All .NET Development Companies in the United States
Instinctools
5(10 reviews)Your AI-powered Engineering Partner
Top awardedMeet *instinctools - a global AI-powered software engineering company with over 25 years of experience. We help both SMBs and Enterprises build robust, scalable software solutions that excel in functionality and design. Our core services include: Agentic AI enablement Custom software development enhanced by deep AI expertise Digital product engineering Business process automation Legacy system modernization Advanced data analytics and visualization Cloud infrastructure and DevSecOps Headquartered in the USA (Maryland) and Europe (Germany), *instinctools offers convenient locations for meeting and collaborating directly with our clients. We have development centers in Poland, LATAM, India, and Kazakhstan that combine global expertise with a strong price-quality balance to ensure exceptional results across time zones. Our work is backed by ISO-certified quality standards, strategic partnerships with leading tech platform, and a long-standing commitment to engineering excellence. Instinctools holds a broad portfolio of regional and industry-specific certifications, including CIR, HIPAA, and other compliance frameworks required for regulated markets. The 2025 Annual Customer Satisfaction Index is 9.1 out of 10.Looking for work in .NET DevelopmentLocated in Potomac, United States (+4)From €10,000 for .NET DevelopmentWorked in Construction (+10)Speaks English, German(+1)201-500 membersPlavno
5(16 reviews)AI-First Software Company: Secure Agents, Voice Assistants, and Scalable Cloud.
Top awardedPlavno is a premier software development house with over 20 years of experience and a highly qualified team of experts in your industry. Fully-fledged teams of specialists cover each stage of product creation , from product management and analysis to design, development, testing, and ongoing support. We have a unique advantage , our pre-formed full teams work exclusively on products in their specific domains, such as Healthcare, E-Learning, FinTech, Travel & Hospitality, Fleet management and more. We can help you with: ✔ Web Development ✔ Mobile App Development ✔ CRM/CMS/SaaS Development ✔ Chat and Chatbot Development ✔ Web3 / DeFi / DAO / Smart contract ✔ WebRTC Stop struggling with bloated budgets and slow time-to-market. At Plavno, our fully-fledged team provides cost-effective and streamlined solutions that minimize technical debt and maximize your product's potential. With end-to-end support and a proven track record in the SAFe Scaled Agile Framework, we're the partner you need to succeed. LET’S CONNECT Let us help you choose the best path forward to deliver the perfect solution: Admin@plavno.io3 works in .NET DevelopmentLocated in Alexandria, United States (+2)From €10,000 for .NET DevelopmentWorked in Others (+19)Speaks English, French(+2)51-200 membersChudovo OÜ
5(21 reviews)Complex Systems Implementation
Highly recommendedTop awardedChudovo is a custom software development company, focused on complex systems implementation. Customers rely on our expertise, appreciate transparency in time, budget, visibility of work progress, and our assistance in achieving their business objectives with high-quality solutions. Our teams follow best development practices and methodologies and apply their experience in such industries as healthcare, finance, e-commerce, logistics, telecommunications, and others. In our portfolio, we have over 190 successfully implemented web, mobile, desktop, cloud, embedded, and AI projects. With our commitment to innovation, we bring together cutting-edge technologies, visionary strategies, and creative minds to breathe life into your visions and ideas.33 works in .NET DevelopmentLocated in New York, United States (+4)From €3,000 for .NET DevelopmentWorked in Hospitals & Healthcare (+19)Speaks English, German(+2)51-200 membersSimpalm | Digital Product Development Company
5(27 reviews)Creating custom app, web and AI solutions
Highly recommendedSimpalm is a leading digital product development company in the USA, specializing in UI/UX design, mobile app development, web development, AI solutions, and SaaS platforms. With offices in Maryland, Chicago and New York, we’ve been building transformative digital solutions for startups, established companies, and nonprofits. Our digital solutions have solved challenges for healthcare, financial services, construction, education, IoT, charities, associations and SaaS industry. Our team of experienced project managers, designers, developers, and testers combines creativity with cutting-edge technology to turn ideas into high-performing apps, websites, and AI-driven systems. We focus on delivering products that enhance efficiency, scalability, and user experience — helping organizations grow faster in today’s digital-first world. With over 400+ successful deployments, Simpalm has become a trusted partner for businesses looking to design, develop, and scale their digital products. Beyond development, we offer continuous support and maintenance to ensure your solution remains secure and future-ready. Our Main Services: Discovery and Design : Define requirements, create wireframes, and design visually engaging UI/UX for your app or website. Custom App Development : Build AI-powered mobile apps using React Native, Swift, Kotlin, and Flutter. Website Design and Development : Craft CMS-based websites in WordPress, Drupal, or Hubspot CMS to represent your brand or organization effectively. Web and SaaS Applications : Develop scalable SaaS or web portals using React, Node.js, .NET, and Python. AI Strategy and Development : Create tailored AI strategies, chatbots, and automation workflows that empower your business. Support and Maintenance : End-to-end technical support to keep your products performing seamlessly.Looking for work in .NET DevelopmentLocated in North Bethesda, United States (+4)From €3,000 for .NET DevelopmentWorked in Home Services (+7)Speaks English51-200 membersDebut Infotech
5(9 reviews)AI-Augmented Product Engineering Company
Highly recommendedDebut Infotech is an AI-augmented blockchain and software development company helping organizations across financial services, healthcare, supply chain, and digital platforms build systems that perform reliably in complex, regulated environments. Founded in 2011 and blockchain-native since 2015, the company brings engineering discipline and technology depth to enterprises moving from fragmented pilots to production-grade systems. With delivery centers across the USA, UK, Canada, and India, Debut Infotech combines regional market understanding with globally distributed engineering capability — enabling clients to move with speed, consistency, and governance. Service areas: Artificial intelligence and generative AI — Enterprise LLM integration, AI agent development, retrieval-augmented generation (RAG) pipelines, predictive analytics, computer vision, and intelligent process automation embedded at the system architecture level. Blockchain and Web3 development — Smart contract engineering, DeFi protocol development, real world asset (RWA) tokenization, cryptocurrency exchange infrastructure, and enterprise blockchain on Hyperledger Fabric and Corda. Mobile application development — Native iOS, Android, and cross-platform applications (React Native, Flutter) architected for AI integration, enterprise-grade security, and sustained performance under production load. Web and software development — Full-stack web platforms, SaaS products, and enterprise software systems engineered API-first, designed for long-term maintainability and organizational scale Proven Delivery: $62M+ raised across client platforms including Ifinca, IntegraLedger, Everledger, and TĒM 90% customer success score across enterprise engagements 15 years of enterprise software delivery Fortune 500 clients and high-growth startups across 25+ industry verticals 50–249 engineers spanning AI, blockchain, and software disciplinesLooking for work in .NET DevelopmentLocated in Cook County, United States (+2)From €10,000 for .NET DevelopmentWorked in Others (+11)Speaks English51-200 membersTRIARE
4.9(11 reviews)TRIARE unlocks IT potential of YOUR business
TRIARE is a WEB and MOBILE software development company based in Europe. We are delighted to offer our services as your long-term partner, taking all technical matters off your shoulders and allowing you to focus on your business development. YOU WILL GET: ✔ In-house team . Work with a dedicated team that is 100% focused on your product and located in the same office. ✔ Efficiency & transparency , as our process is based on Scrum methodology and managed by certified Scrum Masters. ✔ Fast result. Working with us, you will get the first result in 1 week. ✔ High quality, as TRIARE has well-established processes of software development and experienced specialists. ✔ Full cycle development . Our company covers all stages of development, handling everything from Discovery and prototyping to Design, development, and maintenance. ✔ IP rights . From the very beginning, you are the only owner of the intellectual property of your project materials: source code, design, documentation, etc. ✔ Warranty period will be provided for your system for free. ASPECTS OF OUR MINDSET: - Focused on results. We are focused on the result of your business with an understanding of the real goals and KPIs that our team should achieve. - Solution Provider. It means that we always come to you with solutions, not with questions. We take all technical aspects of the project off your shoulders, allowing you to focus on the marketing and business strategies. - We go the extra mile. Being a proactive company, we always think and take a step ahead. TECHNOLOGIES WE USE: - Mobile app development: Kotlin, Java, Swift, Objective-C. - Cross-platform development: Flutter, React Native. - Web frameworks: Node.JS, React.JS, PHP, Ruby on Rails.Looking for work in .NET DevelopmentLocated in Fairfax, United States (+3)From €5,000 for .NET DevelopmentWorked in Hospitals & Healthcare (+20)Speaks English, Ukrainian51-200 membersFulminous Software
5(38 reviews)WE LOVE TO BUILD ASK FOR IT AND HAVE IT
Top awardedWe are Fulminous Software, a skilled web and mobile app development company with a proven history of creating popular and profitable apps. We're known for our knack for enhancing existing apps and websites to make them even better, ensuring people keep downloading and enjoying them. Our dedicated team is here to turn your ideas into reality. The company’s biggest strength is its team which I a mix of most ingenious and focused individuals who are adroit in whatever they do. They believe in delivering flawless and reliable solutions to clients that match business needs and drive business growth. We are looking for strategic partnerships from around the globe. If you are interested please contact us today. Client's Feedback About US: https://clutch.co/profile/fulminous-software-private#highlights https://www.bark.com/en/in/company/fulminous-software-private-limited/9AKJO/ Our Key services: * Custom Software development * Mobile App Development (Android App, iPhone App, Cross-Platform App) * Custom Game Development (AR, VR, iOS, Android, NFT, Metaverse, 2D, 3D) * Salesforce Development (Lightning, Implementation, Consulting) * Web Development * Mobile Game Development * Desktop Game Development * Xamarin App Development * Wearable Devices App Development * Enterprise App Development * CRM & ERP Development * Digital MarketingLooking for work in .NET DevelopmentLocated in Clarendon County, United States (+2)From €1,000 for .NET DevelopmentWorked in Video games (+9)Speaks English51-200 membersLuby
5(4 reviews)One of the TOP software development companies in Brazil and Latin America.
Luby is a global technology consulting and product engineering partner that helps companies scale, modernize, and accelerate digital growth through software and specialized teams. With over two decades of experience, 250+ vetted engineers, and more than 1,300 projects delivered, Luby operates from Brazil with seamless coverage across US and European time zones. The company supports organizations as a nearshore partner, integrating dedicated teams and staff augmentation models into existing operations with speed and reliability. Luby specializes in building and evolving complex digital ecosystems, with strong expertise in: Middleware and system integrations Last-mile and API-driven architectures AI-led legacy modernization Customer journey development on scalable platforms Combining deep technical expertise with a strong business mindset, Luby acts as an extension of its clients’ teams—supporting fast scaling, critical talent gaps, and strategic technology initiatives. Guided by an AI-first approach, the company connects human expertise and artificial intelligence to transform potential into measurable performance and long-term value. Luby serves technology-driven companies, fintechs, and financial institutions seeking efficiency, scalability, and consistent delivery through a trusted, long-term partnership.Looking for work in .NET DevelopmentLocated in Miami, United States (+1)From €1,000 for .NET DevelopmentWorked in Industrial Goods & Services (+3)Speaks English, Portuguese201-500 membersSociiLabs LLC
5(1 review)Solving big problems with even bigger brains (and AI).
At Sociilabs, we harness the power of artificial intelligence to deliver innovative solutions tailored to address the challenges of today's dynamic business landscape. Our commitment is to empower organizations with cutting-edge technologies that drive efficiency, enhance decision-making, and foster growth. With a blend of AI expertise and industry insights, we collaborate closely with our clients to design and implement solutions that not only meet their immediate needs but also pave the way for future opportunities. Whether it's optimizing operations, improving customer engagement, or unlocking new revenue streams, Sociilabs is your trusted partner for transformative AI solutions. Join us on our journey to redefine what's possible with AI and make a lasting impact on businesses and communities worldwide. Connect with us to explore how we can help your organization thrive in the age of AI.Looking for work in .NET DevelopmentLocated in Sheridan, United StatesFrom €1,000 for .NET DevelopmentWorked in Marketing & Advertising (+1)Speaks English, Turkish(+1)1-10 membersPink Panda Technologies
5(55 reviews)Where Strategy Meets Scalable Success
Highly recommendedPink Panda Technologies is a full-stack digital solutions agency specialising in software development, web development, mobile app development, and performance-driven digital advertising. With a strong focus on SEO, paid media, and data-led optimisation, we help businesses scale faster and build a reliable digital presence . Our team blends technical expertise with creative problem-solving to deliver customised, high-impact solutions for startups, SMEs, and global brands. At Pink Panda Technologies, we believe in transparent communication, agile execution, and measurable results — empowering clients to grow confidently in an ever-evolving digital landscape.Looking for work in .NET DevelopmentLocated in East Cobb, United States (+1)From €600 for .NET DevelopmentWorked in Hospitals & Healthcare (+6)Speaks English, Hindi11-50 membersExtrovert Information Technology (EitBiz)
4.7(12 reviews)Empowering Businesses Through Cutting-Edge IT Solutions
Highly recommendedEitBiz is a digital transformation and product engineering company helping startups, SMBs, and enterprises turn innovative ideas into scalable digital products and business growth. Since 2017, we've successfully delivered 1,000+ projects for clients worldwide by combining technology expertise with a business-first approach. We partner closely with our clients to understand their goals, challenges, and long-term vision, delivering tailored solutions that improve operational efficiency, enhance customer experiences, and accelerate digital transformation. Our Services AI Development & Integration (Generative AI, AI Agents, Machine Learning, NLP & Computer Vision) Custom Software & Web Application Development Mobile App Development (iOS, Android, Flutter & React Native) SaaS & MVP Development Technology Consulting & Digital Transformation Business Process Automation Dedicated Development Teams & Staff Augmentation Why Choose EitBiz? 1,000+ Successful Projects Delivered End-to-End Product Development Expertise AI, Web, Mobile & Enterprise Technology Specialists Flexible Engagement Models & Dedicated Teams Focus on Measurable Business Outcomes Long-Term Technology Partnership Approach At EitBiz, we believe technology should solve real business challenges, not just build software. By combining strategy, design, engineering, and emerging technologies, we help organizations launch innovative products, modernize existing systems, automate processes, and create sustainable competitive advantages in an evolving digital landscape.Looking for work in .NET DevelopmentLocated in Fort Wayne, United StatesFrom €3,000 for .NET DevelopmentWorked in Others (+4)Speaks English51-200 membersLionwood.software
5(8 reviews)Find the Perfect Solution
Lionwood.software specializes in crafting custom software solutions tailored to meet the unique needs of businesses across various industries. Our expertise spans software development, application creation, IT solutions, and consultancy services. We have extensive experience building WMS, ERP, TMS, and CRM platforms. Many projects focus on transforming legacy software into cloud-ready architectures that improve performance, usability, and maintainability. Our services include: - Software Product Development Services; - Product Design Services; - MVP Development Services; - Web App Development Services; - Mobile App Development Services; - AI Software Development Services.1 work in .NET DevelopmentLocated in New Castle County, United StatesFrom €5,000 for .NET DevelopmentWorked in Marketing & Advertising (+10)Speaks English, Ukrainian51-200 membersEchoGlobal
5(2 reviews)★ Hire Top Remote Software Developers
Top awarded☂ ISO 27001 Certified Tech Talent Provider | ⚑ Eastern Europe & LATAM | ◉ Trusted by Fortune 500 Companies | ✔ 10+ Years of Experience | ✱ 1-Week Risk-Free TrialLooking for work in .NET DevelopmentLocated in Miami, United States (+4)From €10,000 for .NET DevelopmentWorked in Software & Computer Services (+8)Speaks English, Estonian(+3)11-50 membersLinnify
5(8 reviews)Simplifying life through innovation.
Top awardedLinnify is an awarded global technology partner , founded in 2016, with offices in Europe and the U.S. We empower visionary companies to accelerate digital product development . Faster, smarter, and more reliable than thought possible. From growing startups to established enterprises, we help turn bold ideas into scalable, user-centered digital solutions that drive measurable business impact. Our cross-functional teams deliver end-to-end capabilities in: - product strategy and validation - UX/UI design - custom software development (web and mobile) - AI and machine learning development - data engineering - cloud-native solutions - XR (AR/VR) applications - team augmentation Our validation-driven development approach ensures every product is aligned with actual market needs , minimizing risk while accelerating time-to-market. With a proven track record of building 80+ digital products across industries such as healthcare, logistics, education, automotive, and pharma , Linnify is present through strategic partnerships in major tech hubs like Austin, Berlin, and London. Our commitment to quality has earned us global recognition, including FT1000 ranking, Clutch Top 100, and ISO 27001 certification. Whether you’re seeking an AI development partner, looking to validate a product idea, or scaling your development capabilities, Linnify delivers with agility, transparency, and lasting impact through dedicated product teams. Let’s simplify life through innovation. Together.Looking for work in .NET DevelopmentLocated in Austin, United States (+1)From €5,000 for .NET DevelopmentWorked in Education (+9)Speaks English, Romanian11-50 membersScopic Software & Scopic Studios (Marketing Agency)
5(4 reviews)Top awardedScopic is a global software development company with 20 years of experience crafting secure, AI-enabled custom software solutions, with 250+ skilled professionals across 6 continents delivering 1000+ successful projects and earning 100+ five-star reviews on Clutch, GoodFirms, DesignRush, Guru, and Google. Its sister company, Scopic Studios , is a full-service digital marketing agency and affordable growth partner that leverages AI-driven strategies — spanning SEO, GEO, PPC, and next-generation search visibility — to help businesses stand out in both B2B and B2C markets. Together, the two companies serve a wide range of industries including Healthcare, Education, Media & Entertainment, Manufacturing, Ecommerce, Finance, Cannabis, and Dental & Orthodontics, offering everything from bespoke software and cloud architecture to 360-degree digital marketing, all with affordable pricing and HIPAA-compliant, SOC 2 Type I certified standards. Reach out for a free quote at sales@scopicsoftware.comLooking for work in .NET DevelopmentLocated in Boston, United States (+1)From €1,000 for .NET DevelopmentWorked in Food (+11)Speaks English, Arabic(+3)201-500 membersTimspark
5(3 reviews)Software development, engineering teams, AI/ML, data, cloud, and DevOps.
Top awardedTimspark is a software development company helping startups, SMBs, and enterprises build, scale, and modernize digital products and technology platforms. We provide custom software development, team augmentation, and dedicated engineering teams across web and mobile development, AI/ML, data engineering, cloud and DevOps, QA automation, and Salesforce. Our teams can integrate with an existing engineering organization or take responsibility for full-cycle product delivery, from discovery and architecture to development, testing, deployment, and ongoing support. Our experience includes microlearning and EdTech platforms, cybersecurity and vulnerability analytics, industrial IoT and real-time data processing, AI-powered point cloud and Scan-to-BIM solutions, pharmaceutical data platforms, and scalable web and mobile applications. Whether a client needs senior specialists to strengthen an existing team, a dedicated cross-functional engineering team, or end-to-end software development, Timspark provides the technical expertise and delivery flexibility to move projects forward efficiently. Services: Custom Software Development • Team Augmentation • Dedicated Engineering Teams • Web & Mobile Development • AI/ML & Data Engineering • Cloud & DevOps • Salesforce • QA & Test AutomationLooking for work in .NET DevelopmentLocated in Saint Petersburg, United States (+1)From €3,000 for .NET DevelopmentWorked in Media (+15)Speaks English, Armenian(+6)51-200 membersQuantum IT Innovation
5(154 reviews)Top Mobile & Web Development | AI Solutions | Digital Marketing Services
Highly recommendedQuantum IT Innovation is a world-class IT firm specializing in Business optimization solutions, Web Development, App Development, AI, & Digital Marketing for B2B and B2C agencies and companies in the USA, UK, Canada, Ireland, UAE, Australia, the Middle East, India, & across the globe. Our expertise extends to working with startups and global enterprises, crafting innovative products that drive growth and success. With a dynamic team of over 200 talented professionals, we offer end-to-end digital engineering solutions that align with your strategic goals. Why Partner with Us? With nearly a decade of industry experience and a portfolio of prestigious clients, Quantum IT Innovation stands at the forefront of digital innovation. Our commitment to excellence is reflected in: 1,000+ clients served globally 2,000+ software solutions delivered $800 million+ raised in investments for startups 5+ innovation hubs driving cutting-edge research and development At Quantum IT Innovation, we are dedicated to building transformative digital products that elevate user experiences and propel businesses forward. Join us in shaping the future of technology. Our Services - Mobile app development - Web app development - Artificial intelligence consultancy - Android App Development - Professional SEO Services - Digital Marketing - Custom app development - iOS App Development Company - Robotic Process Automation (RPA) - Social Media Marketing ServicesLooking for work in .NET DevelopmentLocated in Dallas, United States (+5)From €1,000 for .NET DevelopmentWorked in Education (+23)Speaks English, Hindi201-500 membersSumatoSoft
5(2 reviews)Your Strategic Partner for AI Digital Evolution
Top awardedSumatoSoft specializes in digitalizing businesses by combining stable, mission-critical software with advanced AI capabilities. We empower our clients to unlock new levels of automation while ensuring their AI systems remain secure, governed, and high-performing. Why Leading Brands Choose Us: Value-First Mindset: We identify the highest-impact AI use cases for your specific industry. Reliability at Scale: We build software that handles massive loads without breaking. Future-Proof Tech: We use only relevant, battle-tested AI and software frameworks. Deep Integration: We act as your internal tech department, diving deep into your business challenges. By becoming a true technological partner, we ensure that every line of code and every AI model contributes directly to your business efficiency and market leadership.Looking for work in .NET DevelopmentLocated in Boston, United StatesFrom €10,000 for .NET DevelopmentWorked in Retail (+12)Speaks English51-200 membersKUCHORIYA TECHSOFT
5(49 reviews)Innovate, Build, Succeed with Web & App Solutions
Highly recommendedTop awardedKuchoriya Techsoft is a top-rated software development company specializing in custom software development, mobile app development, web development services, and AI-powered solutions. With 16+ years of experience and 1900+ successful projects, we empower businesses to launch, scale, and optimize digital platforms that perform. We serve startups to enterprises with tailored solutions in eCommerce, healthcare, fintech, travel, and more. Our team of expert developers delivers secure, scalable, and innovative applications using the latest technologies, including AI, machine learning, IoT, cloud, and blockchain. Whether you need an MVP, a full-scale enterprise solution, or ongoing development support, Kuchoriya Techsoft brings the technical expertise and business insight to drive success. What We Offer Custom Software Development Mobile and Web App Development Enterprise Application Solutions eCommerce Development Healthcare, Fintech, and Travel Tech Platforms AI/ML, IoT, Blockchain, Cloud, and Wearables IT Consulting and Virtual CTO Services Dedicated Development Teams Partner with us for agile delivery, transparent collaboration, and long-term digital growth. Website : www.kuchoriyatechsoft.com Email : info@kuchoriyatechsoft.com Phone : +1 (650) 488-7911, +91 77370 26735Looking for work in .NET DevelopmentLocated in Erie County, United StatesFrom €1,000 for .NET DevelopmentWorked in Entertainment & Events (+16)Speaks English51-200 membersAccedia JSC
5(12 reviews)Exceeding expectations
Highly recommendedTop awardedAccedia is a premier European IT services company, specializing in technology consulting and custom software development. Founded in 2012 in Sofia, Bulgaria, Accedia has established itself as a trusted global technology partner, recognized for its exceptional team culture and commitment to excellence. With a global presence spanning 5 continents and over 20 countries, we serve a diverse client base, from South Africa and Japan to the United States and the Nordics. Accedia is particularly strong in key sectors such as Manufacturing & Automotive, Banking & Fintech, Information Technology, and Energy & Utilities. Our portfolio harnesses the power of transformative technology by: Creating user-centric digital experiences for web and mobile platforms Harnessing and analyzing data for valuable business insights Guiding organizations in their cost-effective use of cloud services Accelerating practical gains from AI adoption Elevating cyber security to protect organizational assets Developing tailored Line-of-Business applications Our dedication to quality has earned us global recognition. Accedia was ranked among the top 100 global service providers by IAOP in 2023 and 2024, and we've been repeatedly listed by the Financial Times and Deloitte as one of Europe’s fastest-growing tech firms. As a long-standing certified Microsoft and AWS partner, we further enhance our ability to develop custom solutions that empower businesses in various domains. Accedia integrates Environmental, Social, and Corporate Governance (ESG) principles throughout our operations and value chain. Certified for ISO 14001 Environmental Management since 2015, we’ve been on a carbon neutrality journey ever since. Our focus on sustainable software development, green procurement, and client education positions us as an industry leader in driving environmentally responsible IT initiatives.3 works in .NET DevelopmentLocated in Boston, United States (+1)From €1,000 for .NET DevelopmentWorked in Banking & Financials (+1)Speaks English, Bulgarian(+1)201-500 members