Top 40 C# Developers in Chicago

Founded in 1991, ELEKS is a provider of software development, product design and technology advisory services. They offer cooperation models that fit the goals, resources and timelines of Fortune 500 companies, large enterprises, and small businesses. ELEKS has more than 2,000 specialists and 17 offices on three continents to serve their clients globally. 

Simform is a custom software development company founded in 2010. They have helped organizations ranging from startups, Fortune 500 companies, and WHO-backed NGOs. The team of 250+ delivers digital solutions for their clients and offer artificial intelligence services, API integration, dedicated software development team, and software testing services.
 

HatchWorks is an Atlanta-based software development and UX/UI design company with extensive nearshore delivery centers in Latin America. Founded in 2016, HatchWorks core purpose is to design and build software solutions your customers and business will love. HatchWorks provides custom software development, experience design, analytics, AI/ML, big data, and cloud services through their integrated US and Nearshore Agile teams.

Objective Solutions is a Sao Paulo, Brazil-based. The midsize firm was launched in 1995. Their services include.

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. 
 

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.

New Peak Solutions is a SharePoint consulting and software solutions company with offices in New York. Founded in 2003, they have two employees specializing in custom software and mobile app development and IT consulting for various clients throughout the United States. Their expertise covers SharePoint, Office 365, ERP and CRM integration, and mobile, custom, and cloud development.

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.

TekRevol is an app development startup of 18 employees. Founded in 2014, their headquarters is in Newark, Calif. They offer various services: mobile app development, web development, e-commerce development, blockchain, and more. They primarily work with enterprise and midmarket clients in the e-commerce and business services industries.
 

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. 
 

MLP Co is a website development firm founded in 2018. The agency focuses on web development, mobile app development, and custom software development and has a small team. The agency is in Kyiv, Ukraine.

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.

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. 

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.

Software development and IT solution company Taction Software was founded in 2013. With headquarters in Cheyenne, Wyo. and an additional office in Noida, India, Taction Software has a team of 36. They offer web development, mobile app, CRM consulting, and system integration services.

Foxbox is a mobile app development company based in Chicago. Founded in 2018, the team of 40 specializes in mobile app development, UX/UI design, and web development. They work with small business and midmarket clients.

Hristov Development is a Northbrook, Illinois-based software development firm. They offer custom software development, web development, and mobile app development and were launched in 2013.

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.

Programmers Beyond IT is a software development firm. Their midsize team is in Chicago, Illinois. The firm focuses on custom software development, enterprise app modernization, BI & big data consulting & SI, web development, and more.

Bayshore Solutions is an end-to-end digital agency based in Tampa, Fla. with an office in Denver. Founded in 1996, their team of more than 10 with teams that provide brand storytelling, web design, and development, e-commerce, digital marketing, creative and hosting solutions. 

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.

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. 

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.

Gate 39 Media, a digital strategy company, is located in Chicago, Illinois. The small team offers digital strategy, custom software development, and marketing strategy. The firm was established in 2003.

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.

Klio Systems, Inc is a small IT managed services company in Chicago, Illinois. Established in 2015, the team focuses on IT managed services, ERP consulting and SI, custom software development, unified communications consulting & SI, and more.

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.   

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. 

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. 
 

Webkrafterz is a software development firm based in Casper, Wyoming; Skokie, Illinois and Ahmedabad, India. The agency focuses on custom software development, web development, e-commerce development, mobile app development, and more and has a small team.The agency was founded in 2014.