Looking for a top C Sharp software development company in Chicago?

The programming language C Sharp (C#), is general-purpose and used for web and mobile apps. It has a number of advantages: It's object-oriented, has automatic garbage collection, functions across platforms, has backward compatibility, and integrates well with other platforms and services.

To assist you in your search for a partner, we’ve compiled this list of the top C# developers in Chicago. Browse descriptions, feedback, and awards to find which can best suit your company’s needs. If you need more support, tell us about your project, and we'll match you with recommended companies.

List of the Best Chicago C Sharp (C#) Software Development Companies

  • 1
    $5,000+
    50 - 249 Employees
    Chicago IL

    Liventus is an e-commerce company based in Northbrook, Ill., with additional locations in Chicago and Bengaluru, India. Founded in 2002, this company has a team of more than 50 employees. Services provided by Liventus include e-commerce development, custom software development, and IT strategy consulting for businesses of all sizes.

    Clients
    Now Health Group
    ParkerWhite Brand Interactive
    Industries
    Notable Project

    Liventus provides ongoing web and software development services for a creative agency. They built a complex backend system that helped to increase the client's conversion rate, as well as taking on a range of other development tasks to improve the client's online standing.

    "The results of their build were dramatic—the system increased the client’s conversion rate from <1% to over 40%." - Director of Digital Services, Creative Agency

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  • 2
    Undisclosed
    50 - 249 Employees
    Chicago IL

    Prime TSR is a boutique technology consultancy based in Chicago with a team of 34 experts. Since their founding in 2013, they have provided BI & big data consulting & SI, custom software development, and cloud consulting & SI solutions for clients ranging from startups to enterprises. They are familiar with cloud services such as AWS. Azure, and Google Cloud.

    Industries
    Notable Project

    Prime TSR redesigned a healthcare company's databases. Prime TSR utilized MySQL to update and integrate the new databases with the company's business processes, without much involvement from the company itself. They also integrated the company's custom software to access and manage the databases. The company is able to run operations with the new databases.

    "They’re familiar with the space, so they were able to integrate themselves within the organization. They provided subject-matter expertise and guided the project if they noticed a lack of a process." - Sr. Project Manager, Healthcare Company

  • 3
    $10,000+
    50 - 249 Employees
    Chicago IL

    Alligatortek is a software company headquartered in Chicago with an office in Oakbrook Terrace, Ill. Since 1993, their team of 59 has lent its services in custom software development, mobile app development, and cloud consulting & SI. They specialize in Azure, and have experience in working with frameworks such as .NET, AngularJS, and React Native.

    Clients
    Wrigley
    The Doan Group
    Leopardo Construction
    Notable Project

    A general contracting company subcontracted alligatortek to sync their employee information with their Active DIrectory. Alligatortek developed a system that automatically integrated the two systems togther, which allowed for simultaneous updates on both systems. It solved a large issue among the contractor's HR department.

    "Their customer service is excellent. Even after we went live, they were an email away if we wanted anything changed. They’d make the desired changes within 24 hours. It was refreshing to get such immediate attention." – Software Business Analyst, General Contracting Company

  • 4
    $10,000+
    10 - 49 Employees
    Chicago IL

    MXOTech is a software development and IT services agency based in Chicago. Established in 2005, they have 29 employees, who provide services like custom software development, IT managed services for their software platforms, and IT strategy consulting.

    Clients
    Fairlife
    American Dental Association
    Illinois State Board of Investments
    Industries
    Notable Project

    MXOTech developed a web management portal for a health insurance company. The client needed an updated platform for healthcare providers and a new case management system to maintain compliance with a regulation board, and had worked with MXOTech successfully on previous projects. MXOTech delivered an enterprise-grade healthcare platform and manages its network hosting; the client especially appreciated their flexible and responsive approach to development.

    "MXO is flexible and personable. Their CEO is hands-on and makes sure our needs are being met. She’ll sometimes call me up and take me to lunch to discuss the partnership and any improvements MXO can make. The whole organization is like that." — Director of Network Programs, Insurance Firm

  • 5
    $100,000+
    10 - 49 Employees
    Chicago IL

    Tandem (formerly DevMynd) is a strategy, design, and technology company headquartered in Chicago. The company was founded in 2010 and has 37 employees. They work with both mid-market and enterprise businesses. The businesses they work with represent a variety of industries including health care and medical, education, and energy and natural resources. 
     

    Clients
    Major League Baseball
    IBM
    The University of Chicago
    Department of Defense
    Industries
    Notable Project

    Tandem provided design research and application development for a telecom company. The client’s technical competencies did not match their customers’ requirements, so Tandem helped the client find a customer-based solution. The company is working with the client to deliver, design and develop the product. The client has been satisfied with the company’s services and processes.

    “They’ve proven themselves with their methodologies that fill gaps by finding repeated patterns.” — Manager, Telecom Company
     

  • 6
    $75,000+
    50 - 249 Employees
    Chicago IL

    Hatchworks Technologies is an Atlanta-based digital technology services firm that was founded in 2016. Currently, their team includes about 18 employees. Hatchworks Technologies provides custom software development, BI & big data consulting & SI, cloud consulting & SI, mobile app development, AI, and IoT development.

    Clients
    AT&T
    Nokia
    Charter Communications
    Industries
    Notable Project

    A consulting firm wanted to break off part of the company and create a healthcare startup. Hatchworks Technologies conducted thorough market research to get a clear sense of how best to create a prototype. Ultimately, the team completed the entire development of the final site in PHP and node.js, which is hosted on AWS.

    "Hatchworks Technologies is one of the best companies I’ve ever dealt with. They are very receptive and are able to understand what I—someone without a lot of technical experiences in this field—say and distill it down to a meaningful level for the programmers and developers." — Partner, Consulting Firm

  • 7
    $50,000+
    10 - 49 Employees
    Chicago IL

    Spark Equation is a software engineering company headquartered in Chicago, with additional offices in Saint Petersburg and Krasnoyarsk, Russia. Founded in 2014, their team of 24 experts provide custom software development, mobile app development, and web development to their clients. 
     

    Clients
    Shiftgig
    Echo Global Logistics
    BookedOut
    Progress Retail
    Notable Project

    Spark Equation provided IT services and web development for a professional education platform. Using .NET and Angular, they upgraded their client’s platform and migrated the system from AWS to a Microsoft Azure cloud. The client was able to see business growth after the implementation of the improved platform.

    “In the past six months, we’ve doubled our business from the previous 12 months. That has a lot to do with us being more confident in what we’re selling and featuring in our demos. A significant amount of that success can be attributed to Spark Equation.” – CEO, Professional Education Platform
     

  • 8
    $50,000+
    250 - 999 Employees
    Chicago IL

    Surge Software is a software development agency headquartered in Bellevue, WA, with other offices in Sacramento, CA, Baltimore, MD, and Salt Lake City, UT. The agency of 160+ employees provides custom software development, web development, mobile app development, and e-commerce development services.

    Clients
    Ralph Lauren
    Verizon
    UnderArmor
    Purdue University
    Industries
    Notable Project

    A consulting firm hired Surge Software for web development and UX work. The agency provided staff augmentation across different platforms. The consulting firm felt that Surge was responsive and that its work has been extremely valuable to the company. 

    "I’m comfortable in the knowledge that if issues arose with any team member, I could talk honestly with Surge and they would remedy the situation. Be open, articulate your goals, and they will work with you to provide solutions." – Director of Software, Management Consulting Firm

  • 9
    $10,000+
    10 - 49 Employees
    Chicago IL

    Chicago Software Solutions is a software development and consulting firm with just over 10 employees. The Chicago-based firm has been around since 2000 and has helped various sized clients in different industries with their web development, software development, and mobile app development needs. 

    Clients
    Pendragon;Forms Manager
    InvestToday
    CMSPro
    BarKeeper Pro
    Industries
    Notable Project

    A waste management group hired Chicago Software Solutions to build a custom software solution so all 4 of their core processes could be managed using the same interface. Chicago Software Solutions built a web-based platform and an Andriod app to address this project. The staff is grateful for the app because it helps streamline all their work. The program has proven to be a great investment for the group. 

    "What I like the most is I am not afraid to present an idea to them. [Chicago Software Solutions] are not going to shoot me down and tell me that it won’t work, but instead, give me suggestions based on them knowing what our business needs are." – Office Manager, Waste Management Group

  • 10
    $50,000+
    10 - 49 Employees
    Chicago IL

    TangoCode, founded in 2015, is a woman-owned custom development company. The company is headquartered in Chicago, with additional offices in Montevideo, Uruguay, and Cuenca, Ecuador. Their team of 41 employees specialize in custom software development, mobile app development, and AI. They work with mid-market and small businesses that are mostly in the advertising & marketing, financial services, and automotive industries. 
     

    Clients
    Barnes & Noble
    Aprimo
    RentPath
    Industries
    Notable Project

    TangoCode did mobile app development for an arts and social impact nonprofit. The client needed a mobile app that would help promote their new initiative to a younger audience. TangoCode developed the app for iOS and Android, and they used TestFlight and Nevercode to test the app. The company has built a relationship with the client, and the client was happy with the app. 

    “Their team created really beautiful designs. They developed an app that is very much on brand, implementing our logos, colors, and patterns into the platform.”— Chief Communications Officer, Arts & Social Impact Nonprofit
     

  • 12
    $10,000+
    50 - 249 Employees
    Chicago IL

    8th Light is a software consultancy firm headquartered in Chicago, with other offices in Los Angeles, New York, and London. The agency and its team of 110+ has experience in web development, custom software development, web design, mobile app development, and cloud consulting.

    Clients
    Groupon
    Royal Academy of Arts
    NCSA
    LawVault
    Notable Project

    A ticketing agency hired 8th Light for app development. The app helped users get tickets to high-demand events easier. While the app hasn't officially launched, there has been successful reports and great feedback from a select few. 

    "They [8th Light] were great with collaborating on the right way for the project to be managed. I learned a lot from working with them." – VP Product, Entertainment Company

  • 13
    $10,000+
    10 - 49 Employees
    Chicago IL

    CSW Solutions is a solutions services company based in Chicago. Founded in 2005, they have about 20 employees that focus on middle-market companies and enterprises in the financial services, retail, healthcare, telecommunications, and manufacturing industries. They specialize in web development, custom software development, mobile app development, and IT managed services.

    Clients
    The Chicago Children's Museum
    The Swedish Covenant Hospital
    PayNet Inc.
    Industries
    Notable Project

    CSW Solutions designed and built a SQL database to manage statistical information and carrier feeds for a financial services firm. The company developed iPad apps to file requests and distribute marketing materials. The database increased the firm's efficiency and saved them roughly $100,000 per year. 

    "CSW Solutions is very responsive, talented, and concerned about timelines."  CEO, Financial Services Firm 

  • 14
    $1,000+
    Freelancer
    River Forest IL

    Other IT consulting and SI company Netzant Technology LLC is located in River Forest, Illinois. The small team focuses on other IT consulting and SI, custom software development, web development, mobile app development, and more and was launched in 2007.

    Notable Project

    Netzant Technology LLC provides IT consulting services for a job interview training platform. The client needs help in adding a new section on their website that features IT-related interviews.

    "It's been a great working relationship."

  • 15
    $25,000+
    250 - 999 Employees
    Lombard IL

     Neudesic is a technology company with offices in Irvine, CA, Atlanta, GA, Chicago, IL, Irving and Houston, TX, Denver, CO, Las Vegas, NV, Exton, PA, Tempe, AZ, Portland, OR, New York, and India.  It specializes in big data consulting, custom software development, cloud consulting, and mobile app development. The agency of more than 800 employees was founded in 2002. Most clients work in the healthcare, energy, and gaming industries. 

    Clients
    Hasbro
    American Cancer Society
    Hyatt
    Xerox
    Industries
    Notable Project

    Neudesic upgraded a recipe website to an efficient Cloud platform.  The system makes available to users a variety of easily accessible recipes, reviews, videos, and shopping lists. These content offerings are customized and can be set to fit users' specific preferences. The website has been growing consistently since Neudesic began their involvement. 

     

  • 16
    $50,000+
    50 - 249 Employees
    Chicago IL

    Directpl is a midsize software development company. Located in Chicago, Illinois; Rochester, New York; Toronto, Canada and Warszawa, Poland, the firm was established in 1997. Their team focuses on custom software development, application management & support, IT managed services, and application testing.

    Industries
    Notable Project

    Directpl provided app development services to a consumer goods company. These efforts included linking CRM services to the mobile app in order to facilitate customer intel to salespersons, among other features.

    ‘‘They delivered everything on time and budget.’’

  • 17
    $10,000+
    10 - 49 Employees
    Naperville IL

    Sourceved Consultancy Services Pvt Ltd is a web development company that was founded in 2015. The team has 8 professionals headquartered in Ahmedabad, India, with offices in Naperville, IL. They offer Sitecore web development, CRM consulting and SI, and IT managed services to mostly midmarket companies. 

    Clients
    Virtusa Polaris
    ICreon
    Sonata
    Industries
    Notable Project

    Sourceved Consultancy Services Pvt Ltd built a website in Sitecore with a custom-built CMS database for a digital innovation agency. The site featured search, marketing automation, and vendor integration. The implementation finished ahead of schedule.

    "The workflow between our teams was seamless and smooth." – Account Manager, Digital Innovation Agency

  • 18
    $10,000+
    10 - 49 Employees
    Riverwoods IL

    Insyte Consultancy Services is a software company of around 10 employees. Established in 2011, their headquarters is in Oak Park, Ill. They offer services in mobile app development, wearable app development, custom software development, and enterprise app modernization.

    Clients
    America First - Competitive Market Economic Advocacy
    Christopher House
    GD Entry
    Lifesafe Services
    Industries
    Notable Project

    Insyte Consultancy Services developed a database and web server for a product development company. This web server managed sites in-house and remotely. They also developed iOS and Android apps. The client is pleased with the project and its ongoing work.

    “They provide a tremendous level of service for their price point.” – Co-Owner, Product Development Company
     

  • 19
    $10,000+
    10 - 49 Employees
    Chicago IL

    Founded in 2014, Team Harbour is a development, AI, and blockchain company based in Cincinnati, Ohio. They primarily work with small businesses in the financial services, e-commerce, and real estate industries. 

    Clients
    XchangePlus
    Visa
    COMO Global
    RINA Systems
    Industries
    Notable Project

    Team Harbor worked with a software company to provide ongoing support to the in-house development team. They have a proven track record of success with the client. 

    "We wouldn’t have continued working with Team Harbour if they weren’t doing a good job." – CEO, Software Company

     

  • 20
    $1,000+
    10 - 49 Employees
    Elgin IL

    ardentbay is a digital marketing company founded in Karachi, Pakistan in 2015 with fewer than 10 professionals. They specialize in custom software, web, and mobile app development solutions for both small and medium-sized companies.

    Clients
    Gold rock
    UKIA BOOKSTORE
    Naseba
    Industries
    Notable Project

    ardentbay provided graphic and web design solutions for a healthcare business. The company had ardentbay design and maintain their website as they lacked the internal expertise. The company is happy with the results.

    “It was very effective take a look at my website it looks great.” - Psychotherapist, Healthcare Business

  • 21
    $250,000+
    250 - 999 Employees
    Chicago IL

    Devbridge Group is a software design and development company that was founded in 2008. Devbridge Group is based in Chicago with an additional location in Vilnius, Lithuania. Devbridge Group is a team of over 300 that offers mobile app development, web development, UX/UI design and custom software development services. Devbridge Group serves clients in the financial services, manufacturing and information technology fields. 

    Clients
    Takeda
    AON
    Microsoft
    Ernst & Young
    Industries
    Notable Project

    An industrial facilities supplier wanted a way to help clients make quick and confident selections from its wide variety of supplies. Devbridge Group created a comprehensive e-commerce platform that organized hundreds of thousands of products by categories and hierarchies, and also included an inventory management system. 

     

  • 22
    Undisclosed
    250 - 999 Employees
    Oak Brook IL

    Aspire Systems is a product development firm headquartered in San Jose, Calif., with another office in Chennai, India. It was founded in 1996 and has grown to a size of over 2,000 employees. Their sizable team provide web design, web development, application testing, e-commerce development, and custom software development services to a variety of industries, including IT, financial services, and education. 

    Clients
    Apple
    Macy's
    A'Gaci
    Industries
  • 23
    Undisclosed
    250 - 999 Employees
    Chicago IL
    IT managed services company Emtec Inc. Was launched in 1997. Based in Jacksonville, Florida; Chicago, Illinois; Suwanee, Georgia and Athens, Alabama, their midsize team offers IT managed services, cloud consulting & SI, custom software development, Artificial Intelligence, and more.
    Industries
  • 24
    $50,000+
    250 - 999 Employees
    Oakbrook Terrace IL

    Synoptek is a global systems integrator and managed IT services provider headquartered in Irvine, Calif., with additional offices across the U.S. and in New Brunswick, Canada; Ahmedabad, India; and Pune, India. Founded in 2001, they have more than 650 employees that specialize in IT managed services, cybersecurity, and cloud consulting & SI. Synoptek primarily serves midmarket clients in a variety of industries.

    Clients
    Champion Home Exteriors
    Vision Solutions
    Philips
    SiriusDecision
    Industries
    Notable Project

    Synoptek developed a new accounting system and provided subsequent training. They also automated different components of the financial reporting process. They delivered a successful improvement over the previous system.

    "They did a great job. We set budgets from the beginning and they managed through detailed project management to stay on budget. They always met the deadlines. " – VP of IT and Innovation, Member Association

  • 25
    $10,000+
    50 - 249 Employees
    Chicago IL

    DMC, Inc. is an engineering and development firm founded in 1996. It is headquartered in Chicago, but has other locations in Somerville, Mass.; Denver, Colo.; New York, N.Y.; Houston, Texas; and St. Louis, Mo. DMC, Inc. has about 150 employees. While DMC's origins are in robotics and manufacturing automation, they currently offer custom software development and big data consulting services.   

    Clients
    3M
    Ford
    Cadbury
    Bosch
    Industries
    Notable Project

    A large ground logistics firm hired DMC to develop a unique IoT device for their centrally-owned fuel depots. DMC created a device to speed up the refueling process and provide useful data to the firms that own the depots.

     

  • 26
    $1,000+
    50 - 249 Employees
    Naperville IL
    Techforce Global is a Naperville, Illinois-based custom software development firm. Founded in 2012, the midsize team focuses on custom software development, ux/ui design, IT strategy consulting, web development, and more.
    Industries
  • 27
    $5,000+
    50 - 249 Employees
    Naperville IL
    Genix Technologies is a web development company in Naperville, Illinois; Chennai, India and Chennai, India. They specialize in web development, custom software development, mobile app development, application testing, and more and were founded in 2010.
    Industries
  • 28
    $10,000+
    10 - 49 Employees
    Chicago IL
    Custom software development company City Innovation Labs is located in East Grand Rapids, Michigan and Chicago, Illinois. The small team focuses on custom software development, mobile app development, ux/ui design, wearable app development, and more and was founded in 2017.
    Industries
  • 29
    Xcelpros Technologies Pvt. Ltd. Logo

    Xcelpros Technologies Pvt. Ltd.

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    $10,000+
    10 - 49 Employees
    Warrenville IL
    CRM consulting and SI company Xcelpros Technologies Pvt. Ltd. Is headquartered in Warrenville, Illinois and Alpharetta, Georgia. They offer CRM consulting and SI, ERP consulting and SI, custom software development, and application management & support and were established in 2011.
    Industries
  • 30
    Automly App Development Company Logo

    Automly App Development Company

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    $25,000+
    Freelancer
    Chicago IL
    Automly App Development Company, a web development firm, was established in 2011. They are headquartered in Chicago, Illinois and Chicago, Illinois and have a small team. Automly App Development Company specializes in web development, custom software development, enterprise app modernization, mobile app development, and more.
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