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

7 Companies - Rankings updated: September 03, 2026

Each agency listed on DesignRush is assessed for industry expertise and customer testimonials are evaluated in order to provide you with a vetted selection. Certain listings represent paid partnerships.

.Net
Boutique
$10,000 - $25,000
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United States × .Net Development × Boutique × $10,000 - $25,000 × Clear Filters

  • Promodex

    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
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    4.8 4.8 (5)
    4.9 4.9 (15)

  • Articon

    Artistic Designs - Creative Concepts

    We at ARTICON (Custom Design Agency) believe and respect this proverb because we are in the business of creativity and ideas. We are here to create a GREAT First impression of our clients for their customers through our highly creative and unique presentations through our designs...

    Top Services:

    • Logo Design
    • Web Design
    • eCommerce Development
    • Branding
    • Mobile App Development
    • Show more
    Location
    Dallas, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    28 Projects Listed

    Articon Services

    • Logo Design
    • Web Design
    • eCommerce Development
    • Branding
    • Mobile App Development
    • Graphic Design
    • PPC
    • Design Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Painterslogics
    • Visafied
    • Candy's Cab
    • Valiant Creek Realty
    • JDR Design Services
    • Fly Abroad
    • Wahine winos Podcast
    • KFC
    • Painterslife
    Data sourced from the agency's DesignRush profile

    Articon Reviews & Testimonials

    • Faisal Ayub
      Faisal Ayub President at Texas LED Signage
      5.0 ★

      Web Design Review from Faisal Ayub

      I used Articon and Mr. Saad was very cooperative and understanding. I am very satisfied with my website development TEXASLEDSIGNAGE.com and I would definitely use him for future business.

    • Kara McFarlane
      Kara McFarlane RMT and owner at Beacon Hill Therapeutic Massage
      5.0 ★

      Small Business Review from Kara McFarlane

      Had [a] great experience and got everything done I wanted for [the] small business website and logo, with great response time! (Verified via email)

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.5 4.5 (2)

  • eCommerce Republic

    We Live & Breath Shopify

    eCommerce Republic is a premier eCommerce transformation partner, delivering scalable commerce platforms and high-impact digital retail experiences. We specialize in helping brands thrive online through precision engineering, design excellence, and performance marketing...

    Top Services:

    • eCommerce Development
    • Digital Services
    • Graphic Design
    • Branding
    • Web Design
    • Show more
    Location
    New Hyde Park, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    41 Projects Listed

    eCommerce Republic Services

    • eCommerce Development
    • Digital Services
    • Graphic Design
    • Branding
    • Web Design
    • Web Development
    • WordPress Website Design
    • Social Media Marketing
    • Software Development
    • Market Research
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Apothem
    • Designer Optics
    • frankie4
    • BUYSENSICA
    • ETICOS
    • GALFER EYE WEAR
    • GETLOTZA
    • GROUNDEDSHAKES
    • JUNO HOUSING
    • KAVEHOME
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • Horus

    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
    Visit Website View Profile

  • Working Weekends

    Making Your Digital Easier

    Working Weekends is a global Shopify Partner e-commerce agency helping brands design, build, and scale high-converting online stores. We specialize in custom Shopify development, UI/UX, CRO, SEO, and performance marketing to drive measurable growth. With teams across India, Dubai, and the US, we work with...

    Top Services:

    • Web Development
    • eCommerce Development
    • Digital Marketing
    • SEO
    • CRO
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    5 Projects Listed

    Working Weekends Services

    • Web Development
    • eCommerce Development
    • Digital Marketing
    • SEO
    • CRO
    • PPC
    • Mobile App Development
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Go Off Road Barnsley
    • Goshwara
    • SuperYou
    • MDNancy
    • Cosmic Palms
    • Revival Rugs
    Data sourced from the agency's DesignRush profile

    Working Weekends Reviews & Testimonials

    • asad aamir
      asad aamir Review from Google
      5.0 ★

      asad aamir's Review Sourced from Google

      Working Weekends did an incredible job building my toy store! Their creativity and attention to detail exceeded my expectations. Highly recommend their services!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    5.0 5.0 (8)

  • BCS Tech

    Your Solution Partner For The Digital Age!

    At BCS Tech, we offer premium web design and marketing services tailored to elevate your brand. Specializing in custom website development and targeted marketing campaigns, we craft solutions that connect with your audience and drive results...

    Top Services:

    • Web Design
    • Branding
    • Digital Marketing
    • IoT
    • Mobile App Development
    • Show more
    Location
    Houston, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $250/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed

    BCS Tech Services

    • Web Design
    • Branding
    • Digital Marketing
    • IoT
    • Mobile App Development
    • Graphic Design
    • UI/UX Design
    • SEO
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Ayrshire Farm
    • Imperial Jewelry Co.
    • Limitless Entertainment
    • Solomon Law Group
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • NextOlive

    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
    Irvine, California
    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
    Visit Website View Profile

Related Software Development Specializations in the US

Popular Services

Why People Trust DesignRush

Rated 4.8 on Google and 4.7 on Trustpilot, DesignRush Agency Directory is a reliable resource for finding .NET development companies in the United States. We owe this to our executive selection team, which follows a strict screening process when featuring agencies on the platform, assessing key performance indicators, like portfolio, client reviews, and industry reputation.

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Learn more about DesignRush Agency Ranking Methodology.

Sources

DesignRush sustains a directory of over 40,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:

  • Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
  • The agencies listed get notified of their profiles on the website and they can choose to claim it or not, which suggests their availability for more collaborations.

Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.

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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