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

12 Companies-Rankings updated: October 27, 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 × Supplements ×Clear Filters
  • 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
  • The electrifying force that will take your business to new heights.

    We're Volts Consulting, a team of design experts and marketing strategists passionate about turning your online presence into a powerful growth engine...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • Digital Services
    • Branding
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
  • From Clicks to Profit Pathway

    Traffic Dojo - Marketing funnels for any type of business. With over 5 years of extensive experience in affiliate marketing and a focus on crafting strategic marketing funnels, we're dedicated to delivering innovative strategies tailored to fuel your growth...

    Top Services:

    • Digital Marketing
    • PPC
    • Web Development
    • Branding
    • Content Marketing
    • Show more
    Location
    Santa Ana, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Digital Excellence

    A Digital Marketing agency that specializes in social media and search engine platforms with a constant focus on lead generation and sales. We position our clients for success through social media management services, social media advertising services, Google ads, Microsoft ads, web design, and more...

    Top Services:

    • Digital Marketing
    • SEO
    • Social Media Marketing
    • Web Design
    • Show more
    Location
    Coral Gables, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
  • NJ's Web Design and Digital Marketing Experts

    Bower Web Solutions provides end-to-end web design and digital marketing solutions. We specialize in building, maintaining and improving commercial websites and enabling our clients to use digital media —from content marketing and SEO to paid search (SEM) and social media marketing...

    Top Services:

    • Web Development
    • Web Design
    • WordPress Website Design
    • eCommerce Development
    • UI/UX Design
    • Show more
    Location
    Ringwood, New Jersey
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $1,000 - $10,000
  • 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
  • Your Full-Service Web Marketing Team.

    Jax Media Team, a Jacksonville SEO company, offers full SEO/SEM services for local and national businesses. We are experts when it comes to on-page optimization, social media, PPC, PR, mobile display, etc. Our clients get a full online marketing team and much more...

    Top Services:

    • Web Development
    • SEO
    • PPC
    • Digital Marketing
    • Social Media Marketing
    • Show more
    Location
    Jacksonville, Florida
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Where a fine art approach to web and media content meets technical precision and care.

    Working with clients to create a natural aesthetic and integrated technologies for web and print communications since 2016...

    Top Services:

    • Web Design
    • Web Development
    • Video Production
    • Graphic Design
    • Branding
    • Show more
    Location
    Seattle, Washington
    Number of Employees
    Under 49
    Average Hourly Rate
    $90/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Custom software for digital health and medtech

    26bitz builds custom software for healthcare: patient apps, AI tools, embedded device software, cloud backends, and HL7/FHIR integrations. We work with clinics, medtech companies, digital health startups, and nonprofits...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • IT Compliance Solution
    • ERP Consulting
    • Show more
    Location
    Arlington Heights, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
  • We Help Clients Define. Design. Build. Market.

    Doors Studio LLC is an Austin-based digital agency helping businesses build stronger brands and grow online. We bring together creative thinking, smart strategy, and digital expertise to deliver web development, digital marketing, brand communication, content marketing, and video production. Our approach...

    Top Services:

    • Digital Marketing
    • Web Development
    • Branding
    • SEO
    • Graphic Design
    • Show more
    Location
    Austin, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Let's Build Your Dream Today

    We are CodeCraft Studios LLC, proudly based in Miami, Florida. We're not your typical marketing company that says they are the "#1 Marketing Agency." We are a team of experts who will stay with you and help you dominate your competitors. We stay with you, from start until finish, and deliver results that we...

    Top Services:

    • Web Design
    • SEO
    • eCommerce Development
    • Web Development
    • UI/UX Design
    • Show more
    Location
    Florida, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $68/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
  • Successfully helping world-class companies bring products & services to market.

    "A well designed product brings users to your products. A well designed product user experience brings customers to your brand for life." — Lars Owens...

    Top Services:

    • Graphic Design
    • Product Design
    • Package Design
    • Logo Design
    • Web Design
    • Show more
    Location
    Lincoln, Nebraska
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    6 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
129,759+
2

Portfolio Review

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

Applicants rejected
47%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
12

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