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
1,250 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.
Whether youre looking to outsource a critical project or scale your technology team, SOLTECH can help. With nearly 30 years of experience and a forward-looking approach that leverages AI tools, we help our clients build smarter solutions and accelerate results...
Palaeli Studio helps local businesses build a stronger online presence through websites, local SEO, social media, and photo/video content. We combine strategy and design to help brands get found, look professional, and turn attention into trust and leads...
K Squared Consulting is a full-service digital agency built by two former tech company operators who spent a decade on the other side of the table hiring agencies, getting burned, and wondering where the money went. We build websites, run SEO, manage paid ads, create content, and develop brand identities for...
Mysoft Heaven (BD) Ltd. is a Top Software Development Company with 15+ years of excellence. We specialize in enterprise-grade solutions like ERP, FinTech, e-Governance, and HRMS (HR Sheba). Our scalable SaaS platforms and Cyber Security solutions empower global organizations...
We deliver high-impact, scalable solutions by turning complex systems into efficient, reliable platforms.We help businesses cut through complexity and deliver software that performs, scales, and drives real results...
83 Creative builds custom websites, integrations, and applications for trade associations and membership organizations. We specialize in Drupal and WordPress development, member portals, and complex system integrations. Clients work directly with developers to deliver high-quality, scalable solutions without...
Rankure is a results-driven SEO and digital marketing agency specializing in Local SEO, Google Maps
Rankure is a results-driven SEO and digital marketing agency specializing in Local SEO, Google Maps
Rankure is a digital marketing and search growth agency helping small and medium-sized businesses improve visibility, generate qualified leads, and grow through search and digital channels...
Branding, we development, and custom-built solutions based on strategy, UX design, and most importantly, your business goals. We have all the essentials to turn your idea into a solution that performs. Let's work together to build something worth talking about...
We provide expert UX consulting with 18+ years proven success. Our multi-disciplinary team delivers product strategy, user research, UX design, training and experience testing. We have offices in Toronto, Ottawa, Canada, New York USA and Cambridge, London, UK...
AI Search Optimization for ChatGPT, Claude, Perplexity & Google AI. Rise Peak Digital specializes in AISEO, AI Overviews, and content marketing that wins in the age of AI search. We're not just an SEO agency. We're a team of strategists obsessed with making sure your brand gets discovered, cited, and...
TechCentera is an AI automation and custom software engineering firm serving mid-market and enterprise operators in logistics, healthcare, and real estate across the US. We engineer custom ERPs, CRMs, AI receptionists, mobile and web applications, with full IP transfer, no per-seat pricing, and delivery...
Axion Deep Digital is an engineering first SEO and web development agency based in Las Cruces, New Mexico. We build production grade React and Next.js websites with technical SEO, Core Web Vitals optimization, and lead capture built directly into the foundation rather than added later. Our approach is focused...
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...
Brndry is a full service strategic branding and digital growth agency delivering end-to-end creative, marketing and development solutions. From crafting distinctive brand identities and intuitive digital experiences to executing performance-driven marketing campaigns. Brndry partners with businesses across...
Phoenix Consultants Group builds custom software for businesses running systems that predate modern platforms. Access databases, VB6 applications, Excel-based operations; PCG migrates them to maintainable .NET applications without losing data or process logic. Based in New Jersey, serving clients across the...
We Help Your Business Grow With Powerful Solutions
We Help Your Business Grow With Powerful Solutions
Texono builds custom mobile, web, and desktop applications for manufacturing companies and machine shops. With a team of 49+ professionals and expertise in .NET, C#, React Native, Angular, Blazor, Azure, and AWS, Texono delivers working prototypes within one week. Every project includes a free 60-day trial...
Cefnogi Solutions Private Limited is a global IT and digital engineering company delivering software, web, app, and business growth solutions across India, USA, and Canada...
BitCodeSolution boosts your business with super-smart software solutions, business marketing, making innovation and growth a breeze. Were not just any software folks, were here to customize services that fit your unique needs...
Erudite Apex builds AI-integrated, full-stack software solutions that help businesses automate workflows, enhance decision-making, and scale with confidence...
NTSprint helps U.S. businesses accelerate growth through AI-powered software, dedicated nearshore engineering teams, and scalable cloud solutions. With 10+ years of experience and 500+ projects delivered, we provide real-time collaboration, faster delivery, and measurable business impact...
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...
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...
Crestroc Marketing is a DallasFort Worth-based digital marketing agency specializing in website development, branding, content marketing, and strategic digital solutions. We help businesses improve visibility, strengthen their online presence, and generate qualified leads through modern design, structured...
Dastify Digital is a healthcare marketing agency driving growth via SEO, ads, and patient acquisition. HIPAA-compliant, data-driven strategies for US providers...
Bay Area Coders is a San Francisco-based product and engineering studio working with venture-backed startups and growth-stage companies since 2016. We combine strategy, design, engineering, and AI to help teams ship real products and modernize existing ones...
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...
Eastern Software Solutions accelerates digital transformation by blending AI-driven automation with deep industry expertise. Through our flagship ebizframe ERP, intelligent RPA bots, BI and custom mobile and web apps, and Oracle legacy system modernization we eliminate workflow bottlenecks and turn scattered...
Nexila is a product design & development agency focused on building clear, scalable, and high-impact digital products for modern businesses. We partner with AI startups, SaaS companies, and growing teams to design and develop experiences!...
Engineered in the US based, delivered by a global team with more than 9 years of enterprise engineering experience and 800+ production systems behind us...
DevGinix is a software development company that helps businesses build, scale, and optimize digital products through custom software, web development, mobile applications, cloud solutions, and digital transformation services. With a team of development professionals and experience across industries such as...
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...
Driving Organic Growth Through SEO, Local SEO & AI Solutions
Driving Organic Growth Through SEO, Local SEO & AI Solutions
RankMeHi is a results-driven SEO and digital marketing agency helping businesses increase online visibility, generate qualified leads, and grow revenue. We specialize in Technical SEO, Local SEO, AI-powered marketing, content strategy, keyword research, link building, and conversion optimization. Our mission...
DesireInfoWeb is a Microsoft-focused consulting and technology services company that helps organizations improve productivity, collaboration, and digital transformation through AI and Microsoft 365 solutions...
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White label & clone app development company
White label & clone app development company
CloneAppz delivers white label and clone app solutions that help businesses go live faster. We combine proven technology with smart customization to give you a platform that genuinely represents your brand and supports real growth...
You're good at what you do. The problem is that online, the customers searching for you can't find you, or they find a competitor first. Omega Trove fixes that. We don't sell a logo this month and an ad campaign the next. We build one growth system: a brand people trust, a website that turns visitors into...
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...
We turn service company expertise into assets that generate demand.
We turn service company expertise into assets that generate demand.
Animus Digital is a Tulsa-based creative agency for B2B, industrial, Oil and Gas, and Manufacturing companies. We build websites, run SEO, and produce content that turns hard-won expertise into a steady pipeline of qualified demand...
Domio Labs delivers production-ready SaaS and AI-powered applications at the speed AI-accelerated engineering allows fixed scope, fixed price, senior engineers throughout. No junior staffing, no scope creep, no vendor lock-in. Built for operators who need software that works on the first delivery, not the...
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...
TechQuarter is a custom software development company helping businesses accelerate growth through tailored digital solutions. Since 2014, we've partnered with startups and enterprises across finance, solar, healthcare, and mobility to deliver web and mobile apps, AI/ML systems, cloud infrastructure, and QA...
Daylit Studio designs and builds websites for organizations that cannot afford to get them wrong. We handle the whole site under one roof, design through code, in the open, with every step signed off. Twenty-six years of production work for teams under real pressure across healthcare, higher education, public...
Elite Web Pro is a leading custom software development company in the USA with decades of experience in delivering perfectly aligned solutions to your business needs. Powered by the latest technology and tools, our experts will make sure your business runs 24/7 smoothly without any kind of disruption. Whether...
Boomdevs is a strategic digital product partner for startups, scaleups, and enterprises. Since 2014, one senior team has taken products from strategy through design, engineering, and post-launch growth — custom software, web & mobile apps, UI/UX, and AI built in rather than bolted on. Our work runs at real...
Emerald helps small businesses show up clearly across Google, AI search, social media, email, paid ads, websites, and reviews, so customers can find you, trust you, and choose you with confidence. We connect your marketing channels into one strategic visibility system, with clearer messaging, stronger...
Fresh Bread Digital is a veteran-owned digital marketing agency in New Braunfels, Texas helping service businesses generate more leads and grow online. We specialize in website design, Local SEO, Google Ads, PPC management, AI automation, CRM systems, and lead generation. Our strategies focus on measurable...
Scoompy Inc. is a U.S.-based full-service digital marketing agency helping businesses grow through SEO, GEO, PPC, advertising, branding, public relations, content marketing, email marketing, digital strategy, web design, and development. We work as an extension of our clients in-house teams, combining search...
Your Complete Digital Fulfillment Partner For Agencies
Your Complete Digital Fulfillment Partner For Agencies
White Label Partner is a white-label digital services company that helps agencies expand their capabilities without increasing operational overhead. It provides web and mobile development, SEO, paid advertising, AI solutions, GoHighLevel services, content writing, social media management, and other digital...
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...
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