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.

At Tech.us, we specialize in driving business growth through digital transformation, empowering companies to enhance their top and bottom lines. Renowned for our ability to deliver software and technology projects on time and within budget, top companies trust us to achieve their objectives efficiently and effectively.

Comprised of a dedicated team of technology experts, we are deeply passionate about our work and committed to our customers' success. With a genuine love for technology and a steadfast dedication to helping businesses thrive, we leverage our expertise to empower you to achieve your growth objectives through innovative technological solutions.

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.

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.

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.

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.

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.

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.

Konstant Info is a renowned software development company that specializes in delivering innovative and tailored solutions to businesses globally. They offer a comprehensive range of services, including web development, mobile app development, e-commerce solutions, and more. With Their team of skilled professionals and extensive industry experience, They are committed to providing top-notch solutions that meet the unique requirements of Their clients.

Their client-centric approach and dedication to quality have earned them a reputation as a trusted technology partner. They leverage the latest technologies and best practices to deliver exceptional results. Whether you need a website, a mobile app, or a custom software solution, Konstant Info is here to turn your ideas into reality.

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.

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.

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.

Glorium Technologies is a leading technology consulting and software development company that offers innovative solutions to businesses worldwide. They specialize in delivering customized software development, mobile app development, and IT consulting services to help their clients stay ahead in the digital era.

They leverage the latest technologies and industry best practices to create robust and scalable solutions tailored to meet their clients' specific needs. Their team of skilled professionals is dedicated to providing top-notch services and ensuring client satisfaction. With their expertise and commitment to excellence, Glorium Technologies empowers businesses to thrive in the ever-evolving technology landscape.

WeblineGlobal is leading Software Development Company from Irvine, California, USA; active since 1999. We are considered as one of the leading software development Organization in the Market, started providing enterprise services and solutions, well before our counterparts. With extensive experience in complex new age tech, our team is well equipped not only in software programming but also subject matter in various business domains to successfully define the road map and achieve the goals of our clients meeting all their expectations.

We’re an IT sourcing business with over 20 years of experience and the best tech talents in the world from Poland, the US and other major Western countries. We’ve had a first-row seat to the issues caused by companies’ limited IT resources, so we came up with Smart IT Delivery that leaves IT sourcing's limitations in the past - connecting two “shores” of IT sourcing with a proactive approach to bring ideas to life. Upgrade your IT game with our integrated nearshoring (from your country or nearby) and offshoring (from Poland) approach, where local expertise meets global excellence. We understand that small things can make a big difference, and we’re here to understand and consult you - not just outsource some of the best tech talents in the world.

ScienceSoft provides React JS consulting services, which can assist you in enhancing the functionality of your React.js application, improving the quality of the code, and making it easier to maintain. The goal of an app development project’s life cycle that involves React.js consulting is to resolve any technical issues that may arise over the course of React.js development. 

Their React Js Consultants analyse and enhance the speed of the React JS application’s front end, Inspect and refactor the existing React.js code and update the most recent version of React.js, or the migration of an existing application. 

React JS consulting from ScienceSoft has helped their clients to lower 50-90% of front-end performance issues due to high-quality code and adoption of React JS code best practices.

Intersog is a leading player among JavaScript development companies, with a strong track record of delivering exceptional solutions to over 150 happy clients. With 18 years of experience in the IT business, they have built a team of over 250 technology experts who are dedicated to creating innovative and cutting-edge JavaScript applications.

At Intersog, they understand the importance of JavaScript in modern web development and leverage its power to create dynamic and interactive websites and applications. Their team of skilled professionals stays up-to-date with the latest trends and technologies in JavaScript to provide their clients with state-of-the-art solutions that meet their business needs.

With a focus on quality and customer satisfaction, they have earned a reputation for delivering reliable and efficient JavaScript development services. Whether you need a simple website or a complex web application, Intersog has the expertise to bring your ideas to life and help your business thrive in the digital landscape.