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.

ELEKS
VerifiedVerified by the DesignRush team for authenticity and credibility.ELEKS, a trusted partner for guaranteed software engineering excellence, quality, and transparency.
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...
Top Services:
- Software Development
- Mobile App Development
- Cloud Consulting
- Cybersecurity
- AI Development
- Show more
- Location
- Chicago, Illinois
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 12 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsELEKS Services
Data sourced from the agency's DesignRush profileAramex TAIT Acino GRTGaz Autodesk Blackboard Havas ESET Eagle teleologica
ELEKS Reviews & Testimonials

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.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsYour Product Engineering & Gen AI Partner
Simform is a premier AI-native digital engineering company specializing in Product Engineering, Agentic AI, Data, Cloud and Enterprise Transformation. We help enterprises and high-growth ISVs build sophisticated AI-integrated digital solutions and scalable platforms...
Top Services:
- Software Development
- Cloud Consulting
- AI Development
- Big Data Analytics
- DevOps Consulting
- Show more
- Location
- Chicago, Illinois
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 8 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsSimform Services
Data sourced from the agency's DesignRush profileSony Music (EMI) Pepsico Zep Inc Intralinks Nxt-ID FreeWire Inc Accent Inc Mission Rabies DoggyBnB Drizzle Labs
Simform Reviews & Testimonials

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.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsFUELING DISRUPTION
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...
Top Services:
- Software Development
- Mobile App Development
- Big Data Analytics
- AI Development
- ERP Consulting
- Show more
- Location
- Chicago, Illinois
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 29 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsEffectiveSoft Services
Data sourced from the agency's DesignRush profileCITY INDEX TruBridge CNote Plato Intelon Optics InCheq Nissin Foods Soutron Ltd. BullionRock InContinuum
EffectiveSoft Reviews & Testimonials

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.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsTechforce Global: Your Catalyst for Seamless Solutions
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...
Top Services:
- Software Development
- Web Development
- Mobile App Development
- IT Services
- Cloud Consulting
- Show more
- Location
- Naperville, Illinois
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $26/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 20 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsTechforce Global Services
Data sourced from the agency's DesignRush profileConscisys Calidatech Apexx Global Freeway Token The Jazz Kitchen Soladefy The Rare Antiquities Grande Experiences Leven Token iensure
Techforce Global Reviews & Testimonials

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)
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsYou Dream It - We Deliver It
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...
Top Services:
- Blockchain
- Software Development
- Mobile App Development
- UI/UX Design
- AI Development
- Show more
- Location
- Northbrook, Illinois
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 3 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsConsider It Done Technologies Services
Data sourced from the agency's DesignRush profileStangelove Talentum3 LandSlide Onino Genesis Block Emet
Consider It Done Technologies Reviews & Testimonials

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.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsThe Right Software Can Change Everything
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...
Top Services:
- Mobile App Development
- AI Development
- Software Development
- Web Development
- Product Design
- Show more
- Location
- Chicago, Illinois
- Number of Employees
- 100 - 249
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 1 Project Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsAtomic Object Services
Data sourced from the agency's DesignRush profileQuell NSF International Eaton Corporation Priority Health Ford Motor Company Cultural Intelligence Center Steelcase Drug Free Sport MedHub Domino's
Atomic Object Reviews & Testimonials

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.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsIt's time to get creative.
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...
Top Services:
- Web Design
- Digital Services
- Design Services
- Creative Services
- Software Development
- Show more
- Location
- Chicago, Illinois
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 11 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsClique Studios Services
Data sourced from the agency's DesignRush profileMcDonald's Northwestern University USA Volleyball Red Rocks Ampitheatre Bitly Go Grocer Denver Public Art Adler Planetarium IFANCA
Clique Studios Reviews & Testimonials
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 !
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsGlobal IT & Software Solution Company
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...
Top Services:
- Mobile App Development
- Software Development
- Software Testing
- Wearables
- CRM Consulting
- Show more
- Location
- Chicago, Illinois
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $25,000 - $50,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsTaction Software Services
Data sourced from the agency's DesignRush profileAirtel Today Docmate AHT (American Healthcare Technologies CRT Medical System
Taction Software Reviews & Testimonials
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.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsThe experience is the brand®
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...
Top Services:
- Digital Strategy
- UI/UX Design
- eCommerce Development
- Web Design
- Digital Marketing
- Show more
- Location
- Chicago, Illinois
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $175/hr
- Minimal Budget
- $25,000 - $50,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsOffice of Experience Services
Data sourced from the agency's DesignRush profileAMEX GBT Mack Trucks GEICO Nasdaq Medica HealthEquity Oscar Health Sunrise Senior Living VSP Global DDN
Office of Experience Reviews & Testimonials
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.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsFrom end to end: Strategies. Goals. Results.
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...
Top Services:
- Digital Marketing
- Content Marketing
- Social Media Marketing
- Public Relations
- Video Production
- Show more
- Location
- Chicago, Illinois
- Number of Employees
- Under 49
- Average Hourly Rate
- $250/hr
- Minimal Budget
- $25,000 - $50,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsStretch PR LLC Services
Data sourced from the agency's DesignRush profileMarsh Heritage Golf Group EWP Architects
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