Top C# Development Companies
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List of the Best C# Development Agencies and C# Developers
Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.
820 Companies
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SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
We are changing the world with technologies
MedRec Technologies is a London-based software development company delivering advanced digital solutions to businesses worldwide. With a global team of 60+ software engineers, consultants, designers, and technology specialists across the UK, USA, Europe, the Middle East, and Asia, we provide scalable and high-performance software tailored to modern business needs. Our expertise includes AI and Machine Learning, Big Data Analytics, IoT, Cloud Computing, Blockchain, RPA, Cybersecurity, and SDN-NFV, enabling organizations to accelerate digital transformation. We serve diverse industries such as healthcare, fintech, retail, manufacturing, education, robotics, e-commerce, and transportation. Our core services include custom software development, mobile and web application development, enterprise solutions, automation systems, chatbot development, real-time applications, QA testing, and IT consulting. With a strong focus on innovation, quality, and collaboration, MedRec Technologies helps businesses build reliable, secure, and future-ready technology solutions.
View MedRec Technologies Profile< $25/hr
$10,000+
50 - 249
Udaipur, India
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Your Trusted Partner in Software Development
N7 Mobile – Innovative Mobile App Development & Custom Solutions At N7 Mobile, we transform your vision, ideas, and business goals into cutting-edge mobile applications with unique, engaging user interfaces. Our team of experienced developers and designers specializes in delivering reliable, high-performance apps for iOS, Android, and Windows platforms, helping businesses unlock their full potential. We leverage a highly customizable OpenGL graphics engine to create innovative UI designs that go beyond standard mobile OS limitations, allowing us to build truly original interfaces. Our expertise includes custom audio engines, video playback, and streaming solutions, fully integrated with diverse content providers. N7 Mobile also excels in social media integration, mobile payments, carrier billing, and digital media store development, enabling seamless user acquisition and monetization. Our location-based services utilize Bluetooth Low Energy (iBeacons) for precise indoor navigation, context-aware apps, and microlocation features. With experience in space-related software engineering, including projects like Solar Orbiter, Brite-PL, ESEO satellite, and CubeSat missions, we develop critical and high-reliability systems for complex applications. Partner with N7 Mobile to create innovative, scalable, and immersive mobile solutions that elevate user experiences and drive business growth.
View N7 Mobile Profile$25-$49/hr
$10,000+
10 - 49
Warsaw, Poland
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Let's build awesome
SDI is a global software development company delivering innovative digital solutions to businesses for over 20 years. We specialize in custom software development, mobile app development, web design and development, and digital marketing services, helping organizations transform ideas into scalable digital products. Our team of 200+ certified professionals and 30+ UI/UX experts collaborates closely with clients to create tailored solutions that align with their business goals. With offices in California, Melbourne, and multiple locations in India, SDI has served 5,000+ clients worldwide and successfully delivered 2,000+ applications across industries including finance, education, healthcare, enterprise, social networking, and startups. Trusted by brands such as Pepsi, Stanford University, and Marvell, we focus on building high-performance applications, responsive websites, and growth-driven digital strategies that help businesses innovate, scale, and compete in today’s digital landscape.
View SDI - Software Developers Inc Profile< $25/hr
$1,000+
50 - 249
Saratoga, USA
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Your website never sleeps. It sells, connects, and converts around the clock
Forrentech is a full-service web and mobile app development agency delivering end-to-end digital solutions for businesses across industries including eCommerce, PropTech, HealthTech, FinTech, and SaaS. As a trusted technology partner, we help organizations streamline operations and accelerate growth with scalable, high-performance applications. Our services include custom software development, MVP development, and workflow automation, tailored to meet unique business needs. We also specialize in no-code development using platforms like Bubble, enabling rapid product launches, reduced development costs, and faster time-to-market. With a strong focus on innovation, client satisfaction, and long-term partnerships, Forrentech builds future-ready solutions that support digital transformation. From startups to enterprises, we empower businesses to scale efficiently while we manage their technology with precision and expertise.
View Forrentech Profile$25-$49/hr
$1,000+
10 - 49
Birmingham, UK
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Experts in digital transformation powered by AI
LogosCorp is a full-service digital and e-commerce agency committed to driving measurable growth and brand value through innovative web solutions. With over 25 years of industry experience, we provide tailored technology strategies that align with your business goals. Founded in 1997, our team of 35 skilled professionals operates from a nearshore production hub, delivering web development, app deployment, and digital commerce solutions for both fixed-quote projects and dedicated outsourced teams. We’ve successfully completed 400+ projects for 200+ clients across diverse industries, including HBO, Toyota, Pepsi, Unilever, and Johnson & Johnson. Our expertise spans B2C and B2B e-commerce, creating seamless online shopping experiences that boost conversions and customer loyalty. From platform selection to design, development, and optimization, we focus on solutions that leverage each ecosystem’s strengths while ensuring scalability, usability, and high performance. At LogosCorp, we thrive on challenging projects that require deep technical knowledge and creativity. Whether it’s a custom e-commerce store, web application, or full digital transformation, our mission is to help brands maximize revenue, enhance their online presence, and achieve lasting digital success.
View LogosCorp Profile$100-$149/hr
$5,000+
10 - 49
Weston, USA
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Your Partner in Digital Excellence
The C2 Group is a full-service web agency based in Grand Rapids, Michigan, dedicated to helping businesses thrive through digital innovation. With over 15 years of experience, we specialize in custom CMS and eCommerce solutions, delivering end-to-end services from strategy and UX design to development, adoption, and ongoing support. Our team of 35 experts creates browser-based business solutions for industries including manufacturing, consumer goods, higher education, and healthcare. We focus on seamless digital transformation, visual design, web and application development, cloud hosting, and continuous optimization. At C2 Group, we prioritize transparent, no-surprise project delivery and foster a collaborative, low-ego company culture recognized among the nation’s Best and Brightest Companies to Work For. Our mission is to empower clients, their teams, and customers with measurable, high-quality digital solutions.
View The C2 Group Profile$150-$199/hr
$25,000+
10 - 49
Grand Rapids, USA
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Let's build something great together.
Plus8Soft is a global software development company helping startups and enterprises build, scale, and modernize digital products using cutting-edge technologies and flexible engagement models. Our distributed team of engineers, product experts, and project managers delivers high-quality, cost-effective solutions across industries. We go beyond coding—acting as a true technology partner by aligning with your goals, integrating with your workflows, and providing strategic insights that accelerate product success. From MVP development and team augmentation to legacy system modernization, we deliver scalable, future-ready solutions. With a strong focus on Agile development, transparency, and continuous improvement, Plus8Soft ensures predictable delivery and measurable outcomes—empowering businesses to innovate faster and grow with confidence.
View Plus8soft Profile$25-$49/hr
$5,000+
50 - 249
Palo Alto, USA
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Powering Innovation Together
Enlighten Designs Ltd is an award-winning digital innovation agency specializing in website design, web application development, and AI-powered solutions. Based in New Zealand and serving clients globally, we deliver scalable, user-focused digital experiences that drive business transformation. Recognized as a Microsoft Country Partner of the Year, we leverage advanced technologies including Microsoft Azure, Power BI, Microsoft Fabric, and leading CMS platforms to build secure, high-performance solutions. Our team integrates cutting-edge AI from OpenAI, Google, and Anthropic, enabling businesses to stay competitive in evolving digital ecosystems. Our services include UX/UI design, custom web applications, digital strategy, and content management systems, with a strong focus on usability, performance, and conversion optimization. We are also experts in data visualization and storytelling, turning complex data into actionable insights. Through AI-assisted development and innovative methodologies, Enlighten Designs delivers efficient, future-ready solutions that empower organizations to innovate, grow, and succeed in a digital-first world.
View Enlighten Designs ProfileN/A
$1,000+
50 - 249
Hamilton, New Zealand
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Enablig Technology, Let's Do It Attitude
Yellow! GNU is a global custom software development company helping startups and enterprises transform ideas into scalable, high-performance digital solutions. Backed by Matrix Rom’s 30+ years of engineering expertise, we deliver reliable, secure, and future-ready technology tailored to business goals. Through our strategic partnership with Software Outsourcing in Israel, we combine global delivery capabilities with strong local market presence, enabling seamless collaboration and efficient project execution. Our services include web and mobile app development, cloud computing, IoT solutions, cybersecurity, and enterprise software. We provide full-cycle development—from concept and design to deployment and ongoing support—ensuring scalability and long-term success. Serving industries such as fintech, healthcare, eCommerce, and more, we offer flexible engagement models, including dedicated teams and end-to-end product development. Yellow! GNU focuses on innovation, performance, and measurable outcomes, empowering businesses to accelerate digital transformation and achieve sustainable growth in competitive markets.
View Yellow! GNU Profile$50-$99/hr
$5,000+
10 - 49
Bucuresti, Romania
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Welcome to ProCoders – your IT powerhouse!
ProCoders is a full-service software development partner specializing in end-to-end product delivery for startups and enterprises. We guide clients through every stage of the project lifecycle—from idea validation and technical discovery to UX/UI design, development, launch, and ongoing support. Whether you’re a non-technical founder or an experienced CTO, our team ensures a smooth, transparent process with clear communication and agile execution. We analyze business requirements, assess technical feasibility, and build scalable, user-centric solutions tailored to your goals. Our dedicated teams integrate seamlessly with your organization, acting as an extension of your business rather than just a vendor. ProCoders delivers high-quality, reliable software on time and within scope, helping companies accelerate product development, reduce risk, and achieve long-term digital success.
View ProCoders Profile$25-$49/hr
$50,000+
50 - 249
Lisboa, Portugal
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Towards Perfection
LTS Group is a Vietnam-headquartered global IT outsourcing company delivering software development, quality assurance, and business process outsourcing services to clients across healthcare, education, e-commerce, automotive, and BFSI sectors. Maintaining a 96%+ customer satisfaction rate and recognized with domestic and international industry awards, LTS Group combines Vietnam's competitive labor cost advantage with a deep pool of technically skilled engineers. Their flexible delivery methodology—spanning Agile, Waterfall, and Iterative models—adapts to each client's requirements, timelines, and budgets. With proven language competency, effective cross-border communication, and dedicated IT bridge roles (BrSE & comtor), LTS Group is a cost-efficient, high-quality outsourcing partner for global IT service firms.
View LTS Group Profile< $25/hr
$5,000+
250 - 999
Hanoi, Vietnam
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
AI-Empowered Engineering & Enterprise Commerce
CyberHULL is a senior-led commerce engineering partner helping retailers scale and optimize Adobe Commerce (Magento) and Shopify platforms with predictable delivery and reduced operating costs. We combine deep technical expertise with AI-driven automation to streamline QA, regression testing, and release management—accelerating delivery while maintaining stability and quality. Our services include platform modernization, composable commerce solutions, performance optimization, checkout enhancements, and peak-readiness engineering. We also provide 24/7 production support to ensure reliable, high-performing eCommerce operations. With ISO 27001-certified processes, US-based leadership, and experienced European engineering teams, CyberHULL delivers secure, scalable solutions trusted by global brands. We focus on improving efficiency, reducing risk, and enabling sustainable eCommerce growth.
View CyberHULL ProfileN/A
$1,000+
50 - 249
Austin, USA
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Global engineering through Eastern European and Israeli innovation
StairwaySoft is a global software engineering firm founded in 2012, offering custom development services and dedicated engineering teams to clients across international markets. Their distinctive hybrid model combines Eastern European and Central Asian engineering talent with Israeli-driven innovation to deliver high-quality, cost-effective solutions. With approximately 10–18 engineers, StairwaySoft specializes in project outsourcing, custom software development, and building flexible dedicated teams tailored to client needs. Their competitive hourly rates make them an attractive partner for businesses seeking to scale their technology capabilities efficiently.
View StairwaySoft Profile$25-$49/hr
$1,000+
10 - 49
Tel Aviv-Yafo, Israel
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Web design and staff augmentation solutions for growing businesses
Cidersoft is a technology services company offering web design, web development, and IT staff augmentation to businesses seeking flexible, cost-effective digital solutions. The agency provides both project-based web design and development work and on-demand staffing to augment client technology teams with skilled developers, designers, and project managers. Cidersoft serves a broad range of industries, helping businesses modernize their digital presence and scale their technical capacity without the overhead of full-time hires. With a blend of creative and technical talent, Cidersoft delivers solutions that are practical, scalable, and aligned with each client's specific operational and growth needs.
View Cidersoft - Web Design & Staff Augmentation Profile$50-$99/hr
$10,000+
50 - 249
San Ramon, USA
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Delivering innovative IT solutions to fuel your digital transformation
Baymediasoft Technologies is a full-service IT and digital solutions company providing custom software development, mobile app development, web development, and UI/UX design services. The company serves clients across the US, UK, and global markets, helping businesses of all sizes accelerate their digital transformation journeys. Baymediasoft offers end-to-end development services from ideation and design to deployment and post-launch support, with expertise in technologies including React, Node.js, Flutter, iOS, Android, and cloud platforms. The firm is known for its competitive pricing, agile development methodology, and strong project management practices that ensure timely delivery of quality digital products.
View Baymediasoft Technologies Profile$25-$49/hr
$1,000+
50 - 249
Van Nuys, USA
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Digital and E-Commerce Solutions
Ecommerce Inside is a full-service digital marketing and web development agency helping businesses strengthen their online presence and accelerate growth. Based in Karachi, Pakistan, the agency specializes in digital strategy, web development, social media marketing, content marketing, influencer marketing, online advertising, public relations, and creative design solutions. By combining data-driven insights with innovative marketing approaches, Ecommerce Inside helps brands generate qualified leads, increase customer engagement, and improve profitability. The team focuses on measurable results through customized KPIs, transparent reporting, and performance-focused campaigns. Their collaborative approach enables businesses to adapt to changing digital trends and achieve sustainable long-term success.
View Ecommerce Inside ProfileN/A
$1,000+
10 - 49
Belleville, USA
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Finally Get The Results You've Been Looking For
Central Florida Media Solutions (CFLMS) is a premier full-service digital marketing and design agency based in Central Florida, helping local and regional businesses build stronger online presences and achieve their growth objectives. The agency offers website design, SEO, social media management, and digital advertising services tailored to the unique needs of each client. With a strategic focus on improving search engine rankings and brand recognition, CFLMS serves businesses of all sizes across the Orlando metro and surrounding areas. The team's hands-on approach and in-depth understanding of the Central Florida market make them a trusted partner for businesses seeking customized digital solutions that drive real results.
View Central Florida Media Solutions ProfileN/A
$1,000+
10 - 49
Orlando, USA
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Jupiter Digital Marketing Agency
MAO Web Solutions is a Jupiter, Florida-based digital marketing agency founded in 2014, specializing in customized online marketing strategies for service-based businesses including lawyers, dentists, HVAC contractors, realtors, and e-commerce stores. The agency delivers tailored campaigns across SEO, PPC, social media management, email marketing, content creation, and website design and development. With a philosophy rooted in transparency and measurable results, MAO Web Solutions partners exclusively with clients where meaningful outcomes can be achieved. The agency serves a broad range of industries from healthcare practitioners to software companies, leveraging a hand-picked team of strategists, web designers, developers, and copywriters to deliver performance-driven digital growth solutions.
View MAO Web Solutions Profile$50-$99/hr
$1,000+
2 - 9
Jupiter, USA
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Empowering Enterprises with Scalable, Intelligent Cloud Solutions
Goaltech is a data and artificial intelligence consultancy dedicated to helping businesses achieve their strategic goals through high-quality technology products and services. Led by directors with more than two decades of combined experience in data technologies, Goaltech closely follows emerging innovations to offer clients the best possible combination of tools, balancing time, cost, and quality for every engagement. The consultancy provides a comprehensive range of services including data analytics, data science, data warehousing, data architecture, data integration, big data solutions, data visualisation, and cloud computing, serving corporate clients across financial services, online marketing, retail, and government sectors. This broad technical scope allows Goaltech to support organisations at every stage of their data maturity journey, from foundational architecture to advanced AI-driven insights. The company's commitment to continuous research and development in data analytics and data science ensures clients benefit from the latest thinking and techniques. With a strong focus on customer satisfaction, Goaltech aims to deliver high quality outcomes at competitive cost and on time. Businesses seeking a data analytics consultancy, data science specialist, or cloud and big data partner will find Goaltech a deeply experienced, innovation-focused choice.
View Goaltech ProfileN/A
$1,000+
10 - 49
Bath, UK
1
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Enterprise Systems, Startup MVPs & IoT Integrated Software
XEESOFT is a software development agency with offices in Islamabad, Pakistan, and Kingsford, Australia, bringing over 16 years of experience to enterprise, startup, and hardware-integrated software projects. The agency's core services span web development, mobile app development, cloud architecture, IoT and hardware integration, AI and machine learning, and biomedical device software. XEESOFT is particularly known for integrating over 30 hardware peripherals into custom software, including medical devices, POS systems, and industrial sensors, giving it a distinctive edge in hardware-software convergence projects. The team has completed 120+ projects supporting systems used by 600,000+ daily users, working with clients such as HP and Cybertonica. As a Top Rated Plus agency on Upwork with a reported 100% job success rate, XEESOFT combines technical breadth with proven delivery reliability. Its specialization in FDA-compliant biomedical software and enterprise-grade IoT integration makes it a strong choice for organizations needing secure, scalable, hardware-aware software development.
View XEESOFT Profile$25-$49/hr
$1,000+
10 - 49
Kingsford, Australia
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