Top 10 C# Development Companies in 2025

Some of the top C# development companies, often recognized for their expertise and client satisfaction, include eSparkBiz, TheoremOne, CShark and Trinetix.

Agrawal-Jigar-SEO
Jigar Agrawal Digital Growth Hacker, eSparkBiz
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Quick Summary :- In this age of digitalization, it really helps to stay up-to-date with the emerging frameworks and technologies to provide excellent customer support. Being current means providing solutions for the enterprises that fit their customers' needs and expectations. Let us find the best technology partner for your company. In this article, we list some of the top C# Development companies.

C# is a modern programming language developed mostly by Microsoft within the .NET framework. It has been in the limelight since the early 2000s as a modern object-oriented language. C# combines some features of C and C++ with those of other modern programming languages, including Java.

C# allows a developer to build applications that work on many platforms, including Windows, web, mobile, and gaming applications. While working with C# and its associated frameworks, IT companies can ensure that quality software is being produced. C# has a good standing in the programming world. 

TIOBE Index for October

As per the TIOBE Index for October 2025, C# ranks as the fifth most popular programming language, holding a 6.94% rating. This highlights its growing influence and consistent demand in today’s evolving software development landscape.

Let us help you find the right C# company to help you succeed through this article.

List of Top 10 Reputed C# Development Companies – November 2025 Rankings

Here is the tabular representation on the overview of Top C# Development Companies.

Sr. No. Company Name Employees Clutch Rating Hourly Rate Years Of Exp.
1 eSparkBiz 400+ 4.9 $12 to $25/hr 15+ years
2 TheoremOne 250+ 5.0 $150 to $199/hr 17+ years
3 Glorium Technologies 250+ 4.8 $50 – $99/hr 14+ years
4 CShark 1000+ 4.9 $50 to $99/hr 11+ years
5 UplineSoft 250+ 5.0 $25 – $49/hr 4+ years
6 Software Mind 1000+ 4.9 $50 – $99/hr 25+ years
7 New Line Technologies 250+ 4.9 $25 – $49/hr 15+ years
8 Emergent Software 250+ 4.9 $150 to $199/hr 9+ years
9 HatchWorks 250+ 4.9 $50 to $99/hr 8+ years
10 Trinetix 1000+ 5.0 $50 to $99/hr 13+ years

After going through the table, now you have an overview of the top 10 C# Development Companies which offer the facility of C# solution.

So let’s dive into each one of them in detail.

eSprkabiz

eSparkBiz is a renowned software development firm that operates offices in India, Malaysia, and Chicago. With 15+ years of experience, it has established itself as a prominent player in the industry. As a CMMI Level-3 certified company, eSparkBiz focuses on providing technology solutions and supporting clients throughout their business growth journey.

eSparkBiz is an ISO 27001-certified firm. Their team of 400+ professionals has expertise in numerous technologies like .Net, C#, DevOps, AI/ML, Blockchain, AR/VR, and IoT.

They have an impressive track record of serving over 500 clients across 20+ countries, with a client retention rate of 95%. Notably, they have received exceptional ratings of 5.0 on HubSpot, further validating their commitment to quality.

Achievements:

USPs Values
Clutch Rating 4.9
Experience 15+ years
Projects Completed 1000+
Pricing $12 – $25/hr
Time Zone Availability GMT, ECT, MET, IST, JST, ACT, AET, NST, PST, CST, EST
Min Project Size $5000+
Employees 400+
Google Rating 4.2
HQ Ahmedabad, India
Design Rush Rating 4.5
Good Firm Rating 5.0

They’re proactive, pointing out issues that need to be addressed and collaborating with us to find the right solution.

Tech Lead, Food & Beverage Company Tawfik Hussein
Top 10 C# Development Companies in 2025

2. TheoremOne

Theoremone

TheoremOne is ranked as one of the top C# development companies and professional services in custom software solutions. Their processes are adapted to suit each particular project and are completed by a distributed team of experts. They are well known for their passion and quality and work with industry giants such as Microsoft, Google and Intel.

As the best C# development company, TheoremOne can provide value through a focus on innovation, continuous improvement and extreme ownership. This way, they ensure the service is exceptional and their clients get to find the best outcomes in different industries.

USPs Values
Clutch Rating 5.0
Experience 17+ years
Pricing $150 to $199 / hr
Min Project Size $100000+
Employees 250+
Google Rating 2.6
HQ Los Angeles, CA

Their committment to get the end product right and to be flexible when the situation required.

Director of Data, Analytics & AI, Cox2M, GearTrack, & Kayo Josh Horton

3. Glorium Technologies

Glorium Technologies

Glorium Technologies is a leading software development company known for its expertise in delivering innovative technology solutions to businesses worldwide. Their team of software engineers, designers, project managers, etc., provide software solutions that meet client requirements.

They offer various technology services like custom software development, web development, mobile app development, product design, QA, etc. Glorium Technologies offers top-notch C# development services. Their C# team is an expert in providing customized solutions. They excel in web and mobile applications, consulting, etc. Glorium Technologies leverages C# to meet clients’ unique business requirements.

USPs Values
Clutch Rating 4.8
Experience 14+ years
Pricing $50 to $99 / hr
Time Zone Availability ECT, EET, EST
Min Project Size $25000+
Employees 250+
Google Rating 5.0
HQ Princeton, NJ
Design Rush Rating 4.9
Good Firm Rating 5.0

We really liked the professionalism and attainability of Glorium Technologies.

CEO, Helpware Inc. Maksym Kukhta

4. CShark

CShark

CShark is a leading technology consulting and software development company founded in 2014. It is known for its expertise in delivering tech solutions. CShark’s expertise extends to various technologies and frameworks, including but not limited to C#, .NET, Python, Java, Angular, React, and cloud platforms such as AWS and Azure.

Their team adopts best practices to deliver state-of-the-art solutions. CShark’s C# development services encompass many solutions tailored to meet clients’ needs. CShark is a good pick if you are looking for the top C# development companies.

USPs Values
Clutch Rating 4.9
Experience 11+ years
Pricing $50 to $99 / hr
Time Zone Availability PST, MST, CST, EST
Min Project Size $50000+
Employees 250+
Google Rating 4.8
HQ Wrocław, Poland
Design Rush Rating 4.3
Good Firm Rating 4.9

The most impressive thing about CSHARK is their ability to react quickly and efficiently.

Software Architect, regenHU Ltd. Samuel Gilliéron

Are you planning to build applications for Microsoft platforms? eSparkBiz is a reputed .net development company that will help you to turn your idea into reality. Connect with you now !!

5. UplineSoft

Uplinesoft

In the Top C# Development Companies list, UplineSoft carves its place by creating innovative solutions for verticals ranging from business segments to markets. The company employs over 250 skilled professionals and boasts over 120+ successful projects completed. Through a multitude of services including but not limited to IT consulting, outsourcing, and team augmentation.

The company UplineSoft is recognized as the Best C# Development Company. Being a reliable partner they are dedicated to sustainability and client-centric practices. UplineSoft has a proven track record of developing VR simulators for enterprise systems – using expertise and innovation to exceed customers’ expectations and sustain long-term partnerships.

USPs Values
Clutch Rating 5.0
Experience 4+ years
Pricing $25 – $49 / hr
Time Zone Availability EST
Min Project Size $5000+
Employees 250+
Design Rush Rating 4.9
Good Firm Rating 5.0

Uplinesoft had excellent and effective communication with our clients.

Co-Founder & CEO, HTD Health Zachary Markin

💡 Fun Fact about C#

The name “C#” comes from musical notation, where “♯” means “one step higher,” representing C# as an advanced evolution of C++.

6. Software Mind

Software Mind

Software Mind is a software development company that specializes in delivering technology solutions to businesses across various industries. With its headquarters in Poland, Software Mind has established itself as a trusted partner for businesses.

They offer various services like software development services, digital transformation services, cloud consulting, data science, UI/UX, cybersecurity, etc. Software Mind offers exceptional C# development services. With their experienced team of C# developers, they provide robust and scalable solutions using the C# programming language.

USPs Values
Clutch Rating 4.9
Experience 25+ years
Pricing $50 to $99 / hr
Time Zone Availability GMT, UTC, ECT, EET, JST, ACT, AET, NST, PST, PNT, AGT, BET
Min Project Size $50000+
Employees 1000+
Google Rating 3.8
HQ Kraków, Poland

There is a willingness to go above and beyond and provide insights and learnings on other innovations.

Director of Engineering, Retail Insight Ian McDonald

7. New Line Technologies

New Line Technologies

New Line Technologies, based in Ukraine, is a renowned software development company that provides innovative technology solutions to businesses. It prides itself on its expertise in dedicated domains such as Real-Time Multimedia, Fintech, Online Education, and Insurance Healthcare.

Their specialization in these areas allows them to deliver tailored solutions that address the specific needs and challenges of businesses operating in these industries.

At New Line Technologies, web and mobile application development is a passion, and they possess extensive and unique experience in this domain. Using their expertise in C#, they offer excellent software development solutions to their clients.

USPs Values
Clutch Rating 4.9
Experience 15+ years
Pricing $25 – $49 / hr
Min Project Size $25000+
Employees 250+
Google Rating 4.9
HQ Kharkiv , Ukraine
Good Firm Rating 5.0

We were impressed with their agility, flexibility, proficiency, and transparency in all project stages.

CEO, Efisco Sp. z o.o. Alexandre Yakovlev

Related Post: Top Laravel Development Companies

8. Emergent Software

Emergent Software

Emergent Software is a prestigious software development company offering numerous services to businesses. Their services include custom software development, web and mobile application development, software integrations, SharePoint consulting services, staffing services, cloud solutions, and more.

Their expertise includes .NET, C#, Java, JavaScript, Angular, React, Node.js, Xamarin, and SQL Server.

It offers complete C# technology services to companies seeking specialized and efficient solutions. They produce dependable software products that satisfy client requirements, thanks to their competence in C# development.

USPs Values
Clutch Rating 4.9
Experience 9+ years
Pricing $150 to $199 / hr
Time Zone Availability CST, EST, MST, PST
Min Project Size $25000+
Employees 250+
Google Rating 4.7
HQ Minneapolis, MN
Design Rush Rating 3.9
Good Firm Rating 4.9

Any time we have an issue with our production environment, they're swift to react and get solutions.

Senior IT Business Analyst, Pediatric Home Service Travis Davison

9. HatchWorks

Hatchworks

HatchWorks is recognized as one of the Top C# Development Companies, offering tailored software solutions with high scalability and innovation. Founded in 2016 in Atlanta, Georgia, HatchWorks bridges the gap between boutique firms and large-scale providers.

With a strategic nearshore expansion, the company ensures affordability and quality. Known as the Best C# Development Company HatchWorks delivers client-centric services, leveraging emerging technologies like Generative-Driven Development™ to accelerate outcomes. They have a very strong culture and expertise, which shows their high employee retention rate.

USPs Values
Clutch Rating 4.9
Experience 8+ years
Pricing $50 to $99 / hr
Time Zone Availability CST, EST, MST, PST
Min Project Size $25000+
Employees 250+
Google Rating 4.6
HQ Colombo, Sri Lanka
Design Rush Rating 4.9

Their thought-leadership in design and their ability to quickly pick up on what we were looking for from the platform.

CTO & President, iMercatus Holdings LLC Scott Gowdish

10. Trinetix

ESpark digital innovation agency professional services for digital transformation and product development.

Trinetix is a digital transformation company in the USA, having offices in Ukraine and Poland. Their specialties include but are not limited to UX design, blockchain development, intelligent automation, and mobile app development.

They cater to various industries like finance, accounting, logistics, healthcare, and agriculture. They have worked with well-known brands like McDonalds, Coca-Cola, P&G, etc.

Trinetixis is a leading provider of C# development services. They specialize in developing web and mobile applications, custom software solutions, and updating outdated systems using C#, thanks to their expert C# developers. They deliver high-quality, individualized solutions for businesses.

USPs Values
Clutch Rating 5.0
Experience 13+ years
Pricing $50 to $99 / hr
Min Project Size $50000+
Employees 250+
Google Rating 4.6
HQ Kyiv, Ukraine
Design Rush Rating 4.6

We were particularly impressed with the team’s output.

CTO, Guaranty Home Mortgage Corp. Michael Rhoden

Why You Should Work With These Top C# Development Firms in 2025

By partnering with the Top C# Development Companies, you onboard World-class solutions for your business. They have expertise, experience and innovation, and they can deliver high-quality applications.

Expertise in C# Development

When you work with the Best C# Development Company, you are leveraging the years of experience that this team possesses. With top-tier coding skills, they can help make your project successful.

Advanced Tools and Technology

Using the most effective tools, these firms are superior performers and more efficient. You’ll get faster delivery and seamless functionality in your applications.

Customized Solutions

You can be confident that solutions are adapted to suit your specific needs by top C# developers. With unique, user-focused results they guarantee your project stands out.

High Code Quality

You should expect that code to be robust, scalable, and bug-free. The benefit of this is that these companies focus on quality, meaning that your software does its job to the best of its ability.

Timely Delivery

Top firms have a focus on deadlines, so you can be assured that your project is completed on time. They are very good for project management; their processes are streamlined

Top 10 C# Development Companies in 2025-1

Conclusion

In conclusion, businesses must adopt the right technology at the right time to achieve great results. One technology that has proven to be highly beneficial for software development is C#. By partnering with a reputable C# development company, businesses can unlock a world of possibilities in their software development endeavors.

Such companies are well-equipped to develop solutions that align with the business goals. This article will help you find the best C# Development Company for your business.

Jigar Agrawal

Digital Growth Hacker, eSparkBiz

Jigar Agrawal is Digital Marketing Manager at eSparkBiz Technologies. He is passionate about anything related to Trending Technologies. Wants to unlock the world of Technology and Social Media where every day there is a chance of new possibility as well as innovation.
Frequently Asked Questions
  1. Which big companies use C#?

    Big companies like Microsoft, Stack Overflow, Alibaba, Accenture, Trust Pilot, etc., use C#.

  2. What is the hourly rate of a C# Developer in India?

    The hourly rate of a C# Developers in India are between $12 - $30.

  3. Are C# developers in demand?

    Employers are always searching for experts in .NET and C# programming, as these technologies have become increasingly prevalent in enterprise-level applications.

  4. Is C# a good choice for large-scale applications?

    Yes, C# is very efficient at building large-scale enterprise-level applications. Top C# Development Services use its scalability, security features, and performance features to design scalable and secure applications that fulfil complex business needs.

  5. Do C# developers offer post-launch support?

    Yes, after the project is launched, Best C# Development Companies provide support for your project. They take care of updates, bug fixes, and all technical issues to make your software work flawlessly and keep your software up to date for long-term success.

  6. What industries do C# development companies serve?

    C# developers work across every industry like healthcare, finance, e-commerce, and many more. Top C# Development Companies make tailored solutions for various sectors to advance efficiency and address particular industry needs.

  7. Can a C# development company help with mobile app development?

    Absolutely. C# is used to create cross-platform mobile apps with the help of C# frameworks like Xamarin to develop high-performance mobile apps for various devices with the best user experience.

  8. Are these C# development companies suitable for small businesses?

    Yes, the Best C# Development Company provides solutions that fit businesses of any size. They provide cheap, scalable and efficient services for small businesses to use in growing without sacrificing quality or performance.

  9. How do C# developers ensure high-quality code?

    Best C# Development Companies are backed by industry best practices and strong quality standards. They are testing extensively, doing code reviews, using the latest development tools and maintaining clean, efficient and secure code.

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