60+ Best .NET Development Companies in the USA

SunTec India is a leading global IT and business process outsourcing solutions provider with over 25 years of industry experience. Headquartered in New Delhi, India, our company is supported by a team of 1,500 skilled professionals and subject matter experts across different specializations. We take pride in our strong international client base of over 8,530 clients across 50 countries, including the United States, Canada, United Kingdom, Australia, Sweden, Germany, France, Norway, Switzerland, and Singapore. Our company holds key global certifications including ISO 27001:2013 for Data Security, ISO 9001:2015 for Data Quality, HIPAA compliance, CMMI level 3, Amazon Service Provider Network Partner status, nopCommerce Gold Partner and Shopify Solutions Partner status.

Cloudester Software is a leading technology company that creates custom software solutions for businesses across the globe. Founded in 2011 and based in New York, Cloudester specializes in software, web, and mobile app development. The company uses the latest technologies like Artificial Intelligence (AI) to deliver innovative solutions that help businesses grow and improve.

Cloudester’s team includes over 100 skilled developers and 300+ global contractors. They work closely with clients to understand their unique needs, ensuring every project is tailored to meet specific goals. From healthcare to e-commerce, Cloudester serves many industries, offering solutions that are secure, reliable, and efficient.

Cloudester is proud to be ISO 27001 compliant, ensuring high standards of data security and privacy. With experience completing over 120 successful projects, Cloudester has helped businesses of all sizes transform their operations and achieve success.

Whether it’s building a custom app, improving business processes with AI, or augmenting staff for IT projects, Cloudester delivers solutions with speed and quality. Trusted by industry leaders like Pfizer and Wockhardt, they are committed to providing cutting-edge digital solutions that drive results. Learn more at Cloudester.com.

XB Software is a dynamic and innovative software development company, dedicated to providing cutting-edge solutions tailored to meet the unique needs of businesses across various industries. With a strong foothold in the IT industry, XB Software has established itself as a trusted partner for organizations seeking top-tier software development services.
At the heart of XB Software's success lies a team of highly skilled and experienced professionals who are adept at crafting bespoke web and mobile applications, enterprise software, and custom software solutions. Their commitment to excellence is evident through their dedication to delivering projects on time and within budget, consistently exceeding client expectations.
Moreover, XB Software boasts a diverse portfolio, showcasing a wide range of successful projects that have significantly enhanced the operations of numerous clients. Their expertise in JavaScript, Node.js, and other cutting-edge technologies has positioned them as a leader in the industry, making XB Software a go-to choice for businesses seeking innovation and reliability in software development

Established in Dubai in 2005, and with additional offices in Manchester and New York, Nexa is an award-winning growth marketing agency, providing high quality, effective and measurable growth marketing campaigns. Nexa has built a strong track record and has the in-house capabilities to support clients through a comprehensive portfolio of digital transformation services including digital marketing, lead generation, account based marketing, sales and CRM services and customer service measurement.

The company provides complete, full-scale digital services from opportunity identification through to delivery, implementation and support of the final technology. This is packaged and delivered by Nexa's in-house experts, providing 24/7 support for all the company's clients. Nexa clients include some of the best-known companies in the automotive, education, travel, hospitality and other industry sectors. Nexa is a Diamond-tiered HubSpot Implementation Partner and Premier Google Partner.

Started in 2011, Bacancy Technology is a recognized React JS development agency known for creating a highly dynamic and feature-rich front-end for any website or application with strict adherence to the industry coding standards. 

Their developers hold expertise with all the latest tools and technologies necessary for almost every aspect of web development, from front-end and back-end development to QA testing, implementation, and maintenance. Moreover, their dedicated developers and other web professionals carry through every part of the development process efficiently.

Capital Numbers is a leading digital solutions provider that offers a wide range of services to businesses worldwide. They specialize in delivering high-quality software development, web design and development, and digital marketing solutions. With Their team of skilled professionals and vast industry experience, They are committed to helping businesses achieve their goals and stay ahead in the digital era.

They leverage cutting-edge technologies and industry best practices to deliver exceptional results. Their client-centric approach and dedication to excellence have earned them a reputation as a trusted partner for businesses seeking innovative and reliable digital solutions. Capital Numbers is the go-to choice for businesses looking to make a mark in the digital world.

At VisualFizz, we specialize in driving growth for established, decades-old B2B brands. Our tailored web, branding, and search services are designed to connect with your target audience and deliver measurable results. By leveraging analytical, data-informed strategies, we help industry-leading companies modernize and scale effectively. Our approach ensures that while we handle your digital marketing strategy, you can continue focusing on strengthening your core business.

What sets us apart is our team’s depth of experience. Unlike many agencies, we don’t rely on entry-level staff for critical marketing strategy development. With team members averaging 10-15+ years of expertise in their respective fields, we bring seasoned insight and high-level skills to every project. Working with VisualFizz means partnering with a team that listens attentively, understands your needs, and invests in your long-term growth, all while building a relationship based on trust and genuine care.

Ventionteams is a leading provider of digital transformation and IT consulting services. They specialize in helping businesses leverage technology to drive growth and achieve their goals. They have a team of experienced professionals who are passionate about delivering exceptional results for their clients. Their wide range of services includes software development, cloud computing, cybersecurity, and digital marketing. They take pride in their customer-centric approach, working closely with clients to understand their unique needs and deliver tailored solutions. With their expertise and commitment to excellence, They have earned a reputation as a trusted partner for businesses looking to harness the power of technology for success.

Plego Technologies is a leading web, mobile, and custom software development agency with offices in Chicago, Houston, New York, and Miami. Our proven delivery model has helped numerous clients accelerate their critical initiatives and scale successfully. We partner with businesses across the United States, offering expertise in technical software development for some of the world’s most recognized brands, including Apple TV+, NBCUniversal, Google, Gilead Sciences, Samsung, Fitbit, Scotts Miracle-Gro, Berkshire Hathaway, Zebra Technologies, and Motorola Mobility.

Our team of experienced developers and designers collaborates closely with clients to ensure their needs are met throughout the development process, delivering high-quality solutions on time and within budget. We specialize in website design and development, custom web app development, mobile app development, integration, interactive digital experiences, and cutting-edge technologies like machine learning and AI. By investing heavily in research and development, we stay at the forefront of the latest trends, making Plego Technologies the ideal partner for businesses looking to elevate their digital presence.

Belitsoft provides complete cycle PHP development services. Belitsoft has been in business for 15 years, during which time they have gathered a wealth of experience in progressive employee training and the deployment of first-rate specialized teams for a wide variety of projects. All of their PHP programmers are up-to-date on the most modern tools and techniques.

They treat each client like they’re part of their own family and have a thorough understanding of the basics of business needs. Small and medium-sized businesses, like startups, are among the top PHP developers out there. Healthcare and travel are just two of the many fields in which their employees excel.

Innowise Group is a global full-cycle software development company with over 1600 IT professionals across Europe and worldwide. We offer comprehensive IT services, including Team Extension, IT Outsourcing, Custom Software Development, and more. Our expertise spans cutting-edge technologies like AI, Blockchain, Cloud, and IoT, with a strong focus on digital transformation. Since 2007, we've successfully delivered over 850 projects across industries such as FinTech, MedTech, eCommerce, and more, driving innovation and excellence in every endeavor.

As one of the leading PHP development companies, BairesDev has earned a great reputation. Web application design and development inside the PHP framework is only one of their many areas of expertise. When you hire them, you can be sure that they will not just meet your expectations, but far exceed them.

Their PHP scripting and programming services will aid in the development of your company’s products, boosting the efficiency and effectiveness as well as the scope and functionality of your website and other online services. You may rest assured that their engineers will work carefully to assist your organization in expanding its offers, reaching clients more effectively, and gaining greater control over your development and services.

Saritasa is a software development company that offers a wide range of services, from web and mobile applications to cloud solutions and IoT. Saritasa helps clients transform their ideas into reality by delivering high-quality products that meet their business needs and goals. Whether you need a custom software solution, a website redesign, or a mobile app development, Saritasa has the expertise and experience to make it happen. Saritasa works with clients across various industries, such as healthcare, education, entertainment, and finance. Saritasa is your trusted partner for all your software development needs.

Voltage is a digital agency based in Kansas City, serving clients across North America. Specializing in search marketing (SEO & PPC) and website design/development, Voltage is committed to driving client ROI through a combination of strategic planning, expert implementation, and ongoing optimization. With a focus on creating measurable results, the Voltage team works closely with businesses to develop tailored strategies that not only enhance online visibility but also boost conversions and revenue. Whether it’s improving search rankings or building high-performing websites, Voltage delivers solutions that drive success and support long-term growth for their clients.

DICEUS offers a comprehensive suite of IT outsourcing services that cater to the diverse needs of businesses. Their team of highly skilled professionals possesses extensive experience in various domains, including software development, quality assurance, system integration, cloud computing, and more.

They adhere to strict security protocols, implement robust cybersecurity measures, and comply with industry regulations to safeguard sensitive information. By prioritizing data protection, DICEUS instills confidence in their clients and ensures a high level of trust in their outsourcing partnerships.

Bytes Technolab is a prominent Magento development company based in India with over 10 years of experience in the industry. They have successfully catered to the needs of 425+ global clients, providing them with top-notch Magento solutions that drive their online businesses forward.

With a team of highly skilled professionals, they specialize in delivering customized and scalable Magento development services. Whether you need a new e-commerce store built from scratch or enhancements to your existing Magento website, their experts have the expertise to meet your requirements.

The Creative Momentum is a full-service creative agency that specializes in custom web design, development, UI/UX, and software solutions tailored to your business goals. We take the time to understand your objectives, delivering scalable solutions that grow with your company.

Our service offerings include Branding, UI/UX Design, Web Design, SEO, PPC, and Inbound Marketing. We work with a variety of technologies, including PHP, .NET, AngularJS, C#, React Native, and Node.js, among others, to build robust and scalable digital experiences. For content management, we are experts in platforms like WordPress, Webflow, Shopify, Magento, Drupal, Sitecore, and custom-built systems.

With over 15 years of experience, our team works across industries, delivering results for both small businesses and Fortune 50 companies. Using the Agile methodology, we have been recognized as an industry thought leader and awarded for our exceptional work, consistently defying industry stereotypes.

Cleveroad is a marketplace development company that offers a range of services to help businesses build successful online marketplaces.Their team of experienced developers and designers work closely with clients to understand their specific requirements, target audience, and business goals. By combining this understanding with their technical proficiency, Cleveroad creates customized marketplace solutions that cater to the unique needs of their clients.

They employ the latest technologies and development practices to ensure that the platforms can handle high traffic volumes, accommodate large product catalogs, and facilitate seamless transactions. By leveraging Cleveroad's expertise, businesses can establish successful marketplaces that facilitate seamless transactions, drive customer engagement, and foster business growth in the digital realm.

Brancosoft is a reputable software development company that offers a wide range of technology solutions to businesses worldwide. With their team of skilled professionals and customer-centric approach, they deliver high-quality software solutions tailored to meet the specific needs of their clients. Brancosoft specializes in web development, mobile app development, custom software development, and digital marketing services. They leverage the latest technologies and industry best practices to create innovative and scalable solutions that drive business growth. With a strong focus on customer satisfaction, Brancosoft has established itself as a trusted partner for businesses looking to enhance their digital presence and achieve their goals.

Vincit is a fast-growing ReactJS development company known for its exceptional technical expertise, innovative solutions, and commitment to customer satisfaction. Their skills and expertise along with their illustrious portfolio have earned them a host of awards worldwide.

The developers at Vincit are always updated with the latest trends and techniques in web development and use advanced tools and resources to create cutting-edge solutions optimized for performance, scalability, and user experience. That’s why so many massive MNCs around the world, like Yamaha, TMI, UAG, etc., opt for Vincit’s web development services.