Top 100 C# Developers
The Best of December 2025Looking for a top C# programmer?
C Sharp, or C#, is a programming language created by Microsoft. It's general-purpose and addresses static typing, object- and component-oriented programming approaches. It uses the .NET framework and is best for developing web apps, desktop apps, mobile apps, and games.
That's why we've created this list of the best C# developers for you to review. Read through company descriptions, former clients, and notable projects to find the best fit for your business.
List of the Best C# Programmers
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31$5,000+50 - 249 employeesLondon, EnglandDigis, a Fiverr company (NYSE: FVRR) is a custom software development company and web development firm. Launched in 2015, the team offers Custom Software Development and Web Development. Their midsize firm is in London, England; New York, New York; București, Romania and L'viv, Ukraine.Read More
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Blablacar Hubspot PwC HumaIndustries
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32$25,000+1,000 - 9,999 employeesKraków, PolandRead More
Ailleron S.A., a digital strategy company, is in Kraków, Poland. The midsize firm was established in 2014. Their team focuses on digital strategy, enterprise app modernization, mobile app development, custom software development, and more.
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33$10,000+50 - 249 employeesLondon, EnglandInfluential Software is a London, England-based software development firm. The midsize team focuses on Custom Software Development, Web Development, BI & big data consulting & SI, IT managed services, and more and was founded in 1993.Read More
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DeloitteIndustries
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34$25,000+10 - 49 employeesLanghorne, PARead More
Superscript Systems Ltd is a small software development firm located in Langhorne, Pennsylvania and Sheridan, Wyoming. They focus on Custom Software Development, Artificial Intelligence, and Blockchain and were launched in 2013.
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35$10,000+250 - 999 employeesSofia, BulgariaRead More
Accedia is a Sofia, Bulgaria-based software development firm. They specialize in Custom Software Development, Web Development, Artificial Intelligence, Cybersecurity, and more and were launched in 2012.
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Alexander ForbesIndustries
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36$25,000+250 - 999 employeesSão Paulo, BrazilSoftware development firm Luby Software was established in 2002. The agency specializes in Custom Software Development, Mobile App Development, and Artificial Intelligence and has a midsize team.Read More
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37$25,000+50 - 249 employeesL'viv, UkraineReenbit, a data analytics company, is based in L'viv, Ukraine; Warszawa, Poland and Markham, Canada. The midsize team focuses on BI & big data consulting & SI, Custom Software Development, Enterprise App Modernization, cloud consulting & SI, and more and was founded in 2018.Read More
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CloudBooking Glowi EClou DataloopIndustries
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38$50,000+1,000 - 9,999 employeesChişinău, MoldovaRead More
Pentalog is a large Brașov, Romania-based custom software development company. Established in 1993, the team offers custom software development, IT staff augmentation, e-commerce development, and web development.
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AdidasIndustries
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39$5,000+10 - 49 employeesSurrey, CanadaGravit-e Technologies is a software development firm. Headquartered in Surrey, Canada, their small team offers Custom Software Development, cloud consulting & SI, Web Development, and Application Management & Support. The agency was launched in 2005.Read More
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40$250,000+250 - 999 employeesBroomfield, COLocated in Broomfield, Colorado; Medellín, Colombia; San José, Costa Rica and Guadalajara, Mexico, Gorilla Logic is a custom software development company. The midsize agency was founded in 2002. Their services include Custom Software Development, cloud consulting & SI, Web Development, Mobile App Development, and more.Read More
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Arrow ElectronicsIndustries
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41$50,000+250 - 999 employeesSofia, BulgariaRead More
Founded in 2007, Dreamix is a midsize custom software development company headquartered in Sofia, Bulgaria and Cirencester, England. Their services include Custom Software Development, IT staff augmentation, Web Development, IT strategy consulting, and more.
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VistaJetIndustries
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42$10,000+50 - 249 employeesWarszawa, PolandRead More
Lightpoint Global is a development company with 41 employees that is based in Minsk, Belarus. Since being founded in 2011, they have focused on web development, big data consulting, and cloud consulting. They work with both small and mid market businesses in mainly media, education, and financial services.
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LufthansaIndustries
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43$5,000+250 - 999 employeesNew York, NYRead More
Founded in 2020, UplineSoft is a custom software development firm. Their midsize team is in Charlotte, North Carolina; New York, New York; Monroe, North Carolina and Charlotte, North Carolina and offers Custom Software Development and IT staff augmentation.
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44Undisclosed250 - 999 employeesAustin, TXRead More
Based in San Francisco, California, Gigster is a software development company. Established in 2014, the small team provides custom software development, web development, Artificial Intelligence, and other application development.
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Google Microsoft Pepsico IBMIndustries
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45$50,000+50 - 249 employeesL'viv, UkraineRead More
Unicrew is a software development firm located in L'viv, Ukraine; Ormond Beach, Florida and London, England. The midsize company was founded in 2012. Their team focuses on Custom Software Development, Web Development, IT staff augmentation, and Mobile App Development.
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Jack Cooper Transport Bigfood Group Booked It Open Room Inc.Industries
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46$25,000+50 - 249 employeesLehi, UTTech9 is a midsize custom software development firm. The Lehi, Utah-based company was launched in 2015. Their team offers Custom Software Development, UX/UI Design, Mobile App Development, and Enterprise App Modernization.Read More
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Larry H. Miller GroupIndustries
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47$50,000+50 - 249 employeesGliwice, PolandBrainhub is a website development company based in Gliwice, Poland; Miami, Florida; London, England and Stockholm, Sweden. Launched in 2015, the midsize team provides Web Development, cloud consulting & SI, and Custom Software Development.Read More
Clients
National Geographic Star Stable GoKong Credit SuisseIndustries
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48$25,000+50 - 249 employeesUtrecht, NetherlandsFounded in 2005, Yameo is a custom software development firm. The midsize team offers Custom Software Development, Web Development, Mobile App Development, and IT strategy consulting. The firm is in Utrecht, Netherlands and Gdańsk, Poland.Read More
Clients
DEKRA Ergo Hestia Tellma GmbH National Health Insurance Scheme GhanaIndustries
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49$25,000+250 - 999 employeesPleasanton, CAAltoros is a midsize Blockchain company. Founded in 2001, the firm is based in Pleasanton, California; Buenos Aires, Argentina; Oslo, Norway and Helsinki, Finland. Their team offers Blockchain, Custom Software Development, Web Development, Enterprise App Modernization, and more.Read More
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AllstateIndustries
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50$10,000+50 - 249 employeesSofia, BulgariaBased in Sofia, Bulgaria and London, England, BGO Software - The Digital Health Lab is a custom software development firm. The midsize company was founded in 2008. Their services include Custom Software Development, IT strategy consulting, IT managed services, Mobile App Development, and more.Read More
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NHS UK - Department of Health, Roche, LabCorp, IQVIA, Curaden, Ampersand Health, BodySpec and many other HealthTech companies.Industries
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51$25,000+10 - 49 employeesEl Segundo, CARead More
Founded in 2001, Thinklogic is a development firm. Their small team is based in El Segundo, Calif. They focus on custom software, web, and mobile app development.
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Johnson & JohnsonIndustries
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52$50,000+50 - 249 employeesNewport Beach, CASaritasa, a software development company, is headquartered in Newport Beach, California; New York, New York; Chicago, Illinois and Manhattan Beach, California. The midsize company was established in 2005. Their team provides Custom Software Development, AR/VR development, Web Development, Mobile App Development, and more.Read More
Clients
Mitsubishi Makita ASCO Power Technologies WinegardIndustries
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53$5,000+250 - 999 employeesMcKinney, TXRead More
ScienceSoft USA Corporation, doing business as ScienceSoft, is an IT consulting and software development company with 36 years of experience. We deliver secure healthcare, financial, and cross-industry software backed by AI expertise.
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Ford Motor CompanyIndustries
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54$25,000+250 - 999 employeesWarszawa, PolandAltkom Software is a Warszawa, Poland-based custom software development firm. They specialize in Custom Software Development, Mobile App Development, Enterprise App Modernization, and cloud consulting & SI and were launched in 2000.Read More
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BNP ParibasIndustries
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55Undisclosed250 - 999 employeesMcKinney, TXRead More
Netrio (formerly PCA Technology Group) is an IT managed services company. Established in 1989, the firm is in McKinney, Texas; Buffalo, New York and Golden Valley, Minnesota. The midsize team focuses on IT managed services, Cybersecurity, and Custom Software Development.
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56$25,000+250 - 999 employeesPoznań, PolandSTX Next is an AI firm established in 2005. The company focuses on Artificial Intelligence, BI & big data consulting & SI, Custom Software Development, Web Development, and more and has a midsize team.Read More
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Mastercard Canon Hogarth ManIndustries
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57$5,000+250 - 999 employeesHanoi, VietnamRead More
Newwave Solutions, a software development firm, is located in Hanoi, Vietnam; Bunkyo City, Japan; Texas City, Oregon and London, England. The midsize team provides Custom Software Development, other IT consulting and SI, Mobile App Development, Blockchain, and more. The agency was established in 2011.
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UNDPIndustries
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58$5,000+250 - 999 employeesNew Town, IndiaCapital Numbers is a software development company established in 2012. Their midsize team is located in New Town, India and San Francisco, California. The firm provides Custom Software Development, UX/UI Design, IT staff augmentation, Web Development, and more.Read More
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Consumer ReportsIndustries
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59$1,000+1,000 - 9,999 employeesLondon, EnglandRead More
Dotsquares is an IT managed services company in London, England; Mount Waverley, Australia; Albourne, England and Jaipur, India. The firm specializes in IT managed services, Web Development, Custom Software Development, Mobile App Development, and more and has a large team.The firm was founded in 2002.
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EricssonIndustries
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60$25,000+50 - 249 employeesMinneapolis, MNEmergent Software is a software development firm established in 2015. Their midsize team is located in Minneapolis, Minnesota. The company provides Custom Software Development, cloud consulting & SI, Web Development, IT managed services, and more.Read More
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The Tile ShopIndustries
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