Best C# Developers in the United States

5 Companies-Rankings updated: September 03, 2026

We evaluate every agency on DesignRush according to expertise credentials and client satisfaction ratings. Some placements are sponsored.

United States × C# Development × Public Administration × Sort by: Number of Reviews ×Clear Filters
  • Marketing that advances your social impact and the common good.

    HelpGood is a full-service marketing and communications agency focused on social impact. Our clients are nonprofits, foundations, universities, government agencies, and purpose-driven organizations. HelpGood's offices are in Los Angeles and NYC. We are a certified B Corp...

    Top Services:

    • Web Design
    • Digital Marketing
    • Web Development
    • Branding
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $175/hr
    Minimal Budget
    $50,000 & Up

    HelpGood Services

    • Web Design
    • Digital Marketing
    • Web Development
    • Branding
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Ad Council
    • Smokey Bear
    • FPWA
    • NEXT for AUTISM
    • Planned Parenthood of NYC
    • Fountain House
    • Native American Heritage Commission
    • National Forest Foundation
    Data sourced from the agency's DesignRush profile
  • Coding Success Globally, Guided by a Ukrainian Heartbeat!

    We are Codebridge, an international team with a Ukrainian heart. We lead as an IT outsourcing company, offering software development, UI/UX design, app development, and web design solutions to European and US companies...

    Top Services:

    • UI/UX Design
    • Design Services
    • Product Design
    • Web Design
    • WordPress Website Design
    • Show more
    Location
    Wilmington, Delaware
    Number of Employees
    100 - 249
    Portfolios Count
    13 Projects Listed

    Codebridge Services

    • UI/UX Design
    • Design Services
    • Product Design
    • Web Design
    • WordPress Website Design
    • Web Development
    • Mobile App Development
    • Software Development
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • LOCAD
    • That Festival Site
    • KPMG
    Data sourced from the agency's DesignRush profile

    Codebridge Reviews & Testimonials

    • Ievgeniia Fedorenko
      Ievgeniia Fedorenko Review from Google
      5.0

      Ievgeniia Fedorenko's Review Sourced from Google

      I have been working at the company for a year. One of my favorite things is the sense of community among coworkers; it feels like being part of a big, friendly family. Another aspect I appreciate is the professional growth opportunities. I am working on different projects where I can improve my skills and face new challenges.

    • Viktoriia Pchelintseva
      Viktoriia Pchelintseva Review from Google
      5.0

      Viktoriia Pchelintseva's Review Sourced from Google

      I worked in Codebridge as a junior UX/UI designer. My team was really friendly and supportive, and I enjoyed working on the tasks with my colleagues. I also liked that the company is always ready to hear your feedback and that your opinion matters.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • We are a software design & development company.

    We solve problems through purpose-built apps, websites, and platforms. We're experienced in UI/UX design, website development, desktop and mobile app development, APIs, generative AI solutions, and cloud services. Our UI design and software development experts work with your team to achieve your business...

    Top Services:

    • AI Development
    • Mobile App Development
    • Software Development
    • Web Design
    • UI/UX Design
    • Show more
    Location
    King of Prussia, Pennsylvania
    Number of Employees
    Under 49
    Average Hourly Rate
    $135/hr
    Minimal Budget
    $10,000 - $25,000

    Fynydd LLC Services

    • AI Development
    • Mobile App Development
    • Software Development
    • Web Design
    • UI/UX Design
    • Web Development
    • eCommerce Development
    • Cloud Consulting
    • IT Services
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • U.S. Bancorp
    • Red Hat Software
    • Pfizer
    • Saint-Gobain
    • U.S. Dept. of Justice
    • Heinz
    • The Vanguard Group
    • New Relic
    • Merck Sharp & Dohme
    • Philadelphia Scientific LLC
    Data sourced from the agency's DesignRush profile

    Fynydd LLC Reviews & Testimonials

    • David Sonn
      David Sonn Review from Google
      5.0

      David Sonn's Review Sourced from Google

      Fynydd is a team of very talented problem solvers, keenly skilled in delivering technology solutions. We flat out trust them. The applications, websites, and software they build are rock solid. And, they stand behind their work. In a world where the codebase could be faulty and you wouldn't even know it until it's far too late, Fynydd is the choice that brings peace of mind. #BeyondJustCoders

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Results driven digital marketing agency.

    OBCIDO Inc. is a global consulting and digital services firm founded in New York in 2021. We help businesses redefine their digital identity and accelerate growth through strategic consulting, AI solutions, GEO, high-performance websites, and results-driven digital marketing...

    Top Services:

    • Digital Services
    • Branding
    • Digital Strategy
    • Web Design
    • Web Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed

    OBCIDO Inc. Services

    • Digital Services
    • Branding
    • Digital Strategy
    • Web Design
    • Web Development
    • WordPress Website Design
    • PPC
    • Social Media Marketing
    • Media Buying
    • Digital Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Academic Partnerships
    • U.S. Small Business Administration
    • Library of Congress
    • Duggal Visual Solutions
    • Decibel Events
    • Lebanese American University
    • The New York Times
    • XM
    • Lucinda Loya Interiors
    • Holberton New York
    Data sourced from the agency's DesignRush profile

    OBCIDO Inc. Reviews & Testimonials

    • Monty
      Monty Review from Google
      5.0

      Monty's Review Sourced from Google

      I’ve been working with OBCIDO for social media and ads support for my business, and I couldn’t be happier with the results. Their team is proactive, creative, and genuinely understands how to drive engagement and conversions. They’ve helped streamline my campaigns, improve content strategy, and get my brand in front of the right audience. Communication is always clear and responsive, and I feel like they truly care about my business’s success. Highly recommend OBCIDO to any business owner looking to take their digital presence to the next level! Thank you

    • Ary Satish
      Ary Satish Review from Google
      5.0

      Ary Satish's Review Sourced from Google

      I had a great experience working with the OBCIDO team. Communication was clear from the beginning and their services were explained well beforehand, so I knew exactly what was offered. They stuck all deadlines and responded promptly to any emails or questions. Their selected writer/editor - Amr - who worked with me throughout the PR process, was the great selection by OBCIDO for my work with them. I would be happy to recommend them to more colleagues and artists in my community.

    • graziella Abou Jaoudeh
      graziella Abou Jaoudeh Review from Google
      5.0

      graziella Abou Jaoudeh's Review Sourced from Google

      Working with this digital agency has been nothing short of extraordinary. They genuinely feel like an integral part of our team, consistently delivering unbelievable service, flawless execution, and outstanding results. After years of collaboration, I can confidently say I've never encountered a more dedicated group of professionals. Their commitment to driving positive outcomes is unmatched, and their passion shines through in every project. If you're looking for a partner that goes above and beyond, this agency is the one to trust. Highly recommended!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Your Vision, Our Experts with Portal & Mobile Framework, Powerful Results!

    Why build from scratch! Our Portal, Mobile and AI framework provides 30-40% increased time to market. Built with Enterprise Security/Compliance for Azure/AWS clouds. ContentActive (Houston) provides Strategy, UI/UX, Web/Mobile/AI/Automation/IoT & DevOps. Your Vision, Our Experts, Powerful Results!...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • DevOps Consulting
    • Web Development
    • Show more
    Location
    Houston, Texas
    Number of Employees
    Under 49
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    4 Projects Listed

    ContentActive, LLC Services

    • Software Development
    • Mobile App Development
    • AI Development
    • DevOps Consulting
    • Web Development
    • IoT
    • Big Data Analytics
    • ERP Consulting
    • UI/UX Design
    • Digital Strategy
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • AEI Energy
    • Abitibi-Consolidated
    • American Medical Writers Association
    Data sourced from the agency's DesignRush profile

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