Top 10+ C# Development Companies in San Francisco (2026)

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

The List of Top 10+ C# Development Companies in San Francisco | Top C# Developers San Francisco September 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
Since 2011, Hyperlink InfoSystem has operated as a technology services provider. Hyperlink InfoSystem focuses on Mobile App Development. Hyperlink InfoSystem employs 1000+ people. Clients can expect pricing around < $25/hr, with projects averaging about $100,000. Overall, Hyperlink InfoSystem is one of the options worth shortlisting for a technology project.
holland advertising

Details

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

Service Line

  • Web Development
  • Web Design
Holland Advertising works with clients to plan, build, and ship digital products. Their work spans web development, mobile apps, and custom software projects. With 2 - 9 people on staff, Holland Advertising can take on projects of varying size. Clients can expect pricing around $100 - $149/hr, with projects averaging about $50,000. This gives a quick snapshot of what to expect when working with Holland Advertising.
tass

Details

Founded: N/A
Hourly Rates: N/A
Employees: N/A
Avg. Project Cost: $50,000+
Ratings:
4.3
8 Reviews

Service Line

  • Web Development
  • Web Design
  • WordPress Development
  • Drupal
  • E-Commerce
  • Mobile App Development
TASS works with clients to plan, build, and ship digital products. Their core services include Mobile App Development. The average project on record costs around $2,500,000. These details offer a useful starting point when evaluating TASS.
touchtap

Details

Founded: 2015
Hourly Rates: $100 - $149
Employees: 2 - 9
Avg. Project Cost: $100,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • Mobile App Development
  • Custom Software Development
  • Ruby on Rails
Touchtap has been in business since 2015, delivering technology projects for clients. Touchtap focuses on Mobile App Development. Its team includes 2 - 9 specialists working across design, development, and delivery. Typical hourly rates run around $100 - $149/hr, with an average project cost near $50,000. This gives a quick snapshot of what to expect when working with Touchtap.
dbr visuals

Details

Founded: 2010
Hourly Rates: $100 - $149
Employees: 2 - 9
Avg. Project Cost: $2,500,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • E-Commerce
DBR Visuals has been in business since 2010, delivering technology projects for clients. Their core services include Web Development. Its team includes 2 - 9 specialists working across design, development, and delivery. Clients can expect pricing around $100 - $149/hr, with projects averaging about $50,000. This gives a quick snapshot of what to expect when working with DBR Visuals.
perry media group

Details

Founded: N/A
Hourly Rates: $150 - $199
Employees: 2 - 9
Avg. Project Cost: $5,000,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • UI/UX Design
Perry Media Group is a software development company that turns ideas into working products. The company's day-to-day work covers web platforms, mobile apps, and bespoke software. The company operates with a team of 2 - 9 professionals. Clients can expect pricing around $150 - $199/hr, with projects averaging about $10,000. This profile is a starting point — reach out to Perry Media Group directly to discuss project specifics.
unleashed technologies

Details

Founded: 2007
Hourly Rates: $100 - $149
Employees: 10 - 49
Avg. Project Cost: $5,000,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • PHP Development
  • WordPress Development
  • MySQL
  • Drupal
  • E-Commerce
  • Mobile App Development
  • UI/UX Design
  • Magento
Since 2007, Unleashed Technologies has operated as a technology services provider. Unleashed Technologies works across web, mobile, and custom software development. With 10 - 49 people on staff, Unleashed Technologies can take on projects of varying size. Clients can expect pricing around $100 - $149/hr, with projects averaging about $100,000. This gives a quick snapshot of what to expect when working with Unleashed Technologies.
topflight apps

Details

Founded: 2015
Hourly Rates: $50 - $99
Employees: 10 - 49
Avg. Project Cost: $100,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • E-Commerce
  • Mobile App Development
  • UI/UX Design
  • Custom Software Development
They are a product design company. Together, they develop web and mobile apps that solve their clients’ problems in the most multidisciplinary and innovative ways possible. They expect everyone on their team that touches your project to bring elite craftmanship and become a trusted partner that helps you make product decisions that lead to business growth.
l+r

Details

Founded: 2012
Hourly Rates: $200 - $300
Employees: 10 - 49
Avg. Project Cost: $10,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • PHP Development
  • MySQL
  • Mobile App Development
  • UI/UX Design
  • Logo Designing
  • Ruby on Rails
Businesses looking for a reliable technology partner often consider L+R. Their core services include Web Development. The company operates with a team of 10 - 49 professionals. Typical hourly rates run around $200 - $300/hr, with an average project cost near $100,000. These details offer a useful starting point when evaluating L+R.
ascedia

Details

Founded: 2000
Hourly Rates: $100 - $149
Employees: 50 - 249
Avg. Project Cost: $50,000+
Ratings:
4.7
8 Reviews

Service Line

  • Web Development
  • Web Design
  • Mobile App Development
  • UI/UX Design
  • AR App Development
  • VR App Development
Ascedia has been in business since 2000, delivering technology projects for clients. Their core services include Mobile App Development and Custom Software Development. With 50 - 249 people on staff, Ascedia can take on projects of varying size. The average project on record costs around $25,000. These details offer a useful starting point when evaluating Ascedia.
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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.

Enterprise-ready Web Development companies in San Francisco 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 San Francisco that hesitates on that question probably hasn't done it before.

Yes — a good number of Web Development companies in San Francisco have built their client base primarily from overseas, particularly across North America and Western Europe, and have the operational habits to prove it: documented handoffs, async-friendly communication, and contracts written with international clients in mind. If cross-border delivery matters to you, ask a Web Development firm in San Francisco directly for a reference from a client in your own country rather than taking "we work globally" at face value.

It does, in fairly practical ways — communication style, how formally decisions get escalated, and the pace at which changes get approved all vary by region, and San Francisco has its own norms around each. None of this is a problem as long as expectations are set early; the Web Development engagements that go smoothly in San Francisco are usually the ones where the client spent a little time upfront understanding how the team likes to work, not just what they can build.

Listings for Web Development companies in San Francisco update continuously as new reviews come in, with a more thorough re-ranking pass every few months. That means a firm coasting on an old reputation without fresh client feedback will gradually slide, while newer companies with strong recent delivery can move up — the goal is that the San Francisco list reflects how firms are performing now, not two years ago.

Get clear, specific answers on: who owns the code once it's delivered, what the support window looks like after launch, how they handle a team member leaving mid-project, and what their process is when a client requests a scope change. Vague or evasive answers to any of these from a Web Development company in San Francisco are a bigger red flag than a slightly higher quote.

The highest-rated Web Development companies in San Francisco usually earn that position through a combination of solid technical delivery and genuinely good communication — the two rarely show up separately in strong reviews. Look past the aggregate star rating and read a handful of full reviews; specific, detailed praise about how a project actually went is a far better signal of which Web Development company in San Francisco will be a good fit than a number alone.

Look for Web Development companies in San Francisco that offer dedicated-team arrangements and can point to client relationships that have lasted multiple years, not just multiple projects. That kind of continuity usually means the firm treats your product roadmap as something they have a stake in, rather than a queue of tickets to clear. Ask directly for a reference from a client they've worked with for two-plus years — the answer (or lack of one) tells you a lot.
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