Top .NET Custom Software Development Companies
List of the Best .NET Custom Software Development Firms

Working with more than 100 clients, Novalab Tech has collected a great deal of valuable feedback. Completed projects and satisfied customers have given us great feedback on our services, which makes us proud of our portfolio and mission.Shaping the future of the software industry by creating unprecedented value and opportunities for our customers is our mission.
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$10,000 +
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50 - 249
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$25 - $49 / hr
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US, Falls Church
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We are not just an agency. We are your partner!In a transparent process, we work with you from start to launch to make sure all your questions/issues are addressed. And, of course, celebrate your wins.We believe that communication is key to the success of any project, and that is our core strength. We are also available during the week at any time.
We work with startups and businesses at an early stage, helping them provide secure, customized software solutions. Implementing a Greenfield project is our job!Our goal is simple: provide our customers with high-quality digital solutions that meet their needs and deliver measurable results.We care about creating successful products. Whether you're a non-technical founder or need the extra firepower to support your internal team, our goal is to make life easier for you and your team.
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$25,000 +
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10 - 49
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$100 - $149 / hr
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US, Falls Church
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With nearly a decade’s experience, we use best practices and development standards to deliver high-performance applications, focused on the user experience. Our mission goes far beyond providing you with the technological tools necessary for your digital transformation. We promise you the support you need to guarantee the success of this important transition across the board. Our core expertise is in Native application, Mobile Applications, Cross-platform application, Website development, Travel based application, Sensor-based Application, CMS, e-commerce application and enterprise application. We analyze our client’s requirements in-depth and provide progressive and cost-effective approaches for the optimal solution through our consultancy services. OneClick’s another strong vertical is digital marketing. We make sure you reach the right audience at the right time and through the right medium.
We are a Tech savvy company with 100+ developers who have successfully delivered 525+ Mobile Apps and Enterprise apps and 370+ websites for our clients and partners with different business verticals and domains across the world. OneClick IT Consultancy is the best custom software development company based in India & USA with expertise in BLE, Travel etc. Our software developer provides offshore services. Our customers and partners choose OneClick for many reasons, including the versatility of our technologies, our support for open standards, and the high degree of interoperability of our products. Whether you need a complete application, a modification to existing software, an audit or an on-site developer to fill a heavy workload, we put our resources at your service to find solutions to your issues.
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$1,000 +
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50 - 249
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$25 - $49 / hr
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IN, Ahmedabad
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OneSpring is a consulting company specializing in developing better products and software for our clients. Our team consists of user researchers, user experience specialists, user interface designers, and special features experts.We truly believe that software can have a direct impact on our world and everyday lives.
OneSpring is a human-centered consulting company that specializes in defining, designing and developing digital strategies and software applications in less time. At OneSpring, we truly believe that software can have a direct impact on our world and everyday lives. We strive to make a positive impact on the world by helping individuals, corporations and government agencies create cutting-edge software products in highly effective and efficient ways.
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$5,000 +
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10 - 49
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$100 - $149 / hr
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US, Atlanta
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OnGraph has grown from 1 to 200+ in the last 10 years of business purely based on single sole focus - 100% customer success - driven by deep technology expertise, complete accountability, and remarkable processes. With an exceptional client retention rate of over 92%, we have a remarkable track record of having served clients across the world. Our adept team of 200+ industry experts has strong expertise in various industry-standard technologies along with niche emerging areas including BlockChain, Analytics & Visualization, IOT, ChatBot, VoiceBot, AI, ML, AR. We provide deep expertise across iOS, Android, HTML5, NodeJs, ReactJs, and other web and mobile platforms. With global presence in the US, UK, Canada, Malaysia & Singapore, and 2 state-of-the-art development centers in India, OnGraph is one of the most sought-after company to work for, trusted by 400+ customers across the world.
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$1,000 +
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50 - 249
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$50 - $99 / hr
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US, New York City
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We serve any client in any industry, large or small. Along the way, Oxalis has developed certain competencies in shipping, healthcare and other industries affected by regulatory compliance.
Oxalis is a team of outstanding professionals with offices in Oregon, Washington, D.C., and California dedicated to serving our clients nationwide with technology consulting through implementation services. We create, integrate and implement solutions that meet our clients' goals and objectives. While Oxalis services cover the entire workforce, we specialize in execution in highly compliant and highly regulated environments such as healthcare, government and maritime.
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$1,000 +
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10 - 49
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$25 - $49 / hr
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US, Portland
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We are one of the fastest growing IT service providers with our main operations in the Middle East, India and the United States.
ParamInfo is a global leader in consulting, IT services, IT solutions and outsourcing.Spanning nearly two decades of IT paths to systems management and how global enterprises work, we skillfully guide our clients through a complete digital transformation.The result-oriented approach, quality results and successful long-term relationships represent the professionalism, dedication, passion and dynamism of ParamInfo as leaders in the IT industry.
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$1,000 +
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50 - 249
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$25 - $49 / hr
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US, Dallas
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We're a Boston-based digital agency that creates products and provides services that improve business performance. The idea is simple. You need to drive adoption, engagement, and above all, revenue. But you don't know how. There are vanity metrics like tweets, likes or followers, but unfortunately they don't sell your product.
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$1,000 +
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2 - 9
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$25 - $49 / hr
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US, Boston
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Pixel and Texel have been building custom apps, virtual reality, websites and server solutions since 2011. Our team combines years of code writing, project planning, and coffee to build a bridge that connects brands to consumers.
All development is done in-house, so our projects can be innovative through rapid collaboration and iteration. We enjoy building strong customer relationships that lead to cost-effective, world-class experiences.
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$50,000 +
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10 - 49
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$100 - $149 / hr
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US, Dallas
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We have various expertise in social media, travel, e-commerce, retail, publishing, enterprise Saas applications, virtual reality, medicine, gaming, sports betting, blockchain solutions, financial technology, real estate, databases, smart home solutions, voice applications. and more. If we haven't worked with your market before, we'll study it. We have a dedicated team to research your project.
Our process is what makes us unique because we focus on the experience. We take the time you need for your project and take our time with it. Your product experience represents your brand, and each project is unique in its own way and deserves our full attention. We are happy to work on all projects to reach their full potential. Products should always be able to scale, and scale quickly and easily if done right the first time. We don't want to just work with you, we don't want to build unique relationships and trust everyone we work with.
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$5,000 +
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2 - 9
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$50 - $99 / hr
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US, San Diego
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Pixel Values Technolabs is an ISO 9001: 2015 certified app development company with a development center in India with offices in the US and Dubai that offers exceptional app development for iPhone, iPad, Android devices, web services to provide end-to-end solutions.
We serve our valued customers worldwide with over 45 dedicated and experienced developers. Consequently, Pixel Values is preferred because it is the best all-in-one solution for all IT needs. We have a good customer and partner base in the global market, and we are trying to expand our relationships further.When you choose Pixel Values, you get more than our programming and design. You also get our years of experience and expertise
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$5,000 +
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10 - 49
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< $25 / hr
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US, Dallas
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We're a design agency, all virtual. We help companies build brands with our web design, digital marketing and branding services.
We are a digital agency helping you with branding, design, digital marketing and team building. We are a fully virtual team of experts from members from many cities around the world.
We work with companies around the world to help them find their clients, make their brands stronger than ever, and we provide teams to work on their dream projects.
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$1,000 +
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2 - 9
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< $25 / hr
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US, Boston
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As pioneers of high-end personalized mobile solutions, we strive to create experiences that transform our customers' businesses and make it easier for them to engage with new technologies.Innovation, high performance, experience and results are the pillars that dominate our daily lives.
For more than 10 years, we have been serving startups as well as large institutions and companies, developing technological upgrades to improve their processes and increase their competitiveness in the marketplace.Specialists in different areas of technological expertise, we offer a team to monitor, manage and ensure technical excellence at every stage of your project.
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$5,000 +
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50 - 249
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$50 - $99 / hr
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US, Orlando
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Profinit is one of the leading companies in the field of Software Development, Big Data & Data Science, Consulting and IT Outsourcing. IDC Research ranked Profinit as the third largest custom application developer in the Czech Republic.
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$50,000 +
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250 - 999
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$50 - $99 / hr
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Programmers.io is an IBM business partner, Microsoft Gold Certified Company. Programmers are experts in both legacy (IBMi/AS400) and modern platforms.
What we do? (A) Affordable Software Teams Got a project? We’ve got the bandwidth to get the job done super fast while guaranteeing the best bang for your buck. Let us hook you up with RPG, PHP, Dot Net, RPGLE/AS 400 C++ Development, Analytics, Quality Assurance, Automation you-name-it, we’ve got you covered. Give us a call! Let’s figure out exactly what you need and how we can help. (B) Affordable Website Maintenance Subscription Service We deliver a no strings attached, monthly subscription service that fully manages your online business strategy for a fraction of the cost.
Competitive Analysis At Programmers.io, we begin by analyzing your competitors’ websites to discover how we can elevate your digital strategy. We design secure, mobile-optimized websites and focus on data-driven analytics to ensure a great customer experience. Here’s how it works: Enroll, pay-as-you-go, cancel anytime Mobile Optimized Business Website This is real: 56% (or more) of your audience visits using a mobile device. If your site doesn’t immediately load, if buttons and images look weird, your customers are gone. Every description, form, and picture must be optimized for mobile success. We can build you a new site or adapt an existing design that acts flawlessly across all devices. High ROI Internet Marketing We know where your competitors are spending their money, and we know exactly where you need the most help to improve your sales. We maintain extremely reasonable prices by investing only in targeted areas that you specifically need. Private Label Partner Service Discover how to partner with our awesome team so that you can deliver similar solutions to your customers. Our solutions are easily bundled and customized as private label services.
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$1,000 +
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10 - 49
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$25 - $49 / hr
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US, Dallas
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QArea has been independently appraised at CMMI-DEV Capability Maturity Level 3. We are the only mid-size software development outsourcing company with a CMMI-DEV appraised business unit in Ukraine.
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$5,000 +
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50 - 249
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$25 - $49 / hr
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UA, Kharkiv
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QuickSoft specializes in finding innovative solutions to meet your unique business challenges. From platform integration to mobile app design to customized business applications, QuickSoft will develop your solution in the most efficient manner possible. Our dedicated team of engineers will vet your project for viability, ask poignant questions, and present multiple solutions based on our deep understanding of your project. Once the project is green-lit, we put communication in the forefront. You are given regular updates with approvals required at every stage of the process. This is how we ensure that your success is our success!
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$10,000 +
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2 - 9
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$100 - $149 / hr
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US, Los Angeles
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Quokka Labs is an IT Products & Services consulting company striving to design, develop, and deploy solid and scalable software systems. We are proud to be recognized as one of the top app development companies by GoodFirms and Clutch (both being the leading IT services rating firms worldwide).
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$5,000 +
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50 - 249
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$25 - $49 / hr
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RAD Tech Professionals is an IT Outsourcing and custom software development company that helps businesses of all sizes accelerate their product development and deliver to the market faster than competitors.
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$10,000 +
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50 - 249
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$25 - $49 / hr
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Ben West and Marshall Smith, two experienced software engineers, founded Radial Development Group in 2015. Ben and Marshall are determined to use their expertise to build a firm that leverages better project management, design process and strategic decision making, and a sustainable holistic culture that prioritizes not only the work, but also the people who do it
Radial Development Group believes that our work only has value after it has been delivered to our customers, their users, and their clients. Radial develops processes so that meaningful incremental improvements are made every two weeks.At Radial, our customers expect an ever-improving and evolving product delivered at regular intervals (e.g., twice a month) in a process that improves over time. Ultimately, this is what we provide to our customers: both their product and the process for improving that product.
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$5,000 +
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10 - 49
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$150 - $199 / hr
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US, Denver
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Radiansys Inc (founded 2007) is a technology company based in the San Francisco Bay Area. Our development center is located in Gurgaon, India. We provide technical expertise to startups, SMEs, and Fortune 500 companies in the US.
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$5,000 +
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50 - 249
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< $25 / hr
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US, San Francisco
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Since 1998, we have served a wide variety of clients, from start-ups to Fortune 1000 companies. Our success is due to our ability to quickly understand your audience and project requirements, and implement the ideal tools to achieve your communication, marketing, sales and technology goals
Sandcastle is a full-service web design and development company specializing in e-commerce, custom app development, mobile technology, hosting and maintenance. Since our founding in 2001, we've designed and developed websites and applications for companies in a wide variety of sectors at different stages of their growth. Our capabilities focus on creating platforms tailored to the specific needs of your business.
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$5,000 +
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2 - 9
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$100 - $149 / hr
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US, Seattle
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With our "100% Satisfaction" Policy, we deliver excellence to our customers and promise them the app/website of their dreams, so they can be sure they are in good hands.
Our team consists of diverse and talented people with years of experience in their chosen fields. Over the years we've built mobile apps and websites for many clients in a variety of industries. We don't just make the perfect product. We also involve our clients in the development process so you know what's being done.
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$10,000 +
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2 - 9
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$25 - $49 / hr
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US, Seattle
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Seasia is one of the leading organizations that provide new heights to the business process environments. We have a track record of success who takes a hands-on approach to build business opportunities. Grow the business footprint and generate bottom-line revenue for the company. We implement the best business development initiatives, which will push you to target more business propositions. We always show up with powerful, persuasive digital strategies and goals that can generate leads for you. We also collaborate with the businesses that need our support to ensure successful marketing implementations. From software developments, marketing to Artificial Intelligence implementations, we provide robust product solutions.
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$5,000 +
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250 - 999
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$25 - $49 / hr
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US, Emeryville
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Secure MLM is a well-known international MLM software development company. We use cutting-edge technology to deliver solutions for all of your multi-level marketing needs.
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$1,000 +
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10 - 49
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< $25 / hr
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We specialize in developing compelling web and mobile applications for our clients around the world. We enjoy the difficult and complex challenges of adapting to the ever-changing global markets.
Sedente is a well-known technology provider to help you get the most out of your applications. Our developers have years of experience with complex software development projects using Microsoft tools and technologies, allowing you to imagine, design and deploy solutions that meet your specific needs. Our vision is to satisfy our clients by integrating and optimizing different types of tools and systems. Our highly trained and experienced solutions specialists are able to provide you with the best web services you will ever use. We adapt to your development lifecycle to ensure a successful solution implementation.
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$5,000 +
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2 - 9
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$50 - $99 / hr
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US, Houston
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Segue Technologies Inc. provides reliable IT services to government, commercial and non-profit clients. Segue provides full system life cycle design and support; with expertise from requirements analysis to design and development, implementation and ongoing maintenance.
Segue specializes in supporting legacy enterprise systems while developing custom alternatives. Their focus on adapting innovative technologies to specific customer needs leads to optimal network engineering, system architecture and implementation, business intelligence and enterprise solutions. Since its founding in 1997, Segue has provided solutions that have supported a wide range of government and commercial projects using a "customer first" approach. This philosophy of working for our clients to achieve their goals has led to a long-standing Segue relationship dating back to the founding of the company.
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$5,000 +
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50 - 249
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$100 - $149 / hr
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US, Arlington
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As a leading web and app development agency, we take pride in delivering excellence with our expert services. Here at Shopifyninja, we are a team of dedicated and highly qualified professionals who work with an aim to provide utmost convenience. From small businesses to large conglomerate, we facilitate our network of clients with responsive web and app development services.
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$50,000 +
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50 - 249
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$50 - $99 / hr
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CA, Toronto
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Founded in 2014, we've grown from a small team of undecided computer science students pushing the boundaries of cutting-edge technology in Stanford dorms to a professional consulting firm of business strategists, software engineers and product designers providing comprehensive technology. consulting services from around the world.
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$50,000 +
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10 - 49
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$100 - $149 / hr
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US, Boston
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Sitka provides specialized software products and data management services that improve our communities, the economy and the environment. Sitka helps policymakers, program managers, and regulators focus on results.
Sitka Technology Group is pleased to announce that we are joining Environmental Science Associates (ESA). Founded in California in 1969, ESA has gradually grown to a team of more than 550 employee-owners providing planning, design, permitting, mitigation and habitat restoration services for projects serving communities, infrastructure systems, open space and wild lands. Over the past several years, ESA and Sitka have collaborated on work for several key clients, including the California Department of Water Resources (DWR) and Los Angeles World Airports (LAWA).
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$10,000 +
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10 - 49
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$50 - $99 / hr
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US, Portland
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SlideWave is committed to helping businesses make a positive impact on the world by creating apps that eliminate user frustration and return countless hours of precious time.
SlideWave was founded in 2014 by software and technology entrepreneur David Dashler. SlideWave is a custom application development firm that offers superior UX design that makes using software a pleasure. We serve companies that are ready to accelerate their business, empower their employees, and provide customers with a phenomenal brand experience. Above all, we're excited to work with companies who want to make a positive impact on the world.
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$25,000 +
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2 - 9
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$150 - $199 / hr
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US, Orlando
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SmartTek Solutions is a software development company that delivers software products, managed IT outsourcing services, and solution engineering to world-renowned customers.
Whether it's ERP implementation, VR training simulator, or eCommerce website development, we perceive each of our clients' requests with passion, creativity, and readiness to deliver incredible results.
Our customers are entrepreneurs, startups, and Fortune 500 companies from the US, Australia, and Western Europe. We make quality products, not just quality code.
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$10,000 +
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50 - 249
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$25 - $49 / hr
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Softacom is a full-cycle business app development (web & mobile development) provider for technology companies and startups primarily located in the US, EU, and the UK.
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$5,000 +
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50 - 249
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$25 - $49 / hr
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US, Bellevue
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We currently work in 8 countries in the Americas and Europe and have offices in Mexico, Colombia, Canada, Chile and the UK.
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$10,000 +
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10 - 49
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$25 - $49 / hr
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US, San Diego
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Sourceved Technologies Pvt Ltd is a leading digital transformation company with extensive experience in Sitecore, Microsoft technologies, and CMS-based Solution Development Services. Also, we have started expanding our horizon on mobile app development, and UIUX designing with the latest technologies.
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$1,000 +
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10 - 49
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$50 - $99 / hr
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Our key highlights are 365 x 24 x 7 SLA-driven support, multi-location implementation, end-to-end delivery with 360-degree support, universal presence in over 35+ countries, 250+ resources, 1000+ projects, 55000+ person-hours. As a modern IT organization, we strive hard to keep at pace with the most recent technologies, and our resources are well versed with the latest happenings in the IT world today. Our services and solutions are widely implemented, accepted, and appreciated in a wide range of industry domains like Sales & Distribution, Retail & FMCG, Shipping & Logistics, Education, Healthcare, Digital Media & Advertisement, Real Estate & Property Management, Energy & Utilities, Manufacturing.
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$10,000 +
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250 - 999
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$25 - $49 / hr
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IN, Ahmedabad
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A collaborative approach to innovation development. We are a comprehensive digital solution for technology companies, a digital partnership. Guided by a culture of continuous learning and a desire to stay ahead of the crowd.
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$10,000 +
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10 - 49
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$25 - $49 / hr
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US, San Francisco
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We have grown by focusing on user interface development. Based in Philadelphia, PA, and with two R&D offices in Eastern Europe, we are able to offer a "best-in-class" environment for knowledge sharing and collaboration at competitive prices.
At Speed & Function, we're committed to making it easy to work with us - whether that means ensuring smooth integration with your team, robust processes, or highly trained professionals who get things done right the first time.
Our unique value lies in our approach to development. By focusing on learning, feedback and transparency, we can achieve alignment with our customers (and deal with uncertainty and complexity) quickly, flexibly and easily.
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$5,000 +
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50 - 249
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$50 - $99 / hr
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US, Philadelphia
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With more than 10 years of combined experience, we are a merger of two digital agencies, Spokes Labs, specializing in performance marketing, and Return On Web (ROW) Consulting, an ISO 9001: 2015 and award-winning top 20 digital transformation and technology solutions company. With more than 70 employees in offices in the San Francisco Bay Area and Pune, India, we are committed to changing the future of business.
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$1,000 +
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10 - 49
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$25 - $49 / hr
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We build modern web applications.Our small team has been working together since the mid-2000s, and officially as Square Mill Labs since 2010. We've worked with Fortune 500 companies, small startups, political campaigns, healthcare organizations, venture capital firms, fintech companies of all sizes and types. companies and organizations between
We develop long-term relationships with our clients and get the work done on time and on budget.We have extensive experience performing all phases of design and engineering for the following:Websites,Custom content management systems,Minimal viable products,Cloud-based applications for SaaS companies,Big data medical applications,Instant messaging between peer-to-peer nodes in high volume,Embedded Development.
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$25,000 +
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2 - 9
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$150 - $199 / hr
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US, Tampa
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