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
3 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.
AI-Driven SEO & Web Solutions That Grow Businesses
SITE IT NOW is a leading AI-driven SEO and web development agency specializing in custom websites, mobile apps, digital marketing, and secure hosting. We help businesses rank higher, get discovered in AI search, generate more leads, and accelerate growth...
Top Services:
Web Design
Web Development
Mobile App Development
SEO
eCommerce Development
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Location
Chicago, Illinois
Number of Employees
50 - 99
Average Hourly Rate
$25/hr
Minimal Budget
Under $1,000
Portfolios Count
6 Projects Listed
SITE IT NOW Services
Web Design
Web Development
Mobile App Development
SEO
eCommerce Development
WordPress Website Design
Software Development
Digital Marketing
AEO
Social Media Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
AviaChi
South West Collision
Arizona Tax Advisors
Just For You Entertainments, LLC
Bullitt Automotive
Data sourced from the agency's DesignRush profile
SITE IT NOW Reviews & Testimonials
Barbara Schmal Owner/Instructor at Real Estate Training School
5.0★
Web Design Review from Barbara Schmal
I decided to go with Site It Now because they are in Chicago IL and I am in Florida. I wanted a website developer in the US. I checked out their website and was impressed with the information I found. I am very pleased with my website and especially pleased with how they communicate with their customers. A real phone call, text, email all day every day until the project was completed.
Eddie Lebron Owner at Just 4 U Foto Booths
5.0★
Web Design Review from Eddie Lebron
SITE IT NOW has been nothing but the best to us. We made the decision to go with them because of the primary reviews they had but they have surpassed our expectation with the amount of Awesome customer services they have provided our company. Richard has been so attentive to us. He is so responsible in keeping us updated throughout the whole process. We feel we gained not only good service with them but a friendship. We definitely recommend site it now. They go above and beyond your expectations
Eric Skaff owner at Arizona Tax Advisors
5.0★
WordPress Website Design Review from Eric Skaff
very responsive and easy to work with!
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Your Strategic Digital Partner For Ultimate Success
We're helping Houston, TX businesses with website design & development, white hat SEO, social media marketing, PPC, and 360-degree full-service digital marketing...
Top Services:
Digital Marketing
SEO
PPC
Social Media Marketing
Web Design
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Location
Houston, Texas
Number of Employees
Under 49
Average Hourly Rate
$50/hr
Minimal Budget
Under $1,000
CANS Marketing Services
Digital Marketing
SEO
PPC
Social Media Marketing
Web Design
Web Development
WordPress Website Design
eCommerce Development
Mobile App Development
Graphic Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Brand Lane
TechBee
Edison Express
Prominence Custom Homes
Bella Vista
E2E Logistics
Data sourced from the agency's DesignRush profile
CANS Marketing Reviews & Testimonials
TracketoShop Review from Google
5.0★
TracketoShop's Review Sourced from Google
Working with CANS Marketing has been an excellent experience for TracketoShop. We approached their team to develop a custom multi-vendor eCommerce web application, and they delivered exactly what our business needed.From planning and UI/UX design to custom development and implementation, the CANS team demonstrated professionalism, technical expertise, and strong attention to detail. They took the time to understand our business model and built a scalable platform that supports vendors, customers, product management, order processing, and seamless user experiences.What impressed us most was their ability to create a fully customized solution rather than relying on generic templates. The website is fast, user-friendly, mobile-responsive, and tailored to our operational requirements. Their communication throughout the project was clear, and they were always responsive to feedback and enhancement requests.If you're looking for a reliable partner for custom web application development, eCommerce solutions, or website design, we highly recommend CANS Marketing.TracketoShop Team
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Techy Toes is an SEO, paid media and web design agency in St. Petersburg, FL, working with clients nationwide. We build search and advertising programmes for businesses that need traffic, leads and revenue they can trace not rankings screenshots...
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
Techy Toes Services
Web Design
eCommerce Development
Web Development
WordPress Website Design
AEO
SEO
PPC
Social Media Marketing
CRO
Digital Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Aloha Pools
FC Fence
Mustache Gold and SIlver
LE Construction
Data sourced from the agency's DesignRush profile
Techy Toes Reviews & Testimonials
Intragital Solutions Review from Google
5.0★
Intragital Solutions's Review Sourced from Google
Very professional and honest, Isaac did our website. Never expected such good return, we started getting leads on our site with in the first couple months. Would recommend them to everyone.
ivy on Milopeco909 Review from Google
5.0★
ivy on Milopeco909's Review Sourced from Google
I highly recommend Isaac with Techy Toes! I’ve been blessed to have found Isaac and received his services to help promote our plumbing business in Arizona. Within the first 6 months of help Isaac not only had provided us with a fully functioning website but also had worked his magic in getting us to become visible on Google. We have held one of the top three spots in our city on Google Maps for the past 4 years now. The past three years we were awarded the best plumbing company in our city from 3 separate plumbing magazines. We would never have been able to accomplish what we have so far without Isaac. We highly recommend his SEO, Website, and other business related services. He is very honest, patient, and hard working. He will always receive our honor and gratitude for his dedicated hard work and patient understanding. Thank You Isaac and Techy Toes.
Ramsina Herrington Review from Google
5.0★
Ramsina Herrington's Review Sourced from Google
I am very satisfied with Techy Toes Services. Isaac with Techy Toes was able to help make my company, All Drains Emergency Plumbing in Glendale, Arizona one of the top plumbing companies in our city. He was not only able to get our Google Business profile approved for Google, but he was also able to make us visible on Google Maps ascertaining us one of the top three spots on Google Maps in our city which has directly related to our company’s success including giving us a chance to win multiple top plumbing company awards in our city. I will never replace him with another marketer. He is a key core to our company and its continued success. If you are a new company looking for SEO services or help with your website or Google Profile, or Apple profile, or voice search platforms, Isaac with Techy Toes can help tremendously and he is very fair with his pricing. Thank You for all your continued help Isaac! I highly recommend his services.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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
Examine the agency’s service range and technical proficiency, especially in related technologies like ASP.NET, MVC, and Web API
Identify if the agency has case studies and portfolios on projects similar to yours
Read the agency’s positive and negative client reviews to assess its customer service strengths and weaknesses
Schedule an introductory meeting and inquire about security measurements, IP rights, and development approach
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