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.

Best Illinois Software Development Firm Rankings

10 Companies - Rankings updated: September 03, 2026

Each agency undergoes DesignRush evaluation for professional expertise and genuine client satisfaction to assist your search. Some featured placements are paid.

Expertise
Real Estate
$10,000 - $25,000
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  • Plego

    Shaping the Future of Technology

    When enterprise clients need scalable custom platforms, Plego builds web, mobile, and AI solutions using React, Node.js, Python, and .Net. Founded in 2002 and headquartered in Chicago, the firm has delivered software for Apple TV+, NBCUniversal, Google, Fitbit, and Berkshire Hathaway across eCommerce, ERP...

    Top Services:

    • Web Development
    • eCommerce Development
    • Software Development
    • Web Design
    • AI Development
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $105/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    13 Projects Listed

    Plego Services

    • Web Development
    • eCommerce Development
    • Software Development
    • Web Design
    • AI Development
    • Mobile App Development
    • ERP Consulting
    • Staff Augmentation
    • IT Services
    • CRM Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Apple
    • Google
    • Samsung
    • Comcast
    • Intel
    • Thomson Reuters
    • BHHS
    • Fitbit
    • Motorola
    • Sony
    Data sourced from the agency's DesignRush profile

    Plego Reviews & Testimonials

    • Undisclosed
      Undisclosed Owner at GM Lighting
      5.0 ★

      Web Development Review from Undisclosed

      Plego team is extremely knowledgeable and helpful, it is a delight to work with them. If you’re in search of a reliable, innovative company, look no further than Plego. They took the time to understand our specific needs and provided a tailor-made solution that greatly improved our website. We highly recommend this business.

    • Theodore Patestos
      Theodore Patestos CEO & Founder at Tiger Adjusters
      5.0 ★

      Software Development Review from Theodore Patestos

      We’ve worked with Saad and his team for close to a year now. They’ve been diligent throughout the process, responsive and communicative. They came in mid-stream to save the project from another development team that didn’t live up to their commitments. I would highly recommend Plego to any company looking to see things move forward on a stalled project or looking for a team that will jump in and start to get things done.

    • Tyler Tomlinson
      Tyler Tomlinson Technology Team Lead at ESCO Institute-HVAC Excellence
      5.0 ★

      Web Development Review from Tyler Tomlinson

      Saad and his team were a great group of people to work with. Our scenario was probably unique to this group, and they tackled the project with a full head of steam and with no hesitation. It has been a pleasure working alongside his team.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.9 4.9 (13)
    4.9 4.9 (11)

  • Unico Connect

    Verified Verified by the DesignRush team for authenticity and credibility. Award Winner Recipient of a Best Design Award for outstanding work.

    Your AI-Native Technology Partner

    Unico Connect is a custom software development firm empowering startups and enterprises to build scalable, future-proof apps. Leveraging NoCode, AI, and full-stack expertise, we deliver fast, innovative solutions that drive growth across industries worldwide. Let’s build your next breakthrough together...

    Top Services:

    • AI Development
    • Mobile App Development
    • Software Development
    • Web Development
    • Staff Augmentation
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    50 - 99
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    14 Projects Listed

    Unico Connect Services

    • AI Development
    • Mobile App Development
    • Software Development
    • Web Development
    • Staff Augmentation
    • DevOps Consulting
    • Big Data Analytics
    • Cloud Consulting
    • UI/UX Design
    • Web Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Highlands Charter School
    • AO Foundation
    • abc carpet & home
    • StayVista
    • Deep Meditate
    • FranchiseLab
    • Futwork
    • Alt Codes
    • Ecomm Pulse
    • Worxogo
    Data sourced from the agency's DesignRush profile

    Unico Connect Reviews & Testimonials

    • Shifa Sutar
      Shifa Sutar Marketing at Blix
      4.5 ★

      Web Development Review from Shifa Sutar

      We had a great experience working with Unico team for our Google Workspace migration and account setup. The entire process was smooth and well-managed. The team was extremely supportive, responsive, and guided us at every step, making what could have been a complex transition feel effortless. Highly recommend their services.

    • Heta Patel
      Heta Patel Expansion Head at The Blue Kite
      4.8 ★

      Website Redesign Review from Heta Patel

      We engaged with Unico for website design and front-end coding for the same. It was a good experience overall. Initially we faced some issues which were resolved and the team mates for coding were great, had good knowledge and were able to deliver as per our expectations.

    • Hrishabh Sanghvi
      Hrishabh Sanghvi Founder & CPTO at Railofy
      4.7 ★

      Web Development Review from Hrishabh Sanghvi

      We have been working with Unico for over 5 years now. Very happy with their services and responsiveness. They are very customer-centric in their approach. We moved away from a larger firm to Unico, since this mid-size has a very cooperative engagement which worked well for us. Recommend them to anyone in Seed to Series B stage.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.9 4.9 (30)
    4.4 4.4 (53)

  • Tech Gropse

    Next-Gen Apps for Next-Gen User

    Passionate about crafting innovative digital solutions, TechGropse is a leading technology firm that specializes in mobile app development, web development, and emerging technologies. Our commitment to excellence, creativity, and client satisfaction sets us apart...

    Top Services:

    • Mobile App Development
    • Web Development
    • Software Development
    • AI Development
    • IoT
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    23 Projects Listed

    Tech Gropse Services

    • Mobile App Development
    • Web Development
    • Software Development
    • AI Development
    • IoT
    • eCommerce Development
    • Blockchain
    • IT Services
    • Web Design
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • WASPHA
    • BBT
    • Ajerli
    • Stages Commercial Company
    Data sourced from the agency's DesignRush profile

    Tech Gropse Reviews & Testimonials

    • Uwesh Malik
      Uwesh Malik Operations Manager at Travel Kingdom at Travel Kingdom
      5.0 ★

      Web Development Review from Uwesh Malik

      I am thrilled with the exceptional service provided for our travel website development. The team demonstrated incredible expertise and creativity, delivering a user-friendly, visually stunning, and highly functional website tailored to our business needs. Their attention to detail, seamless communication, and on-time delivery truly impressed us.

    • Piyush Handa
      Piyush Handa Managing Director at Pro Classy
      5.0 ★

      eCommerce Development Review from Piyush Handa

      In my review of TechGropse Pvt. Ltd., I highlighted their exceptional performance in developing the Pro Classy website. Their expertise in creating a responsive and user-friendly site stood out, showcasing their technical skills and understanding of our needs. I appreciated their efficient project management, which ensured that all deadlines were met and deliverables were on time. The value for money was clear, as the quality of the work surpassed expectations. Overall, the smooth collaboration and effective results led to a highly positive experience, making TechGropse a recommended choice for web development projects.

    • Mustakim Saifi
      Mustakim Saifi Account Manager at Akasa Finance
      5.0 ★

      Web Development Review from Mustakim Saifi

      I recently had the pleasure of working with TechGropse for our company's website development, and I must say, they exceeded our expectations. From the very beginning, the team was highly professional. Their expertise in web development is truly impressive. If you're looking for a reliable and skilled web development partner, I highly recommend TechGropse. They are a team of true professionals who are committed to delivering top-notch results. We look forward to working with them again on future projects!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.9 4.9 (24)

  • Honeycomb Software

    We build software products that stand out

    Honeycomb Software is an IT Consulting and Software development company serving clients since March 2015...

    Top Services:

    • Software Development
    • Web Development
    • AI Development
    • Mobile App Development
    • Web Design
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    50 - 99
    Average Hourly Rate
    $36/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    14 Projects Listed

    Honeycomb Software Services

    • Software Development
    • Web Development
    • AI Development
    • Mobile App Development
    • Web Design
    • Software Testing
    • IT Services
    • Business Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • IT Industry
    • Financial Industry
    • Healthcare Industry
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • Debut Infotech

    Verified Verified by the DesignRush team for authenticity and credibility.

    AI-Powered Innovation, Delivered

    Debut Infotech is a leader in advanced technological solutions, specializing in AI, Blockchain, Smart Contracts, IoT, and mobile and web development...

    Top Services:

    • AI Development
    • Web Development
    • Blockchain
    • Mobile App Development
    • Software Development
    • Show more
    Location
    Springfield, Illinois
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    17 Projects Listed

    Debut Infotech Services

    • AI Development
    • Web Development
    • Blockchain
    • Mobile App Development
    • Software Development
    • Software Testing
    • Cloud Consulting
    • Business Consulting
    • IT Services
    • Wearables
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Nordic Strong
    • WellPoP
    • Aithentic
    • NDAX
    • PRC Coin
    • P2B
    • Best Western
    • Unique School
    • Integra Ledger
    • Friendspire
    Data sourced from the agency's DesignRush profile

    Debut Infotech Reviews & Testimonials

    • James Carter
      James Carter Review from Google
      5.0 ★

      James Carter's Review Sourced from Google

      Our company aimed to launch a trading platform but struggled with security planning and system performance. Debut Infotech supported us with crypto exchange development services using Node.js, blockchain integration, and secure wallet APIs. Their solution helped us deploy a stable exchange environment with improved transaction handling.

    • Andrew Ethan R.
      Andrew Ethan R. Review from Google
      5.0 ★

      Andrew Ethan R.'s Review Sourced from Google

      Debut Infotech efficiently addressed the performance and scalability challenges in our mobile app. They quickly diagnosed the issues and delivered a stable solution using up-to-date development tools. The project was completed on time with clear communication throughout.

    • Blunt David
      Blunt David Review from Google
      5.0 ★

      Blunt David's Review Sourced from Google

      I had the pleasure of working with Debut Infotech for DeFi development, and I am extremely satisfied with their expertise and service. Their team utilized a comprehensive suite of tools, including smart contract generators, DeFi protocol integrators, and liquidity pool management tools, all of which streamlined the development process. They not only helped us build secure and scalable decentralized finance solutions, but also provided automated yield farming and staking platforms that significantly boosted user engagement. Their focus on security, with built-in auditing tools, gave me confidence throughout the project. I highly recommend Debut Infotech to anyone looking for reliable, efficient, and innovative DeFi development.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    5.0 5.0 (17)

  • The App Founders

    Software, Mobile App, Games Development Company.

    The App Founders is a recognized leader in the mobile app development industry that excels in building mobile apps to upscale your business and bolster your customer retention rate. Well transform your idea into a market-ready application on schedule and within budget...

    Top Services:

    • Mobile App Development
    • Software Development
    • eCommerce Development
    • Product Design
    • CRM Consulting
    • Show more
    Location
    Niles, Illinois
    Number of Employees
    100 - 249
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    16 Projects Listed

    The App Founders Services

    • Mobile App Development
    • Software Development
    • eCommerce Development
    • Product Design
    • CRM Consulting
    • ERP Consulting
    • VR/AR
    • Blockchain
    • Cloud Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Airhme
    • Bally
    • Rideo
    • Your Wish On
    • Dragon Force Ninja
    • Tamkeen Care
    • Color Jumper
    • Stacker Cracker
    Data sourced from the agency's DesignRush profile

    The App Founders Reviews & Testimonials

    • Dustin Wheeler
      Dustin Wheeler Review from Google
      5.0 ★

      Dustin Wheeler's Review Sourced from Google

      it was such a pleasure working with App Founders and just how easy and professional they were. I quickly realized how the industry is full of thirsty, needy bots and scammers I’m trying to get your attention, but tons of unsolicited phone calls and texts. Dealing with these guys was a breath of fresh and definitely showed up in value above all the rest.

    • Munna Alam
      Munna Alam Review from Google
      5.0 ★

      Munna Alam's Review Sourced from Google

      Got to say, The App Founders really impressed me! They totally nailed the design for my mobile game. Can't wait to team up with them again to make and promote the game. Definitely recommending them to anyone looking for top-notch game development services!

    • berry paul
      berry paul Review from Google
      5.0 ★

      berry paul's Review Sourced from Google

      The App Founders is able to develop console games and deliver them on time. I have worked with them for a year now and they have never missed a deadline, which is important to me as a developer. The team is friendly, knowledgeable and always willing to help if you need anything.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.1 4.1 (9)

  • Arccus

    Promising diverse capabilities

    Arccus is a leading digital agency delivering cutting-edge mobile apps, responsive websites, custom ERP solutions, and AI-driven automation. We partner with startups, enterprises, and governments to design and build scalable, smart technology that drives growth and digital transformation...

    Top Services:

    • Mobile App Development
    • Web Development
    • AI Development
    • Software Development
    • VR/AR
    • Show more
    Location
    Naperville, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed

    Arccus Services

    • Mobile App Development
    • Web Development
    • AI Development
    • Software Development
    • VR/AR
    • Staff Augmentation
    • IT Services
    • ERP Consulting
    • Web Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Pick Up My Laundry
    • STQRY
    • Cre8tive Devs
    • Askyoo
    • Aapka Painter
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • Improving

    Leading Technology Partner Fortune 500 Enterprises Trust to Build, Modernize, and Scale Globally

    With 2,500+ consultants across the US, Canada, Latin America, and India, Improving puts experienced technologists in your market, not just on your project. Our teams understand the regulatory landscape, industry norms, and technical expectations of the markets you serve...

    Top Services:

    • IT Services
    • Software Development
    • Cloud Consulting
    • DevOps Consulting
    • Managed Services
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $10,000 - $25,000

    Improving Services

    • IT Services
    • Software Development
    • Cloud Consulting
    • DevOps Consulting
    • Managed Services
    • Big Data Analytics
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Integra Connect
    • Westfield Insurance
    • Collision Auto
    Data sourced from the agency's DesignRush profile

    Improving Reviews & Testimonials

    • anurag kumar
      anurag kumar Review from Google
      5.0 ★

      anurag kumar's Review Sourced from Google

      Proud to be a part of Improving, building Trust with our clients, partners and employees, serving the best IT experience in our industry

    • Tim Dickey
      Tim Dickey Review from Google
      5.0 ★

      Tim Dickey's Review Sourced from Google

      Improving is one of the most innovative consulting firms in the digital services industry to work with.

    • Rob Mapes
      Rob Mapes Review from Google
      5.0 ★

      Rob Mapes's Review Sourced from Google

      Improving allows several MeetUp groups to use their conference rooms in the evenings. And Improving is always in the top level of reviews for best companies to work for in DFW.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.7 4.7 (49)

  • Digipie technologies

    We Aim for Innovation

    Digipie Technologies is a multinational software development firm specializing in website design, Mobile application development, Custom software development, maintenance, and digital marketing. We value creative thinking and innovative solutions, as well as customer-focused service and user-friendly design...

    Top Services:

    • Web Development
    • Web Design
    • eCommerce Development
    • Mobile App Development
    • Software Development
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000

    Digipie technologies Services

    • Web Development
    • Web Design
    • eCommerce Development
    • Mobile App Development
    • Software Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Next Health&Fitness
    • MAW Meals
    • Ardee Services
    Data sourced from the agency's DesignRush profile

    Digipie technologies Reviews & Testimonials

    • Michael Watson
      Michael Watson Review from Google
      5.0 ★

      Michael Watson's Review Sourced from Google

      Starting my business again I realized I needed to comeback more competitive. I was looking for app development. DigiPie Technologies walked me through the process, providing me insight that I had never imagined. The communication is tremendous. If I had an issue or question during the process, a conference call was scheduled within 24 hours. They work hard for the project. The project is almost complete, and I swear they are as excited as I am to roll it out. DigiPie Technologies are here to stay. I have more projects coming up and this is the company I will be working with.

    • We Are Hobbii LLC
      We Are Hobbii LLC Review from Google
      5.0 ★

      We Are Hobbii LLC's Review Sourced from Google

      We love DigiPie! We had a great experience working with them to develop our application and we will definitely be coming back to them in the future for more developments and updates! Great company that is easy to work with and has very fast response times!

    • Alex King
      Alex King Review from Google
      5.0 ★

      Alex King's Review Sourced from Google

      Digi Technologies have been fantastic for us! We have been extremely satisfied with their work and the turnaround that have on our mobile app. They have been nothing but cooperative and we feel as they will never back down from a task!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    5.0 5.0 (9)

  • Thirdwave

    Creating, Operating and Elevating Advanced Digital Experiences since 1997

    Founded in 1997 at the epoch of the Internet revolution, Thirdwave has grown to become one of Chicago's premier Web development shops. What makes us unique is that we grew in experience, not in size. From day one, our team has been geared for change. Our technical aptitude, aesthetic awareness and business...

    Top Services:

    • Web Design
    • eCommerce Development
    • WordPress Website Design
    • UI/UX Design
    • Software Development
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000

    Thirdwave Services

    • Web Design
    • eCommerce Development
    • WordPress Website Design
    • UI/UX Design
    • Software Development
    • Email Marketing
    • SEO
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Avison Young
    • Archdiocese of Chicago
    • Cummins Allison
    • MacArthur Justice Center
    • American University
    • Catholic Extension
    • Lyfebulb
    • Robert R. McCormick Foundation
    • American Dental Hygenists Association
    • Aids Foundation of Chicago
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile
    5.0 5.0 (4)

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