Identifying proficient C# developers can indeed present a significant challenge, particularly when your organization requires software solutions that are not only reliable but also scalable and secure.
For developing enterprise applications, modernizing legacy systems, or introducing a new digital product to the market, it becomes imperative to select the appropriate development partner. This decision is crucial, as it can greatly influence the success and sustainability of your software initiatives.
In this blog, we’ve listed 10 trusted companies known for their expertise in C# development. These firms have strong technical teams, proven track records, and the ability to deliver high-quality solutions tailored to your goals. If you’re looking to hire C# developers, this list will help you make an informed decision.
Let’s begin!
Key Takeaways
Taking a closer look at these proven development companies
Uncovering the services of Capital Numbers Infotech
Looking at Sapphire Software solutions and Radixweb
Decoding the benefits of Dotsquares and Saristasa
Considering some additional tips to follow
A Closer Look at 10 Proven C# Development Companies
Here are the top ten companies where you can hire experienced C# developers for your project. These firms are recognized for their technical expertise, consistent delivery, and ability to build scalable, high-quality software solutions tailored to business needs.
1. Capital Numbers Infotech Limited
Website: www.capitalnumbers.com
Founded: 2012
Employees: 500+
Hourly Rate: <$25/hr
Notable Clients: Reuters, Tipalti, Cinepolis, Outlook, Isha, Consumer Reports, Nana Elici, DPD, Mphasis, and Stoneacre Motor Group.
Industry Expertise:Healthcare, banking & finance, real estate, entertainment, manufacturing, and others.
Awards and Recognitions: Excellence in Artificial Intelligence Solutions (Times Business Award 2025), Growth Leadership in Tech Services (Nasscom, 2025), Best Tech Brands (The Economic Times, 2024), Excellence in IT Services (Times Business Awards, 2024), Clutch Champion (2024), High-Growth Companies – Asia-Pacific (Financial Times, 2023), and others.
Certifications:ISO 9001 & ISO 27001 and SOC 2 Type II.
Case Studies: www.capitalnumbers.com/case-studies.php
Capital Numbers is a highly rated company that creates cutting-edge C# web applications, enterprise solutions, and cross-platform mobile apps. To date, they have earned several prestigious awards that showcase their commitment to excellence. Their C# programmers possess extensive technical knowledge and are trusted by 98% of CTOs. Capital Numbers offers an array of C# development solutions for the convenience of businesses.
Key Services:
C# Web Development
C# Windows Application Development
C# Mobile App Development
C# IoT Development
C# Cloud Development
C# SaaS Development
C# AI/ML Solutions
C# Migration
C# Support & Maintenance
Why Choose?
300+ shining 5-Star Reviews across Top B2B Review Platforms.
Received 50+ awards in the last 12 years.
Expertise in over 50 technologies.
Public Listed BSE.
Capital Numbers ensures the highest level of data security and integrity with ISO certifications.
Choose from Managed Teams, Staff Augmentation, or Fixed-Cost models based on your project’s requirements.
Flexible Delivery Models: Project-Based Development and Dedicated Development Teams.
Simple Hiring Process: Select C# Developers, Integrate Team into Your Projects, and Scale On-Demand.
Trusted partner of Salesforce, Adobe, and Microsoft.
All projects are protected under a signed NDA.
Intriguing Insights
This infographic shows the outsourcing development statistics
Industry Expertise:Healthcare, finance, retail, manufacturing, logistics, and others.
Awards and Recognitions: Top Reviewed B2B Partner (The Manifest Awards, 2022), Top Web Developers (Clutch, 2022), AtmaNirbhar Award (2021), and others.
Certifications:ISO 27001:2013
Case Studies: www.sapphiresolutions.net/case-studies
Sapphire Software Solutions is an established web and mobile app development company that provides a wide range of IT services. They provide domain-specific solutions to digital agencies, enterprises, and ISVs. You can hire their experienced C# developers for tailored solutions that ensure business growth. By choosing them, you can build modern applications that work well on every platform (web, cellphones, and desktops). They drive digital transformation by combining industry best practices with technology expertise.
Why Choose?
22+ years of experience.
Serving 20+ Fortune 500 Companies.
Accomplished more than 2800 projects.
300+ 5-Star Reviews.
95% Client Retention.
18+ industries served.
24*7 support team.
6+ global offices.
Hire in 48 hours.
Featured in Inc., Forbes, BBB, Mashable, and others.
On-time progress monitoring.
Time zone compatibility.
Dedicated delivery management.
Flexible Engagement Models: Fixed Price, Time and Material, Dedicated Team, and Buckets Approach.
Industry Expertise: Fintech, HRtech, edtech, retail & e-commerce, legaltech, manufacturing, healthcare, and others.
Awards and Recognitions: Global Outsourcing 100 (IAOP, 2024), Power Partner Award (Inc., 2023), Asia-Pacific Stevie Award Bronze (2023), Best IT Consulting Company Award (Globee Business Awards, 2022), and others.
Certifications: SOC Type 2, ISO 27001:2022, ISO 9001:2015, Microsoft Solutions Partner, and Great Place to Work.
Case Studies:https://radixweb.com/case-studies
Headquarters: Ahmedabad, India
Contact: biz@radixweb.in, +1-312-528-3083
Radixweb specializes in building engineering software products that enable businesses to create an impact. They are leading 3000+ businesses with unparalleled expertise in product engineering and data-driven digital transformation. Their C # development team is skilled at creating immersive web experiences and highly customized applications. They provide C # web development services that are bespoke, value-driven, and cost-effective to a variety of industries.
Interesting Facts The demand to hire C# developers is strong and growing, with developers using the language for various applications, including web development (ASP.NET), mobile apps (Xamarin), and custom software.
Key Services:
C# Windows Development
C# Mobile Development
C# Server-side Development
C# Web Development
C# PaaS Development
C# Cloud Development
C# SaaS Development
C# Integration Services
Why Choose?
25+ years in outsourcing.
4200+ business transformation collaborations.
97% Client Satisfaction Rate.
87% Client Retention Rate.
They have clients from Fortune 500 businesses.
30+ countries served.
Trusted by 98% of CTOs.
Dedicated CoEs for faster delivery.
Built-to-scale architecture to support innovation.
90% experts are trained in emerging technologies.
TOGAF certified experts.
CX-focused approach.
Round-the-clock support.
Flexible Engagement Models: Fixed Price, Time and Material, Milestone Billing, Dedicated Team, and Hybrid.
Partner of Microsoft Solutions, Google Cloud, and AWS.
4. Dotsquares
Website: www.dotsquares.com
Founded: 2002
Employees: 1000+
Hourly Rate: <$25-$49/hr
Notable Clients:Stanford University, Honda, Community Fibre, Just Eat, Fujitsu, Thomson Reuters, and others.
Industry Expertise:Travel & hospitality, media & entertainment, logistics, energy & utilities, food & beverage, automotive, and others.
Awards and Recognitions:Official Member of Forbes Technology Council (2024), Clutch Champion Spring (2024), Clutch 1000 (2023), Best Ecommerce Agency for Innovation and Entrepreneurship (2022), 20th Asian Achievers Awards, IT Awards (SME News, 2022), and others.
Certifications: ISO 27001, ISO 9001:2015, and CMMI Level 3.
Case Studies:www.dotsquares.com/casestudies
Headquarters: London, England
Contact: office@dotsquares.com, +44-208-0901819
Dotsquares is helping startups, SMEs, and large corporates expand their horizon through their cutting-edge solutions. They adopt an agile methodology while delivering end-to-end digital design and development services. Their proven processes guarantee a seamless journey from project kickoff to successful delivery and ongoing support. Dotsquares employs one of the best C# development teams, who use cutting-edge PHP technologies and frameworks to create high-quality applications.
Key Services:
.NET Integration Services
Web Application Development
Maintenance and Support
Mobile App Development
API Development and Integration
.NET Consulting
Why Choose?
23+ years in the business.
27000+ successful projects.
15000+ Happy Clients.
Fortune 500 Clients.
95% Customer Satisfaction.
1 Global Capability Center (GCC).
6+ offices worldwide.
On-time delivery.
4.8/5 rating on Clutch.
They follow an Agile Development Process.
By hiring them, you can achieve up to 70% cost savings, 80% productivity boost, and 95% threat prevention.
Flexible Engagement Models: Bucket Hire and Dedicated/Regular Hiring.
Partner of Microsoft Solutions, Hubspot, Zoho, Salesforce, Adobe Solution, and others.
They sign an NDA for the protection of sensitive and confidential data.
5. Saritasa
Website: www.saritasa.com
Founded: 2005
Employees: 206
Hourly Rate: <$100-$149/hr
Notable Clients:Sports Thread, Winegard, Makita, The Cheesecake Factory, and others.
Industry Expertise:Automotive, communications, construction, education, energy, and others.
Awards and Recognitions:Clutch 1000 (2024), Top Software Developers (Clutch, 2024), Inc. Power Partner (2023), Local Excellence Los Angeles (2022), and others.
Case Studies: https://www.saritasa.com/work
Headquarters: Irvine, USA
Contact: info@saritasa.com, +1-888-971-6758
Saritasa is another leading C Sharp development company that harnesses the potential of technology to make businesses smarter and faster. Their experts blend insightful strategy, purposeful design, and resourceful development to develop software solutions that align with business goals. They have handled a wide variety of C# development projects for several clients successfully. This has been ongoing for decades, showcasing their exceptional expertise.
Why Choose?
20 years of experience.
1769+ successful projects.
Caters to multiple industries.
Winner of several prestigious awards.
Featured in VentureBeat, Forbes, Tech Bullion, and others.
Partner of Microsoft, Medium One, AT&T, AWS, and others.
6. Shakuro
Website: shakuro.com
Founded: 2006
Employees: 150+
Hourly Rate: <$25-$49/hr
Notable Clients:Proko, Cubebrush, Swyft, Universal Music Group, ATX, and others.
Industry Expertise: Gaming, e-learning, fintech, healthcare, real estate, and others.
Awards and Recognitions:Top Design Company, United Arab Emirates (Clutch, 2024), Top Software Developers, United Arab Emirates (Clutch, 2024), Top App Development Company, United Arab Emirates (Clutch, 2024), and others.
Case Studies:shakuro.com/works
Headquarters: Dubai, UAE
Contact: hello@shakuro.com
Shakuro focuses on digital design and development, thereby helping clients to create their brand identity. They provide top-notch IT solutions to several startups and enterprises. Their C# developers adopt a flexible approach and are result-oriented when it comes to delivering solutions.
Key Services:
Custom Application Development
System Modernization & Migration
API Integration & Automation
Microservices & Cloud Solutions
Testing & Maintenance
Why Choose?
They have successfully executed over 500 projects across various industries.
18 years of expertise in the industry.
48+ companies have partnered with them.
5-Star rating on Clutch.
Awarded Honorable Mentions by Awwwards.
Their projects have earned ribbons on Behance.
7. Enlab
Website: enlabsoftware.com
Founded: 2013
Employees: 50-249
Hourly Rate: <$25-$49/hr
Notable Clients:Reuters, Tipalti, Cinepolis, Outlook, Isha, Consumer Reports, Nana Elici, DPD, Mphasis, and Stoneacre Motor Group.
Industry Expertise: MRU Consulting, VantagePoint Consulting, ECOM, and others.
Awards and Recognitions:Top Software Developers Vietnam (Clutch, 2024), Top .NET Developers Vietnam (Clutch, 2024), Top Software Development Company (GoodFirms), and others.
Case Studies: enlabsoftware.com/works
Da Nang, Vietnam
Contact: info@enlabsoftware.com, +84-364-360-601
Enlab Software facilitates digital transformation by offering agile offshore software development for startups, enterprises, digital agencies, and IT consulting vendors. Their charges aren’t that high since they are based in Vietnam. However, you can expect high-quality services because they use cutting-edge technology and provide solutions that are tailored to your needs.
Key Services:
End-to-end App Development
C# Web Development
C# Mobile App Development
C# Integration Services
C# Migration Services
C# Server-Side Development
C# Cloud Development
C# SaaS Development
C# Consulting and Development
Why Choose?
12 years of industry experience.
35+ clients ready to recommend them.
55+ projects delivered.
Agile Development.
Flexible Engagement Models: Project-based, Dedicated Team, and Staff Augmentation.
Industry Expertise: Healthcare & Life-Sciences, real estate & proptech, fintech & insurance, telecom & media, edtech & e-learning, and others.
Awards and Recognitions: Global Outsourcing 100 (IAOP, 2025), Top ERP Consulting Company (Clutch, 2025), Top Digital Transformation Company in Ukraine (Clutch, 2025), Clutch Global Fall (2024), Real Leaders Impact Awards (2023), and others.
Certifications:ISO 9001, ISO 13485, ISO 27001, AWS Partner, and Microsoft Partner.
Case Studies: gloriumtech.com/cases
Headquarters: Princeton, USA
Contact: +1-888-354-0883
Glorium Technologies is a reliable full-cycle app & software development company that covers particular business needs. It delivers the best technology solutions that drive innovation and accelerate business growth. Since their inception, they have assisted startups and SMBs in competing with large corporations and gaining a foothold. Their C# developers leverage the latest technologies to ensure a precise execution every time.
Why Choose?
14 years on the market.
150+ products delivered.
Client Satisfaction Rate: 99%.
Awards and Certifications: 60+.
Excellent reviews on various platforms.
Featured in Forbes, Inc., and Entrepreneur.
Flexible Cooperation Models: Staff Augmentation, Dedicated Team, and Outstaffing Services.
HIPAA, HITRUST, and GDPR.EU-compliant development and infrastructure.
NDA.
9. GP Solutions
Website: gpsolutions.com
Founded: 2002
Employees: 350+
Hourly Rate: <$25-$49/hr
Notable Clients:Air Canada, Dohop, Migros, Mercedes-Benz, Versonix, and others.
Industry Expertise:Banking and finance, travel and hospitality, healthcare, retail, e-learning, automotive, and others.
Awards and Recognitions:Clutch Champion Spring (2024), Top Software Developers Munich (2023), Top Java Developers Company (2022), European Business Awards (2019), and others.
Certifications:ISO 9001.
Case Studies: gpsolutions.com/portfolio
Headquarters: Unterschleissheim, Germany
Contact: +1-888-354-0883
GP Solutions offers a wide range of software solutions that fix business problems. Their fail-proof applications align with business processes and leverage the potential of digital transformation. They cater to multiple industries, and many of the world’s big brands have partnered with them. By choosing their C# developers, your application will get the features that will help you redefine the game.
Key Services:
C# Windows Development
C# Server-Side Development
C# Web Development
C# Mobile Development
C# Cloud Development
C# PaaS Development
C# Integration Services
C# SaaS Development
Why Choose?
20+ years in the business.
350+ IT professionals.
450+ successful IT projects.
50+ technologies in their stack.
300+ clients across more than 35 countries worldwide.
27+ dedicated teams on custom solutions.
Flexible Engagement Models: Staff Augmentation, Dedicated Teams, and Full Outsourcing.
Customer Retention Rate: 94%.
10. ManekTech
Website: www.manektech.com
Founded: 2011
Employees: 450+
Hourly Rate: <$25/hr
Notable Clients: Nestle, ABB, Adani, National Geographic, Kotak, and others.
Industry Expertise:Automotive, real estate, manufacturing, media and entertainment, e-commerce, sports, and others.
Awards and Recognitions:Top Mobile App Development Company in the USA (MobileAppDaily, 2025), Top Mobile App Developers (2023), Top 1000 Companies (Clutch Global, 2019), and others.
Certifications:Magento 2 and Microsoft Gold Partner.
Case Studies: www.manektech.com/work
Headquarters: Ahmedabad, India
Contact: info@manektech.com, +91-851-142-8441
ManekTech addresses the gap between your business needs and its capacity to meet those requirements. They focus on harnessing technological intelligence that transforms ideas into futuristic solutions. Over the years, it has been delivering solutions ‘on schedule’ and ‘on budget’. Their C# developers utilize the advanced .NET framework and technology to create apps for various industries.
Key Services:
C# Window Development
C# Mobile Development
C# Server-Side Development
C# Web Development
C# PaaS Development
C# Integration Services
C# Cloud Development
C# SaaS Development
Why Choose?
14+ years of operation.
1000+ customers worldwide.
Works with Fortune 500+ companies.
Trusted by renowned brands.
2500+ overall projects.
Customer Rating: 4.8/5.
33+ Client Reviews on Clutch.
Flexible Engagement Models: Fixed Cost, Time & Material, and Hire Dedicated.
Tips for Choosing the Right C# Development Company
Selecting the right C Sharp development partner isn’t just about ticking boxes for experience. You must find a team that understands your business goals and can translate them into smart, scalable solutions. The following are the key technical qualities to look for:
Deep Expertise in C# and .NET Core: Make sure the team has a strong command of C# and its frameworks, especially .NET Core, since it’s necessary for building high-performance applications.
Experience with Architectural Design: Look for developers who understand software architecture inside and out – whether it’s MVC, microservices, or API-first design. These foundations are what make your application stable, flexible, and easy to maintain over time.
Integration Know-How: The right company should be comfortable in integrating your application with third-party APIs, databases, and cloud platforms like Azure or AWS.
Rigorous Testing Practices: Quality always matters. Choose a team that prioritizes testing – unit tests, integration tests, and automation. This will help you catch bugs early and ensure your final product meets the standard.
Performance Optimization: Speed and efficiency aren’t optional. A skilled C# team will know how to fine-tune your application for responsiveness. This is especially helpful when dealing with large datasets or high-traffic environments.
Conclusion
Today, many businesses choose to outsource C# development to benefit from cost efficiency, specialized expertise, and faster delivery timelines. However, the success of any project begins with choosing the right development partner.
The companies listed above have demonstrated their ability to consistently deliver high-quality, customized solutions. With a trusted team by your side, your C# applications can be robust, scalable, and aligned with your long-term goals.
Take the time to evaluate your options and partner with a company that truly understands your vision and technical needs.
Ans: Yes, they are in high demand because of their immersive skill set and productive approaches.
Ans: AI lacks the necessary business context, trade-offs, and experience to make most development decisions.
Ans: C++ and C# are the key languages for Performance and Enterprise Solutions. In the tech landscape of 2025.
