Top 100 C# Developers

Essential Designs is a development agency with offices in Vancouver, Toronto, and Calgary, Canada. Since 2008, the team of fewer than 50 has been specialized in mobile app development, web development, and custom software development.   

ARTKAI is a full-cycle digital product development and consulting company with an emphasis on UX. Founded in 2014, they have about 100 employees and work with SME’s from the US and EU markets. Their team takes care of Web and Mobile Development, UX/UI Design, and Digital Transformation of Businesses from initial research to complete product.

TangoCode, founded in 2015, is a woman-owned custom development company. The company is headquartered in Chicago, with additional offices in Montevideo, Uruguay, and Cuenca, Ecuador. Their team of 41 employees specialize in custom software development, mobile app development, and AI. They work with mid-market and small businesses that are mostly in the advertising & marketing, financial services, and automotive industries. 
 

Sciant is an IT solutions development partner serving specific industry sectors, including Fintech and Banking, Logistics and Transport, Travel and Hospitality, working worldwide for both large enterprises and fast-growth startups.

Sciant develops technical solutions, including big data and business intelligence, machine learning, and blockchain, and forms robust and compliant integrations and interfaces for new digital platforms and legacy systems.
The company is headquartered in Sofia, Bulgaria, and has offices in Plovdiv(Bulgaria), Yambol (Bulgaria), and Tirana (Albania). Number of employees - 130.

BuildApps is a website development firm. Established in 2019, the company is headquartered in Kyiv, Ukraine. The small team provides web development, mobile app development, and ux/ui design.

OpenArc, LLC is a technology consulting firm based in Wexford, Pa. with a team of over 50 members. Since 2010, they have offered their expertise in UX/UI design, IT strategy consulting, and custom software development for business intelligence and e-commerce purposes.

Webtonic Solutions is a web agency based in Sandton, South Africa, and founded in 2010. Their team of no more than 50 offers custom software, e-commerce, and web development solutions for clients in the industries of e-commerce, retail, and business services.

Software development firm Aleph Engineering GmbH was launched in 2017. They are based in Hannover, Germany and have a midsize team. Aleph Engineering GmbH provides custom software development, web design, web development, mobile app development, and more.

Custom software development firm Rite NRG was founded in 2017. The small Wrocław, Poland-based team offers custom software development, e-commerce development, IT strategy consulting, and product design.

Whitecap Canada is a custom software solutions provider based in Toronto. The company, founded in 1997, has over 40 employees who provide custom software development, mobile app development, e-commerce development, and enterprise app modernization services to education, government, and IT institutions.

Kiro.tech is an e-commerce development firm. Their small team is headquartered in Berlin, Germany and Kaunas, Lithuania. Their services include e-commerce development, custom software development, and web development.

Founded in 2004, HeadChannel is a software development firm that offers custom software development, web development, and mobile app development services to their small business and mid-market clients in the IT industry. Their 50 employees are based out of offices in London and Katowice, Poland.

Blobstation is a custom software development company based in Dorval, Canada, and founded in 2018. With over 50 professionals, they offer IT staff augmentation, mobile app development, and custom software development solutions for various clients.

Product design company Intechhouse was founded in 2003. The agency provides product design, custom software development, IT staff augmentation, IoT development, and more and has a midsize team.

Cleverlance is an information services and technology firm that has offices in Redwood City, Calif., Prague, and Bratislava, Slovakia. Founded in 2000, Cleverlance's team of about 450 employees has nearly two decades of experience in web, software, and mobile app development. The firm primarily works with small business and mid-market clients – as well as a few larger enterprises – in the financial services industry, among others. 

Founded in 2011, RUBICON is a software development company located in Sarajevo, Bosnia and Herzegovina. The team of about 30 individuals serves mainly midmarket businesses in the consumer products industries. Their services include web, mobile app, and custom software development, as well as cloud consulting and SI.

Founded in 2015, Deventure is a software development company based in Dublin with two secondary locations in Romania and Germany. Their team of 17 provide web development, mobile app development, and UX/UI design for their small business clients in the business services, financial services, and health care industries.

Softserve Digital Development is an Edenvale, South Africa-based custom software development company. The small firm was launched in 2011. Their team specializes in custom software development, web development, ux/ui design, mobile app development, and more.

Software development company Morplo was established in 2023. The firm provides custom software development and web development and has a small team.

Founded in 2013, Cavepot is a web design company that offers UX/UI design, web design, and product design services to their mid-market and small business clients in the e-commerce, financial services, and other industries. Their 50 employees are based out of Montevideo, Uruguay.

Bluebird Development is a software development company. Founded in 2017, the small firm is located in Dubai, United Arab Emirates and Sandton, South Africa. Their team offers custom software development, web development, mobile app development, application management & support, and more.

Readysalted Design Ltd, a web design agency, was founded in 2003. They are headquartered in Newcastle upon Tyne, United Kingdom and have a small team. Their services include web design, web development, mobile app development, print design, and more.

Midsize IT strategy consulting company A3Logics Inc., is in Carlsbad, California; Jaipur, India and Singapore, Singapore. Founded in 2003, the team focuses on IT strategy consulting, Artificial Intelligence, Custom Software Development, Mobile App Development, and more.

Infosit is a software solutions company from Wilmington, Del. with offices in Porec, Croatia, Mexico City, and Wokingham, UK. It was founded in 2002 and now has a team of 17 that focuses on web development but also provides web design, UX/UI design, mobile app development, and SEO services to primarily mid-size companies. 

Established in 2019, Uinno is a midsize website development firm located in L'viv, Ukraine; Tallinn, Estonia; Kingston upon Thames, England and Zaporizhzhia, Ukraine. Their services include Web Development, Low/No Code Development, Web Design, Product Design, and more.

UppLabs LLC is a fintech software development company based in Kyiv, Ukraine. Since 2014, the team of about 14 employees has done web development, custom software development, and mobile app development. They primarily work with small–midmarket clients.

Lunarbyte.io is a development agency based in Seattle. Since 2019, the 3-person team has built websites, custom software, and mobile apps for predominantly small businesses.  

Headquartered in , CODEMELT is a PR company. They offer public relations, marketing strategy, social media marketing, search engine optimization, and more and were launched in 2021.

ActiveLogic Labs is a premium custom software development agency with offices in Kansas City, Miami, and Phoenix. We locally staff our offices with Sr. Software Developers and we strive to deliver exceptional digital products through active communication and collaboration with our clients. With this approach, we eliminate the risk and concern that typically comes with offshore development.

Beyondi is an app development firm founded in 2014. The small team specializes in mobile app development, web development, blockchain, content marketing, and more. The firm is located in Osijek, Croatia.