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
111 Companies-Rankings updated: September 03, 2026
All agencies are evaluated on DesignRush for demonstrated expertise and authentic client reviews to support your decision. Certain placements are paid.
CYouSucceed is a web design agency that focuses on Wordpress development and User Experience. We tailor each experience to the clients specific needs through Discover and Definition phase. NO one project or client Is the same and everyone needs something different. We do our best to see each and everyone...
At KDG, we're your full-service partners in growth and innovation. With our integrated approach to professional technology, accounting, and consulting services, we give modern leaders and executives control over their outcomes...
KARMA jack helps enterprise and multi-location brands unlock scalable growth through full-service marketing: websites, SEO, digital ads, and brand strategyall delivered with unmatched speed and a human-first approach...
We design and develop user-centric solutions that help companies accomplish their goals. From startups to established businesses, we work closely with our clients to understand their unique needs and create customized software that drives growth and success...
Since 1997, more than 1,000 B2B and B2C companies worldwide have trusted Northwoods to lead, develop and execute more than 5,000 digital strategies, digital marketing and advertising initiatives, websites, and software projects...
Mighty Citizen is a creative agency that transforms mission-driven organizations through branding, marketing, and digital communications. They help nonprofits, associations, universities, and governments increase their impact and revenue by creating deeper connections with their audiences using data and...
The Joseph Company is a trusted technology partner providing custom web development & IT services to businesses across St. Louis and Southern Illinois. Headquartered in Arnold, Missouri, we serve clients throughout the region with a commitment to excellence, responsiveness, and long-term partnership...
Farmhouse Branding is a boutique agency dedicated to crafting compelling brand narratives that drive engagement and conversion. Our expertise lies in creating distinctive stories that resonate with audiences and elevate brands...
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...
AI Full-Stack Engineering, Automation, Machine Learning & Enterprise AI Integration
NextGen Coding Company builds custom, cutting-edge software solutions. Our mission at NextGen Coding Company is to lead the technological revolution with innovative solutions and cutting-edge expertise. We aim to empower businesses and individuals by delivering transformative digital services in Artificial...
USATILITY is a creative agency founded in 2021 by Evan Combs to challenge the one-size-fits-all approach to design. Born from a passion for accessibility, strategy, and unfiltered creativity, USATILITY helps brands grow through design, web, motion, and storytelling that puts people first. Our mission is...
Marketing made simple. We're here for however long YOU need us!
AW Digital Marketing is a full-service marketing agency offering content marketing, SEO (Search Engine Optimization), Google Ads, social media marketing/management, website design/redesign/management, graphic design, mobile application development, marketing strategy advice and direction, email/SMS...
XeoDev is a full service chatbot solution, AI, web, apps & software development agency. several of our clients are in the start up or next stage of growth...
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...
Sly Nerds is a Las Vegas-based company that specializes in website design and video production services. Our team of experienced professionals combines cutting-edge technology with creative innovation to deliver high-quality web design and video production solutions that cater to the unique needs of our...
Engineered for Innovation. Built to Scale. Designed to Last.
At North Star Technology, we engineer strategic digital ecosystems that empower businesses to scale, compete, and thrive. From custom WordPress websites to IT infrastructure, automation, and Microsoft 365 solutions, we create technology-driven strategies designed for long-term success...
Experience unparalleled development in WordPress, Mobile, Salesforce, and E-Commerce with TSC America, the leading technology agency in America. With over two decades of expertise, we specialize in Salesforce development and deliver innovative app solutions for a diverse range of clients...
Coherent Solutions offers tailored software solutions to businesses worldwide, ranging from large enterprises to startups. With a focus on development, deployment, and consulting, our comprehensive services encompass various areas...
Kellton is a publicly listed, CMMI Level 5, and ISO 9001:2015 certified global company, providing cutting-edge AI and digital transformation solutions and services in strategy, consulting, digital, and technology...
Helping Build Whats Next With Intelligence and Intent
Providus is a global technology partner uniting VCs, founders, and engineers to deliver human-centered, AI-enabled digital transformation. From strategy to scalable execution, we build intelligent solutions tailored to every stage, region, and ambition...
Your gateway to bespoke technology solutions that propel your business into the future.
At Colchuck Consulting, our mission is to drive growth and innovation through tailored technology solutions. Founded by industry experts, our agency offers a unique blend of skills and knowledge, providing a boutique experience with cutting-edge technology and strategic support to maximize your ideas and...
We're a collection of innovative cybersecurity engineers, and we believe that our ideas can help shape a better future for your company. We pride ourselves on offering unmatched, devoted service while offering clever solutions for businesses of all sizes...
Promo Design Solution is a global design company dedicated to fulfilling your software, graphic, and artwork requirements, empowering organizations to make a worldwide impact through top-notch digital experiences. As a premier provider of software engineering, software enablement, and digital transformation...
US Digital Partners is a digital execution agency that helps mid-market businesses and enterprises refine and grow their brand and marketing efforts...
At Cinnova, we treat your business as our own, combining design-thinking, engineering, and business acumen to solve complex challenges. Our flexible engagement models ensure tailored solutions that drive growth and efficiency...
Strativera is a growth consulting and digital marketing agency that connects marketing, revenue operations, and execution into one system built to drive pipeline and revenue. We serve mid-market and PE-backed companies from startups to $500M+ enterprises...
OneChair.dev is an AI-orchestrated software development company that uses its proprietary system OneSpark to deploy 85+ specialized AI agents in parallel, delivering custom enterprise-grade software up to 97% faster than traditional agencies. Think full scalable software delivered in 33 working hours, at a...
DOT Technologies excels in industry-leading IT services and solutions. We focus on custom software development and provide tailored solutions to overcome unique business challenges. Our team helps with IT services like server setup, management, and support. We also excel in Chatbot, AI, and IT automation...
We embrace digital transformation through customer centric tactical results unleashing as a digital innovation agency.Sourceved is providing enterprise cms based solution which includes Sitecore , Umbraco , EpiServer , SiteFinity , Drupal and WordPress for all industries...
Your one-stop destination to Digital Marketing Solutions.
Markteer Technologies is dedicated to crafting comprehensive digital marketing strategies tailored to the needs of small, medium, and large enterprises. Our expertise lies in delivering end-to-end solutions that maximize online presence, drive engagement, and foster sustainable growth for businesses across...
Shopify Plus & Headless Commerce Agency for DTC Brands.
Based in Lynchburg, Virginia, Creative Labs is a veteran Shopify Partner agency that has been elevating eCommerce since 2012. With a portfolio of over 800 brands across six continents, we specialize in high-converting custom development, SEO, paid media, and conversion optimization...
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...
Your trusted AR VR development partner since 2016.
Euphoria XR is an immersive technology studio delivering AR, VR, MR, and AI solutions for clients ranging from startups to enterprises and government sectors. Focused on creativity, innovation, and custom development, we bring ideas to life through advanced, interactive experiences. From virtual tours to...
HiveB2X is a leading expert in custom software applications & implementations, specializing in tailored solutions for B2B companies. Focused on seamless integrations, personalized storefronts, & optimized functionality, empowering businesses to elevate their online presence & streamline operations...
Digital Marketing Solutions International is a business development consultancy that partners with businesses to help them create stable revenue streams, build organized operational systems, and expand their visibility. We are your trusted partner dedicated to expanding your business...
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...
Full-service marketing firm specializing in digital advertising, branding, strategy, UX/UI, SEO, design, SMM, SEM, online courses, video, podcasts and traditional advertising...
Sparkware Solutions is a Virginia-based digital agency that helps small businesses grow faster, operate leaner, and scale smarter through strategic web development, AI-driven automation, and intelligent marketing systems...
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...
Dragon Army is a digital engagement agency that grows admired brands through web, mobile, AR, VR, content, and games. We've been delivering digital product solutions for the world's biggest brands for over 11 years, across a variety of technology platforms and third-party services...
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