Best C# Developers in the United States

9 Companies-Rankings updated: September 03, 2026

Each agency undergoes DesignRush evaluation for professional expertise and genuine client satisfaction to assist your search. Some featured placements are paid.

United States × C# Development × Dental × $10,000 - $25,000 ×Clear Filters
  • eSEOspace

    Award WinnerRecipient of a Best Design Award for outstanding work.

    Custom Website Design Company. Local US-based team! We Preserve & Optimize your SEO in the Process

    Services We Offer: Software, Web Applications. We have 15+ years of experience designing and developing websites and software from scratch. Our background and emphasis in behavior science allows us to creatively design websites and software systems to convert. Call us at: (916) 866-7893 for a quote!...

    Top Services:

    • Web Design
    • Web Development
    • WordPress Website Design
    • eCommerce Development
    • SEO
    • Show more
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    32 Projects Listed

    eSEOspace Services

    • Web Design
    • Web Development
    • WordPress Website Design
    • eCommerce Development
    • SEO
    • Graphic Design
    • Mobile App Development
    • CRM Consulting
    • Software Testing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Executive Partners
    • Atlantic Partners Corp
    • Canyon Plastics
    • J Allen Fabrics
    • onePRgroup
    • The Sleep Nest
    • EdgeCTP
    • Consultants in Corporate Innovation
    • CalMuni Advisors
    • Avitasen
    Data sourced from the agency's DesignRush profile

    eSEOspace Reviews & Testimonials

    • Muriell Carlisle, LMHC, RAS, C.H.T.
      Muriell Carlisle, LMHC, RAS, C.H.T. Owner at Counseling Oregon, LLC
      5.0

      Web Design Review from Muriell Carlisle, LMHC, RAS, C.H.T.

      I just want to express my deepest gratitude for all of your help. I can't tell you enough how much I LOVE the website. I think it's so beautiful, professional and elegant. I think it's one of the best therapist's website[s] on the market. :) Thanks to Jeanette and [the] rest of the team for their creativity and neat work and Irina for her incredible knowledge about SEO and resources! You guys rock! (Verified via email)

    • Alyssa Brenke
      Alyssa Brenke Marketing Manager at Cole Industrial, Inc.
      4.8

      Web Design Review from Alyssa Brenke

      Specifically, working with Ben was amazing! He was incredibly responsive and answered all my questions throughout the process of updating our website. Our original site was built roughly a decade ago (or longer) so we were in need of some streamlining and modernization. The team did just that and quickly! The first iteration was spot on for what we were looking for. Not to mention, they were able to launch quickly and without any interruption to our daily operations. Would 100% recommend [it]!

    • George Shvaya CEO at Pocket Deals
      5.0

      Web Design Review from George Shvaya

      Irina and Ben from [eSEOspace] were a dream to work with! Not only did they turn[...]around work quickly, but their attention to detail is fantastic, as is their regular communication. I will definitely be reaching out to [eSEOspace] again in the future with more work! (Verified via email)

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Lets build some tech together!

    Guiding and helping businesses worldwide build solutions that sell. Genetech is an award-winning custom software development company with almost 2 decades of experience in delivering top-notch tech services, including AI, IoT, Intelligent Apps, Cyber Security, and Tech Talent...

    Top Services:

    • Software Development
    • AI Development
    • Mobile App Development
    • Staff Augmentation
    • Cybersecurity
    • Show more
    Location
    Ann Arbor, Michigan
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    34 Projects Listed

    Genetech Solutions Services

    • Software Development
    • AI Development
    • Mobile App Development
    • Staff Augmentation
    • Cybersecurity
    • Web Development
    • WordPress Website Design
    • Software Testing
    • eCommerce Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Dearing Studio
    • Stubgroup
    • NIKOS
    • Global Nephrology Solutions
    • Le Bijou
    • Solutions 8
    • TheBlueFish.com
    • MicroElec Technical
    • 3PL Systems Inc.
    • My Boracay Guide
    Data sourced from the agency's DesignRush profile

    Genetech Solutions Reviews & Testimonials

    • Jason Stern
      Jason Stern President at Enlightened Media
      5.0

      Web Design Review from Jason Stern

      This company is a pleasure to work with. They respond timely and have a true expertise in their field. We recommend them for any advanced website code, e-commerce coding, tracking or SEO related projects.

    • Griffin Joliboix
      Griffin Joliboix COO at The Basketry by Phina
      5.0

      Web Development Review from Griffin Joliboix

      The team at Genetech did a great job helping us get our website back on track when updates were pushed through that we were unaware of. These updates caused implications that were problematic to our website performance at the most crucial time of the year for our sales, and their timely work helped out tremendously.

    • Ramy Hanna
      Ramy Hanna CEO at Trinity Design and Build LLC
      5.0

      Web Design Review from Ramy Hanna

      Best team to contact with, Easy to communicate, They take u step by step to complete our project in an easy efficient way, Reasonable price, I recommend them

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Intelligent Marketing Firm

    As a top digital marketing firm, Search Engine Projects (SEP) offers search engine optimization (SEO), search engine marketing (SEM), website design, localization, social media marketing, web analytics, and website usability for many clients in the USA...

    Top Services:

    • Digital Marketing
    • SEO
    • Social Media Marketing
    • PPC
    • eCommerce
    • Show more
    Location
    Orange County, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    12 Projects Listed

    Search Engine Projects Services

    • Digital Marketing
    • SEO
    • Social Media Marketing
    • PPC
    • eCommerce
    • Web Design
    • WordPress Website Design
    • Web Development
    • Digital Services
    • Digital Strategy
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Printec
    • General Auction Company
    • Soboba Weight Loss
    • American Sleep Store
    • Modern Rug Importers
    • Biotouch Academy
    • SNA Auto Rental
    • Robert Don, DDS
    • Handel On The Law
    • Dental Office Website
    Data sourced from the agency's DesignRush profile

    Search Engine Projects Reviews & Testimonials

    • Ken Calof
      Ken Calof Owner at Calof Coaching
      5.0

      SEO Review from Ken Calof

      I engaged Search Engine Projects approximately three months ago to improve my website's search visibility and overall online presence. Working with Shawn and his team has been an outstanding experience from start to finish. The team conducted a comprehensive audit of my website and delivered proactive, actionable strategies to enhance both its design appeal and search engine performance. They then implemented the recommended changes efficiently and professionally. Shawn is hands-on, accessible, and takes the time to explain his recommendations in clear terms, which made the entire process transparent and collaborative. Within three months, my website has a noticeably more polished, professional appearance and is now ranking number one in organic search results a significant improvement in visibility that has directly benefited my business. I highly recommend Search Engine Projects Digital Marketing to any company seeking a knowledgeable, responsive SEO and digital marketing partner.

    • Marjan Khorrami
      Marjan Khorrami President at Khorrami Chiropractic Wellness Center
      5.0

      SEO Review from Marjan Khorrami

      I was referred to SEP marketing company by an attorney friend to redesign my website and handle my SEO and marketing. He said "if it doesn't work for you I will pay everything you paid this company". From the moment we started working together, the experience has been outstanding. They created an excellent website that looks professional and is easy for patients to navigate. Since launching the new website and starting new marketing strategy, our patients traffic has increased noticeably. They also consistently create informative and engaging content for our social media, which has helped strengthen our online presence. And what truly sets them apart is their responsiveness, no matter when I call, they always answer and are always ready to help. I only wish I had started working with them much sooner. I highly recommend Search Engine Projects company for any business looking to grow.

    • Shabnam Zafarmand
      Shabnam Zafarmand Owner at Mission Art Center
      4.8

      SEO Review from Shabnam Zafarmand

      pivotal role in elevating the online presence and local visibility of Mission Art Center, an esteemed art school in Orange County. Recognizing the centers mission to inspire creativity and nurture talent, SEP crafted a comprehensive digital marketing strategy that began with a modern, visually engaging website redesign. The new website showcased Mission Art Centers vibrant classes, workshops, and events, making it easier for prospective students and parents to explore the curriculum, view art galleries, and register for classes seamlessly.SEP didnt stop at just an aesthetic revamp; they optimized the website for local SEO to ensure it ranked prominently for key search terms like art classes in Orange County and best art school near me. With strategically placed keywords, optimized meta descriptions, and fast-loading pages, Mission Art Centers site began to appear on the first page of Google search results.In addition to website development and SEO, SEP implemented a targeted ads management campaign across Google Ads and social media platforms. By identifying Mission Art Centers ideal student demographic, SEP crafted compelling ad creatives and copy that highlighted the centers unique programs, family-friendly atmosphere, and professional instruction. These ads not only boosted brand awareness but also drove measurable increases in website traffic and enrollments.Regular performance tracking and reporting enabled SEP to fine-tune the campaigns, ensuring continuous improvement and maximizing the return on investment. SEPs efforts resulted in a significant increase in inquiries, a spike in organic search visibility, and a noticeable uptick in class sign-ups, making Mission Art Center a go-to destination for art education in the local community.Thanks to SEPs expert website design, SEO, and advertising, Mission Art Center now has a strong online presence that reflects its vision and draws aspiring artists from across the region.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Custom software development services and mobile app development

    WTT Solutions is a custom software development agency that helps businesses achieve their goals through cutting-edge technology. We specialize in web development, crafting high-performance platforms, and mobile app development, delivering intuitive applications that enhance business growth...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • Staff Augmentation
    • Web Development
    • Show more
    Location
    Dallas, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    9 Projects Listed

    WTT Solutions Services

    • Software Development
    • Mobile App Development
    • AI Development
    • Staff Augmentation
    • Web Development
    • Blockchain
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • IntentifyAI
    • Amigoes
    • Forecheck
    • Infinity-D
    • PLH - IDEMS
    • uRecruits
    • PurplePass
    • Paidiem
    • Luklabs
    • Abu Dhabi Police
    Data sourced from the agency's DesignRush profile

    WTT Solutions Reviews & Testimonials

    • Willy Danenberg
      Willy Danenberg Program & Project Manager, Head Global Systemic, Smart, Digital, Supply Chain & Financial Change at AltoChange
      5.0

      Cloud Consulting Review from Willy Danenberg

      I had the pleasure to work with Serhii from WTT Solutions on a complex and a complete Windows desktop application. Serhii communicated very professionally, finished and delivered a high quality work on time. Based on my experience, I highly recommend him as he is a very pleasant and competent person to work with and I hope you will be happy with his services as I and the team involved were.

    • Bill Rafferty
      Bill Rafferty Principal Consultant at Hidden Industries
      5.0

      IT Services Review from Bill Rafferty

      I first heard about WTT Solutions through a colleague who had a great experience with them, and I’m glad I took their recommendation. The team was professional, transparent, and really knew their stuff when it came to offshore development. Communication was clear, and they were always on top of timelines and costs. Overall, it was a smooth and reliable experience . I’d definitely hire them again.

    • Bryan Thomas
      Bryan Thomas Owner at M.C. Dean, Inc
      5.0

      Cloud Consulting Review from Bryan Thomas

      WTT Solutions provided UI designs for a construction company. The team provided designs for the mobile and desktop versions of the SaaS platform. The UI design exceeded the expectations of the internal team. WTT Solutions provides high-quality deliverables in a timely manner. The team is understanding and hard-working.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Engineering Tailored, High-Performance Software

    Tensho Labs is an international software studio specializing in building intelligent , scalable and design driven digital products. From AI powered SAAS platforms to tools and systems to support the most intricate business processes...

    Top Services:

    • Software Development
    • Web Design
    • Web Development
    Location
    Atlanta, Georgia
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    5 Projects Listed

    Tensho Labs LLC Services

    • Software Development
    • Web Design
    • Web Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • NesqualTech
    • Castello de Ristonchi
    • Autoform
    • Geibl Pools
    • Teamstars
    • Toe-Paz
    • Intergated Academic Forum
    • Fitness Finder
    • WonderWine
    Data sourced from the agency's DesignRush profile

    Tensho Labs LLC Reviews & Testimonials

    • Aashiq Ahmed
      Aashiq Ahmed Founder and CEO at Calcera Global
      5.0

      Outsourcing Review from Aashiq Ahmed

      Tensho Labs LLC delivered high-quality software with a strong focus on performance, scalability, and long-term maintainability. Their engineering approach is structured and thoughtful, with clear attention to understanding requirements before implementation rather than rushing into development.Communication was consistent and professional throughout the project. The team was responsive to feedback, proactive in highlighting risks or improvements, and transparent about timelines and technical decisions. Deliverables were completed on schedule, and any changes or refinements were handled efficiently without compromising quality.From an engineering perspective, their solutions were well-architected, cleanly implemented, and aligned with best practices. While pricing reflects the level of expertise and customization involved, the value delivered justifies the cost.Overall, Tensho Labs is a reliable partner for organizations looking for tailored, high-performance software solutions, and I would confidently recommend them for complex or mission-critical projects.

    • Teo Hentzschel
      Teo Hentzschel Founder at Sinn + System
      4.8

      Web Development Review from Teo Hentzschel

      It's always a pleasure working with the team of Tensho Labs. I really like their drive and their willingness to improve existing ideas and concepts. In the end, they always deliver in high quality and the communication during projects is super fast and friendly. I highly recommend them.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Empowering Businesses with AI & Custom Development

    Phenologix helps startups, SMBs, and enterprises build scalable software, automate operations, and accelerate digital transformation. With a skilled engineering team and over 14 years of experience, we deliver AI, automation, and custom software solutions that improve efficiency and reduce manual work. Our...

    Top Services:

    • AI Development
    • Software Development
    • Staff Augmentation
    • Web Development
    • eCommerce Development
    • Show more
    Location
    Austin, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000

    Phenologix Services

    • AI Development
    • Software Development
    • Staff Augmentation
    • Web Development
    • eCommerce Development
    • Cloud Consulting
    • Product Design
    • Web Design
    • WordPress Website Design
    • Software Testing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • AWS
    • Inflectra
    • Ingram
    • UiPath
    • Openbots
    Data sourced from the agency's DesignRush profile

    Phenologix Reviews & Testimonials

    • Rizwan Sohail
      Rizwan Sohail CEO at 7601662 Canada Inc
      5.0

      Software Development Review from Rizwan Sohail

      Phenologix delivered a highly effective Amazon order management and FBA automation platform that transformed how we run our operations. The system centralized our inventory, orders, vendor workflows, and shipment tracking into one easy-to-use platform. Their team understood our business needs deeply and translated them into a scalable, practical solution. Project management was strong throughout, with clear communication, timely delivery, and quick responsiveness to changes. We saw a significant reduction in manual work, better inventory planning, and improved decision-making across our teams. What stood out most was their ability to combine technical expertise with real operational insight. Overall, it has been a very positive long-term partnership with measurable impact

    • Awais Anwar
      Awais Anwar Managing Partner at Tekvaly
      5.0

      AI Development Review from Awais Anwar

      We hired Phenologix to help build AI functionalities on Hiredrdoid (SAAS platform). Working with this team was a great decision for us. They really understood our business and turned it into something were proud to show. What I appreciated most was how easy they were to work with. Clear communication, quick responses, and a strong sense of ownership throughout the project. They handled everything end to end without any stress on our side. Were genuinely happy with the outcome and would absolutely work with them again.

    • Rizwan Sohail
      Rizwan Sohail Review from Google
      5.0

      Rizwan Sohail's Review Sourced from Google

      Working with Phenologix was a great experience for web and phone application software for amazon, ebay, walmart & others to automate orders, shipping, purchasing prediction, ppc ads, inventory management and lot more. They delivered real automation and improved our operations significantly. Professional, reliable, and results-driven, highly recommended.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Helps businesses build and scale dedicated development teams in the Philippines

    Full Scale helps software companies build and scale engineering teams. Founded in 2018, we place vetted developers, QA, and team leads from the Philippines with US tech companies. 300+ engineers on staff, 93%+ retention, rates starting at $35/hr, and no long-term contracts...

    Top Services:

    • Staff Augmentation
    • Software Development
    Location
    Overland Park, Kansas
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed

    Full Scale.io Services

    • Staff Augmentation
    • Software Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • NavMD
    • PMI Rate Pro
    • Homebase.ai
    Data sourced from the agency's DesignRush profile
  • Modern Infrastructure For Property Management

    Domio Labs delivers production-ready SaaS and AI-powered applications at the speed AI-accelerated engineering allows fixed scope, fixed price, senior engineers throughout. No junior staffing, no scope creep, no vendor lock-in. Built for operators who need software that works on the first delivery, not the...

    Top Services:

    • Software Development
    • Mobile App Development
    • eCommerce Development
    • Web Development
    • Managed Services
    • Show more
    Location
    Atlanta, Georgia
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed

    Domio Labs Services

    • Software Development
    • Mobile App Development
    • eCommerce Development
    • Web Development
    • Managed Services
    • Cloud Consulting
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • DomoDomu
    • LandlordOS
    • HoaOS
    • PropPay
    • PraxiOS
    Data sourced from the agency's DesignRush profile
  • Meticulous Innovative Development

    At Meticul Solutions, we know how to help you define where you are going, and give you the tools to get there. We do this with a simple philosophy: We just don't design & develop applications for your requirements but rather make sure to understand your business to give you an end to end digital...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • eCommerce Development
    • UI/UX Design
    • Show more
    Location
    Houston, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $36/hr
    Minimal Budget
    $10,000 - $25,000

    Meticul Solutions Services

    • Software Development
    • Mobile App Development
    • AI Development
    • eCommerce Development
    • UI/UX Design
    • Staff Augmentation
    • Web Development
    • Digital Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Athlete Network
    • ODFL
    • AppleRock
    • Couchbase
    • Sustainment Technologies
    • Code Ninjas
    • Pixius Communications
    • NextLED
    • Dental4All
    • Arocha Hair Restoration
    Data sourced from the agency's DesignRush profile

ReceiveFreeProposals

For your project

1

Specify your budget, timeline and project requirements

2

Our experts curate a list of up to 5 most qualified candidate agencies

3

We connect you with them so you can choose the most suitable partner