Top 10+ C# Development Companies in Illinois 2026
Last Updated 24th August 2026 | Category: Top Web Development Firms
The List of Top 10+ C# Development Companies in Illinois | Top C# Developers Illinois 2026
1. Hyperlink InfoSystem
Sponsored
Claim Pending
Founded
2011
Employees
1000+
Hourly Rate
< $25
Our Rating
5.0/5
(65 reviews)
Avg. Project Cost
USD 50,000+
Contact No
+13097914105
Hyperlink Infosystem is a team of extremely experienced experts that are committed to growing up with some amazing detail work on projects and provide great even during the most challenging situations. They give best web developers at a local price. They will help you to pick your team from their skilled pool. They use advanced technologies and other techniques to improve a website so, their clients can get more advantages from a website. They always strive to produce your results away from your creation which is why they work with full dedication if you hire dedicated web developer from theirs.
They design and develop website, web & e-commerce applications to digitize the whole business and enterprise. They allow different web services that are tailored to the clients’ special requirements.
They design and develop website, web & e-commerce applications to digitize the whole business and enterprise. They allow different web services that are tailored to the clients’ special requirements.
2. ISBX
Not Claimed
Founded
2009
Employees
10 - 49
Hourly Rate
$50 - $99
Our Rating
4.6/5
(8 reviews)
Avg. Project Cost
USD 50,000+
Contact No
+13104378010
Email
info@isbx.com
They develop apps for some of the biggest retail, entertainment, and customer electronics companies in the world and serve clients. We understand that we are only successful if we can make our clients successful. Their work culture is very good and they have a good name in on time delivery of projects with satisfaction support. The main vision of the company to get the highly-satisfied result and client satisfaction by using unique ideas and high-quality standards.
3. ShineForth
Not Claimed
Founded
2014
Employees
2 - 9
Hourly Rate
$50 - $99
Our Rating
4.8/5
(7 reviews)
Avg. Project Cost
USD 5,000,000+
Contact No
N/A
Email
hello@shineforth.co
At ShineForth, they are purpose driven and passionate about what they do. They carefully, thoughtfully, and purposely handcraft beautiful websites. Their fully custom web solutions are constructed to be easy to use and rock-solid dependable. They use world-class techniques to individually hand-build each solution for their clients. Finally, they give back by intentionally supporting local charities and non-profits.
Not Claimed
Founded
2011
Employees
10 - 49
Hourly Rate
$150 - $199
Our Rating
4.4/5
(7 reviews)
Avg. Project Cost
USD 100,000+
Contact No
+18556333929
Brain Bytes Creative is many things. A cutting-edge web development firm. A savvy digital marketing agency. A custom app developer for smartphones, tablets and the web. Superior customer service, creativity, skill, and technical ability are the cornerstones of what makes their company the best at what they do. Their awesome web experiences start with a robust understanding of website goals and stakeholder priorities.
5. MotionMobs
Not Claimed
Founded
2010
Employees
2 - 9
Hourly Rate
$200 - $300
Our Rating
4.6/5
(7 reviews)
Avg. Project Cost
USD 25,000+
Contact No
+12055380240
Email
info@motionmobs.com
MotionMobs is a custom software development and web development company that consults and builds scalable, sustainable software products for established organizations and funded startups. These custom solutions for clients trigger continued innovation and increased profit through automated workflows, new revenue streams, and improved infrastructure. Their core programmers can develop extremely scalable PHP apps to grow your business globally.
6. 8bitstudio
Not Claimed
Founded
2005
Employees
10 - 49
Hourly Rate
$100 - $149
Our Rating
4.7/5
(6 reviews)
Avg. Project Cost
USD 25,000+
Contact No
+16122088248
Email
info@8bitstudio.com
8bitstudio is a professional creative agency located near Minneapolis, they design robust, interactive websites for Minnesota businesses. Their intentionally small, the focused team puts you directly in touch with the folks that will be working on your project. They enjoy working on projects of all sizes ranging from small business websites to corporate projects.
7. Appreneurial
Not Claimed
Founded
2018
Employees
2 - 9
Hourly Rate
$50 - $99
Our Rating
4.1/5
(8 reviews)
Avg. Project Cost
USD 5,000,000+
Contact No
+12674224117
Email
hello@appreneurial.com
Appreneurial is a software development and technology company. Their team has over 5+ years of professional experience from taking ideas to products, raising capital, and creating long-term partnerships. They are a fully-combined team of strategists, developers, and designers who are driven by passion.
Not Claimed
Founded
2009
Employees
2 - 9
Hourly Rate
$100 - $149
Our Rating
4.4/5
(7 reviews)
Avg. Project Cost
USD 100,000+
Contact No
+14159441905
Email
scott@blackantelope.com
They are technologists with broad experience with various platforms. Adapting to new or obscure tech is easy for them, and they are not at all religious about any technology. Having experience with many technologies allows us to be extremely objective when choosing a platform for a new project. They develop, combine and migrate your eCommerce project or develop a customized CMS from scratch.
9. The Refinery
Not Claimed
Founded
2005
Employees
10 - 49
Hourly Rate
$50 - $99
Our Rating
4.8/5
(8 reviews)
Avg. Project Cost
USD 100,000+
Contact No
+14407994202
At The Refinery they believe in being partners. When you and your project succeeds, so do they. They develop ambitious web applications that never lose sight of the people who use them. Their activities are controlled by corporate policies that define the ways of managing business, staff and client relations. Their mission is to transform traditional business industry and allow more opportunities by using the digital technology.
10. AMBR Detroit
Not Claimed
Founded
2012
Employees
2 - 9
Hourly Rate
$50 - $99
Our Rating
4.6/5
(6 reviews)
Avg. Project Cost
USD 5,000,000+
Contact No
+13134448004
Email
hello@ambrdetroit.com
AMBR Detroit is a local development team that specializes to develop mobile applications, website design and development, and print design. They begin their projects with in-depth research to understand your business, ideas, and goals. Together they will define a plan that will guide us along the way. They develop quick and responsive apps that work cross-browser, cross-platform.
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