Best C# Developers in the United States

13 Companies - Rankings updated: September 03, 2026

DesignRush vets all agencies based on professional qualifications and verified customer feedback to help you choose confidently. Some featured agencies maintain paid sponsorships.

C#
Electronics
$1,000 - $10,000
Sort by: Sponsored
United States × C# Development × Electronics × $1,000 - $10,000 × Clear Filters

  • Web Tonic

    Verified Verified by the DesignRush team for authenticity and credibility.

    Trusted By More Than 750 Brands like Nestle, Airbnb and Youtube.

    Best Global Agency Awards 2026...

    Top Services:

    • SEO
    • PPC
    • Advertising
    • Digital Marketing
    • Media Buying
    • Show more
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    36 Projects Listed

    Web Tonic Services

    • SEO
    • PPC
    • Advertising
    • Digital Marketing
    • Media Buying
    • Social Media Marketing
    • CRM Consulting
    • Web Design
    • Web Development
    • eCommerce
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Quebequead
    • Buying Property
    • A L'Amiable
    Data sourced from the agency's DesignRush profile

    Web Tonic Reviews & Testimonials

    • Molina Katherine
      Molina Katherine Review from Google
      5.0 ★

      Molina Katherine's Review Sourced from Google

      The SEO side feels long term and structured, it is presented like a system you build and improve over time, which feels more trustworthy than shortcut promises.

    • Bradley Weight
      Bradley Weight Review from Google
      5.0 ★

      Bradley Weight's Review Sourced from Google

      The PPC messaging feels grounded in real optimization work, like the focus is on tightening targeting, improving relevance, and steadily pushing performance instead of chasing quick hype wins.

    • Jackson Linda
      Jackson Linda Review from Google
      5.0 ★

      Jackson Linda's Review Sourced from Google

      The site makes PPC feel approachable, it is easier to see how things connect from strategy to execution without feeling overwhelmed.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    5.0 5.0 (49)

  • SoftTeam

    Venture Infrastructure for Scalable Value Creation

    SoftTeam is an international IT services and talent-augmentation company operating across locations such as Ukraine, Estonia, Poland, Austria and the United Kingdom. The firm provides models such as IT staff augmentation, dedicated teams and out-staffing to support businesses across industries including...

    Top Services:

    • IT Services
    • Staff Augmentation
    • Software Development
    • Web Development
    • Mobile App Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    10 Projects Listed

    SoftTeam Services

    • IT Services
    • Staff Augmentation
    • Software Development
    • Web Development
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Sport Life
    • DOBROBUT
    • FINANCIAL ADVISOR
    • LUKOIL
    • SPORTEQUIP
    • FAST PACK
    • DOBROGARD
    • Institute of cell therapy
    • SUPERLUDI
    Data sourced from the agency's DesignRush profile

    SoftTeam Reviews & Testimonials

    • Jeremy DELREY
      Jeremy DELREY CTO at A-Pharm
      5.0 ★

      eCommerce Development Review from Jeremy DELREY

      We decided to create an Online shop for selling medicines. So we started with negotiations of the concept and the collection of the requirements. Then team provided us with the technical description of the store and a few mockups of it. After approving everything they start creating a solution. I think that we're about 10-12 people in the team who worked with us. We launched shop and receiving profit from it, I think that's the best outcome.

    • Hélène Augemont
      Hélène Augemont Head of client support at Perfect Health
      5.0 ★

      iPhone Review from Hélène Augemont

      We decided to develop a mobile application for our customers. Firstly we Googled different companies and then after the communicating with 7 different companies, we decided to work with sst. The main request from our company was to create the best user interface and functionality. Results came immediately, I am as a head of client support saw results more than other departments. Thousand positive feedback from the customers regarding the application and how it works.

    • Victor R
      Victor R Head of Marketing at LeadHealth
      5.0 ★

      Web Development Review from Victor R

      We had a problem with a tremendous corporate website, which was very bad and not working. So we decided to create a new corporate website. I have asked a few marketing specialists to give us a contract of good It companies, also find good reviews about SST. As a result, we finally have a fantastic, well-designed, and working website. Also, the traffic of new customers increased by 200%. Also, SST has a suitable methodology for providing the project results in real-time.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.8 4.8 (7)
    5.0 5.0 (1)

  • Design Your Site

    CMS 2.0 SEO, Speed & Security BakedIN

    You spend time imagining how you can more effectively use online technology to improve your business! Hello, I am Mary Putnam and I spend my time commanding digital technology to accomplish your goals with dynamic websites, cloud based applications, and digital strategy...

    Top Services:

    • Digital Marketing
    • Web Development
    • Mobile App Development
    • Web Design
    • SEO
    • Show more
    Location
    Tulsa, Oklahoma
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed

    Design Your Site Services

    • Digital Marketing
    • Web Development
    • Mobile App Development
    • Web Design
    • SEO
    • Digital Strategy
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Memberhaven
    • WL Walker
    • John 3:16 Mission
    Data sourced from the agency's DesignRush profile

    Design Your Site Reviews & Testimonials

    • Lynn Ezell
      Lynn Ezell Managing Member at SRI Energy
      5.0 ★

      Web Design Review from Lynn Ezell

      Design Your Site has done a remarkable job managing our SEO and providing website development and enhancement. They also manage our e-mails. I have found them to be very knowledgable and in pace with current technology and optimization requirements. If we have any questions or concerns, they are very quick to respond, explain, and resolve, if needed. We are very happy with the service and products.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.3 4.3 (1)

  • EntaLogics

    AI-Augmented Software Development Company. SaaS, Web, Mobile, AI, Desktop Apps & Chromium Browsers.

    AI-augmented software development company. Senior developers + AI-powered workflows delivering production-ready SaaS, web, mobile, AI, desktop apps, and custom Chromium browsers. For startups, growing businesses, and enterprise...

    Top Services:

    • Software Development
    • UI/UX Design
    • Web Development
    • Cloud Consulting
    • DevOps Consulting
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed

    EntaLogics Services

    • Software Development
    • UI/UX Design
    • Web Development
    • Cloud Consulting
    • DevOps Consulting
    • IT Services
    • Mobile App Development
    • AI Development
    • Software Testing
    • Wearables
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • SentryBay Limited UK
    • Modestly
    • AOL
    • Matchups
    • Growth Labs
    • Thrive Client
    • Unicon LLC
    • Sociall
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • Sandler Software

    Build Right Deliver Better

    We deliver high-impact, scalable solutions by turning complex systems into efficient, reliable platforms. We help businesses cut through complexity and deliver software that performs, scales, and drives real results...

    Top Services:

    • Web Design
    • Web Development
    • WordPress Website Design
    • Software Testing
    • Mobile App Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000

    Sandler Software Services

    • Web Design
    • Web Development
    • WordPress Website Design
    • Software Testing
    • Mobile App Development
    • Software Development
    • AI Development
    • Cloud Consulting
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Microsoft
    • Whelen
    • EPS
    • Clear Measure
    • Waste Management
    Data sourced from the agency's DesignRush profile
    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

    Texono Services

    • Design Services
    • Web Development
    • Mobile App Development
    • Software Development
    • ERP Consulting
    • Staff Augmentation
    • Cloud Consulting
    • Managed Services
    • DevOps Consulting
    • HR Outsourcing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Corporate Services Industry
    • Manufacturing Industry
    • Energy & Mining Industry
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • Quarata Consulting

    Your Dream, Our Mission

    Our team of experts, with advanced degrees in electronic engineering, is dedicated to providing top-notch assistance. We excel in pinpointing your ideal customers, understanding their needs, and boosting your business through a meticulously crafted digital approach...

    Top Services:

    • Web Design
    • eCommerce Development
    • CRO
    • Video Marketing
    • SEO
    • Show more
    Location
    Colorado Springs, Colorado
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed

    Quarata Consulting Services

    • Web Design
    • eCommerce Development
    • CRO
    • Video Marketing
    • SEO
    • Video Production
    • PPC
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Black Scottie Chai
    • Igniting Leadership
    • Life Is For Everyone
    • I Am Ministries
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • Hbox Digital

    Turning Ideas Into Results

    HBOX LLC helps businesses build, scale, and innovate with reliable, future-ready technology solutions. Based in Marlborough with operations in Karachi, it combines global expertise with local talent. With 200+ experts, HBOX delivers custom software and staff augmentation services...

    Top Services:

    • Branding
    • Web Development
    • Digital Marketing
    • Blockchain
    • Mobile App Development
    • Show more
    Location
    Marlborough, Massachusetts
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000

    Hbox Digital Services

    • Branding
    • Web Development
    • Digital Marketing
    • Blockchain
    • Mobile App Development
    • Software Development
    • VR/AR
    • IoT
    • CRM Consulting
    • Staff Augmentation
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Carty
    • MindfulMood
    • Paradigm
    Data sourced from the agency's DesignRush profile

    Hbox Digital Reviews & Testimonials

    • Lesha Smith
      Lesha Smith Review from Google
      5.0 ★

      Lesha Smith's Review Sourced from Google

      Working with Sarah Ren and Hbox Digital has been an outstanding experience from the start. Sarah is absolutely brilliant — creative, knowledgeable, responsive, and incredibly skilled at bringing ideas to life. Her entire team is efficient, intelligent, professional, and truly a pleasure to work with. Throughout the development process, the communication has been clear, timelines are handled professionally, and every challenge is approached with confidence and expertise. If you are looking for app development, I highly recommend Sarah Ren and Hbox Digital.

    • Michael Birdie
      Michael Birdie Review from Google
      5.0 ★

      Michael Birdie's Review Sourced from Google

      Maddy and his team delivered an exceptional mobile app development experience from start to finish. They demonstrated a high level of professionalism, clear communication, and a deep understanding of our project requirements. Their strong product knowledge and expertise in the latest technologie especially AI really set them apart. The team was highly responsive, always open to feedback, and ensured that every feature was aligned with our vision. What impressed me the most was their commitment to quality and on-time delivery without compromising performance or user experience. Overall, working with Maddy and his team was smooth, reliable, and highly productive. I would highly recommend them to anyone looking for top-tier mobile app development services.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    5.0 5.0 (2)

  • WebeXcellence

    Transform Your Business Using Our Digital Solutions!

    We are a web and AI development agency helping startups and businesses build scalable digital products. Our team specializes in modern web applications, AI integrations, automation systems, and SaaS platforms. From idea to deployment, we focus on creating fast, secure, and user-friendly solutions that help...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • AI Development
    • Software Development
    • Show more
    Location
    Tracy, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed

    WebeXcellence Services

    • Web Design
    • eCommerce Development
    • Web Development
    • AI Development
    • Software Development
    • Mobile App Development
    • UI/UX Design
    • Branding
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • MinSmåjobb
    • IRG
    • Kognoz
    • Sysnet Solution
    • Brand Managers
    Data sourced from the agency's DesignRush profile

    WebeXcellence Reviews & Testimonials

    • Rutvik Gandhi
      Rutvik Gandhi Web Design Coordinator at Sysnet Tech Solution
      5.0 ★

      Web Development Review from Rutvik Gandhi

      We've had a great experience working with this web development team and have been collaborating with them for over 5+ years. They are extremely reliable, especially when it comes to handling emergency tickets with a significant time difference, they remain responsive and attentive. Whenever needed, they're available to jump on calls and address issues promptly. They consistently understand both our needs and our clients expectations, which makes collaboration smooth and efficient. One of their strongest qualities is their ability to stay on schedule they provide clear timelines for project completion and almost always deliver on time. Overall, their professionalism, responsiveness, and commitment to delivering quality work make them a highly dependable team to work with.

    • Aljan de Boer
      Aljan de Boer Review from Google
      5.0 ★

      Aljan de Boer's Review Sourced from Google

      I’ve been working with Dinesh and the WebExcellence team for several years now. We run an international leadership programme for high-profile CMOs, and Dinesh is our go-to partner for both our website and educational platform. He has supported us with everything from building and maintaining the platform to integrating livestreamed webinars via YouTube, and he also developed my personal website. Across all of this, his work has been consistently high quality. Dinesh is fast, highly responsive, and reliable, but what truly sets him apart is that he’s also a wonderfully kind and thoughtful human being. It’s rare to find someone who combines technical excellence with such a collaborative and generous approach, and I couldn’t recommend him more highly.

    • John Serrano
      John Serrano Review from Google
      5.0 ★

      John Serrano's Review Sourced from Google

      Excellent. Very competent and responsive. Reasonable rates. I used them to develop a website for my law firm and they were great. Even went beyond my requests and helped with SEO and Google Analytics. I see why they are ranked so high on Freelancer.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.3 4.3 (1)
    5.0 5.0 (9)

  • Depex Technologies

    We are creative, Innovative and Experienced

    Depex Technologies is a leading IT solutions provider specializing in app & web development, AI, digital marketing, and automation to drive business growth. Visit: www.depextechnologies.com...

    Top Services:

    • Web Design
    • Mobile App Development
    • Digital Marketing
    • Branding
    • eCommerce Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed

    Depex Technologies Services

    • Web Design
    • Mobile App Development
    • Digital Marketing
    • Branding
    • eCommerce Development
    • Web Development
    • Advertising
    • IoT
    • IT Services
    • Cloud Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Joseph Deir -USA
    • Anton Joha - UK
    • Sussane Siebr - DE
    • Abdiel Mejia - USA
    • Brett Balient - USA
    • Alain Cortesi - Spain
    • Taylor Kim -NZ
    • Kristin Pratt - UK
    • Kelsey Klein - USA
    • Md. Rizwan - ZA
    Data sourced from the agency's DesignRush profile

    Depex Technologies Reviews & Testimonials

    • Randhir Kumar
      Randhir Kumar Review from Google
      5.0 ★

      Randhir Kumar's Review Sourced from Google

      Depex Technologies provided excellent app development in Noida for my eCommerce idea. They understood what I wanted and gave practical suggestions. The whole process was simple, and my app is running well. I recommend them to anyone looking for app development in Noida.

    • Veer Randhir
      Veer Randhir Review from Google
      5.0 ★

      Veer Randhir's Review Sourced from Google

      I found Depex Technologies while looking for app development in Noida. Their developers are skilled, and the project was finished on time. The support after launch is also helpful. It’s a reliable option for anyone who needs app development in Noida.

    • Shambhu Nath Yadav
      Shambhu Nath Yadav Review from Google
      5.0 ★

      Shambhu Nath Yadav's Review Sourced from Google

      If you’re searching for a mobile app development company in Noida that actually listens to you (instead of talking in tech jargon), Depex Technologies is the place. I went in thinking I just needed an app, but these folks made it feel like I was building the next big thing. They explained everything—even to a “tech dinosaur” like me—and my app turned out better than I imagined. Highly recommend if you want a team that knows their stuff but also has a sense of humor.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.8 4.8 (33)

  • AGI Tech Global

    Your Partner in Digital Transformation!

    AGI Tech Global helps brands across the USA grow online with thoughtful design, search visibility, and code that speaks to real-world needs...

    Top Services:

    • Logo Design
    • Web Design
    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed

    AGI Tech Global Services

    • Logo Design
    • Web Design
    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • SEO
    • Mobile App Development
    • Digital Marketing
    • Email Marketing
    • eCommerce
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • The Woven Palace
    • Kids Polo Association
    • Körperpflege
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • AMG Digital Solutions LLC

    Your Vision Our Version.

    AMG Digital Solutions LLC is a leading digital marketing agency in Chicago, specializing in innovative strategies to enhance your online presence. We offer comprehensive services including SEO, PPC advertising, social media management, content marketing, and web design. Contact us today to elevate your...

    Top Services:

    • Graphic Design
    • Branding
    • Logo Design
    • Package Design
    • Web Design
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000

    AMG Digital Solutions LLC Services

    • Graphic Design
    • Branding
    • Logo Design
    • Package Design
    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • Digital Marketing
    • SEO
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • GameIn
    • SOL
    • ExamHub
    • 3G Real Estate
    Data sourced from the agency's DesignRush profile

    AMG Digital Solutions LLC Reviews & Testimonials

    • hiba xiddiquui
      hiba xiddiquui Review from Google
      5.0 ★

      hiba xiddiquui's Review Sourced from Google

      AMG Digital Solutions impressed us with their ability to manage time effectively. They prioritized tasks, adhered to deadlines, and delivered the logo design within the agreed-upon timeframe, without compromising on quality.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    5.0 5.0 (10)

  • Warp Development

    AI strategy and delivery that works in production, not just in demos.

    We help organisations close the gap between what AI could do for their business and what it is actually doing with the strategy, engineering, legacy modernisation, and enablement to make it work in production...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Managed Services
    • eCommerce Development
    • Show more
    Location
    Atlanta, Georgia
    Number of Employees
    100 - 249
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $1,000 - $10,000

    Warp Development Services

    • Software Development
    • Mobile App Development
    • Web Development
    • Managed Services
    • eCommerce Development
    • UI/UX Design
    • DevOps Consulting
    • AI Development
    • Cloud Consulting
    • Staff Augmentation
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Bidvest Waltons
    • Volvo
    • Datacentrix
    • Amrod
    • Office National
    • Digital Generation
    • Maroela Media
    • Medihelp
    • Montagu Snacks
    • Plankton
    Data sourced from the agency's DesignRush profile

    Warp Development Reviews & Testimonials

    • John Fontyn
      John Fontyn Review from Google
      1.0 ★

      John Fontyn's Review Sourced from Google

      Use this company at your peril. Taken over a year to produce our website, seem to know very little about ecommerce or SEO. Our online sales have dropped by 90%, still fighting to get a working product.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.7 4.7 (13)

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