Top 10+ C# Development Companies in Manhattan | C# Developers Manhattan 2026

Last Updated 15th August 2026 | Category: Top Web Development Firms

The List of Top 10+ C# Development Companies in Manhattan | Top C# Developers Manhattan August 2026

hyperlink infosystem

Details

Founded: 2011
Hourly Rates: < $25
Employees: 1000+
Avg. Project Cost: $2,500,000+
Ratings:
5.0
497 Reviews

Service Line

  • Web Development
  • Web Design
  • PHP Development
  • WordPress Development
  • AngularJS Development
Hyperlink InfoSystem is a leading web development company. They provide a huge range of information technology services and a solution for web design, web development & mobile app development, digital marketing services. They have skilled web designers and developers who are always enthusiastic to make unique websites. They help every client to make their business appearance sparkle. Hyperlink InfoSystem takes the time to hear from their clients, truly understand their needs and propose a tailor-made solution to meet their particular needs and budget.

They offer a compelling user experience, combines with primary business systems & takes the data necessary to drive business opportunities. They understand the value of every small study of business and consider it with the quality & deadline.
blue water

Details

Founded: 2001
Hourly Rates: $100 - $149
Employees: 50 - 249
Avg. Project Cost: $50,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • Drupal
  • E-Commerce
  • Mobile App Development
  • UI/UX Design
  • CMS Development
Their small cross-functional teams foster innovation to ideate and continually iterate digital solutions that move the needle. While some see challenges, we see endless possibilities. They combine mature project development methodologies with robust project management tools and domain expertise to deliver end-to-end web development solutions. Blue Water is an amazing web development company who provides an outstanding solution.
iflexion

Details

Founded: 1999
Hourly Rates: $25 - $49
Employees: 50 - 249
Avg. Project Cost: $100,000+
Ratings:
4.3
6 Reviews

Service Line

  • Web Development
  • PHP Development
  • Drupal
  • Mobile App Development
  • UI/UX Design
  • Ruby on Rails
  • Magento
Iflexion is a web development company. They use all the analytics to make sure they have the right data to make the perfect decision when it comes to developing or improving new features or upgrading new features of the current release. They choose the best technology frameworks and proven methodologies for better scalability, flexibility and improved collaboration.
big kitty labs

Details

Founded: 2008
Hourly Rates: $100 - $149
Employees: 10 - 49
Avg. Project Cost: $5,000,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • Mobile App Development
  • Custom Software Development
  • AR App Development
  • VR App Development
Big Kitty Labs is a leading web development company. They work with first-time entrepreneurs who have exciting new and unique ideas; with established companies that are looking for new solutions and that seek the perspective of an outside partner to help evolve and grow the business. They support you to reach on top and for the regular operation of your company.
redtech

Details

Founded: 1995
Hourly Rates: $100 - $149
Employees: 50 - 249
Avg. Project Cost: $50,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • WordPress Development
  • MySQL
  • Mobile App Development
  • UI/UX Design
  • Custom Software Development
  • .NET Development
Redtech is the premier provider of customer-centric technology professionals and solutions in the Pacific Northwest. They deliver elegant solutions through systems and sites that engage, inform, and inspire—to give our clients a distinct competitive advantage. They believe that work should be fun, that challenges are chances for growth, and that the best solutions come from close collaboration among people with diverse expertise.
end point

Details

Founded: 1995
Hourly Rates: $100 - $149
Employees: 50 - 249
Avg. Project Cost: $10,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • PHP Development
  • Node.js Development
  • MySQL
  • E-Commerce
  • Custom Software Development
  • Ruby on Rails
  • Magento
End Point was established in New York as a full-service software consultancy. They develop software designed for the way you really work. Their custom solutions provide value and intelligence to your business. They provide real, correct security to their clients. They help companies develop their support and software apps. Their support is given by a team of masters crossing the globe.
redfox visual

Details

Founded: N/A
Hourly Rates: N/A
Employees: N/A
Avg. Project Cost: $5,000,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • UI/UX Design
They create a design and develop websites for businesses that are not just visually appealing, but are powerful sales and marketing tools used to enhance your online presence, engage your visitors, and ultimately convert those visitors into loyal customers and clients. Their website speeds are unmatched. They develop your website from the ground up.
webjive

Details

Founded: 2006
Hourly Rates: $100 - $149
Employees: 2 - 9
Avg. Project Cost: $25,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
WebJIVE is a leading web and mobile app development company. They develop mobile responsive, cost-effective, and user-friendly websites for companies over the globe. They are passionate about helping businesses establish or improve their image and web presence. Their website design specialists have the creativity, and expertise to provide integral web marketing solutions.
traina design

Details

Founded: 2005
Hourly Rates: $150 - $199
Employees: 10 - 49
Avg. Project Cost: $50,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
From research and analysis to naming and positioning, to design and development, they help their clients successfully navigate the process of launching a new product or brand. And while their focus will always be on the power of design to connect people and products, it’s the strategic insights and expertise behind each project that truly magnify the results for their clients.
wpromote

Details

Founded: 2001
Hourly Rates: $150 - $199
Employees: 500 - 999
Avg. Project Cost: $2,500,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • E-Commerce
  • CMS Development
Wpromote is the challenger agency and they specialize in digital marketing and customer acquisition. They remain open for everything new & innovative; that is what makes their web development company special. Their client experts are highly trained specialists with hands-on experience in enterprise analysis and software development.
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FAQ

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Enterprise-ready Web Development companies in Manhattan tend to look different from smaller shops in a few specific ways: named project leads instead of rotating contacts, documented change-management processes, and infrastructure experience that goes beyond a single client's traffic level. Many carry ISO or SOC-type certifications as a baseline, but the real signal is whether they can describe a past engagement of comparable scale in concrete detail. A Web Development firm in Manhattan that hesitates on that question probably hasn't done it before.

Outsourcing to Manhattan is routine at this point, but it still deserves the basics done properly: a signed NDA, a clear clause on who owns the IP once it's built, and an understanding of what happens if either side wants to walk away mid-project. Established Web Development companies in Manhattan will have handled these terms many times before and shouldn't push back on any of them — hesitation there is itself a useful signal.

There's no single number here — a Web Development company in Manhattan might quote a few thousand dollars for a narrow, well-defined build and a much larger figure for a full product with integrations and ongoing support. The only way to get a real answer for your situation is to send the same brief to a handful of Web Development firms in Manhattan and compare the itemized breakdowns, not just the bottom-line total.

The firms that rank well among Web Development companies in Manhattan typically have verifiable client references, a track record of finished (not just started) projects, relevant certifications, and consistently positive feedback across multiple engagements — not just one standout case study. Self-reported claims with nothing to back them up carry little weight here; documented outcomes do.

Look past the pitch deck: read the portfolio for technical substance, check independent reviews rather than the testimonials on the company's own site, and ask for a reference from a project similar in scope to yours. Then ask directly how they handle QA and what happens when a bug slips through after delivery. A Web Development company in Manhattan that's confident in its process will answer that last question specifically, not with a vague reassurance.

A good Web Development company in Manhattan doesn't stop at shipping features — the strongest ones bring analytics setup, structured A/B testing, and performance tuning into the conversation from early on, so the product keeps improving after launch instead of sitting static. Treated this way, a Web Development partner in Manhattan becomes an ongoing part of how the business grows rather than a vendor you call once and don't hear from again.
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