Top 100 C# Developers

Armada Labs is a software development company based in Estero, FL. Founded in 2002, they have about 70 employees that serve all business sizes in the financial industry. They specialize in custom software development, application management and support, cloud consulting services, IT management services, and mobile app development.

Atom CTO is a software company based in London with more than 10 experts. Founded in 2017, they offer IT strategy consulting, application management and support, and business consulting solutions for both small and medium-sized companies.

Ingsoftware is a full-cycle software development company from Southern Europe with representatives in Austria, Netherlands, United States, and Zimbabwe. Founded in 2009, they are now over 100 people strong, and provide product development services: discovery & consulting; web and mobile development, UI/UX design, and support & maintenance. Ingsoftware works with enterprise organizations and startups from fintech, precious metals, IoT & wearables, and automotive industries.

Sigli is a software development company in Belgium and Lithuania. Founded in 2015, it has about 100 employees and serves clients in various sectors, including healthcare, finance, retail, and technology. Services include digital product development, digital transformation, and end-to-end development solutions.

Emergent Software is a Minneapolis-based technology solution provider that was founded in 2015. Its notable proficiencies have an emphasis on custom software development, mobile app development, and web development. The team features 10-15 full-stack developers, SQL Server DBA’s, graphic & UI designers, and project managers. Additional areas of expertise include SharePoint, Salesforce, and SQL Server consulting and database administration.

Codaxy is a development firm based in Banja Luka, Bosnia and Herzegovina. Founded in 2016, their team of around 20 employees provides custom software development and web development and design services.

Capicua is a full-cycle digital agency based in Montevideo, Uruguay, and founded in 2010. Their team of 23 employees specializes in custom software development, UX/UI design, and mobile app development. 

Polytech Software is an IT outsourcing company with about 150 team members in Kyiv, Ukraine, and the United States. Their services include IT managed services, application testing, and CRM Consulting. Founded in 2006, they work primarily with small and midmarket businesses in e-commerce, education, and IT industries.

Maxiom Technology is a professional software development and consulting company based in Ashburn, Va. that works with primarily midmarket businesses. Established in 2002, the company focuses on custom software development, UX/UI design, and enterprise app modernization. Maxiom Technology has 9 employees. 

Eureka is a custom software and technology engineering firm based in Austin, Texas. Founded in 1986, Eureka's has about 20 employees that primarily focus on midmarket businesses in the telecommunications sector. Services include custom software, mobile app development, and UX/UI design.

Frogslayer is a software development company founded in 2005 and located in College Station, Texas. They have a team of about 50 individuals who offer custom software, web, and mobile app development services. Their clientele comprises midmarket businesses in the financial services, legal, education, and healthcare and medical industries.

Alhena Technologies is an IoT development company in Alpharetta, Georgia. The company specializes in IoT development and has a midsize team.The company was founded in 2020.

Finoit Technologies is a 50+ web and mobile app development firm based in Noida, India. Since 2010, they’ve brought business solutions to over 250 customers from almost every industry.

Digiteum is a custom software development and IT consulting company based in Gdańsk, Poland. A cross-functional team of designers, software architects, engineers, and managers, Digiteum designs and develops digital systems across web, mobile and IoT. 

Codebay is a software development firm founded in 2014 and based in Corona, Calif. With more than 35 members, they are experts in custom software development, app development services, web application development services, application management and leading providers of solutions for both small and mid-market firms.

Based in Vilnius, Lithuania and Warszawa, Poland, RichBrains is a software development company. The agency provides custom software development, mobile app development, and web development and is midsize.The agency was founded in 2006.

Ideo Agency is a full-service software house based in Rzeszów, Poland with offices in Warsaw, Poland, and Drammen, Norway. Since its start in 1999, their team of more than 50 has provided custom software development, web development, e-commerce development, and digital design and marketing services.

Founded in 2007, Theorem is a software development firm. The midsize team specializes in custom software development, ux/ui design, IoT development, IT strategy consulting, and more. The company is based in Los Angeles, California; Santa Monica, California; New York, New York and San Francisco, California.

Affirma Consulting is a full-service technology consulting agency. Founded in 2001, Affirma Consulting is based in Seattle, WA with additional offices in Los Angeles, CA, India, Ireland, and Reno, NV. The team of 200+ focuses on consulting for Business Intelligence (BI), Sharepoint, Salesforce, and customer relationship management (CRM) software, they also offer design, marketing, and mobile and web development.

Acropolium is a Ukraine-based web software development firm established in 2003. Acropolium's team of around 40 offers web development and custom software development services.

Fundacja To Get There is an AR/VR development company. Established in 2020, the small agency is based in Gdynia, Poland. Their team provides AR/VR development, mobile app development, custom software development, ux/ui design, and more.

Danubius IT Solutions is a custom software development firm launched in 2010. Their midsize team is headquartered in Budapest, Hungary. The firm specializes in custom software development, web development, mobile app development, IoT development, and more.

Lember is a small custom software development firm. Located in Kyiv, Ukraine; New York, New York; Edgecliff, Australia and Stockholm, Sweden, the company was founded in 2013. Their team focuses on Custom Software Development, UX/UI Design, Web Development, Mobile App Development, and more.

Jhavtech Studios is an app development firm. Their small team is headquartered in Brighton, Australia and provides Mobile App Development, Custom Software Development, Web Development, UX/UI Design, and more. The company was founded in 2011.

Innowise Group is a custom software development company based in Warsaw, Poland. With more than 1000 specialists on board and 600 projects completed, they use cutting-edge technologies to transform their client's businesses. They are experts in designing and developing tech solutions that will help your company enhance its processes and increase customer satisfaction, thanks to their 15+ years of experience and extensive expertise. They create custom software to fit your unique requirements in terms of timeline, budget, and use case. They handle every step of the development process, from product concept and development to testing, deployment, and support. In addition to building custom software, we also excel in UX/UI design, IT strategy consulting, and staff augmentation.

Codestore Technologies Pvt Ltd is a Noida, India-based software development company. The midsize agency was founded in 2016. Their services include custom software development, mobile app development, and web development.

Abhiwan Technology is a small Delhi, India-based AR/VR development company. They focus on AR/VR development, custom software development, mobile app development, wearable app development, and more and were established in 2018.

Brightgrove is a software development company based in Kharkov, Ukraine, with an additional office in Minsk, Belarus. Founded in 2000, the team includes over 220 employees. Brightgrove provides custom software development, e-commerce development, and consulting services for BI/SI and big data.

Software development company Profinit was founded in 1998. Their midsize team is based in Prague, Czech Republic and focuses on custom software development, BI & big data consulting & SI, web development, application management & support, and more.

InApp was founded in 2000 and currently has 300+ employees. Headquartered in Trivandrum, India, their services include web development, custom software development, and mobile app development. They also have another location in Palo Alto, Calif.