Top 60 C# Developers in New York City

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Top 60 C# Developers in New York City

May 2022

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
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.5
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $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.

    Clients

    • The Carlyle Group
    • Nasdaq
    • Apax Partners
    • Monex

    Industries

    Notable Project

    DataArt provided Java and .NET development resources to help revamp a digital booking system. They built connections to various ferry operators through an API. They continue to make enhancements.

    “I’ve found many things to be impressive about DataArt, including their professionalism and ability to deliver.”

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  • 2
    • Scheduling

      4.8
    • Quality

      4.7
    • Cost

      4.8
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $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.

    Clients

    • Golflogix
    • Volkswagen
    • Microsoft
    • Harvard University

    Industries

    Notable Project

    Zco developed a mobile application for an autism resource company to help families deal with autism easier. They worked on designs based on provided wireframes and colors.

    "Their patience with first-time app clients was amazing."

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  • 3
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.7
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $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.

    Clients

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

    Industries

    Notable Project

    DOOR3 designed and developed the website for a women entrepreneurship crowdfunding platform. They built the site on Drupal, and it allowed users to browse crowdfunding campaigns and coaching programs.

    "The team never hid anything from us, and we found that to be extremely valuable."

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  • 4
    • $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.  

    Clients

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

    Industries

    Notable Project

    Bit by Bit Computer Consultants is a nonprofit arts organization’s managed IT services provider. They monitor the client’s IT equipment, implement cybersecurity measures, and offer ad-hoc tech support. 

    "Their responsiveness is really great — they resolve issues promptly."

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  • 5
    • Scheduling

      4.4
    • Quality

      4.6
    • Cost

      4.4
    • NPS

      4.7
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 250 - 999 employees
    • New York, NY

    Innovecs is a software development company headquartered in New York City with offices in Tel-Aviv, Israel, London, Frankfurt, Germany, Bern, Switzerland, San Francisco, and Kiev, Ukraine. Their team of 360 provides web development, custom software development, mobile app development, application testing, and more.

    Clients

    • SGN
    • Warner Brothers Turbine
    • CallFire
    • Iron Source

    Industries

    Notable Project

    Innovecs offers ongoing React Native development support for posture correction technology.

    "In Israel, it was hard to find React Native developers. In Innovecs, we found great React Native developers."

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  • 6
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.5
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $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.

    Industries

    Notable Project

    ModLogix moved a legacy application to .NET Core 3.1. This involved optimizing the database, re-writing modules from scratch, and migrating the live environment to a new platform. The optimized application is more scalable and secure than the legacy solution. Notably, the cost per transaction has been reduced by more than 300%. The transparent, responsive team kept stakeholders up-to-date throughout the project. They completed their tasks ahead of schedule.

    "They really understood our challenges and we didn't have to spend hours explaining what we needed." — Director of Business Development, SaaS Healthcare Platform Company

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  • 7
    • $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.

    Clients

    • Marshall IP
    • Carnegie Hall
    • Mount Auburn
    • Moveo

    Industries

    Notable Project

    New Peak Solutions created an easy-to-use solution for managing data, both for the firm and one of its clients. It tuned out as a web and mobile app which involved database development and CRM integration.

    "They’re responsive and responsible, and they really understand what the client’s looking for."

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  • 8
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.5
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • Livingston, NJ

    AndPlus is a software product development company located in Southborough, Mass. Founded in 2009, they have 50 employees and serve companies of all sizes – from Fortune 100 companies like Bloomberg and Honeywell, to funded startups looking to launch their MVP. AndPlus focuses on creating mobile and web solutions for IoT, Big Data, User Experience, Artificial Intelligence, Machine Learning, and more.

    Clients

    • Bloomberg
    • ESPN
    • MIT
    • Cambridge Mobile Telematics

    Industries

    Notable Project

    AndPlus has developed a web app for a research university based on the client’s previously-used mobile app. The team’s work currently focuses on adding features to the app to enhance its functionality.

    “We’ve been truly happy working with the AndPlus team.”

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  • 9
    • $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.

    Clients

    • Atos
    • Bethesda
    • Cambridge Associates
    • Discovery Channel

    Industries

    Notable Project

    A contamination control products company engaged with Jahnel Group, Inc. for website development. They built a web-based application that utilized cloud technologies and Microsoft solutions for asset tracking.

    "Jahnel Group, Inc. was easy to work with and had excellent technical skills."

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

    Venture Aviator is a software development company headquartered in New York, NY with other offices in San Francisco and Santa Monica, CA. The team of nearly 20 employees is fluent in blockchain, software, mobile app, and web development.

    Clients

    • Cisco
    • Allianz
    • Rentberry (Top 10 ICO / Blockchain company for 2018 according to Inc. and Forbes)
    • Allre (Acquired by Ten-X)

    Industries

    Notable Project

    Venture Aviator built the front and backend of a website with integrated AI features, API connectivities, and data loops. HostGator is used for site and domain hosting, and AWS for transactions support.

    “Venture Aviator understood what I needed and created it.”

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  • 11
    • Scheduling

      4.8
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $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. 

    Clients

    • The New York Metropolitan Transportation Council
    • The Sports & Arts in Schools Foundation (SASF)
    • Viedam
    • Smile Train

    Industries

    Notable Project

    NIFTIT was hired by a B2B Food Flavoring Company to develop SharePoint-based workflows and an intranet setup for company-wide communications. NIFTIT was able to deliver these and made an exceptionally positive impact on the Company. 

    "They always met the timeline deadlines, even when we had change requests." - IT Manager, B2B Food Flavoring Company 

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  • 12
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 50 - 249 employees
    • Woodbridge Township, NJ

    Founded in 2003, TransData is an e-commerce development firm. The midsize team provides e-commerce development and digital strategy. The agency is in Woodbridge Township, New Jersey.

    Clients

    • ilaan
    • Mr Mahir
    • Transcure
    • ATR

    Industries

    Notable Project

    Using Laravel, TransData developed and designed an e-commerce website for an online retail marketplace. They are now developing and providing customer service support for its complimentary Android and iOS app.

    "They are a professional, sincere team that delivers on what they promise."

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  • 13
    • $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.

    Clients

    • Columbia Sportswear
    • MedStar Health
    • VW of America
    • AgMark Logistics

    Industries

    Notable Project

    A mentorship organization sought The Smyth Group's help to get their site back up during a site downtime. The team was tasked with removing the unnecessary backup files on the client's server.

    "They were very professional and responsive."

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  • 14
    • Undisclosed
    • 10 - 49 employees
    • Staten Island, NY

    Digital Edge Ventures is an IT services company based in Staten Island, N.Y. Founded in 1996, the team of 13 specializes in cloud consulting and SI, cybersecurity, and custom software development. They work primarily with small business clients, mainly in the financial services industry.

    Clients

    • MACY’s
    • March of Dimes
    • NYC Health + Hospitals
    • Numerix

    Industries

    Notable Project

    Digital Edge Ventures worked on cybersecurity consulting for a financial technology company. They supported security controls for a variety of internal Linux projects. They also developed technical solutions to achieve ISO certification. The client appreciates their work and feels more confident in the security of their network.

    “Their depth of technical capability is great. They have some really phenomenal technical people working for them. The flexibility of their solutions is also impressive.” – VP of IT, Financial Technology Company

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  • 15
    • Scheduling

      4.9
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 2 - 9 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.

    Clients

    • Barnes&Noble
    • Intuit
    • MetLife
    • Relocation

    Industries

    Notable Project

    Armix Group provides ongoing web design and digital marketing services for an art history non-profit. They make use of sustainable SEO solutions to draw attention to the client's site. The client reports strong trends and satisfying growth rates since it began working with Armix Group.

    "I’ve worked with many SEO specialists and web developers. Armix Group looks at the right metrics and handles itself with professionalism. They combine the functions of an SEO shop and a digital marketing agency. That’s pretty rare in the marketplace." Founder, Art History Non-Profit

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  • 16
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 250 - 999 employees
    • New York, NY

    Commit is a midsize custom software development company launched in 2005. Their services include custom software development, IoT development, mobile app development, and BI & big data consulting & SI. The agency is in New York, New York.

    Industries

    Notable Project

    Commit is developing a mobile app for a data solutions provider. The main purpose of the app is to digitize malls, making them easily accessible to customers with a tap of a button. 

    "Commit delivered a revolutionary app that was and remains far ahead of anything in the marketplace."

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  • 17
    • $25,000+
    • 10 - 49 employees
    • Rutherford, NJ

    Incipient Corp. is a software development group based in Rutherford, N.J., and founded in 2011. Their team of fewer than 50 provides custom software development, cloud consulting, and IT strategy consulting solutions for clients in the industries of manufacturing and business services.

    Clients

    • Amneal Pharmaceuticals
    • Shadow Delivery
    • Billy Joe’s Ribworks

    Industries

    Notable Project

    Incipient Corp. developed custom data management and analysis software for an automotive consultant's customer. The partners worked on the solution's viability and evaluated their approach before development.

    "They ensured they met my needs while pushing the project boundaries to improve the final outcome."

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  • 18
    • $10,000+
    • 50 - 249 employees
    • New York, NY

    Incredible Visibility Inc. is a multidisciplinary agency founded in 2014 and headquartered in Parkland, Fla. with secondary offices in Torrance, Calif. and Kollam, India. Their 50+ employees specialize in web and custom software development, e-commerce solutions, web design, UI/UX, and more, serving small and mid-sized clients in various industries.

    Clients

    • Discovery Network
    • Motor Trend
    • Federal Premium
    • Sand Cloud

    Industries

    Notable Project

    Incredible Visibility Inc. provided web development, SEO, and social media marketing for a health clinic that needed a digital upgrade. They created a new website and set up marketing campaigns on Yelp and Google. Their efforts produced an uptick in appointments for the client, who was pleased with all of the deliverables but especially with the SEO results.

    "We’re now one of the largest private mental healthcare facilities in the entire southern Los Angeles area..." – IT Manager, Health Clinic

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  • 19
    • $5,000+
    • 250 - 999 employees
    • New York, NY

    Located in Ahmedabad, India, Sapphire Software Solutions is a product design company. The midsize company was launched in 2002. Their team focuses on product design and mobile app development.

    Industries

    Notable Project

    Sapphire Software Solutions provides custom software development services for a transport and utility company. They build data display and analysis solutions using JavaScript, .NET, Angular, and MVC frameworks.

    “They understand our problems and provide the solutions that we need.”

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  • 20
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • New York, NY

    Software development company mejix was founded in 2008. The firm focuses on custom software development, web development, web design, e-commerce development, and more and has a midsize team.

    Industries

    Notable Project

    A healthcare platform hired mejix to create a mobile app. The team ideates and builds the needed software and develops UX and UI strategies.

    "Mejix thinks ahead of our curve, protects us from costly mistakes, and gets to the finish line on time and a budget."

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  • 21
    • $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.

    Clients

    • AT&T
    • Starbucks
    • Caterpillar
    • American Express

    Industries

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  • 22
    • $1,000+
    • 250 - 999 employees
    • Kew Gardens, NY

    Fusion Business Solutions Pvt Ltd is an outsourcing and offshoring company with over 300 employees founded in Udaipur, India. Founded in 2006, they work with mid-market and small businesses in the business services industry, among others, to provide non-voice BPO and back-office services. 

    Industries

    Notable Project

    Fusion Business Solutions Pvt Ltd is providing an administrative support associate to an insurance agency. They send communication materials, handle monthly invoicing, and do ad hoc tasks. 

    "I have zero complaints and only praise for our business relationship."

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  • 23
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.2
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $100,000+
    • 250 - 999 employees
    • New York, NY

    Founded in 2014, PYCOGroup is a development firm. Their team of around 370 employees is based in Brussels, with an additional office around the globe. They focus on custom software, web, and mobile app development.

    Clients

    • Microsoft
    • American Express
    • Volkswagen
    • Coach

    Industries

    Notable Project

    PYCOGroup developed an iOS app for tablets that allows customers to customize products in-store. Since launch, they’ve provided ongoing maintenance and new product/offer updates.  

    "Whenever we’ve brought up challenges, they’ve ironed them out quickly." 

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  • 24
    • $5,000+
    • 10 - 49 employees
    • New York, NY

    Exigent Technologies is a full-service information technology consulting firm headquartered in Mount Arlington, N.J., with a satellite office in New York. Exigent's team of 50+ employees looks to offer IT managed services, custom software development, and cybersecurity to small and midmarket businesses. 

    Clients

    • Chiesa Shahinian & Giantomasi,
    • Bulbrite Industries,
    • roundCorner,
    • Heath Village,

    Industries

    Notable Project

    Exigent Technologies designed, installed, and managed a celebrity bake shop’s core network infrastructure. They worked on a 150,000-square-foot warehouse and office facility, supporting 150 connections. 

    "Exigent delivered a reliable and scalable solution that worked."

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  • 25
    • Scheduling

      4.5
    • Quality

      4.8
    • Cost

      4.1
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 10 - 49 employees
    • New York, NY

    lilcodelab is a software engineering company headquartered in Split, Croatia with additional offices in Munich, Germany. Founded in 2017, they currently have a team of 9 that specializes in custom software and web development as well as enterprise app modernization. lilcodelab works with clients of all sizes within the business services, financial services, and government industries.

    Clients

    • OTP banka

    Industries

    Notable Project

    Lilcodelab develops custom software for a solutions provider company. The specs are from the client and the technologies being used are C#, .NET, and SQL.

    "Lilcodelab has always been professional and enthusiastic about delivering for the project."

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  • 26
    • $25,000+
    • 2 - 9 employees
    • New York, NY

    BLUEPORTAL, LLC is an IT company founded in 2015 and run by more than 10 people. Based in New York, they offer custom software, web, and mobile app development solutions, primarily to small and mid-market clients in the fields of financial services, health care, and e-commerce.

    Clients

    • Areale Counseling & Wellness, LLC
    • YouDivine
    • Valley of Rockville Centre AASR

    Industries

    Notable Project

    BLUEPORTAL, LLC developed a web app for a counseling company. The company needed a web app that had a frontend, a backend with API, and a content management system. Their work allowed the company to obtain a significant local presence online.

    “The project management was impressive and responsive to my questions and suggestions.” – Owner & Psychotherapist, Counseling Company

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  • 27
    • Scheduling

      5.0
    • Quality

      4.8
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 10 - 49 employees
    • Union City, NJ

    Addax LLC is an IT company in Union City, N.J. Founded in 2012, they have about 10 employees that serve small-business and midmarket clients in a variety of industries. Services include custom software development and CRM consulting.

    Industries

    Notable Project

    To offer a great view of the business's operations, a finance firm hired Addax LLC to build and develop a reporting system through Salesforce. Their goal is to identify important KPIs and growing opportunities.

    "The transparency into what we’ve developed is really fantastic."

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  • 28
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 2 - 9 employees
    • New York, NY

    Based in New York, New York and Great Barrington, Massachusetts, YoJonesy is a custom software development firm. The small team provides custom software development, ux/ui design, mobile app development, Artificial Intelligence, and more and was founded in 2019.

    Industries

    Notable Project

    A video production company hired YoJonesy to overhaul the company’s website. They aim to generate organic web traffic by adding marketing page efforts and redesigning the whole site.

    "A top-notch work from a wildly talented team of creatives and technicians."

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  • 29
    • $1,000+
    • 10 - 49 employees
    • San Francisco, CA

    Brain Studioz is a development agency based in New York. They have a team of around 5 employees and were founded in 2009. They provide web, custom software, and mobile app development services to primarily small businesses. 

    Clients

    • Kuero Hospitality
    • Vilotel Luxury Villas
    • BlueBox Packaging
    • 12 Design

    Industries

    Notable Project

    Brain Studioz developed a website for a vacation rental management company. They added customized features for a booking engine. The final product is integral to the business successfully gathering leads and inquiries. 

    "Great design team and quick turn around on all projects." – CEO, Vacation Rental Management Company

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  • 30
    • $10,000+
    • 50 - 249 employees
    • New York, NY

    DMC, Inc. is an engineering and development firm founded in 1996. It is headquartered in Chicago, but has other locations in Somerville, Mass.; Denver, Colo.; New York, N.Y.; Houston, Texas; and St. Louis, Mo. DMC, Inc. has about 150 employees. While DMC's origins are in robotics and manufacturing automation, they currently offer custom software development and big data consulting services.   

    Clients

    • 3M
    • Ford
    • Cadbury
    • Bosch

    Industries

    Notable Project

    A large ground logistics firm hired DMC to develop a unique IoT device for their centrally-owned fuel depots. DMC created a device to speed up the refueling process and provide useful data to the firms that own the depots.

     

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