Best C# Development Companies

6 Companies-Rankings updated: October 18, 2026
C#

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

C# Development × Boutique × $10,000 - $25,000 ×Clear Filters
  • Website & application development

    Promodex is your long-term digital partner. We deliver UI/UX design, front/back-end development, marketing (SEO, SMM, PPC), support, automation, and custom CRM/ERP solutions. 12+ years of experience. Need a turnkey solution? Lets talk!...

    Top Services:

    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Web Design
    • Mobile App Development
    • Show more
    Location
    Cheyenne, Wyoming
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    20 Projects Listed

    Promodex Services

    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Web Design
    • Mobile App Development
    • SEO
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Fleet Care
    • IT rating LTD
    • DVL Express
    • IT-Rating.com Inc.
    • ElmiraMedins S.L.
    • Unibox
    • SKY LINE RESORT DOO
    • SERVIRED SP. Z.O.O
    • PureMaids Inc.
    • Expertyco Sp.z o.o
    Data sourced from the agency's DesignRush profile

    Promodex Reviews & Testimonials

    • Oleksii Shapran
      Oleksii Shapran CEO at PioGroup
      5.0★

      Web Development Review from Oleksii Shapran

      To create an online store that fully meets the needs of our business, we turned to Promodex. The main focus was on developing a modern and user-friendly design, creating intuitive functionality, as well as API development and AI implementation.A modern online store was created with a unique design, API integration, the introduction of artificial intelligence for personalization, optimization of all processes and ensuring stable operation, which led to increased efficiency of online sales and improved user experience.

    • Sergei Kolozenko
      Sergei Kolozenko CEO at Megasite
      5.0★

      Web Development Review from Sergei Kolozenko

      We have been working with this company for a year and a half on internal projects of our company. During the entire period of work, there were no problems with the quality of work or with the timing of work. The assigned tasks are performed in accordance with the contract. Promodex has established itself as a proven and reliable contractor in the field of development and technical support of websites on cms opencart and wordpress.

    • Valeriia Donetskova
      Valeriia Donetskova Marketing Specialist at Inweb
      5.0★

      Web Development Review from Valeriia Donetskova

      I am very pleased with the result of the work of the Promodex team on the development of our corporate website based on the Laravel framework. The development process was very efficient and professional. The team demonstrated in-depth knowledge and experience in working with Laravel, which allowed us to create a website with high performance, reliability and security.I would especially like to note the individual approach to our project and the willingness to take into account all our wishes and requirements. The developers were always in touch, promptly responded to our requests and listened attentively to our suggestions. Thanks to this, the cooperation process was as comfortable and effective as possible.The result of the work exceeded our expectations. We have received a high-quality, modern and functional website that perfectly meets our business needs. Many thanks to the Promodex team for their professionalism, creativity and high level of service. I recommend this company to anyone who is looking for a reliable partner for developing web projects based on the Laravel framework.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Top Global Mobile Development Studio

    We are Horus Studio, a Global Mobile Development Studio passionate about creating cutting-edge apps using .NET MAUI, Flutter and Uno Platform...

    Top Services:

    • Mobile App Development
    • Software Development
    • IoT
    • UI/UX Design
    • Product Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    9 Projects Listed

    Horus Services

    • Mobile App Development
    • Software Development
    • IoT
    • UI/UX Design
    • Product Design
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Swedlock
    • Farmashop
    • Innomind
    • Uno Platform
    • PowerPlus
    • Sweatworks
    • VBC Finders
    • 365 ID
    • UxDivers
    • MyPass
    Data sourced from the agency's DesignRush profile
  • Crafting Futures Together

    Ninja Coding Pro is a web and mobile app development company delivering engaging, brand-driven, and future-ready digital solutions. We create high-quality software using both traditional and modern technologies, built by world-class engineers...

    Top Services:

    • Web Development
    • eCommerce Development
    • AI Development
    • Mobile App Development
    • Web Design
    • Show more
    Location
    Lahore, Pakistan
    Number of Employees
    50 - 99
    Average Hourly Rate
    $24/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    5 Projects Listed

    Ninja Coding Pro Services

    • Web Development
    • eCommerce Development
    • AI Development
    • Mobile App Development
    • Web Design
    • eCommerce
    • Email Marketing
    • Software Development
    • CRM Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Good Trouble Pets
    • Prado
    • Moocah Magic
    • Hawk Fence
    • Mark Dominguez
    • Jay J
    • Samantha
    • Nikolai Kruk
    • Simon Schon
    • Brett McFall
    Data sourced from the agency's DesignRush profile

    Ninja Coding Pro Reviews & Testimonials

    • Muhammad Usman
      Muhammad Usman Review from Google
      5.0★

      Muhammad Usman's Review Sourced from Google

      I had an absolutely wonderful experience with Ninja Coding Pro.The entire team was extremely professional, cooperative, and genuinely supportive throughout the process. Their communication was clear, their work was efficient, and the overall service exceeded my expectations.What impressed me the most was their positive attitude and dedication. They truly value their clients and make sure everything is handled perfectly.Highly recommended to anyone looking for quality service and a great experience. Keep up the excellent work! 👏✨

    • atta raoatta
      atta raoatta Review from Google
      5.0★

      atta raoatta's Review Sourced from Google

      Team is highly experienced and committed to delivering efficient, results-driven solutions tailored to your business needs

    • Meer Rashii
      Meer Rashii Review from Google
      5.0★

      Meer Rashii's Review Sourced from Google

      Truly impressed by their professionalism and attention to detail. They handled the project with care and delivered a clean, modern result. If you're looking for a reliable and skilled team, this is the right choice.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Your digital partner, from code to conversion

    Vinxor is a UK-based software development and digital solutions company helping businesses transform ideas into scalable digital products...

    Top Services:

    • Digital Services
    • Graphic Design
    • Web Design
    • Web Development
    • Affiliate Marketing
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $10,000 - $25,000

    Vinxor Technologies Services

    • Digital Services
    • Graphic Design
    • Web Design
    • Web Development
    • Affiliate Marketing
    • Digital Marketing
    • SEO
    • Software Testing
    • AI Development
    • Software Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • BNS MOTORS
    • ENGINE-REBUILD
    • COMPLETE ENGINE SOLUTIONS
    • AUTO IRIS INSTALLATION
    • ENGINEFINDERS
    Data sourced from the agency's DesignRush profile

    Vinxor Technologies Reviews & Testimonials

    • TheTech Beacon
      TheTech Beacon Review from Google
      5.0★

      TheTech Beacon's Review Sourced from Google

      Vinxor helped us redesign the interface for our SaaS product. The original version had become a bit confusing as we added more features, and they did a great job simplifying everything. It now feels much easier to navigate and our users have responded well to the changes.

    • Coin Smithery
      Coin Smithery Review from Google
      5.0★

      Coin Smithery's Review Sourced from Google

      We needed an e-commerce website that could handle some features that weren't available with the standard solutions we had tried. Vinxor understood what we needed and built it around our business. Everything feels much more streamlined now and the site is performing well. Very happy with the outcome.

    • Arslan Ahmad
      Arslan Ahmad Review from Google
      5.0★

      Arslan Ahmad's Review Sourced from Google

      Working with Vinxor gave us a much clearer direction with our technology. We had a lot of different systems and weren't really sure what we should improve first. They helped us make sense of everything and put together a much more practical approach. Definitely made things easier for us.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Custom software from conception to production

    Nutshell is a french partner focused on building efficient softwares from idea to real-world solution. Dealing with international customers (hello London!), we'd be happy to discuss with you to provide our expertise with our English-fluent engineers. Reach out now by email at hello@nutshell-lab.com...

    Top Services:

    • Software Development
    • Mobile App Development
    • Digital Services
    • Branding
    • SEO
    • Show more
    Location
    Lille, France
    Number of Employees
    Under 49
    Average Hourly Rate
    $90/hr
    Minimal Budget
    $10,000 - $25,000

    Nutshell Lab Services

    • Software Development
    • Mobile App Development
    • Digital Services
    • Branding
    • SEO
    • Product Design
    • Web Design
    • eCommerce Development
    • Web Development
    • ERP Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Atlas
    • Constructys
    • Keyro
    • Karbon
    • Actinuum
    • Jitips
    • Olecio
    Data sourced from the agency's DesignRush profile
  • Grow with Technology.

    We have a Team of 100+ Skilled App Developers who thrive on rolling up their sleeves and solving your IT problems and meeting your business needs like APP Development, Software Development, Cloud Consulting, Generative AI Development, Cyber Security Services, Custom ERP Software Development, and Web...

    Top Services:

    • AI Development
    • Mobile App Development
    • Software Development
    • Blockchain
    • Software Testing
    • Show more
    Location
    Lucknow, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000

    NextOlive Services

    • AI Development
    • Mobile App Development
    • Software Development
    • Blockchain
    • Software Testing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • TrulyMadly
    • theDevMasters
    • OpusClip
    • DP World
    • Bettor In Green
    Data sourced from the agency's DesignRush profile

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1

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Agencies vetted
128,514+
2

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We review agency work, case studies, and results to confirm skill.

Applicants rejected
48%
3

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Agencies verified
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