Collaborate with top .NET development companies in the United States to modernize, streamline, and scale your systems through custom .NET development.

We Compiled the Best USA .Net Development Companies for You

8 Companies-Rankings updated: September 03, 2026

Every agency on DesignRush meets evaluation criteria around expertise and client feedback to empower informed choices. Some listings include paid partnerships.

United States × .Net Development × Other × $1,000 - $10,000 ×Clear Filters
  • Helping You Grow Your Business Online

    OuterBox specializes in SEO, paid media, website design & development, conversion rate optimization, email marketing, and web analytics with a house team of 250+ U.S.-based digital marketing experts. They boost clients' online presence with a "one-size-fits-one" approach to eCommerce marketing...

    Top Services:

    • SEO
    • PPC
    • Digital Marketing
    • eCommerce Development
    • CRO
    • Show more
    Location
    Akron, Ohio
    Number of Employees
    250 - 499
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    19 Projects Listed

    OuterBox Services

    • SEO
    • PPC
    • Digital Marketing
    • eCommerce Development
    • CRO
    • Web Design
    • Web Development
    • Email Marketing
    • eCommerce
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • University Hospitals
    • Lethal Performance
    • 1 EDI Source
    • ABB
    • Matco Tools
    • Tronair
    • Oneida
    • A&C Plastics
    • OE Wheels
    • Wholesale Accessory Market
    Data sourced from the agency's DesignRush profile

    OuterBox Reviews & Testimonials

    • Nick Kukta
      Nick Kukta VP at Great Western Reserve Fundraising
      5.0

      SEO Review from Nick Kukta

      I've been a SEO and Ads customer for several years now. Wonderful to work with and very responsive. Lead Gen is off the charts. Cheers to 4 years of working together and too many more in the future!

    • Jared Rosen
      Jared Rosen President & Chief Executive Officer & Professional & Actor at Lethal Performance
      5.0

      SEO Review from Jared Rosen

      Outerbox has played an instrumental part in the growth of our business. They're great at what they do and deliver results. Excellent to deal with as well. I highly recommend them.

    • William Decker
      William Decker Owner & General Manager at Lily Ann Cabinets
      5.0

      SEO Review from William Decker

      Worked with Outerbox for many years now, they were easy to work with and we had a great experience. Brandon and Justin produced fast results, and were very responsive.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Unique Software for Your Unique Business

    Sembit is a seasoned software development company based in Oregon. Its expertise spans app development, cloud services, and platform integration, making the agency a versatile software development partner. With proficiency in diverse technologies and a commitment to fostering a positive work environment...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • AI Development
    • Cloud Consulting
    • Show more
    Location
    Portland, Oregon
    Number of Employees
    Under 49
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed

    Sembit Services

    • Software Development
    • Web Development
    • Mobile App Development
    • AI Development
    • Cloud Consulting
    • eCommerce Development
    • UI/UX Design
    • Web Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • USCB
    • Kashi Labs
    • Master Clinician Network
    • Enviral Tech
    Data sourced from the agency's DesignRush profile

    Sembit Reviews & Testimonials

    • Bryan Beck
      Bryan Beck President at The Beck Group
      5.0

      AI Consulting Review from Bryan Beck

      Shaun introduced us to some of the functions available in the ChatGPT Business plan. We discovered some very powerful tools that we will use in our lumber industry research and consulting work. Shaun was a great, knowledgeable tour guide and helped us get pointed in the right direction.

    • Zach Gibbs
      Zach Gibbs Finance & Ops Analyst at Prairie Capital
      5.0

      Web Development Review from Zach Gibbs

      Sembit was fantastic to work with. They integrated our Zoho APIs and LIMS system seamlessly, and the dashboards they helped build have quickly become tools our teams use every day. The project went smoothly from start to finish, and the results have had a real impact on how we manage operations.

    • Adam Kaufman
      Adam Kaufman Director Product Marketing at Efficient Computer
      5.0

      Software Development Review from Adam Kaufman

      The team at Sembit and their work product has been nothing short of stellar. The team is a delight to work with. We have actively looked for more projects for them to work on because their deliverables are timely and of high quality. Sembit started out doing a mobile app project for us, then they grew to doing our Playground project for our effcc Compiler. They have also done a number of backend systems projects as well. The Sembit team are trusted advisors when we need to deploy a new system or work on a new project. Sembit will always be a go-to partner.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Revolutionize Your Business Online Presence With Us.

    We are an Affordable Digital Marketing Agency in Shawnee with budget-friendly solutions to amplify your brand. RevoluteX Digital: Your digital success catalyst! Specializing in Google marketing, website development, and social media magic, we craft online experiences that captivate and strategies that...

    Top Services:

    • Digital Services
    • Web Design
    • WordPress Website Design
    • Digital Marketing
    • SEO
    • Show more
    Location
    Shawnee, Kansas
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed

    RevoluteX Digital Services

    • Digital Services
    • Web Design
    • WordPress Website Design
    • Digital Marketing
    • SEO
    • PPC
    • Software Testing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Griswold Rubbish Removal
    • Oak Ridge Builders
    • Southern Gutter Solutions
    • GHI Improvements
    • Piranha Construction
    • Tint Shop Virginia LLC
    • Mey-er Handy LLC
    • Neomodern Construction Remodeling
    • HeroMaid (5 Profiles)
    • Select Express Mobile Detail
    Data sourced from the agency's DesignRush profile

    RevoluteX Digital Reviews & Testimonials

    • Laurence E. Del Priore
      Laurence E. Del Priore Owner at EDP Painting Company - Painter
      5.0

      SEO Review from Laurence E. Del Priore

      Working with Revolute X Digital has truly made a difference for our painting business. From the beginning, their team really understood what we needed, especially when it came to local SEO. Since partnering with them, weve noticed a real boost in traffic and more people reaching out for our services. They've been easy to work with clear communication, on time with everything, and the results have been great. Id definitely recommend Revolute X Digital to any small business that wants to grow online.

    • Fredrick Will
      Fredrick Will Business Owner at Souther Gutters Solution
      5.0

      Digital Services Review from Fredrick Will

      Working with RevoluteX Digital on local SEO optimization was a game-changer for my business. Their team took the time to understand my goals and created a clear strategy that helped boost my visibility in local search results. I saw noticeable improvements in Google rankings, increased traffic, and more customer inquiries within just a few weeks. They were transparent, responsive, and truly knowledgeable in the SEO space. I highly recommend RevoluteX Digital to any business looking to strengthen their local online presence.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Ketamine Marketing and Ketamine Lead Generation Experts

    Ketamine Lead Gen is a boutique marketing agency that works with Ketamine Clinics and Wellness Clinics to attract new patients for services such as Ketamine IV, IM Ketamine, Sublingual Ketamine, Esketamine (Spravato), TMS Therapy, MeRT for Autism, NAD Infusion Therapy, Nutritional IV, and more...

    Top Services:

    • PPC
    • Web Design
    • WordPress Website Design
    • Digital Marketing
    • SEO
    • Show more
    Location
    Ramona, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000

    Ketamine Lead Gen Services

    • PPC
    • Web Design
    • WordPress Website Design
    • Digital Marketing
    • SEO
    • Social Media Marketing
    • Media Buying
    • Content Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Marketing Industry
    • Advertising Industry
    • Small Business Idustry
    Data sourced from the agency's DesignRush profile

    Ketamine Lead Gen Reviews & Testimonials

    • Jon Kraus
      Jon Kraus Review from Google
      5.0

      Jon Kraus's Review Sourced from Google

      Ketamine Lead Gen has been a phenomenal asset to helping manage the digital marketing components of our business. From running ads to their mastery of SEO, having a team that is knowledgeable about the ketamine/TMS space is a tremendous help and a great group to partner with.

    • Steve Suntala
      Steve Suntala Review from Google
      5.0

      Steve Suntala's Review Sourced from Google

      We have been using Ketamine Lead Gen for 8 months with our clinic- New Pathways Clinic. Right away we were impressed with their knowledge and expertise in the Ketamine/Spravato space. They have helped us navigate this complex marketing/advertising space and have fantastic ad copy for those who need it. Really appreciate what the owners Jake and Steve have done for our practice!

    • Robert Miller
      Robert Miller Review from Google
      5.0

      Robert Miller's Review Sourced from Google

      We have tried several marketing agencies and these guys are hands down the best. Their communication, suggestions, and professionalism is unlike any other company. Jake and Steve are great to work with! They have nearly doubled our conversion rate.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • 25+ Years: Powering Digital Transformation, End-to-End.

    Stanga provides professional software development services globally to leading software firms, businesses, startups and digital agencies. Our team also specializes in building and managing tech teams...

    Top Services:

    • Staff Augmentation
    • Cloud Consulting
    • IT Services
    • Mobile App Development
    • Web Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    500 - 999
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    9 Projects Listed

    Stanga Services

    • Staff Augmentation
    • Cloud Consulting
    • IT Services
    • Mobile App Development
    • Web Development
    • Software Development
    • AI Development
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Medix
    • Imperva
    • Peugeot Motocycles
    • Dalet
    • Uhura Digital
    • TEOCO
    • Volkswagen
    • Matawan
    • McDonalds
    • Allot
    Data sourced from the agency's DesignRush profile

    Stanga Reviews & Testimonials

    • Georgi Dimitrov
      Georgi Dimitrov Review from Google
      5.0

      Georgi Dimitrov's Review Sourced from Google

      Extremely professional team of software experts and IT Professionalists that takes very seriously each development request and approaches the specific business needs of the client with deep understanding about the specific business domain.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Award Winning, Full Service Digital Marketing Agency

    At Media Components, we help businesses grow smarter. As a leading digital marketing agency with 20+ years of experience, we specialize in boosting online visibility, driving conversions, and maximizing ROI for companies of all sizes. From startups to established enterprises, we tailor our strategies to meet...

    Top Services:

    • Digital Marketing
    • PPC
    • Social Media Marketing
    • SEO
    • WordPress Website Design
    • Show more
    Location
    Hopewell, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    8 Projects Listed

    Media Components Services

    • Digital Marketing
    • PPC
    • Social Media Marketing
    • SEO
    • WordPress Website Design
    • Web Design
    • eCommerce Development
    • Branding
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • NetCost Market
    • Jefferson Hospital
    • ReMax Realty
    • Prime Care VIP
    • Dunya Home Design
    • Casa Eleganza
    • Penn East Federal Credit Union
    • SSL Productions
    • Honor Health Network
    • All American Homecare Agency
    Data sourced from the agency's DesignRush profile

    Media Components Reviews & Testimonials

    • Elizaveta Samorukova
      Elizaveta Samorukova Review from Google
      5.0

      Elizaveta Samorukova's Review Sourced from Google

      Professional and very skilled team. I love the YouTube videos that they create for my channel. The videos are always high quality and beautifully done. As a result, I have more YouTube subscribers. I recommend Media Componets for your business development needs!

    • Alper Behar
      Alper Behar Review from Google
      5.0

      Alper Behar's Review Sourced from Google

      Media Components has created the website for our networking group Boca business builders. And they are very successfully managing this website for us.Media Components is also making sure that Customer database is up-to-date and properly managed. Denise is a great resource for artificial intelligence related questions. We highly recommend Media Components and Denis.

    • Tricia Frigo
      Tricia Frigo Review from Google
      5.0

      Tricia Frigo's Review Sourced from Google

      Working with Media Components for the Lighting Loft grand opening was a pleasure. From the start, they were attentive, understood the vibe I was going for, and captured every important moment—both in video and photos. They made the process seamless and delivered beautiful, high-quality content that truly reflected the event. I’d work with them again in a heartbeat and highly recommend them to anyone looking for a team that combines creativity with professionalism.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Your Guiding Light for Digital Marketing

    Renaissance Marketing is a premium digital marketing & SEO agency based in Tampa with a Richmond hub, serving clients nationwide. We align SEO, web design, CRO, PPC, and programmatic to build predictable growth for mid-market brands and agencies...

    Top Services:

    • SEO
    • Digital Marketing
    • PPC
    • Social Media Marketing
    • Advertising
    • Show more
    Location
    Tampa, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000

    Renaissance Marketing Services

    • SEO
    • Digital Marketing
    • PPC
    • Social Media Marketing
    • Advertising
    • CRO
    • Web Development
    • WordPress Website Design
    • Web Design
    • Video Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Chesterfield Auto Parts
    • Irby Dentistry
    • Mountain View Orthodontics
    • Sports Towing & Heavy Duty Recovery
    Data sourced from the agency's DesignRush profile

    Renaissance Marketing Reviews & Testimonials

    • bana hosseinian
      bana hosseinian Review from Google
      5.0

      bana hosseinian's Review Sourced from Google

      Wonderful team are truly professional and great to work with. I highly recommend using them for you business needs. I cannot recommend them enough! Thank you for all your hard work.

    • Thom VanderKlipp
      Thom VanderKlipp Review from Google
      5.0

      Thom VanderKlipp's Review Sourced from Google

      The Renaissance team is awesome! We're an ad agency that partners with them to round out our capabilities, and they've always over-delivered. We've white-labeled, blue-labeled, and co-labeled with them, and they work just as hard and deliver great performance no matter the arrangement. Their buying capabilities are extremely competitive, and their analytics are cutting-edge and comprehensive, so we plan to keep working with them on every project that makes sense. Highly recommend!

    • Donald Silver
      Donald Silver Review from Google
      5.0

      Donald Silver's Review Sourced from Google

      We often team up with Eric Alonzi andRenaissance Marketing to analyze, design and implement winning Florida digital marketing campaigns. We could t be happier with the advice and results.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Custom Application & Web Dev Professionals

    Epic Apps | Custom Mobile App Development & Web Platforms...

    Top Services:

    • Web Development
    • Web Design
    • Mobile App Development
    • WordPress Website Design
    • SEO
    • Show more
    Location
    Greenwood Village, Colorado
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $1,000 - $10,000

    Epic Apps Services

    • Web Development
    • Web Design
    • Mobile App Development
    • WordPress Website Design
    • SEO
    • Software Development
    • AI Development
    • IoT
    • Staff Augmentation
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Outlets at Castle Rock
    • Douglass Colony
    • Designs by Sundown
    • JRF Ortho
    • University of Colorado Boulder
    Data sourced from the agency's DesignRush profile

    Epic Apps Reviews & Testimonials

    • Jim G
      Jim G Review from Google
      5.0

      Jim G's Review Sourced from Google

      As the owner of a commercial construction and maintenance company I have constant communication challenges…getting updates from the field, tracking materials, managing hours. It was eating up way too much time for everyone involved.We brought Epic Apps in to solve that, and they delivered on every front. They built us a custom private tablet app that our field crews use daily to order job materials, log hours, and submit job updates; and an internal website that doubles as an employee feedback hub, which has genuinely improved how we operate as a company.The whole team was professional and responsive from start to finish. If you're in the trades and looking for a development partner who actually gets your industry, Epic Apps is the real deal. I highly recommend them!Jim GagnonOwner – NorCal Construction & Maintenance Inc.

    • Elizabeth Stevens
      Elizabeth Stevens Review from Google
      5.0

      Elizabeth Stevens's Review Sourced from Google

      After I had a false start with another developer, I found Epic Apps- they were ready to jump right in and were conscious of my budget. They made my dream come true of launching my own meditation app, Eyes Inward. Highly recommended!

    • TrustFall
      TrustFall Review from Google
      5.0

      TrustFall's Review Sourced from Google

      I had an excellent experience working with this tech development company. They helped me create a unique app from scratch with creativity, collaboration, and thorough attention to detail. They truly understood my niche and provided a solid foundation I can expand on. Communication was professional and consistent throughout the process. I am very happy with the cost, service, and efficiency. The team's enthusiasm and commitment were also spot on, making the entire experience enjoyable and productive. Highly recommended! Truly, Epic!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews

Frequently Asked Questions

What services does a .NET development company in the United States provide?

A .NET development company in the United States provides full-cycle custom software, website, mobile app, and cloud development using the .NET framework and ecosystem. Specifically, they offer the following: 

  • Software audit: Analyzing the software performance, identifying issues, and creating strategies for improvements 
  • .NET modernization: Updating the solution’s codebase, infrastructure, UI/UX design, and other functionalities to the latest standards and technologies 
  • .NET migration: Securely transferring documents and data to a .NET software while minimizing disruption to core business processes 
  • Cross-platform development: Crafting applications that can seamlessly function on iOS, Android, Windows, and Linux devices using a single base code 
  • Custom APIs: Unifying systems by integrating .NET software with other apps and solutions 
  • Enterprise solution development: Producing custom customer relationship management (CRM), finance, and inventory systems based on .NET and Windows apps 
  • .NET consulting: Providing expert advice on optimizing the use of the .NET ecosystem and enhancing current technologies 
  • Maintenance and support: Continuously monitoring performance, resolving issues, and updating .NET applications to ensure they remain fully functional 

How much does it cost to develop a .NET solution in the United States?

On average, a .NET solution in the United States costs between $20,000 and $100,000. The final price will depend on the software type, core features and functions, project timeline, compliance requirements, and team expertise.  

Here’s an estimation of .NET project costs: 

  • Websites: $10,000-$200,000 
  • Desktop software: $20,000-$150,000 
  • Mobile apps: $20,000-$150,000 
  • Enterprise solutions: $50,000-$1,000,000 
  • Game development: $10,000-$1,000,000 
  • eCommerce apps: $10,000-$200,000 

How long does a .NET development company in the United States take to complete a project?

Typically, a .NET development company in the United States takes about 2 to 6 months to complete a project. However, the timeline will ultimately depend on project scope and complexity, development methodology (agile, waterfall, and scrum), and team size. 

Below is a timeline breakdown: 

  • Research, discovery, and design: 2-4 weeks 
  • Development: 4-12 weeks 
  • Testing: 2-6 weeks 
  • Launch: 1-2 weeks 

How do I choose the right USA .NET development company?

To choose the right USA .NET development company for your business, consider the following steps: 

Outline project goals, timeline, budget, target users, and technical requirements 

  1. Examine the agency’s service range and technical proficiency, especially in related technologies like ASP.NET, MVC, and Web API 
  2. Identify if the agency has case studies and portfolios on projects similar to yours 
  3. Read the agency’s positive and negative client reviews to assess its customer service strengths and weaknesses 
  4. Seek out awards, recognitions, and certifications 
  5. Send a request for proposal (RFP) to your top 5-8 candidates 
  6. Schedule an introductory meeting and inquire about security measurements, IP rights, and development approach 
  7. Select a US .NET development company that aligns with your budget, project requirements, and company culture 

Struggling to find a US .NET company? Visit our Marketplace and send your project requirements. We will match you with companies that best meet your criteria — at no cost! 

How do USA .NET development companies ensure quality results?

USA .NET development companies ensure quality results by implementing a comprehensive quality assurance (QA) strategy customized to your specific business objectives. The strategy typically includes a series of tests to verify the software’s end-to-end functionality, usability, security, interoperability, and durability. It also helps ensure that the final product aligns with your business requirements and meets industry standards. 

Here are some of the QA tests that US .NET development companies employ: 

  • Unit testing: Examines the software’s individual components, including module behavior, code-level functions, and error handling 
  • User acceptance testing: Simulates real-world usage, such as user interaction and how well the app integrates with business processes and workflows 
  • Integration testing: Assesses how the different system components interact with each other, including how data flows and how third-party systems work together 
  • Regression testing: Analyzes the stability and functionality of the app after a bug has been fixed 

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