Top 90 C# Developers in New York City

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Top 90 C# Developers in New York City

The Best of December 2024

Looking for a top C Sharp software development company in New York City?

The programming language C Sharp (C#), is general-purpose and used for web and mobile apps. It has a number of advantages: It's object-oriented, has automatic garbage collection, functions across platforms, has backward compatibility, and integrates well with other platforms and services. 

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List of the Best New York City C Sharp (C#) Software Development Companies

  • 1
    (36 Reviews) 4.8
    • Timeliness

      4.6
    • Service Excellence

      4.7
    • Value

      4.3
    • Would Recommend

      5.0
    • $50,000+
    • 1,000 - 9,999 employees
    • New York, NY

    Sigma Software Group is a software development & consulting partner with headquarters in Lviv, Ukraine, and offices in the USA, Sweden, UK, Canada, Israel, Singapore, UAE, Poland, Latin America, and Portugal. Founded in 2002, the company accounts for over 2000 employees, helping clients from startups to Fortune 500 brands with software product and custom solutions delivery, digital transformation, Big Data, AI/ML, AR/VR, IoT, web & app development services.

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    Clients

    • Volvo

    Industries

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  • 2
    (36 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.7
    • Would Recommend

      4.9
    • $50,000+
    • 1,000 - 9,999 employees
    • New York, NY

    Based in Vienna, VA, 10Pearls designs and maintains apps for various companies. The company and its nearly 350 employees have experience in cybersecurity, product development, and UX/UI design.

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    Clients

    • HughesNet

    Industries

  • 3
    (39 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.7
    • Would Recommend

      4.9
    • $25,000+
    • 50 - 249 employees
    • New York, NY
    Launched in 2002, DOOR3 is an UX design agency. The company offers UX/UI Design, Custom Software Development, and Web Development and has a midsize team.
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    Clients

    • Achievement Network

    Industries

  • 4
    (26 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.5
    • Would Recommend

      4.9
    • $100,000+
    • 1,000 - 9,999 employees
    • New York, NY

    DataArt is a software engineering firm in München, Germany; Zug, Switzerland; London, England; and New York. Founded in 1997, they have about 3,000 employees that serve mainly midmarket and small-business clients in the financial, healthcare, and IT sectors. Services include custom software development, enterprise app modernization, and UI/UX design.

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    Clients

    • Ocado Technology
    • Metro Markets
    • Nasdaq
    • Invesco

    Industries

  • 5
    (67 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.7
    • Value

      4.6
    • Would Recommend

      4.9
    • $50,000+
    • 1,000 - 9,999 employees
    • Rochelle Park, NJ

    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.

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    Clients

    • IQVIA

    Industries

  • 6
    (96 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.9
    • Value

      4.5
    • Would Recommend

      4.9
    • $50,000+
    • 50 - 249 employees
    • New York, NY

    Saritasa is a full-source software development firm based in Newport Beach, Calif. With additional offices in New York City, Russia, and Vietnam. They were founded in 2005 and employ a team of about 90 who provide custom software, web, mobile, IoT, and AR/VR development for mostly mid-sized businesses.

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    Clients

    • iHeartMedia

    Industries

  • 7
    (3 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.7
    • Would Recommend

      5.0
    • $10,000+
    • 50 - 249 employees
    • New York, NY

    ModLogix, founded in 2014, helps their clients transition legacy applications to new platforms. This involves services such as cloud migration, API integrations, and web application upgrades. Primarily, their team of fewer than 10 employees offers enterprise app modernization services for midmarket clients. The team is based in New York, New York.

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    Industries

  • 8
    (15 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      5.0
    • Would Recommend

      4.9
    • $25,000+
    • 50 - 249 employees
    • Brooklyn, NY

    Devtorium is a software development company founded in 2017 in Brooklyn, N.Y., with over 200 members. They are experts in custom software development, UX/UI design, and MVP development for small and mid-market agencies alike. Services include software product development, data analytics, cloud development and migration, and AI development.

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    Clients

    • ISDA Inc.

    Industries

  • 9
    (28 Reviews) 4.9
    • Timeliness

      4.7
    • Service Excellence

      4.9
    • Value

      4.7
    • Would Recommend

      5.0
    • $25,000+
    • 50 - 249 employees
    • New York, NY

    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. 

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    Clients

    • KÜHL

    Industries

  • 10
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $100,000+
    • 250 - 999 employees
    • New York, NY

    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.

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    Clients

    • AT&T

    Industries

  • 11
    (46 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

      4.9
    • $5,000+
    • 50 - 249 employees
    • New York, NY

    Bit by Bit Computer Consultants is a 54-person IT firm founded in 1987. With headquarters in New York, they offer IT managed services, cybersecurity, custom software development, and other IT consulting & SI. They serve small and midmarket businesses in the financial, legal, and nonprofit industries.  

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    Industries

  • 12
    (18 Reviews) 4.8
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.3
    • Would Recommend

      4.9
    • $50,000+
    • 250 - 999 employees
    • New York, NY

    Method is a strategic design firm based in New York with offices in London; Denver; Atlanta; Charlotte, N.C.; and San Jose, Calif. The firm, founded in 1999, has more than 130 employees and provides UX/UI design, custom software development, digital strategy, web development, and branding services. Method serves enterprise and mid-market companies in the financial services, IT, arts & entertainment, customer products & services, medical, and e-commerce industries.

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    Industries

  • 13
    (3 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • New York, NY

    New Peak Solutions is a SharePoint consulting and software solutions company with offices in New York. Founded in 2003, they have two employees specializing in custom software and mobile app development and IT consulting for various clients throughout the United States. Their expertise covers SharePoint, Office 365, ERP and CRM integration, and mobile, custom, and cloud development.

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    Clients

    • Marshall IP

    Industries

  • 14
    (57 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.8
    • Would Recommend

      4.8
    • $10,000+
    • 250 - 999 employees
    • New York, NY

    A tech frontrunner since 1989, Zco is a full-stack app development firm offering web, mobile, and animation services. Headquartered in Nashua, New Hampshire with a Boston office, the 200+ specialists comprise a powerhouse team with outstanding and varied proficiencies.

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    Clients

    • Golflogix

    Industries

  • 15
    (13 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $10,000+
    • 50 - 249 employees
    • New York, NY
    7L International 🇺🇸 🇬🇧 🇪🇺 is a custom software development company founded in 2007. They are in New York, New York; London, England and Athina, Greece and have a midsize team. The company offers Custom Software Development, Mobile App Development, and Enterprise App Modernization.
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    Clients

    • NYSE
    • United Nations
    • CareLink360
    • TikTok

    Industries

  • 16
    (34 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      5.0
    • $5,000+
    • 50 - 249 employees
    • Great Neck Plaza, NY

    SapientPro is a software development offshoring firm based in Chernivtsi, Ukraine with a second location in the Netherlands. Founded in 2010, they have about 20 employees that service mainly enterprise clients. Their services include web design and development, e-commerce development, mobile apps, custom software, CRM consulting, and software integration.

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    Clients

    • Contentoo

    Industries

  • 17
    (10 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.8
    • Would Recommend

      5.0
    • $100,000+
    • 1,000 - 9,999 employees
    • New York, NY

    Headquartered in San Francisco, Wizeline is a global technology services provider with delivery centers in Mexico, Colombia, Spain, and Vietnam. Since its founding in 2014, Wizeline has grown to over 1,300 employees specializing in product/platform development, UX design, data & AI, cloud & DevOps, and product evolution services.

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    Clients

    • Fitz Frames
  • 18
    (17 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      5.0
    • $25,000+
    • 50 - 249 employees
    • New York, NY

    Jahnel Group, Inc. is an application development company based in Schenectady, N.Y., with offices in New York and Plano, Texas. The company, founded in 2012, has around 90 employees and provides custom software development, web development, mobile app development, and UX/UI design services. Jahnel Group, Inc. serves midmarket and other-sized companies and institutions in the business services, financial services, gaming, education, manufacturing, medical, and e-commerce industries.

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    Clients

    • Atos

    Industries

  • 19
    (2 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.5
    • Would Recommend

      5.0
    • $50,000+
    • 250 - 999 employees
    • New York, NY

    Truelogic Software is a software development firm based in New York, New York, that was established in 2003. Their team of 75 employees offers web development, custom software development, mobile app development, AI, blockchain technologies, and more.

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    Clients

    • Visa

    Industries

  • 20
    (34 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $10,000+
    • 50 - 249 employees
    • New York, NY

    Brights is a digital production agency that's headquartered in Kyiv, Ukraine; they also have an office in Warsaw, Poland. Founded in 2011, Brights has about 43 employees that do web development, mobile app development, and UX/UI design. They serve a range of clients, notably midmarket clients and businesses in the IT, advertising, and e-commerce sectors.  

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    Clients

    • Philip Morris
    • Suzuki
    • Microsoft
    • Danone

    Industries

  • 21
    (39 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.7
    • Would Recommend

      4.9
    • $10,000+
    • 50 - 249 employees
    • New York, NY

    JetSoftPro is a software development agency that was founded in 2003. Based in New York, their team of 48 specializes in custom software development, IT strategy consulting, and product design. Their client base is mainly composed of midmarket companies.

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    Clients

    • CreatorIQ

    Industries

  • 22
    (23 Reviews) 4.7
    • Timeliness

      4.5
    • Service Excellence

      4.7
    • Value

      4.5
    • Would Recommend

      4.8
    • $25,000+
    • 250 - 999 employees
    • New York, NY

    Robosoft Technologies is a full-service digital experiences agency offering digital advisory, design strategy, UX/UI services, application development & maintenance and expertise in emerging technologies such as AR, VR, blockchain, chatbots and more. Established in 1996 and headquartered in San Francisco, the team of 500+ has offices in Mumbai, Udupi, Bengaluru, Chicago, and New York.

     

     


     

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    Clients

    • Warner Bros. Discovery

    Industries

  • 23
    (5 Reviews) 5.0
    • Timeliness

      4.8
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $5,000+
    • 10 - 49 employees
    • New York, NY

    NIFTIT is a design and development agency based in New York, with an office in Ho Chi Minh City, Vietnam. The agency, founded in 2013, has a team of around 20 that provides, among others, ECM consulting & SI, IT managed services, and applications management & support services to various organizations, institutions, and companies. 

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    Clients

    • The New York Metropolitan Transportation Council

    Industries

  • 24
    (14 Reviews) 4.6
    • Timeliness

      4.5
    • Service Excellence

      4.5
    • Value

      4.6
    • Would Recommend

      4.7
    • $25,000+
    • 50 - 249 employees
    • New York, NY

    Incepteo is an innovation-led ‘IDEA TO MARKET’ technology services firm providing 360-degree offerings starting from software development, hosting, support, and digital marketing. Our mantra is to deliver growth outcomes with entrepreneurial vision, effective user experience, and innovation. We bring start-up know-how, corporate maturity, and strategic techno- entrepreneurial experience on the table from inception to growth phases.

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    Clients

    • Geodis

    Industries

  • 25
    (8 Reviews) 4.8
    • Timeliness

      4.4
    • Service Excellence

      4.4
    • Value

      4.4
    • Would Recommend

      4.4
    • $100,000+
    • 50 - 249 employees
    • New York, NY

    Unique Software Development LLC is an IT services and software development firm that provides Big Data consulting, web development,and mobile app development to their mid-market, small business, and enterprise clients in the health care, business services, and consumer products and services industries. Based in Dallas, TX they have offices in Athens, Greece and Karachi with a total of 200 employees.

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    Clients

    • MODE Transportation

    Industries

  • 26
    (9 Reviews) 4.8
    • Timeliness

      4.6
    • Service Excellence

      4.7
    • Value

      4.7
    • Would Recommend

      4.9
    • $25,000+
    • 50 - 249 employees
    • New York, NY

    Ergonized is a CRM consulting company, based in Lviv, Ukraine. Founded in 20007, their team of about 30 serves clients in the financial services, healthcare, and marketing fields. Services include CRM, CMS, and platform development.

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    Clients

    • ExactData

    Industries

  • 27
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $50,000+
    • 10 - 49 employees
    • New York, NY
    Inventix Labs is a cybersecurity company launched in 2018. Their small team is based in New York, New York and Eagan, Minnesota and specializes in cybersecurity, custom software development, web development, and mobile app development.
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    Industries

  • 28
    (20 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      4.9
    • $10,000+
    • 50 - 249 employees
    • New York, NY
    Based in New York, New York; Ciudad de México, Mexico and Buenos Aires, Argentina, NewCombin is a midsize IT staff augmentation company. Founded in 2017, the team provides IT staff augmentation, Custom Software Development, Web Development, and Artificial Intelligence.
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    Clients

    • Verizon Media
  • 29
    (7 Reviews) 4.8
    • Timeliness

      4.9
    • Service Excellence

      4.8
    • Value

      4.6
    • Would Recommend

      4.9
    • $10,000+
    • 50 - 249 employees
    • New York, NY

    FusionHit is a San Jose, Costa Rica-based software development company with offices in Los Angeles. Their team of fewer than 250 employees offers custom software, mobile app, e-commerce, and web development services. They were founded in 2008.

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    Clients

    • Alliance Partner Group

    Industries

  • 30
    (0 Reviews)

    Not yet reviewed.

    • $25,000+
    • 10 - 49 employees
    • New York, NY
    Software development firm abac was launched in 2016. The company offers Custom Software Development and Mobile App Development, and is small.
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    Industries

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