsive, and efficient. They quickly identified a candidate who met our technical requirements and ensured a smooth onboarding process.Simforms communication and project management were strong throughout the engagement. They were proactive in addressing feedback and remained flexible in adapting to our needs. While there is some room for improvement in developer vetting and quality assurance, their overall service was excellent.For companies looking to scale their development teams efficiently, Simform is a reliable partner. Their structured approach, responsiveness, and commitment to client satisfaction make them a great choice. We would recommend them without hesitation.
EffectiveSoft is an AI-enabled product engineering company focused on digital products and enterprise systems. We combine software engineering, UX expertise, and AI capabilities to help companies build products that can adapt to changing requirements, integrations, and growth...
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Software Development Review from Alex Silverstein
Over the past 13 years, I’ve valued the opportunity to work alongside this team. Their expertise played a central role in my company’s success, and I’ve come to rely on them for their consistency, attention to detail, and thoughtful approach.
Software Development Review from Philipe Araujo
We have had a highly positive experience utilizing EffectiveSoft's staff augmentation services for our Business Analyst and Quality Engineer needs. The professionals provided were not only highly skilled and knowledgeable but also integrated seamlessly with our existing team, requiring minimal ramp-up time. Their expertise in their respective fields significantly enhanced our project's efficiency and overall quality. We confidently recommend EffectiveSoft for any organization seeking top-tier talent to augment their teams and drive successful project outcomes.
Software Development Review from Sasja Ihn Christensen
Maersk Broker is pleased to provide this reference letter for EffectiveSoft, our trusted collaborator for complex web projects. From the initial stages of our projects, the team at EffectiveSoft demonstrated a deep understanding of our requirements and have been apro-active part of any problem-solving process. The team of offshore developers has been well-run through their lead developer, and we have only experienced a professional approach to our projects, as well as a pleasant and trust-based collaboration = between all members in the EffectiveSoft team and our own team. EffectiveSoft has furthermore proved to be highly flexible, adapting to our evolving needs and delivering reliable results under shifting circumstances and shifting priorities. They have furthermore been very quick to find and add the necessary resources to the team when needed, and we have only experienced professional and highly skilled consultants. This has also made on-boarding into projects faster and more efficient.In conclusion, it has been a pleasure working with EffectiveSoft, and I have no doubt that they will continue to be an asset to any collaborators in the future, adding value through their professionalism, dedication and understanding of business needs.
Techforce Global: Your partner for government custom software development, React Native development and more. Offering comprehensive services across industries with a global presence and a focus on scalable, intelligent solutions...
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Legal Review from Marc Bond
This company is [...] ignoring UK GDPR rules. (Verified via email)
Web Development Review from Mark Webster
Techforce working on the transition of our website name from Grande Exhibitions to Grande Experiences. The project involved the creation of a clone website where we could apply the new brand and update all content to reflect the name change before pointing the new and old domains at this new site. At the projects commencement, all details were scoped out and clarified to ensure that everything went according to plan. Through the entire project, Bhavin and the Techforce Team were professional,
Web Development Review from Fanny Gotschall
Bhavin is brilliant, and the project's success is largely because of his personal involvement. Over recent months, Fanny Gotschall Studios collaborated with Bhavin in the role of art director for one of its top Midwest clients. While the client had a clear creative vision, Bhavin and his team at Techforce Global consistently executed it to perfection. For every scope change, Bhavin had the appropriate team and ensured all parties were aligned. (Verified via email)
TekRevol is a globally recognized digital innovation company with 10 years of experience delivering high-impact mobile applications, AI-powered software, and scalable digital products. Every engagement begins with a clear roadmap, defined KPIs, and a commitment to measurable business outcomes...
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Mobile App Development Review from Aleksandra Puzyno I DYWIDAG Concrete
TekRevol did a great job with our app. They understood what we needed and finished everything on time. Working with them was easy and professional. I recommend them to anyone who wants a good app.
Web Development Review from Sidra Ansari
I recently collaborated with Tekrevol for the development and design of our marketing website, and the experience was outstanding. Their team showcased professionalism, creativity, and a deep understanding of web technologies. The communication was clear and effective, ensuring a smooth process from start to finish.The design and functionality of our website exceeded our expectations, making it not only visually appealing but also user-friendly and responsive across all devices. The project was delivered on time and within budget, reflecting Tekrevol's dedication to quality and client satisfaction.I highly recommend Tekrevol to anyone in need of top-quality web development and design services. Their expertise and customer-focused approach truly set them apart.
Mobile App Development Review from Sara Kraeski
TekRevol created a design aimed at enhancing the website's accessibility, with the anticipation of boosting traffic and conversion rate.Their team representative effectively communicated clear timelines and objectives. Notably, they exceeded expectations and delivered exceptional application development services. Their excellent communication and responsiveness played a vital role in the project's success.
As an AI software development company, we deliver production-ready AI features-copilots, document automation, knowledge assistants, recommendations, and voice agents-integrated into your apps to streamline workflows, enhance decision-making, and drive measurable business impact...
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UI/UX Design Review from Joe Anandarajah
We partnered with HyperSense through their TechBoost program, and they truly impressed us with their deep understanding of our business needs. They provided invaluable support with our marketing, website, and product UI/UX, which has resulted in significant traction with both customers and investors. As we continue to grow and develop our product, we look forward to working with them again. The HyperSense team is highly skilled, reliable, and trustworthy. We highly recommend their services.
UI/UX Design Review from Ele Munjeli
My experience with Hypersense came through their Techboost program for startups. I needed help to design a very complex UI/UX for a website dedicated to planning farm operations with agricultural robotics and other advanced networked devices. While I spent a considerable amount of time in the field gathering requirements, I felt overwhelmed by the implications of designing for such a complicated scenario. Hypersense came to the rescue and delivered a beautiful UI with a clear path for the users (farmers) to explore and develop advanced automation across crops and seasons. It took a lot less time than I expected; the team was engaged and asked all the right questions from the get go. That made it easy to let go and trust the pros at the agency with design decisions. As an engineer, I am one to have my hands on every part of my work, but in this case, I found, to my relief, I could just say: do what you think is best. As a result I learned a lot about my own application. The team did not just design wireframes - they designed elegant interactions and workflows that made sense. The UI prototype was styled as well, and the team provided terrific advice on how to upgrade the existing styles for my applications to give them better web appeal and usability. The resulting design is expressive, engaging and inspired. Hypersense provides service that was more than professional - it was personal. I came away from the work with a better sense of what I am building, how to build it, and how the application will be used. I highly recommend Hypersense and will work with them again whenever I have the opportunity.
Cross-Platform Review from Jessica Queen
HyperSense developed a command dashboard for a new wireless medical monitoring device Omedus is creating. Their professionalism and dedication to the project were wonderful. The figma demo they created exceeded our expectations and we have had significant increase in product interest after using their demo with our customers. Omedus would absolutely recommend them for other companies and we plan to continue to engage their services for our own.
4Experience is a team of professional developers, artists, managers and business specialists who can extend your team or independently deliver custom-tailored solutions. We will develop your project from scratch and assist you in its implementation...
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VR/AR Review from Wojciech Pander
AR4vision remote assist is an application for mobile devices with the system Android or IOS. We hired 4Experience to create wider functionalities - the hologram tools on the transmitted image. Moreover, the possibility to “freeze” the video in the field of view of the user’s glasses was required. The most unique about the cooperation was the feeling that we work as one team. 4Experience developers are not afraid to face challenges. They often suggest possible solutions and share their knowledge.
VR/AR Review from David Wolski
4Experience has developed 7 game characters for HTC Vive, according to our specification. Their ability to work effectively was impressive. We finished the project faster than we initially thought. Thanks to efficient communication, they introduced changes on an ongoing basis, they were also able to advise perfectly. They worked effectively, efficiently, and transparently throughout the engagement.
Keith Hurley's Review Sourced from Google
Simply the best remote contract developer team I've ever worked with. Hard working, professional, personable and all-around creative problem solvers.
CIDT builds blockchain, Web3, and SaaS products from concept to launch. We combine startup agility with enterprise - grade engineering to deliver secure, scalable, and transparent solutions fast and within budget...
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Web3 Development Review from Ihor Palteka
We worked with CIDT on building a web3 tax module for our platform. The team created the full backend: blockchain data processing, NFT and DeFi event detection, VAT logic, and reporting. Communication was easy, and we always talked in Slack with regular Zoom calls to check progress. The system works stable and fits well into our product. We had some extra design iterations, but the team handled them quickly. Overall, it was a good and smooth cooperation, and we are happy with the final result.
Web3 Development Review from Dan Baryshnyk
Working with Consider It Done Technologies has been an outstanding experience. Their team helped us turn the idea of TradeVibe into a fully functional validator and staking automation platform. They managed the entire process - from product architecture and design to backend development and DevOps - with impressive technical precision and attention to detail.
Blockchain Review from Hanna Korovianska
We partnered with CIDT to integrate a cryptocurrency payment module into a custom eCommerce platform we were developing for one of our clients. Our goal was to add a secure and seamless crypto payment option without disrupting the existing checkout flow.The CIDT team handled everything related to blockchain integration from wallet connections and smart contract setup to documentation and testing. Their work was well-structured, efficient, and fully aligned with our development process.A special mention goes to Ramil, CIDTs CTO, whose technical expertise and leadership were outstanding. He guided our team through the blockchain-specific parts of the project, explained complex concepts in simple terms, and helped ensure that the solution was both reliable and easy to maintain.All milestones were delivered on time, communication was smooth, and the final integration performed flawlessly. Within the first three months after launch, over 3% of transactions were completed via crypto payments, with a higher average order value than traditional methods.Overall, working with CIDT was an excellent experience. Theyre a professional, knowledgeable, and trustworthy team, and we look forward to future collaborations.
Empeek helps Healthcare and Life Science companies break down the growth barriers and become freer, more successful, and competitive...
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COAX Software delivers smart software solutions for travel, transport & logisticsconnecting strategy, delivery, and growth to ship reliable, scalable, ROI-positive software...
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Intersog stands as a top ASP.NET development company, offering dynamic web apps and services from Chicago and around the globe for over 18 years. We provide a seamless hiring process, presenting you with our finest developers for tailored solutions. Quality and speed define our approach, ensuring your product...
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Election Justice USA's Review Sourced from Google
This company built our new website and we are excited to continue to do work with them. They care about this world and the people in it!
Edward Ossawa's Review Sourced from Google
Intersog built my hybrid mobile application some time ago and I'd highly recommend it to others as they're a truly reliable provider. What's more important - they don't just code like many other vendors, but provide clear guidance on how to market and succeed with your app solution!
Atomic Object is a top-rated custom software design and development consultancy. Our co-located, U.S.-based team works with executives to improve their bottom line by delivering new products, enhancing existing products, modernizing legacy products, and integrating AI into their software systems...
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Consumer IoT Review from Mason Ferlic
GripFusion is a sports technology startup developing Tactile Intelligence. Our flagship product, the ForceBall, is the first grip-sensing baseball. We approached Atomic Object with the challenge to build a React Native iPad app to connect with the embedded electronics over BLE and visualize sensor data in real time. Atomic stepped up to the plate and hit a home run! They took early R&D code and we're able to successfully navigate IoT challenges, large amounts of sensor data, and seamless UX. The developer team worked closely with our technical staff to incorporate evolving firmware and hardware improvements. The design team did hundreds of hours of user discovery and product feedback to ensure we deliver a cutting-edge experience. Overall, Atomic has the breadth and depth to tackle complex hardware-software systems.
Daniel Schoonmaker's Review Sourced from Google
Atomic Object is one of the best companies across the board in Michigan. Fantastic maker of custom-software solution and a model of organizational thought leadership. I've been working with the company in some capacity for nearly 20 years and learn something new in every interaction I've ever had.More than that, they are a value-centered organization that you will be proud to partner with. They've built this company the right way. An impactful community leader and employer of choice.
Rik Cordero's Review Sourced from Google
As a freelance Video Producer, I recently wrapped up another fun project with the folks over at Atomic Object, and I've gotta say, it was an experience worth mentioning. Collaborating with their marketing team on a series of authentic and engaging customer-facing and internal videos was nothing short of fantastic. Their seamless planning and logistics during pre-production, coupled with easy going personalities during production, made the process a breeze. Post-production brought our collective vision to life with meticulous story editing and videos that reflect their unique culture and values. Their team's dedication to kindness, empathy, and diversity made this collaboration not just successful, but truly enjoyable.
Clique is an award-winning team of digital strategists, designers, and engineers. We help companies define and express their brand through engaging websites that position them to stand out amongst the competition. From startups to fortune 500s, our work turns heads and grows businesses...
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Ali Washington's Review Sourced from Google
My husband and I own a start up and have worked with Aly, Justin, and Austin at Clique for a complete rebranding and website redesign and are now working with Jeff for continuous marketing and managing our ad spend. I can’t say enough good things about this team and this company. They are creative, innovative, dedicated, and they CARE. They treat our business as their own, asking thoughtful questions and guiding us through our growth. Our new site visits have conversion rates have skyrocketed, doing daily numbers that our old site and unstructured marketing did in months. I can’t say thank you enough to this team.
Amber Fochi's Review Sourced from Google
Great to work with. Delivered what we needed even though the solution was outside of the box. Creative thinkers. Went above and beyond... Plus genuinely thoughtful and fun people.
Jean Cannon's Review Sourced from Google
I was referred to David by a good friend and I'm glad I chose to go with work with him. He is very professional and hard working and will get the job done to your satisfaction. He's very attentive and will do whatever it takes to get the job done in a timely and professional matter.Will come back again!Thanks David !
At Hidden Brains, we specialize in delivering state-of-the-art solutions meticulously tailored to our clients' specific requirements. Our comprehensive services include software development, IT consulting, wearable app development, and digital transformation, among others...
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Mobile App Development Review from Manu Prakash
What impressed us the most about Hidden Brains was their level of professionalism and attention to detail. They went above and beyond to ensure that we were satisfied with every aspect of the project, from the initial planning stages to the final deliverables. Hidden-brains's team was not only knowledgeable and experienced, but also creative and innovative in their approach. They were able to come up with unique solutions to our business needs that we hadn't even considered before.Additionally, Hidden Brains was always responsive to our needs and concerns and took the time to explain technical concepts in a way that we could understand. Overall, we were extremely impressed with Hidden-brains's professionalism, creativity, and commitment to delivering high-quality work, and we would highly recommend them to anyone looking for a reliable and innovative technology partner.
Software Development Review from Johann van der Merwe
Hidden Brains has been diligent in understanding the scope of our project, and theyve been able to show their knowledge about our project through their proposal. In addition, theyre invested in our project
Manoj Mishra's Review Sourced from Google
Working in HB from last 17 Years and more to come........... 😃 Seventeen years of innovation and dedication: crafting solutions, shaping futures, and growing together in one remarkable in My HB journey.
At Eight Bit Studios, we specialize in mashing up research, design, and code in playful and savvy ways. Our nimble and diligent guild of developers, project managers, QA engineers, visual designers, and user experience designers work together to shape the digital products and services people love to use...
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Our mission as a software development company is to provide business with the best technological solutions on the market. All our solutions are tailored to the client's needs. Depending on the stage of the project we can improve your existing product or create from scratch. We know that communication is...
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With HR Tech, FoodTech, And Software Solutions, Captivix helps companies transform their business through advanced digital solutions. We provide the strategic insight, technical expertise, and industry experience of working with over 100 clients, including many Fortune 500 companies...
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A custom software development company called VILMATE helps clients in the EU and the US create high-performing technology organizations and software...
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Мария Плотникова's Review Sourced from Google
I wouldn’t wish anyone to be their neighbors! They don't take into account that their office is located in a residential area. They turn on music after 22.00 and yell at the whole area... It’s summer, you can’t close the window!
We are a blockchain development company with a concentration on enhancing your business value with the increase in sales, revenue, community trust and efficient user-experience with ultimate applications...
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React, Node.js, PHP, and React Native for cross-platform mobile development are our main technologies. We have extensive knowledge of almost all of Amazon Web Services' features, including AWS Fargate, AWS Lambdas, and many others...
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ITExpertUS Inc. a high-performance global software solution company, was established in the year 2017 Headquartered in Chicago IL USA, located globally with onsite and offshore development centers in Chicago, Mohali and Bangalore in India and strategic sales centers in Singapore, Malaysia, Dubai and Toronto...
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Ankit's Review Sourced from Google
I recently found ITExpertUS and gotta say, I’m super impressed! The site is easy to use and packed with awesome IT services—perfect if you need tech support, web dev, or digital solutions. They keep things simple, professional, and easy to understand, which is a huge plus. The team knows their stuff, is super quick to respond, and really helpful—like having a tech buddy you can count on. Whether you’re a small biz or just need help with IT projects, def check them out. Amazing service and great vibes all around. Totally recommend! 👍
Aqeel Ahmad's Review Sourced from Google
I'm extremely Happy with the designing services been offered by ITExpertUS it was such an impeccable deal to have it.
Vault Innovation Group is an award-winning digital solutions agency headquartered in Chicago, dedicated to building technology that drives growth.We specialize in custom software development and digital product innovation, helping organizations transform ideas into scalable solutions. From startups looking to...
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Mofcpd's Review Sourced from Google
Jeff, Laura, Jess and Andrew have all been amazing to work with on our project. Extremely professionals from the start that listen, take good feedback and brought our vision to life. We would highly recommend them! They didn't just pitch us on their services. They really sat down with us to understand our goals multiple times before starting to execute a plan. Bravo!
Kimbery Foley's Review Sourced from Google
Vault Innovation Is The Only Company We Use For All Our Signs! They Created Custom Signs That Exceeded Our Expectations!Laura Is So Wonderful And The Team Are Quick To Respond And Quick To Production. HIGHLY Recommend!!
Jarrod Lewis's Review Sourced from Google
5 Stars just isn't enough. This company delivered such phenomenal service and flawless product that I can't rave about them enough. I had a consultation with Jeffrey Dirrenberger, the owner of Vault Innovation. He was 100% transparent about everything from pricing, deadlines and quality expectations. His team, consisting of Lauren Crossan, Andrew Radocchia, Jennifer DeLaRosa & Jessica Pitta were hands on with creative concepts, market strategies and future planning. I am beyond satisfied with the results and look forward to working more with this team in the future.
We have extensive global resources, deep industry, business process, and technological expertise, as well as a track record of producing uplifting success tales for businesses all over the world...
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UDIT CHIKAR's Review Sourced from Google
Being part of this team has been an awesome experience. From day one, I felt welcomed and supported. The projects we work on are cutting-edge, especially in healthcare and mobile app development, and there's a real sense of purpose behind everything we do. The leadership values new ideas and encourages growth, which makes it a great place to build your career. Honestly, it’s the best custom software development company in Chicago to work for if you're passionate about tech and making a difference.
Mansi Sharma's Review Sourced from Google
I’ve been part of this company for a while now, and it’s been an amazing journey. The environment is fast-paced but supportive, and there’s always something new to learn. We work on impactful projects, especially in the healthcare space, which makes the work feel meaningful. The leadership is approachable, and there’s a strong focus on innovation and quality. Proud to be part of what I truly believe is the best custom software development company in Chicago.
Kuldeep Singh's Review Sourced from Google
Working here has been a truly rewarding experience. The team is talented, collaborative, and always pushing to stay ahead with new technologies. What I appreciate most is the company’s focus on both employee growth and delivering real value to clients — especially in the healthcare space. There's a strong sense of purpose in the work we do. Without a doubt, this is the best custom software development company in Chicago for anyone looking to grow their skills and be part of meaningful projects.
The Office of Experience (OX) is a Chicago-based digital agency helping ambitious B2B companies outperform their peers. At the intersection of customer experience, marketing, and technology, OX unites strategy, design, and engineering to transform how companies connect with customers. Capabilities span B2B...
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Michelle t's Review Sourced from Google
If you are looking for an amazing digital team, these are your people! True professionals and a blast to work with!
Ashley Freeland's Review Sourced from Google
Such an awesome time. They did a great job with the details. Take your time going through so you don't miss something.
At Stretch PR, we set goals and we achieve them stretching to deliver results beyond expectations. We do this by developing creative strategies that garner attention, setting goals, executing flawlessly and measuring results...
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ELEKS builds custom enterprise software across fintech, healthcare, energy, and logistics, with 1,000+ projects delivered over 30 years. It serves Fortune 500 companies and names like DPD and Drax. The software development firm is best for mid-to-large enterprises needing complex software development...
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Software Development Review from John Armstrong
ELEKS was able to take our vision and help us deliver an app that empowers retail shareholders to make their voices heard. They’ve brought a depth and breadth of technical expertise and user experience design to challenge us on our assumptions on how people would want to interact with the app. From a mobile development perspective, we wanted to go to market with both an Android and an iPhone simultaneously.
Software Development Review from Mark Battcock
We are very happy with our ELEKS partnership; the dedication of the team is exceptional. We would certainly recommend ELEKS and would be happy to work with them again. In fact, they continue to be our partner for the 2nd phase of the CDX project to add even more customer services to the website.
Software Development Review from Huntly Christie
What impressed me about ELEKS is the culture. There is a very strong culture of discipline and performance, and software is a profession where discipline is very important. Good software development can only happen with a strong work ethic, and I think the ELEKS team really understands that.
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