Top 100 C# Developers

Founded in 1998 in Denver, Itransition now has multiple offices in the U.S., U.K., E.U., and locations in eastern Europe housing more than 2,200 employees. They help power enterprises and SMBs globally with their digital solutions in the areas of business process automation, AI, data analytics, customer experience, and others. 

Located in Vancouver, Canada, Gravit-e Technologies is a software development firm. The small team provides custom software development and web development and was launched in 2005.

Facile Technolab Pvt Ltd is a software development company headquartered in Ahmedabad, India. They have about 5 employees. Since 2016, they have provided IT staff augmentation and IT strategy consulting services to predominately midmarket and small business clients. 

Bits Orchestra, founded in 2015, is a web development agency headquartered in Lviv, Ukraine. Their team of 9 people specializes in web development, but they also provide custom software development, e-commerce development, and application management & support. They work with mostly mid-market businesses; they also work with small and enterprise businesses. The businesses they work with are mainly in the advertising & marketing, manufacturing, and utilities industries. 
 

Perficient Latin America (formerly PSL) is a software engineering company that was founded in 1986. With locations in New York; Medellín, Colombia; and Mexico City, Perficient Latin America has more than 650 employees. They specialize in custom software development, big data consulting, cloud consulting, system integration, and web development. Perficient Latin America supports mid-sized and enterprise clients across a range of industries.

New Line Technologies is a software company of 86 employees, founded in 2009. They are headquartered in Kharkiv, Ukraine, with secondary locations in Plovdiv, Bulgaria, and Atlanta. They provide mobile app development, web development, and custom software development. They serve small and midmarket businesses in the arts, business, financial, media, and education industries.

Avenga is a global IT and digital transformation consultancy with over 20 years of experience for verticals such as pharma & life science, insurance and finance. Avenga has more than 2500 professionals with offices in Germany, Poland, Ukraine, the U.S., and Malaysia. Services include digital strategy & CX, custom software development, staffing, as well as Salesforce consulting, big data, and cloud solutions.

Located in Portland, Ore., AltSource Software is a technology consultancy and development house with a team of over 150. Since 2004, they've specialized in custom software development as well as enterprise app modernization, working primarily with midmarket businesses and enterprises.

Founded in 2002, Warp Development is a well-established and seasoned software development consultancy with a dedicated senior-centred team of over 100 experienced professionals. Over the last two decades, Warp Development has become a prominent player in custom software development and digital commerce, with offices in Pretoria and Somerset West. We offer custom software development, app development, enterprise e-commerce and CMS solutions, and UX/UI design services. We have immense experience working with various industries, technologies, and platforms and continue to build upon our values of trust, transparency, excellence, communication, and innovation. Our primary focus is developing bespoke software and offering solutions that do not follow a one-size-fits-all approach.

Yameo is a software development agency headquartered in Rotterdam, Netherlands with a development center in Gdansk, Poland. Founded in 2005, they have 30 employees, and provide custom software development, web development, mobile apps, and IT strategy consulting.

Altoros is a software development company in Warsaw, Poland. Founded in 2001, Altoros' team of over 350 employees specializes in cloud consulting, BI & big data consulting, blockchain and artificial intelligence services. 

Headquartered in London, Opinov8 Technology Services is a technology solutions company that was founded in 2016. With offices in Ukraine and Spain, the team of 88 works with mid-market and small businesses in the financial services, advertising, marketing, gambling, hospitality, IT, and media industries. Opinov8 specializes in custom software development, enterprise app modernization, big data consulting, and clould consulting for clients.

Based in Fort Lauderdale , Florida; Buenos Aires, Argentina; Cochabamba, Bolivia and Nuevo Cuscatlan, El Salvador, WillDom is a web development firm. The midsize team specializes in web development, IT staff augmentation, mobile app development, and Artificial Intelligence. The agency was launched in 2010.

DeepInspire is a web development agency based in Lviv, Ukraine with a team of 39 professionals. Since 2000, the company has provided small startups and large corporations alike with their UX/UI design, web design, and web development needs. They work in industries such as education, real estate, and business services.

August Consultancy Services, LLC is a midsize cybersecurity and software development company founded in 2003. Their team provides cybersecurity and custom software development. The company is based in Houston, Texas.

Founded in 1995, MVM Ingeniería de Software is a software development firm. The firm focuses on custom software development and business consulting and has a midsize team. The firm is based in Medellin, Colombia.

K2 Digital Products is a digital firm based in Warsaw, Poland with more than 50 employees. They have provided UX/UI design, e-commerce development, and product design solutions to clients ranging from small companies to large firms.

Gorilla Logic provides nearshore Agile teams to Fortune 500 and SMB companies, bringing unparalleled expertise in the delivery of full-stack web, mobile, and enterprise applications. Founded in 2002 and headquartered in Broomfield, Colo., they have over 500 employees and development centers in San José, Costa Rica and Medellín, Colombia. 
 

Artelogic is a modern software development company headquartered in Lviv, Ukraine that specializes in web and custom software development. Founded in 2012, the company works with small businesses, enterprises, and midmarket companies across industries such as healthcare and medical, automotive, information technology, transportation, and financial services. Artelogic has an additional office in Ormond Beach, Fla. and is comprised of 43 employees. 

Founded in 2012, GOTOMA is a software development firm. Their midsize team is located in Nowy Sącz, Poland and specializes in custom software development, e-commerce development, web development, mobile app development, and more.

MAS Global Consulting is a software development consulting firm that was founded in 2013. Their 154-person team also is headquartered in Palm Harbor, Fla. and has offices in Medellin, Colombia. They offer custom software development, application testing, and enterprise app modernization to predominantly enterprises in manufacturing, financial services, and health care.

Inflecto Systems, a software development company, is located in SHEFFIELD, United Kingdom. The firm provides custom software development, mobile app development, and business consulting and has a small team.The firm was founded in 2006.

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.

EXIS is a software, IT consulting, and web development company based in Athens, Greece. Founded in 2001, this company has 30 employees. Services provided by EXIS include web development, CRM consulting, and custom software development for business of various sizes.

INNOVANT is a Westwood, Massachusetts-based software development company. The midsize team provides custom software development, IT staff augmentation, ux/ui design, web development, and more and was established in 2011.

Founded in 2000, AgileEngine is a software development firm based in McLean, Va with offices in Kiev, Washington, DC, and Beunos Aires. They have more than 200 employees and offer custom software development, app development, and UX/UI design for midmarket clients. 

Envision IT, a custom software development firm, is headquartered in Oakleigh South, Australia. The small team focuses on custom software development, application management & support, enterprise app modernization, other application development, and more and was founded in 2002.

Vimanet is a software development company located in Krakow, Poland. Founded in 2007, its team of about 20 specializes in custom software development and web development.

Azumo is a San Francisco based software development services company. They have additional offices in McKinney, Texas and Rosario, Argentina. They were founded in 2016, and specialize in custom software development, mobile app development, and the use of AI.

Leobit is a web and mobile application development company based in Lviv, Ukraine.  Founded in 2014, their team of 114 specializes in IT staff augmentation beyond their development capabilities. They work with mid market and enterprise companies in the information technology, hospitality, health care, and e-commerce industries.