Top 10+ C# Development Companies in Delaware (2026)

Last Updated 04th November 2026 | Category: Top Web Development Firms

As of November 2026, this directory tracks 57 c-sharp companies. Hyperlink InfoSystem currently sits at the top of the list (5.0-star average from 497 verified reviews, $25 - $49 / hr, in business since 2011). Looking at the group as a whole, the midpoint hourly rate is $125, the median rating is 4.8, and 39% report a team of 50 or more. Most frequently listed specialties here include Mobile App Development, Web Development, Bot Development, and AI Development.

Every company on this page is evaluated on the same real signals: how clients have rated their work, what they charge per hour, how big their team is, and how long they've been in business. Clients rate these c-sharp firms 4.9/5 on average. $100 - $149 / hr is the most common rate band. Roughly 39% of the companies listed report a headcount of 50 or more. Before reaching out to any shortlisted firm, it's worth cross-checking its review history and portfolio directly - every listing is manually checked (founding year, services, team size) and reviews go through a moderation step before they go live.

57
Verified Firms
$100 - $149 / hr
Most Common Rate
4.9
Average Rating
39%
Have 50+ Employees
How this list is built: Companies are added only after manual research into their foundation year, service offerings, ratings, and employee strength. Client reviews go through a verification step before being marked Verified and shown publicly. Listings marked Sponsored pay for premium placement — sponsorship does not affect star ratings or review content.

Top-Ranked c-sharp Companies

Compare the highest-ranked firms first side by side.

Rank Company Rating Reviews Hourly Rate Team Size Founded Headquarters Action
1 5.0 497 $25 - $49 / hr 1,000 - 9,999 2011 Jersey City, NJ Visit Profile
2 4.8 7 $25 - $49 / hr 10 - 49 2014 Woonsocket, RI Visit Profile
3
4.7 8 $50 - $99 / hr 10 - 49 2013 — Visit Profile
4
4.3 6 $25 - $49 / hr 500 - 999 2002 — Visit Profile
5
— — $100 - $149 / hr 2 - 9 2003 — Visit Profile
6 4.7 8 $100 - $149 / hr 2 - 9 2013 — Visit Profile
7 — — $50 - $99 / hr 50 - 249 N/A — Visit Profile
8 4.5 10 $150 - $199 / hr 2 - 9 1997 — Visit Profile
9 4.5 8 $100 - $149 / hr 10 - 49 1995 — Visit Profile
10 4.1 9 $50 - $99 / hr 50 - 249 2016 — Visit Profile

The List of Top 10+ C# Development Companies in Delaware | Top C# Developers Delaware November 2026

2000
$25 - $49
250 - 999
$2,500,000+
Big Data Cloud Computing Software Enterprise App Development Internet of Things Mobile App Development UI-UX Design
2014
$50 - $99
50 - 249
$10,000+
AR App Development Custom Software Development Game Development Mobile App Development SEO Social Media Marketing VR App Development Wearable App Development Web Development
2011
$50 - $99
10 - 49
$2,500,000+
Android App Development Custom Software Development E-commerce Development iOS App Development Mobile App Development Web Development
4.3 6 Reviews
2002
$25 - $49
500 - 999
$5,000,000+
Web Development Web Design PHP Development Custom Software Development AR App Development VR App Development CMS Development Ruby on Rails
2003
$150 - $199
10 - 49
$10,000+
Web Development Web Design PHP Development Node.js Development Mobile App Development UI/UX Design
2013
$100 - $149
2 - 9
$25,000+
Web Development Web Design PHP Development WordPress Development
1997
$100 - $149
10 - 49
$2,500,000+
Web Development Web Design Mobile App Development
4.7 8 Reviews
2012
$100 - $149
10 - 49
$2,500,000+
Web Development Web Design Mobile App Development UI/UX Design Custom Software Development
2008
$150 - $199
10 - 49
$100,000+
Web Development Web Design Mobile App Development CMS Development
2017
$150 - $199
2 - 9
$2,500,000+
Custom Application Development Mobile App Development Web Development
2004
$50 - $99
50 - 249
$5,000,000+
Custom Software Development Digital Strategy Mobile App Development UI-UX Design Web Design Web Development
2008
$150 - $199
10 - 49
$5,000,000+
Web Development Web Design Mobile App Development UI/UX Design Custom Software Development CMS Development Ruby on Rails
2002
$150 - $199
2 - 9
$5,000,000+
Custom Software Development Mobile App Development UI-UX Design Web Design Web Development
2008
$150 - $199
50 - 249
$100,000+
Web Development Web Design Mobile App Development UI/UX Design Custom Software Development AR App Development
2013
$25 - $49
50 - 249
$25,000+
Blockchain Development Content Management System Custom Software Development Mobile App Development UI-UX Design Web Design Web Development
2016
$50 - $99
50 - 249
$25,000+
Web Development Web Design MySQL
2008
$150 - $199
10 - 49
$25,000+
Custom Software Development Enterprise App Modernization Internet of Things Mobile App Development UI-UX Design
2013
$25 - $49
50 - 249
$25,000+
Mobile App Development UI-UX Design Web Development
2014
$25 - $49
10 - 49
$50,000+
Custom Software Development E-commerce Development Enterprise App Development Mobile App Development Web Development
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FAQ

Frequently Asked Questions

Got questions about our specialized technology solutions? We have the answers to help you make informed decisions.

Delaware turns out a steady stream of engineering talent each year, and the stronger Web Development companies in the region have built real depth across current frameworks, cloud infrastructure, and mobile platforms rather than relying on a handful of senior people. For larger projects, ask specifically how a firm staffs beyond its founding team — that answer tells you whether their bench is genuinely deep or whether growth would strain it.

The line items that push a Web Development project in Delaware over budget are rarely the obvious ones — it's usually the number of third-party integrations, how deep the testing needs to go, and what happens after launch in terms of support and maintenance. Compliance and security work, if your project needs it, adds a real chunk on top. A proper discovery conversation with your Web Development partner in Delaware should surface most of this before you sign anything.

They're not everything, but they're not nothing either. Certifications like ISO 27001 for data security or CMMI for process maturity signal that a Web Development company in Delaware has been through external scrutiny of how it operates, which is a reasonable baseline. Treat them as one data point among several — a firm with strong certifications but weak references is still a risk, and vice versa.

It depends on your business goals, but a Web Development company in Delaware that's serious about outcomes will tie their KPIs to yours — activation rate, feature adoption, conversion, churn, revenue per user — rather than reporting on generic delivery metrics like story points closed. Get analytics wired in from the start so there's a real feedback loop between what gets built and what actually moves the business, and agree on which numbers matter before the project kicks off.

Most experienced Web Development companies in Delaware have done this kind of integration many times over — Salesforce, HubSpot, Zoho, and similar platforms are common enough that it's rarely a novel problem. What matters more is giving your Web Development partner in Delaware a full, honest picture of your current stack upfront, so the integration is built cleanly instead of patched together after the fact.

The better Web Development companies in Delaware don't disappear after handover — expect ongoing options like performance monitoring, security patching, feature iteration based on real usage data, and a maintenance retainer that keeps the product stable as it grows. A Web Development partner in Delaware that stays engaged post-launch is usually the one that ends up delivering more value over the life of the product than the initial build itself.

The sweet spot for value tends to be mid-size Web Development companies in Delaware — big enough to have real process and accountability, small enough to keep overhead (and therefore price) reasonable. These firms usually can't compete with large agencies on brand name, so they compete on transparent, milestone-based pricing and a portfolio that speaks for itself. Ask to see completed work at roughly your budget level before assuming a firm is a fit.
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