Top 10+ C# Development Companies in Saint Petersburg | C# Developers Saint Petersburg 2026

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

The List of Top 10+ C# Development Companies in Saint Petersburg | Top C# Developers Saint Petersburg 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.
mentalstack

Details

Founded: 2016
Hourly Rates: $25 - $49
Employees: 10 - 49
Avg. Project Cost: $10,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • Mobile App Development
  • UI/UX Design
Businesses looking for a reliable technology partner often consider Mentalstack. The company's main offerings are Mobile App Development. With 10 - 49 people on staff, Mentalstack can take on projects of varying size. Typical hourly rates run around $25 - $49/hr, with an average project cost near $5,000,000. This gives a quick snapshot of what to expect when working with Mentalstack.
simbirsoft

Details

Founded: 2001
Hourly Rates: $50 - $99
Employees: 500 - 999
Avg. Project Cost: $25,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • WordPress Development
  • Drupal
  • Mobile App Development
  • UI/UX Design
  • Custom Software Development
  • Ruby on Rails
  • .NET Development
SimbirSoft is a software development company that turns ideas into working products. The company's main offerings are QA & Software Testing. The company operates with a team of 500 - 999 professionals. Typical hourly rates run around $50 - $99/hr, with an average project cost near $2,500,000. This profile is a starting point — reach out to SimbirSoft directly to discuss project specifics.
4xxi

Details

Founded: 2008
Hourly Rates: $50 - $99
Employees: 50 - 249
Avg. Project Cost: $50,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • PHP Development
  • Mobile App Development
  • UI/UX Design
  • Ruby on Rails
Businesses looking for a reliable technology partner often consider 4xxi. 4xxi works across web, mobile, and custom software development. With 50 - 249 people on staff, 4xxi can take on projects of varying size. Clients can expect pricing around $50 - $99/hr, with projects averaging about $10,000. This profile is a starting point — reach out to 4xxi directly to discuss project specifics.
designrussia

Details

Founded: 2003
Hourly Rates: $25 - $49
Employees: 10 - 49
Avg. Project Cost: $50,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • PHP Development
  • WordPress Development
  • MySQL
  • CMS Development
  • Ruby on Rails
  • Magento
Businesses looking for a reliable technology partner often consider DesignRussia. Their core services include Web Development. Its team includes 10 - 49 specialists working across design, development, and delivery. Typical hourly rates run around $25 - $49/hr, with an average project cost near $50,000. Overall, DesignRussia is one of the options worth shortlisting for a technology project.
adci solutions

Details

Founded: 2007
Hourly Rates: $25 - $49
Employees: 10 - 49
Avg. Project Cost: $10,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • PHP Development
  • MySQL
  • Drupal
  • E-Commerce
  • Mobile App Development
  • Magento
Since 2007, ADCI Solutions has operated as a technology services provider. Their core services include Web Development. ADCI Solutions employs 10 - 49 people. Typical hourly rates run around $25 - $49/hr, with an average project cost near $50,000. This profile is a starting point — reach out to ADCI Solutions directly to discuss project specifics.
shakuro

Details

Founded: 2006
Hourly Rates: $25 - $49
Employees: 10 - 49
Avg. Project Cost: $5,000,000+
Ratings:
4.2
7 Reviews

Service Line

  • Web Development
  • Web Design
  • AngularJS Development
  • Node.js Development
  • Mobile App Development
  • UI/UX Design
  • CMS Development
  • Ruby on Rails
  • .NET Development
Shakuro is a technology company founded in 2006. Shakuro focuses on Custom Software Development and Mobile App Development. With 10 - 49 people on staff, Shakuro can take on projects of varying size. Typical hourly rates run around $25 - $49/hr, with an average project cost near $100,000. This profile is a starting point — reach out to Shakuro directly to discuss project specifics.
distillery

Details

Founded: 2012
Hourly Rates: $100 - $149
Employees: 50 - 249
Avg. Project Cost: $25,000+
Ratings:
4.4
6 Reviews

Service Line

  • Web Development
  • Web Design
  • Mobile App Development
  • UI/UX Design
  • .NET Development
Distillery is a software development company that turns ideas into working products. Their core services include Mobile App Development and Custom Software Development. Distillery employs 50 - 249 people. 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 Distillery.
purrweb

Details

Founded: 2014
Hourly Rates: $50 - $99
Employees: 10 - 49
Avg. Project Cost: $50,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • Node.js Development
  • Mobile App Development
Businesses looking for a reliable technology partner often consider PURRWEB. The company's day-to-day work covers web platforms, mobile apps, and bespoke software. PURRWEB employs 10 - 49 people. Clients can expect pricing around $50 - $99/hr, with projects averaging about $25,000. This gives a quick snapshot of what to expect when working with PURRWEB.
jetruby agency

Details

Founded: 2010
Hourly Rates: $25 - $49
Employees: 50 - 249
Avg. Project Cost: $50,000+
Ratings: No reviews yet

Service Line

  • Web Development
  • Web Design
  • E-Commerce
  • Mobile App Development
  • UI/UX Design
  • CMS Development
  • Ruby on Rails
Since 2010, JetRuby Agency has operated as a technology services provider. The company's main offerings are Mobile App Development. With 50 - 249 people on staff, JetRuby Agency can take on projects of varying size. Typical hourly rates run around $25 - $49/hr, with an average project cost near $10,000. These details offer a useful starting point when evaluating JetRuby Agency.
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You'll generally see three options from Web Development companies in Saint Petersburg: fixed-price for scopes that are already nailed down, time-and-materials for projects where the requirements are still taking shape, and a dedicated-team arrangement for products with no real end date. Fixed-price protects your budget but punishes scope creep; time-and-materials is more forgiving of changing plans but requires more active oversight from you. A Web Development firm in Saint Petersburg should be able to explain which one fits your situation, not just default to whichever is easiest for them.

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 Saint Petersburg are a bigger red flag than a slightly higher quote.

A good Web Development company in Saint Petersburg won't make you ask for updates — you should have standing access to a task board, regular written progress notes, and visibility into a staging environment where you can see the work as it's built, not just at the end of a sprint. If a firm treats this kind of access as an inconvenience rather than standard practice, take that seriously before signing anything longer-term.

A good Web Development company in Saint Petersburg 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 Saint Petersburg becomes an ongoing part of how the business grows rather than a vendor you call once and don't hear from again.

It depends on your business goals, but a Web Development company in Saint Petersburg 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.

The better Web Development companies in Saint Petersburg 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 Saint Petersburg 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.
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