Best C# Developers in the United States

69 Companies - Rankings updated: September 03, 2026

DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.

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  • Texas Software

    Digital Transformation Consulting Company You Can Trust

    Texas Software Inc. is a cutting-edge professional services firm that specializes in providing innovative software solutions and business process automation, as well as support for their own custom designs. With many years of multi-faceted experience under its belt, this young but highly knowledgeable company...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • eCommerce Development
    • SEO
    • Show more
    Location
    Spring, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • Phoenix Consultants Group

    Custom Software For Legacy Migrations

    Phoenix Consultants Group builds custom software for businesses running systems that predate modern platforms. Access databases, VB6 applications, Excel-based operations; PCG migrates them to maintainable .NET applications without losing data or process logic. Based in New Jersey, serving clients across the...

    Top Services:

    • Software Development
    • ERP Consulting
    • AI Development
    • IT Compliance Solution
    • Web Design
    • Show more
    Location
    Northfield, New Jersey
    Number of Employees
    Under 49
    Visit Website View Profile
    5.0 5.0 (3)

  • Soft Does

    Custom Software That Works In The Real World

    SoftDoes builds custom software, AI, and web applications for mid-market companies that need enterprise-grade results without the overhead of an in-house team. U.S.-based leadership. Full IP ownership. No lock-in...

    Top Services:

    • Software Development
    • AI Development
    • Mobile App Development
    • Web Development
    • UI/UX Design
    • Show more
    Location
    Mission, Kansas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
    Visit Website View Profile

  • Texono

    We Help Your Business Grow With Powerful Solutions

    Texono builds custom mobile, web, and desktop applications for manufacturing companies and machine shops. With a team of 49+ professionals and expertise in .NET, C#, React Native, Angular, Blazor, Azure, and AWS, Texono delivers working prototypes within one week. Every project includes a free 60-day trial...

    Top Services:

    • Design Services
    • Web Development
    • Mobile App Development
    • Software Development
    • ERP Consulting
    • Show more
    Location
    American Falls, Idaho
    Number of Employees
    100 - 249
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Visit Website View Profile

  • Frogslayer

    AI & Automation Partner for Mid-Market Businesses

    Frogslayer is the custom software, AI, and automation partner for mid-market businesses in Texas. We work as a senior team on retainer AI consulting, strategy, automation, development, and implementation. Plans start at $2,500/month...

    Top Services:

    • Software Development
    • Mobile App Development
    Location
    College Station, Texas
    Number of Employees
    50 - 99
    Minimal Budget
    $25,000 - $50,000
    Visit Website View Profile
    4.3 4.3 (20)

  • Light Domain Studio

    Precision Illuminated

    Light Domain Studio brings imagination to life through high-end CG, immersive AR/VR experiences, and digital storytelling. We merge art and technology to craft visuals and worlds that inspire, engage, and endure...

    Top Services:

    • VR/AR
    • Video Production
    • Digital Services
    • AI Development
    • Mobile App Development
    • Show more
    Location
    St. Petersburg, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • Nova Era Agency

    Building the new era of digital growth

    Nova Era is a digital solutions agency built to merge creativity with innovation, offering web and app design, development, video production, automation, and customized AI tools. The focus is always on building smarter systems that help businesses work seamlessly and communicate with impact. What defines the...

    Top Services:

    • Web Design
    • Web Development
    • eCommerce Development
    • UI/UX Design
    • Mobile App Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
    Visit Website View Profile
    5.0 5.0 (19)

  • FDI Creative Services

    Your One Stop, Website Design and Internet Marketing Partner

    FDI Creative Services is Your One Stop, Website Design and Internet Marketing Resource. We have been providing web design and marketing solutions to companies around the globe since 1996. We offer creative and unique designs to each project we complete. No templates or canned websites here...

    Top Services:

    • Web Design
    • eCommerce Development
    • WordPress Website Design
    • Digital Marketing
    • SEO
    • Show more
    Location
    Houston, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    Visit Website View Profile
    4.9 4.9 (37)

  • 83 Creative

    Agency Quality Startup Speed

    83 Creative builds custom websites, integrations, and applications for trade associations and membership organizations. We specialize in Drupal and WordPress development, member portals, and complex system integrations. Clients work directly with developers to deliver high-quality, scalable solutions without...

    Top Services:

    • Web Design
    • Web Development
    • UI/UX Design
    • WordPress Website Design
    • eCommerce Development
    • Show more
    Location
    Oakland, Maryland
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Visit Website View Profile

  • Zallpy Digital

    Global tech talent, LATAM powered, U.S. aligned

    Zallpy stands as one of the fastest growing Software Outsourcing and Staff Augmentation nearshore companies, strategically positioned nearshore to provide cutting-edge, scalable IT squads to Startups and Fortune 500 corporations across North America and Europe...

    Top Services:

    • AI Development
    • Software Testing
    • Blockchain
    • Mobile App Development
    • Software Development
    • Show more
    Location
    Frisco, Texas
    Number of Employees
    500 - 999
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile
    4.8 4.8 (161)

  • Vitek Technology LLC

    Your Technology Partner

    Vitek Technology LLC is a leading group of technology experts specializing in delivering innovative SaaS solutions, comprehensive project management, and strategic consulting services. Our expertise also extends to encompassing top-tier Web and App design, seamless integration solutions, and reliable hosting...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • Content Marketing
    • Show more
    Location
    Austin, Texas
    Number of Employees
    100 - 249
    Minimal Budget
    $1,000 - $10,000
    Visit Website View Profile

  • Tarika Group

    Transform. Clarity

    Tarika Group offers comprehensive Managed IT and digital solutions for SMBs, startups, and enterprises, ensuring secure, scalable, and cost-effective business growth...

    Top Services:

    • SEO
    • Digital Marketing
    • Social Media Marketing
    • Software Development
    • IT Services
    • Show more
    Location
    Marriottsville, Maryland
    Number of Employees
    50 - 99
    Average Hourly Rate
    $70/hr
    Visit Website View Profile
    5.0 5.0 (5)

  • Comptivia Technologies

    Engineering Partner for Grateful Outcome

    Comptivia Technologies is a global IT Services and Consulting company headquarters in New Jersey USA. We work with leading companies to deliver services and technologies at scale, accelerate digital operations, develop innovative applications, and drive efficiencies throughout their organization...

    Top Services:

    • Web Design
    • AI Development
    • Software Testing
    • Software Development
    • Big Data Analytics
    • Show more
    Location
    Montville, New Jersey
    Number of Employees
    50 - 99
    Average Hourly Rate
    $70/hr
    Visit Website View Profile
    5.0 5.0 (1)

  • Erudite Apex Inc

    Intelligent Software Engineered For The Future

    Erudite Apex builds AI-integrated, full-stack software solutions that help businesses automate workflows, enhance decision-making, and scale with confidence...

    Top Services:

    • Web Design
    • Web Development
    • AI Development
    • Mobile App Development
    • Software Development
    • Show more
    Location
    Washburn, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    Under $1,000
    Visit Website View Profile

  • Fountain City

    Autonomous AI systems that do real work

    Production-grade autonomous AI for real business operations...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • UI/UX Design
    • Web Development
    • Show more
    Location
    Portland, Oregon
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Visit Website View Profile
    5.0 5.0 (2)

  • EmbarkingOnVoyage

    Your leading data and product engineering partner.

    EmbarkingOnVoyage Digital Solutions is your premier partner in data and product engineering, empowering technology companies, large enterprises, and SMBs to transform industries such as travel, healthcare, banking, finance, and more through innovative solutions. We specialize in revolutionizing technology and...

    Top Services:

    • Digital Services
    • Mobile App Development
    • Software Development
    • Software Testing
    • Web Design
    • Show more
    Location
    Darnestown, Maryland
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $50,000 & Up
    Visit Website View Profile

  • Tatvasoft

    Sculpt Your Thoughts To Reality

    TatvaSoft is a trusted technology partner enabling global businesses with its strategic IT solutions. Our services majorly encompasses Custom software development, Web development, product development, Ecommerce , Mobile apps, QA and many similar cutting-edge technologies...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • Software Testing
    • AI Development
    • Show more
    Location
    Dallas, Texas
    Number of Employees
    500 - 999
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
    Visit Website View Profile
    4.2 4.2 (576)

  • Serpent Consulting Services Pvt Ltd

    Where Quality, Time & Accuracy are valued the most!

    Founded in 2011, Serpent Consulting is an Odoo Partner with a global clientele. They offer Odoo implementation, customization, and training with a team of experienced professionals. They boast 45+ custom Odoo apps and modules, making them a leader in the Odoo space...

    Top Services:

    • ERP Consulting
    • CRM Consulting
    • IT Services
    • Software Development
    • Software Testing
    • Show more
    Location
    Edison, New Jersey
    Number of Employees
    100 - 249
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile
    4.5 4.5 (89)

  • Umang Software Technologies

    UMANG means Enthusiasm; Enthusiasm is what drives the mankind!

    Umang has been working with some of the elite organization across the globe to develop and maintain their existing legacy applications. They are experts in developing custom software/Mobile/Web applications. Umang has expertise in Delphi, Java, PHP, Python, DotNet and 20+ other technologies and has domain...

    Top Services:

    • Software Development
    • Mobile App Development
    Location
    San Jose, California
    Number of Employees
    Under 49
    Visit Website View Profile

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