Top C# Development Companies

Building dynamic, high-performance applications requires the expertise of skilled C# developers who understand both the intricacies of the language and the needs of your business. Whether you're developing desktop applications, enterprise software, or web services, leading C# development companies provide tailored solutions designed for scalability, reliability, and security. Trusted C# experts bring deep technical knowledge to every project, ensuring optimized code and smooth integration. A reliable C# Service Providers or custom software development partner can help turn your unique ideas into robust, efficient applications. Explore our curated list to find the right C# development team for your next software project.
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Last Updated: September 09, 2025

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5142 Companies

List of Top C# Service Providers | Best C# Developers

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MobileUp

Mobile App Development. Spot on.

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MobileUp is a Russia-based leading software development company specializing in iOS app development. It offers comprehensive services, including code audit, refactoring, app creation from scratch, and ongoing project support. MobileUp emphasizes thorough UX/UI analysis, high-quality coding standards, and rapid MVP releases to gather user feedback early. Utilizing advanced technologies like Swift, ... read more about MobileUp

Employees

10 - 49
Hourly Rate

$25 - $49/hr

Project Cost

NA
Location

Russia

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Inwizards Software Technology is a leading US-based software development company dedicated to helping businesses embrace digital transformation and achieve remarkable success. We specialize in a wide array of services, including IT consulting, custom software development, digital marketing, SEO, product development, mobile app development, and much more. At Inwizards, we are committed to deliverin... read more about Inwizards Software Technology

Employees

50 - 249
Hourly Rate

$25 - $49/hr

Project Cost

$5000 - $10000
Location

India

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AccelOne

Seattle, LV, AZ Software Development Company

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AccelOne, headquartered in Argentina, is a distinguished software development and technical staffing company. The company prides itself on delivering superior technical solutions through a unique blend of talent, experience, and innovation. AccelOne's mission is to offer companies significant technical advantages by emphasizing transparency, accountability, and responsiveness in its approach. Acce... read more about AccelOne

Employees

50 - 249
Hourly Rate

$50 - $99/hr

Project Cost

$10000 - $25000
Location

United States

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Magnise

Software Development Partner

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Magnise is a forward-thinking software development company that specializes in crafting innovative and scalable technological solutions tailored to the unique needs of businesses. With a rich history of collaboration across various industries, Magnise leverages cutting-edge technologies to deliver custom software development, mobile application creation, and cloud solutions. The company's expertis... read more about Magnise

Employees

50 - 249
Hourly Rate

$50 - $99/hr

Project Cost

$10000 - $25000
Location

Netherlands

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Sidekick Interactive

Native mobile apps that solve complex problems.

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Sidekick Interactive is a forward-thinking company that specializes in creating cutting-edge mobile applications and digital solutions designed to enhance user engagement and streamline business processes. With a keen focus on innovation, Sidekick Interactive leverages the latest technologies to develop custom apps that cater to the unique needs of its clients, ranging from startups to established... read more about Sidekick Interactive

Employees

10 - 49
Hourly Rate

$100 - $149/hr

Project Cost

>$100000
Location

Canada

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MVP Factory

We build and scale digital products & ventures.

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MVP Factory is a pioneering digital product and venture builder with a specialization in turning innovative ideas into scalable digital solutions. With a keen eye for market trends and a deep understanding of the digital landscape, MVP Factory collaborates closely with entrepreneurs and businesses to build, launch, and scale high-impact digital products. Its approach combines strategic insight, cu... read more about MVP Factory

Employees

50 - 249
Hourly Rate

NA

Project Cost

>$100000
Location

Germany

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Netgen Custom Software

CUSTOM SOFTWARE DEVELOPMENT TO SUIT YOUR BUSINESS

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Netgen Custom Software is a distinguished custom software development company known for its bespoke solutions tailored to meet the specific needs of businesses across various industries. With a rich history of innovation and expertise, its team of seasoned developers and technical architects specializes in creating software that is not only functional but also strategically aligned with its client... read more about Netgen Custom Software

Employees

10 - 49
Hourly Rate

$25 - $49/hr

Project Cost

< $5000
Location

South Africa

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Manao Software

Professional Software Development Outsourcing

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Manao Software distinguishes itself as a beacon of innovation in the software development industry, providing tailored solutions that drive success for businesses around the globe. Nestled at the intersection of technology and creativity, this company prides itself on delivering bespoke software that not only meets but exceeds client expectations. From web applications to custom software projects,... read more about Manao Software

Employees

50 - 249
Hourly Rate

$25 - $49/hr

Project Cost

$5000 - $10000
Location

Thailand

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Armada Labs

Financial Software Development Services

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Armada Labs stands at the pinnacle of financial software development, offering bespoke solutions that revolutionize the way businesses approach finance and lending. With a keen focus on innovation, Armada Labs employs cutting-edge technologies to design and deploy robust software platforms that cater to the complex needs of the finance sector, including credit decisioning, debt collection, payment... read more about Armada Labs

Employees

50 - 249
Hourly Rate

$50 - $99/hr

Project Cost

$10000 - $25000
Location

Belarus

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Webs Leagues

Webs Leagues

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Webs Leagues is your go-to agency for creating stunning restaurant websites that captivate your audience and drive reservations. We specialize in designing visually appealing, user-friendly sites tailored to the unique needs of the food industry. Our team ensures your restaurant's online presence is both engaging and functional, featuring easy-to-navigate menus, read more about Webs Leagues

Employees

50 - 249
Hourly Rate

NA

Project Cost

NA
Location

United States

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Code District

Top Custom Software Development Company in USA

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Code District is the leading software development company that aims to provide the best technology solutions. It brings together a great team to work with and make sure to provide top-notch services. We are also chosen partners for tech-based startups, growing businesses, and Fortune 500 enterprises alike, improving their working style and helping them to get the latest solutions read more about Code District

Employees

250 - 999
Hourly Rate

$25 - $49/hr

Project Cost

< $5000
Location

United States

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Huenei IT Services

Nearshore Software Development

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Huenei IT Services, founded in Argentina in 1995, is a reputable provider of IT and software development services, employing over 300 dedicated professionals across multiple regions. This company offers a comprehensive suite of services, including custom software development, IT consulting, project management, staff augmentation, and testing. Huenei prides itself on its extensive industry experien... read more about Huenei IT Services

Employees

250 - 999
Hourly Rate

$25 - $49/hr

Project Cost

>$100000
Location

Argentina

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TangoCode

Custom Tools for Digital Transformation

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If you are looking for a top-tier software development company, look no more. TangoCode is one of the top-class software development companies. It specializes in custom MarTech solutions. The company redefines traditional software development, ensuring 95% of projects are completed on time and within budget. By partnering with TangoCode, clients gain access to a portfolio of accelerators that enha... read more about TangoCode

Employees

10 - 49
Hourly Rate

$100 - $149/hr

Project Cost

>$100000
Location

United States

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Enosis Solutions

Software Development Services

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Enosis Solutions is a dynamic software development company that excels in crafting custom software, web, and mobile applications, along with quality assurance and testing services. The agency stands out for its commitment to understanding each client's unique business challenges and building robust software critical to their organizations. With a team of dedicated software experts, Enosis prides i... read more about Enosis Solutions

Employees

250 - 999
Hourly Rate

<$25/hr

Project Cost

$5000 - $10000
Location

Bangladesh

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Visionnaire Technologies

Software Development

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Visionnaire Technologies is a renowned technology company that specializes in delivering innovative IT solutions and services. The company helps businesses transform digitally by offering custom software development, system integration, and IT consulting services. With a strong emphasis on understanding each client's unique needs, Visionnaire Technologies crafts tailored solutions that drive effic... read more about Visionnaire Technologies

Employees

50 - 249
Hourly Rate

$25 - $49/hr

Project Cost

$5000 - $10000
Location

Brazil

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Kyanon Digital

Digital Transformation & Agile Engineering

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Kyanon Digital stands out in the tech industry as a versatile and innovative provider of digital solutions, specializing in web app development, data analytics, and software integration. Its expertise encompasses cutting-edge domains such as machine learning and artificial intelligence, underpinning its capacity to deliver advanced software development projects, including Drupal and mobile app dev... read more about Kyanon Digital

Employees

250 - 999
Hourly Rate

$25 - $49/hr

Project Cost

$10000 - $25000
Location

Vietnam

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TYMIQ

Reliable Software Development Company

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Reliable Software Development Company Helping mid-size and large companies fulfill complex technical tasks around digitalization and automation of their systems and processes. ‍We are proud of our experience in custom software development and trustworthy relationships we build with our clients. Achieve your business goals by creating innovative digital solutions with our software developmen... read more about TYMIQ

Employees

50 - 249
Hourly Rate

$100 - $149/hr

Project Cost

NA
Location

Poland

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In Time Tec South Korea

Software Development Company in South Korea

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Founded in 2009, In Time Tec is an award-winning software development and IT company with a team of expert software developers and technology enthusiasts who always believe in delivering high value and security to clients. We are a group of over a thousand software engineers and consultants with clients all over the world. Since our inception, we have been progressing on the mission of “Creat... read more about In Time Tec South Korea

Employees

1,000 - 9,999
Hourly Rate

$25 - $49/hr

Project Cost

$5000 - $10000
Location

South Korea

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Sprinterra

Acumatica Services and Software Development Company

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Sprinterra is one of the top Acumatica development and service partners, offering range of tech solutions, data management, AI & ML services. Sprinterra is a leading provider of Acumatica development and tech solutions. Powered by our extensive expertise in Acumatica, we help you deliver top-quality, cost-effective Learn more : https://www.sprinterra.com/ read more about Sprinterra

Employees

50 - 249
Hourly Rate

NA

Project Cost

NA
Location

United States

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FOONKIE MONKEY

A trusted Technology Partner. We love innovation

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FOONKIE MONKEY is an innovative software development company that specializes in creating custom digital solutions to meet diverse business needs. With a team of skilled professionals, the company has successfully delivered dozens of projects to clients across various industries. FOONKIE MONKEY's core services include mobile app development, web development, and UX/UI design, ensuring a seamless a... read more about FOONKIE MONKEY

Employees

50 - 249
Hourly Rate

$25 - $49/hr

Project Cost

$25000 - $50000
Location

United States

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Phontinent Technologies

Solutions for Demanding Business

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Phontinent Technologies has emerged as a prominent IT company specializing in web and mobile app development. Known for its innovative solutions that drive business growth worldwide, Phontinent prides itself on creating apps that leave a significant impact. Operating with a motto of "You Imagine We Develop," the company ensures a perfect blend of imagination and technology in its services. Caterin... read more about Phontinent Technologies

Employees

50 - 249
Hourly Rate

$25 - $49/hr

Project Cost

$5000 - $10000
Location

India

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Custom D

App Development, AWS Consulting, Blockchain

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Custom D, originating from Digital Fusion, evolved into a specialized web development firm in October 2014, recognizing the need for a distinct brand to highlight its web development capabilities. With nearly two decades of experience, the company, based in Christchurch and Sydney, has built a reputation for crafting bespoke web and mobile applications. Custom D stands out for its people-centric a... read more about Custom D

Employees

10 - 49
Hourly Rate

$150 - $199/hr

Project Cost

$10000 - $25000
Location

New Zealand

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AntPack

We create & market technology with passion & craft

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AntPack is an innovative technology company that has carved out a niche for itself by delivering cutting-edge digital solutions tailored to the modern business landscape. With a core focus on developing robust software, websites, platforms, middleware, and digital products with emerging techs, AntPack prides itself on its ability to harness the power of the latest technologies to solve complex pro... read more about AntPack

Employees

50 - 249
Hourly Rate

$50 - $99/hr

Project Cost

< $5000
Location

Colombia

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FIRST FACTORY

Built With Honesty, Integrity & Quality

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FIRST FACTORY distinguishes itself in the tech industry as a nearshore software development powerhouse, adept at bridging the gap between complex digital challenges and innovative solutions. Specializing in providing top-tier software development services, the company excels in custom software creation, mobile app development, and enhancing user experience through intuitive UI/UX design. Its nears... read more about FIRST FACTORY

Employees

50 - 249
Hourly Rate

$50 - $99/hr

Project Cost

>$100000
Location

Costa Rica

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Inova

Top Expert in Mobile & Web development

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Inova is a top-tier mobile app and web development agency committed to transforming ideas into digital realities. With a strong emphasis on innovation, user experience, and cutting-edge technology, Inova specializes in creating bespoke digital solutions that drive engagement, enhance operational efficiency, and open new avenues for business growth across various sectors. Its portfolio spans a wide... read more about Inova

Employees

50 - 249
Hourly Rate

$25 - $49/hr

Project Cost

$10000 - $25000
Location

Egypt

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