Top 80 C# Developers in New York City

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Top 80 C# Developers in New York City

The Best of March 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
    (32 Reviews) 4.9
    • Timeliness

      4.6
    • Service Excellence

      4.9
    • 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
    • Scania AB
    • KnorrBremse
    • AstraZeneca

    Industries

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  • 2
    (22 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.7
    • Would Recommend

      4.9
    • $10,000+
    • 250 - 999 employees
    • New York, NY

    Vega IT is a Software company in Serbia. Founded in 2008, they have 750+ engineers with experience in FinTech, HealthTech, PharmaTech, Transportation & logistics, FoodTech, and Enterprise blockchain. Their services include Custom software, Mobile App Development, Application Testing, E-commerce and Web development.

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    Industries

  • 3
    (67 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • 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
    • GSK
    • QPharma
    • Roche

    Industries

  • 4
    (33 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.7
    • Would Recommend

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

    DOOR3 is a software development company headquartered in New York, NY. Founded in 2002, DOOR3 has grown to a team of about 60 employees that serves mostly enterprise and mid-market business. They provide software, web, and mobile app development, UX/UI design, and enterprise app modernization.

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    Clients

    • Achievement Network
    • AIG
    • Alvin Ailey American Dance Theater
    • American Museum of Natural History

    Industries

  • 5
    (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

  • 6
    (55 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
    • Volkswagen
    • Microsoft
    • Harvard University

    Industries

  • 7
    (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
    • Starbucks
    • Caterpillar
    • American Express

    Industries

  • 8
    (22 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $25,000+
    • 10 - 49 employees
    • New York, NY

    The Smyth Group is a digital agency founded in San Diego in 2005. Their team of more than 10 specializes in UX/UI design, custom software development, and web development solutions for mid-market and enterprise-level clients.

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    Clients

    • Columbia Sportswear
    • Volkswagen of America
    • Integrity Billing
    • Alaris

    Industries

  • 9
    (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

    • The Carlyle Group
    • Nasdaq
    • Apax Partners
    • Monex

    Industries

  • 10
    (18 Reviews) 4.8
    • Timeliness

      4.9
    • Service Excellence

      4.8
    • Value

      4.3
    • Would Recommend

      4.9
    • $100,000+
    • 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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    Clients

    • Ubisoft
    • Manchester City
    • Evry
    • Clear

    Industries

  • 11
    (3 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • 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
    • Carnegie Hall
    • Mount Auburn
    • Moveo

    Industries

  • 12
    (12 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $25,000+
    • 10 - 49 employees
    • New York, NY

    7L International, a small software development company, is based in New York, New York. Launched in 2016, the team focuses on custom software development, mobile app development, e-commerce development, and IoT development.

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    Clients

    • TikTok
    • PowerPlay Studio
    • Company.co
    • Quake Media

    Industries

  • 13
    (10 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • 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
    • AirAsia
    • Arc XP
    • Car Rental Company (CRC)
  • 14
    (78 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.7
    • Would Recommend

      4.9
    • $25,000+
    • 250 - 999 employees
    • New York, NY

    TekRevol is an app development startup of 18 employees. Founded in 2014, their headquarters is in Newark, Calif. They offer various services: mobile app development, web development, e-commerce development, blockchain, and more. They primarily work with enterprise and midmarket clients in the e-commerce and business services industries.
     

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    Clients

    • The University of Toronto
    • Waste Connections
    • Oz Leasing
    • Beach Bandits

    Industries

  • 15
    (42 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • 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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    Clients

    • Financial Services
    • Non-Profit
    • Legal
    • Business Services

    Industries

  • 16
    (17 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • 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
    • Bethesda
    • Cambridge Associates
    • Discovery Channel

    Industries

  • 17
    (14 Reviews) 4.6
    • Timeliness

      4.5
    • Service Excellence

      4.6
    • 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
    • Betterlogic
    • Capium
    • Vision Engineering

    Industries

  • 18
    (23 Reviews) 4.7
    • Timeliness

      4.5
    • Service Excellence

      4.7
    • Value

      4.5
    • Would Recommend

      4.8
    • $25,000+
    • 1,000 - 9,999 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
    • McDonald’s India
    • Daimler Benz
    • ESPN

    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
    • Sony
    • BNY Mellon
    • Evernote

    Industries

  • 20
    (40 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.7
    • Would Recommend

      4.8
    • $25,000+
    • 50 - 249 employees
    • Brooklyn, NY

    Launched in 2021, CXR is a digital strategy company. Their midsize team is based in Brooklyn, New York. Their team specializes in digital strategy, mobile & app marketing, AR/VR development, and corporate training.

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    Clients

    • HBO Max
    • Modelo
    • Dropbox
    • Cartier

    Industries

  • 21
    (38 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
    • Prezzo
    • Aftersow Technology
    • EMEX

    Industries

  • 22
    (9 Reviews) 4.8
    • Timeliness

      4.6
    • Service Excellence

      4.8
    • 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
    • Hub
    • Rec
    • WorkPlace

    Industries

  • 23
    (8 Reviews) 4.8
    • Timeliness

      4.4
    • Service Excellence

      4.8
    • 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
    • 5miles

    Industries

  • 24
    (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
    • The Sports & Arts in Schools Foundation (SASF)
    • Viedam
    • Smile Train

    Industries

  • 25
    (5 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

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

    Armix Group is a digital strategy agency based in New York. This company has 10+ emploees and was founded in 2006. Services offered by Armix Group include SEO, mobile app development, and web development.

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    Clients

    • Barnes&Noble
    • Intuit
    • MetLife
    • Relocation

    Industries

  • 26
    (15 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

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

    Slashdev is a small software development company. The Winter Park, Florida-based company was established in 2021. Their services include custom software development, web development, mobile app development, wearable app development, and more.

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    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
    (1 Reviews) 4.5
    • Timeliness

      4.0
    • Service Excellence

      4.5
    • Value

      3.0
    • Would Recommend

      4.5
    • $100,000+
    • 50 - 249 employees
    • Brooklyn, NY

    8th Light is a software consultancy firm headquartered in Chicago, with other offices in Los Angeles, New York, and London. The agency and its team of 110+ has experience in web development, custom software development, web design, mobile app development, and cloud consulting.

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    Clients

    • Royal Academy of Arts
    • AXUS Travel App
    • Go Big Recruiting
    • Law Vault
  • 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
    • Workwell Technologies
    • CSE Insurance

    Industries

  • 30
    (0 Reviews)

    Not yet reviewed.

    • $25,000+
    • 10 - 49 employees
    • New York, NY

    Abac is a custom software development firm. Founded in 2016, the agency is in Cluj-Napoca, Romania. The small team focuses on custom software development, mobile app development, web development, cloud consulting & SI, and more.

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    Industries

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