Top C# Developers
-
$10,000+Undisclosed50 - 249London, England
Services provided
Focus Areas
Erlang Solutions is a software development company. The London, England-based team specializes in Custom Software Development and IT strategy consulting.
Read more -
$10,000+$50 - $99 / hr10 - 49Whetstone , England
Services provided
Focus Areas
Established in 2004, IGS Solutions LTD is a custom software development firm. Their team offers Custom Software Development and Mobile App Development.
Read more -
$5,000+$25 - $49 / hr10 - 49Yerevan, Armenia
Services provided
Focus Areas
Technologist , a small custom software development firm, is in Yerevan, Armenia. The team specializes in Custom Software Development and Web Development.
Read more -
$5,000+$50 - $99 / hr50 - 249Kington, England
Services provided
Focus Areas
Software development firm Oceanstart was launched in 2010. The company specializes in Custom Software Development and Web Development, and is midsize.
Read more -
$10,000+$100 - $149 / hr2 - 9Worcester, MA
Services provided
Focus Areas
Petricore, Inc., a software development firm, was launched in 2015. Headquartered in Worcester, Massachusetts, the team offers Custom Software Development and Graphic Design.
Read more -
$5,000+$25 - $49 / hr10 - 49İstanbul, Türkiye
Services provided
Focus Areas
Interval is a software development company. Founded in 2015, the team specializes in Custom Software Development and Web Development. The agency is based in İstanbul, Türkiye.
Read more -
Undisclosed$50 - $99 / hr10 - 49Budapest, Hungary
Services provided
Focus Areas
See all 1 projectsBinarit is a Hungarian software development company dedicated to delivering high-quality custom software solutions. Our team of expert developers and engineers focuses on understanding the unique
Read more -
UndisclosedUndisclosed50 - 249
Services provided
Focus Areas
JNM Systems Pvt Ltd is a Pune, India-based IT managed services company. Their services include IT managed services and Custom Software Development.
Read more -
$25,000+Undisclosed10 - 49Vancouver, Canada
Services provided
Focus Areas
Mindfield Consulting, a software development firm, was launched in 1999. The company offers Custom Software Development and Business Consulting, and is small.
Read more -
$50,000+$50 - $99 / hr50 - 249Ljubljana, Slovenia
Services provided
Focus Areas
Agitavit Solutions, a software development firm, was founded in 2003. The company provides Custom Software Development and Mobile App Development, and is midsize.
Read more -
$10,000+$25 - $49 / hr10 - 49
Services provided
Focus Areas
Room 505 is an AR/VR development company. The small Kropyvnytskyi, Ukraine-based team focuses on AR/VR development and Custom Software Development. The company was founded in 2015.
Read more -
$5,000+$100 - $149 / hr10 - 49El Segundo, CA
Services provided
Focus Areas
AR/VR development company RealityMatters Inc. Is located in El Segundo, California and Mechelen, Belgium. They focus on AR/VR development and Custom Software Development and were founded in 2007.
Read more -
Undisclosed$25 - $49 / hr50 - 249Kyiv, Ukraine
Services provided
Focus Areas
PNN Soft, a custom software development firm, specializes in Custom Software Development and Mobile App Development. The company is headquartered in Kyiv, Ukraine and London, England.
Read more -
$1,000+$50 - $99 / hr2 - 9Doral, FL
Services provided
Focus Areas
See all 7 projects305Apps is a bespoke software development company specializing in custom software creation with a strong focus on secure financial technology. The company has received overwhelmingly positive feedback, with 100% of reviews highlighting their expertise in security and effective project management, although some noted the need for improved initial project estimations.
-
$25,000+Undisclosed50 - 249L'viv, Ukraine
Services provided
Focus Areas
Founded in 2008, devspiration is a midsize L'viv, Ukraine-based custom software development company. Their team focuses on Custom Software Development and Web Development.
Read more -
$10,000+$25 - $49 / hr10 - 49Lahore, Pakistan
Services provided
Focus Areas
Launched in 2025, Process Junction Pvt Ltd is a small custom software development company. Their team provides Custom Software Development and API Development.
Read more -
$5,000+$25 - $49 / hr50 - 249Amsterdam, Netherlands
Services provided
Focus Areas
HYS Enterprise is a midsize software development firm founded in 2007. Their services include Custom Software Development and Enterprise App Modernization.
Read more -
$5,000+$100 - $149 / hr50 - 249Dublin, Ireland
Services provided
Focus Areas
Cyrex Ltd., a custom software development company, was launched in 2015. The midsize team provides Custom Software Development and Application Testing.
Read more -
$10,000+$50 - $99 / hr10 - 49Lahore, Pakistan
Services provided
Focus Areas
Eteksol is a custom software development company located in Lahore, Pakistan. Founded in 2005, the team provides Custom Software Development and Web Development.
Read more -
Undisclosed$100 - $149 / hr50 - 249Lenexa, KS
Services provided
Focus Areas
Keyhole Software is a software development company based in Lenexa, Kansas. Their services include Custom Software Development and Enterprise App Modernization.
Read more -
$25,000+$50 - $99 / hr2 - 9
Services provided
Focus Areas
Data Safety Expert Company is a custom software development firm. The small Piatra Neamt, Romania-based team focuses on Custom Software Development and Web Development. The firm was launched in
Read more -
$10,000+$50 - $99 / hr2 - 9București, Romania
Services provided
Focus Areas
ASTRALBYTE is a custom software development company. The București, Romania-based team focuses on Custom Software Development and cloud consulting & SI.
Read more -
$1,000+$25 - $49 / hr50 - 249Mumbai, India
Services provided
Focus Areas
See all 3 projectsXanthus Innovations is a web development company known for designing and developing user-friendly and visually appealing websites. Reviews highlight their exceptional project management, with 100% of clients noting their professionalism, timely delivery, and proactive communication. Their commitment to meeting client needs and enhancing user experience results in high client satisfaction and increased website traffic.
-
$5,000+$50 - $99 / hr10 - 49Cambridge, England
Services provided
Focus Areas
See all 2 projectsJournai is a Custom Software Development company specializing in tailored software solutions and full-stack software development. Reviewers consistently praise Journai's technical expertise, seamless communication, and ability to deliver impactful solutions, with 90% positive feedback highlighting their human-centered design and proactive approach. Clients appreciate their commitment to understanding specific needs and delivering efficient, high-quality results, although some suggest minor improvements in documentation and onboarding resources.
-
$5,000+$25 - $49 / hr10 - 49Prague, Czech Republic
Services provided
Focus Areas
Valatron, a custom software development company, was launched in 2015. The small team focuses on Custom Software Development and Web Development.
Read more -
$10,000+$50 - $99 / hr10 - 49Peterborough, England
Services provided
Focus Areas
BSPOKE Software is a Peterborough, England-based custom software development firm. Launched in 2012, the team provides Custom Software Development.
Read more -
$5,000+< $25 / hr10 - 49London, England
Services provided
Focus Areas
ElysianTree is a small London, England-based custom software development firm. The team offers Custom Software Development and Web Development.
Read more -
$25,000+$100 - $149 / hr10 - 49Madison, WI
Services provided
Focus Areas
Filament Games, a software development firm, was launched in 2005. The team focuses on Custom Software Development and AR/VR development.
Read more -
$50,000+$50 - $99 / hr50 - 249Lisbon, Portugal
Services provided
Focus Areas
Based in Lisbon, Portugal, Nexllence is a midsize custom software development company. The team offers Custom Software Development and Web Development.
Read more -
$10,000+$25 - $49 / hr10 - 49Dombivli, India
Services provided
Focus Areas
See all 1 projectsOmega Softwares specializes in Custom Software Creation and offers tailored software solutions, demonstrating expertise in Full Stack Software Development and managed projects. They are highly regarded for their reliability, with 100% of reviewers praising their responsiveness and commitment to long-term relationships. Clients appreciate their proactive communication, though initial onboarding processes were noted as an area for improvement.
Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.
Get My Matches
Tell us what you need — we’ll match you with top agencies in minutes.
Get My MatchesWhy Trust Clutch
At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.
Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.
We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
- Comprehensive project details
- Market presence
- Portfolio examples and industry recognition
This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.
We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.
Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.
List of the Top 15 C# Development Companies
-
$25,000+$50 - $99 / hr250 - 999Gliwice, Poland
Ability to deliver
39.1/40.019.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
35% Custom Software Development40% C#65% Other -
$25,000+< $25 / hr1,000 - 9,999Ahmedabad, India
Ability to deliver
37.6/40.017.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
50% Custom Software Development20% C#50% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Custom Software Development22% C#85% Other -
$50,000+$50 - $99 / hr250 - 999Nashville, TN
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Custom Software Development70% C#60% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
40% Custom Software Development20% C#60% Other -
$50,000+$50 - $99 / hr250 - 999Novi Sad, Serbia
Ability to deliver
38.2/40.018.6/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Custom Software Development20% C#40% Other -
$10,000+$25 - $49 / hr250 - 999L'viv, Ukraine
Ability to deliver
37.2/40.017.6/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
35% Custom Software Development25% C#65% Other -
$25,000+$25 - $49 / hr250 - 999
Ability to deliver
36.7/40.016.8/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
30% Custom Software Development30% C#70% Other -
$50,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
35.4/40.015.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
50% Custom Software Development100% C#50% Other -
$50,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
36/40.016.6/20 Reviews9.8/10 Clients & Experience9.6/10 Market PresenceService focus
35% Custom Software Development30% C#65% Other -
$50,000+$25 - $49 / hr250 - 999Kansas City, KS
Ability to deliver
36.5/40.016.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
30% Custom Software Development30% C#70% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
37.4/40.017.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% Custom Software Development22% C#80% Other -
$50,000+$25 - $49 / hr1,000 - 9,999Vienna, VA
Ability to deliver
36.6/40.016.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Custom Software Development20% C#70% Other -
$50,000+$50 - $99 / hr10 - 49Langhorne, PA
Ability to deliver
35.8/40.017.6/20 Reviews10/10 Clients & Experience8.2/10 Market PresenceService focus
55% Custom Software Development65% C#45% Other -
$10,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
38.4/40.019.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
30% Custom Software Development20% C#70% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Boca Raton, FL
Ability to deliver
39/40.019.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Custom Software Development10% C#70% Other -
$5,000+$25 - $49 / hr250 - 999Kolkata, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
30% Custom Software Development10% C#70% Other -
$25,000+$50 - $99 / hr1,000 - 9,999Tallinn, Estonia
Ability to deliver
35.8/40.015.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
50% Custom Software Development20% C#50% Other -
$1,000+$100 - $149 / hr10 - 49Denver, CO
Ability to deliver
36.7/40.017.6/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
70% Custom Software Development40% C#30% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
38.3/40.019.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
20% Custom Software Development60% C#80% Other -
$5,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
38.9/40.020/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
60% Custom Software Development10% C#40% Other -
$10,000+$50 - $99 / hr50 - 249Naarden, Netherlands
Ability to deliver
35.6/40.017/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
40% Custom Software Development50% C#60% Other -
$10,000+$25 - $49 / hr250 - 999Rzeszów, Poland
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
25% Custom Software Development15% C#75% Other -
$10,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
36.8/40.017.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Custom Software Development45% C#80% Other -
$5,000+$50 - $99 / hr10 - 49Rīga, Latvia
Ability to deliver
33.9/40.016.6/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
60% Custom Software Development60% C#40% Other -
$10,000+$25 - $49 / hr50 - 249Cape Town, South Africa
Ability to deliver
34.9/40.015.8/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
40% Custom Software Development55% C#60% Other -
$50,000+$25 - $49 / hr250 - 999Sofia, Bulgaria
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
25% Custom Software Development10% C#75% Other -
$50,000+$150 - $199 / hr10 - 49Ottawa, Canada
Ability to deliver
36.2/40.016.6/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
35% Custom Software Development100% C#65% Other -
$5,000+$50 - $99 / hr250 - 999McKinney, TX
Ability to deliver
38/40.018/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Custom Software Development10% C#60% Other -
$25,000+$50 - $99 / hr50 - 249Houston, TX
Ability to deliver
37.3/40.017.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Custom Software Development50% C#80% Other
Latest C Sharp Articles
See all articles
How to Vet a Software Development Agency in 2026: 8 Signals That Actually Predict Project Success
Does the agency live up to its proposal? These eight signals help you tell the difference before you sign anything.
C# Developer FAQs
C# development companies help businesses and organizations build modern software using C#, a general-purpose high-level programming language known for creative, scalable, and robust solutions. They work closely with the client to design, deploy, and optimize cutting-edge applications. These service providers are primarily focused on .NET environment-based development, ensuring that the software runs seamlessly on different platforms such as desktop, mobile, and/or cloud.
Most C# development providers also leverage several key technologies crucial to the C# environment, including Azure, SQL Server, and Xamarin. Essentially, they aim to create bespoke software that’s efficient, reliable, and cost-effective.
C# development companies offer a vast range of services, from comprehensive software development to deployment and optimization. Here are some services you can expect:
- Custom C# software design and development
- Web application development
- Mobile application development
- Cloud-based application development
- Migration and modernization
- Performance optimization and maintenance
- QA testing
- Third-party API integration
When choosing the right service provider, look for one with proven expertise in the type of service you need.
Choosing the right C# development firm can be difficult, considering the number of options available in the market. Having a clear understanding of your project’s unique requirements, budget limitations, and goals, as well as knowing the key factors to consider, is crucial to narrowing your options. Here are some key criteria to consider:
- Proven C#/.NET expertise
- Certifications
- Tech stack compatibility
- Security and compliance
- Team structure
- Communication and collaboration fit
Additionally, you can find out more about the best C# development companies on Clutch by carefully assessing the verified client reviews and case studies we have collected. The filters and resources we’ve prepared can also help you confidently make an informed agency decision.
- What is your experience with C#, .NET, and other key technologies required for our project?
- Have you worked on a past project that is similar to ours?
- How do you handle code QA testing and CI/CD?
- Can you tell us how your team handles sensitive data, authentication, and authorization?
- How do you handle post-launch support and maintenance?
- What is your communication and reporting process?
Asking crucial questions can help you assess their work and ensure they align with your needs. Don’t hesitate to ask follow-up questions or clarifications on any point when you discuss your project with them.
The cost of hiring a professional C# development company typically range from $25 to $49 per hour; however, a myriad of factors influence the price, including the type and complexity of the software, the size of the team, and the scope of the project.
Additionally, the service providers’ location plays a huge part in determining costs. For instance, developers based in the United States and Western Europe may charge between $100 – $149 per hour, while those based in the Philippines, Ukraine, and Mexico charge $25 – $49 per hour. Find out more about C# and software development pricing here: Software Development Company Pricing Guide