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

966 Companies-Rankings updated: October 19, 2026

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

United States × .Net Development × Sort by: Top Rated ×Clear Filters
  • Luxury Construction Starts Here

    Luxury Construction Starts Here

    B West Builders is a Los Angeles-based general contracting company specializing in luxury residential remodeling, custom home construction, and high-end commercial renovation projects. The firm provides comprehensive construction services including home remodeling, kitchen and bathroom renovations, home...

    Top Services:

    • Business Consulting
    • Design Services
    • Digital Services
    • UI/UX Design
    • CRO
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Portfolios Count
    1 Project Listed
  • Beyond Expectation

    Beyond Expectation

    PROCEED is a full-service digital marketing agency focused on helping businesses push boundaries and achieve exceptional results. Specializing in 360-degree digital solutions, they offer services in website design, SEO optimization, social media management, and content creation...

    Top Services:

    • Creative Services
    • SEO
    • Content Marketing
    • Web Development
    • PPC
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Transformation Partners

    Transformation Partners

    Bay Forward is a multinational ecosystem service provider and technology consulting firm specializing in Enterprise Resource Planning (ERP) implementations, artificial intelligence, and financial management. They help businesses automate operations and scale by providing fractional CFO services, bookkeeping...

    Top Services:

    • Branding
    • Digital Strategy
    • Web Development
    • UI/UX Design
    • CRO
    • Show more
    Location
    Miami Lakes, Florida
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
  • Where Ideas Become Digital Reality

    Where Ideas Become Digital Reality

    The Design LLC is a results-driven digital agencycrafting modern websites, powerful branding, and smart marketing solutions to help businesses grow and stand out online. We create high-impact digital experiences through innovative designs...

    Top Services:

    • Logo Design
    • Web Development
    • eCommerce Development
    • Creative Services
    • Graphic Design
    • Show more
    Location
    Richmond, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
  • Sustainable Internet Marketing

    Sustainable Internet Marketing

    A team-based search marketing agency working with companies across the country, Portland SEO Consultant runs three core services from its home base in Oregon: SEO, AI search optimization (AIO), and Google Ads, with local and national organic search handled under the SEO side. Copywriters, developers, link...

    Top Services:

    • SEO
    • PPC
    • AI Development
    • Digital Marketing
    • Digital Strategy
    • Show more
    Location
    Portland, Oregon
    Number of Employees
    Under 49
    Average Hourly Rate
    $165/hr
    Minimal Budget
    $1,000 - $10,000
  • 253 Media

    VerifiedVerified by the DesignRush team for authenticity and credibility.
    Proven Website Formula Scales Brands

    Proven Website Formula Scales Brands

    We are a full service design and development agency based out of the US specializing in Web flow, shopify and WordPress builds. Once the website is optimized we also help the client bring in traffic through SEO, PPC and convert the traffic into revenue with our CRO services...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • UI/UX Design
    • Show more
    Location
    Needham, Massachusetts
    Number of Employees
    Under 49
    Average Hourly Rate
    $120/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    28 Projects Listed
  • Product Design & Development Agency For SaaS And Fintech

    Product Design & Development Agency For SaaS And Fintech

    Visiata is a design and development studio that helps businesses build intuitive digital products through integrated strategy, design, and engineering. The studio combines product strategy, UI/UX design, web and mobile development, and ongoing product support to create scalable, high-performance digital...

    Top Services:

    • Graphic Design
    • Web Design
    • Web Development
    • AI Development
    • Digital Services
    • Show more
    Location
    Brentwood, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    7 Projects Listed
  • Software and Mobile App Development Company

    Software and Mobile App Development Company

    Dedev is a mobile and web app development company helping startups, SaaS businesses, and enterprises turn ideas into scalable digital products. Since 2022, our team has built modern, high-performance applications with a focus on usability, reliability, and long-term growth. From MVPs to complex platforms, we...

    Top Services:

    • Mobile App Development
    • Software Development
    • IT Services
    • Staff Augmentation
    • CRM Consulting
    • Show more
    Location
    Phoenix, Arizona
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Portfolios Count
    16 Projects Listed
  • Building Software That Moves Businesses Forward

    Building Software That Moves Businesses Forward

    MackoTech is a US-based software development company helping businesses turn ideas into reliable, scalable digital products. Our team specializes in web and mobile development, SaaS platforms, custom business applications, APIs, cloud solutions, and modernization of existing systems. We work with React, React...

    Top Services:

    • Web Design
    • Web Development
    • UI/UX Design
    • SEO
    • Mobile App Development
    • Show more
    Location
    Newcastle, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • SEO & Web Design That Makes the Phone Ring

    SEO & Web Design That Makes the Phone Ring

    Techy Toes is an SEO, Google Maps and web design agency in St. Petersburg, FL, working with local businesses across the US. We measure success in calls and leads, not rankings: one client went from 4 calls a month from Google to 77, another from a quiet website to 2030 leads a month...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • AEO
    • Show more
    Location
    St. Petersburg, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Grow Your Business

    Grow Your Business

    iSEO Agency is a US-focused SEO and digital marketing agency helping businesses improve their visibility across Google Search, Google Maps, and AI-powered search platforms. We create customized SEO strategies for contractors, home service businesses, franchises, professional service companies, and eCommerce...

    Top Services:

    • Web Design
    • Web Development
    • WordPress Website Design
    • eCommerce Development
    • Mobile App Development
    • Show more
    Location
    Austin, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    Under $1,000
  • Vietnam's Premier Software Development Company

    Vietnam's Premier Software Development Company

    NSC Software is a Vietnam-based software development and consulting company that provides senior-led engineering services to businesses seeking Western delivery standards. Its capabilities include software development, AI and machine learning, data engineering and analytics, quality assurance, technology...

    Top Services:

    • AI Development
    • Software Development
    • Big Data Analytics
    • Staff Augmentation
    • Software Testing
    • Show more
    Location
    Texas City, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
  • Design. Develop. Deploy.

    Design. Develop. Deploy.

    DEV.co builds custom software, web and mobile applications, SaaS platforms, and AI systems for companies that have outgrown the tools they can buy. Senior US engineers, a fixed scope and price agreed before the first commit, and a codebase that belongs to you on day one...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • AI Development
    • Web Design
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    250 - 499
    Minimal Budget
    $1,000 - $10,000
  • Hybrid Innovation, Holistic Solutions

    Hybrid Innovation, Holistic Solutions

    Founded in 2014, Concetto Labs is a leading hybrid app development company in India. Staying ahead of IT trends, we specialize in cross-platform solutions, flutter application development, and advanced website design, aiming to be your all-in-one IT service provider...

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Development
    • Web Design
    • Product Design
    • Show more
    Location
    Broomfield, Colorado
    Number of Employees
    50 - 99
    Average Hourly Rate
    $24/hr
    Portfolios Count
    6 Projects Listed
  • Creating Next Big Thing For You

    Creating Next Big Thing For You

    Arka Softwares is an ISO 9001:2015 certified and industry-leading web and mobile development solution provider company with 100+ passionate developers and designers, based in India, with offices in the USA, UK, and Australia...

    Top Services:

    • Mobile App Development
    • Web Design
    • eCommerce Development
    • Digital Marketing
    • Show more
    Location
    Dallas, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Portfolios Count
    27 Projects Listed
  • Let Design, Function, and Strategy Meet!

    Let Design, Function, and Strategy Meet!

    We create websites and provide businesses with various opportunities to collect leads and make money from unexpected conversions. The custom website company is dedicated to fulfilling needs that our experts can handle. We only make the best promises when it comes to website creation...

    Top Services:

    • Branding
    • Web Design
    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Show more
    Location
    Montville, New Jersey
    Number of Employees
    Under 49
    Portfolios Count
    5 Projects Listed

Why companies trust DesignRush

Every agency is independently vetted before it can be listed or ranked

1

Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
128,556+
2

Portfolio Review

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

Applicants rejected
48%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
966

Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.

See how rankings and monetization work.

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