Top C# Development Companies in Sydney
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Explore Reviewed C# Development Companies in Sydney — Find Skilled C# Developers for Your Project
Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.
10 Companies
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Australia
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New South Wales
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Sydney
5.0 (3 Reviews)
35
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
35
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Trusted App & Software Developer Australia
Supportsoft specializes in designing and developing custom app and software solutions that are tailored to meet the unique needs of your business. Our team of experienced developers is dedicated to providing top-notch service and delivering high-quality products that exceed your expectations. We believe that the key to success is collaboration, and we work closely with our clients to ensure that their vision is brought to life. Whether you need a mobile app, web application, or custom software, we have the expertise and experience to deliver a solution that meets your requirements. We pride ourselves on being a one-stop-shop for all your digital needs. In addition to designing and developing custom app and software solutions, we offer a range of digital services that can help take your business to the next level. From web design and development to digital marketing and branding, our team has the skills and expertise to handle all aspects of your digital presence. We understand that your time is valuable, which is why we offer comprehensive services that save you time and hassle.
View Supportsoft Technologies Profile
$50-$99/hr
$10,000+
50+
Sydney, Australia
Verified Client Review
Web Development for Nonprofit Charitable Organization
Reviewed by: MaMoon Ali, Manager Events & Promotions at Labsans Australia Association View all 3 Reviews
4.9 (3 Reviews)
35
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
35
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Shaping Success through Innovation & Technology Since 2013
Founded in 2013, iFour Technolab is a custom software development company and a proud Microsoft Certified Solutions partner, specializing in providing full-scope software development services to clients across the globe. Thanks to our extensive industry experience spanning a decade, we are equipped with the know-how to fulfill the needs and requirements of our diverse clientele, including prominent Fortune 500 organizations, SMEs, and large-scale enterprises. iFour Technolab’s team of knowledgeable developers has the understanding and skills required to comprehend your business goals and assist you in achieving them with efficiency. Being a leading software development company, we are well-versed in the principal technological stacks and frameworks, such as Angular, .NET, and Java. By blending our long-standing expertise and industry background, we create more than just software solutions; we construct experiences tailored to fulfill your organizational specifications. We stay current with the latest trends and emerging patterns to develop top-notch solutions aligned with your business requirements. If you need a reliable software development partner, choose iFour Technolab. We're here to exceed your expectations and boost your business.
View ifourtechnolab Pvt Ltd Profile
$50-$99/hr
$0 - $100,000
500 - 999
Sydney, Australia
Verified Client Review
Custom Software Development for Security Services Provider
Reviewed by: Kuldeep Sharma, Director at UR Protection Security Servcies View all 3 Reviews
0.0 (0 Reviews)
28
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
28
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
AI and Software Developers
Drive growth. Move faster. Reduce costs. AI Agents and Software built by top engineers. We build the apps and intelligent AI agents that 10× your team's productivity, from customer-facing products to internal automation. AI consulting, enablement and management to help your team thrive.
View Team 400 Profile
N/A
$5,000+
9+
Brisbane, Australia
0.0 (0 Reviews)
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Your Partner for Web, App & Cloud Solutions
NexusByte is a Sydney-based digital and IT solutions agency specialising in web design and development, mobile app development, ecommerce solutions, cloud consulting, and cybersecurity services. We help startups, small to mid-sized businesses, and growing organisations build secure, scalable, and high-performing digital products. Our team delivers custom websites, web applications, and software solutions backed by reliable IT support, cloud infrastructure, and security best practices. With a practical, results-driven approach and transparent communication, NexusByte partners with businesses to streamline operations, enhance digital performance, and support long-term growth.
View NexusByte Technology Profile
N/A
$1,000 - $5,000
11 - 50
Sydney, Australia
0.0 (0 Reviews)
18
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
18
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Construct and motivate extraordinary experiences
Sitback is a Sydney-based Human-Centred Design and Development Agency focused on creating data-driven digital experiences that deliver measurable results. Leveraging behavioural science, user experience design, and expert web development, we help organizations engage effectively with their audiences while providing 24/7 website support and ongoing optimisation for continuous improvement. Our expertise spans complex, large-scale digital projects across platforms including Drupal, Sitecore, Umbraco, and WordPress, serving leading Australian organizations in government, financial services, education, healthcare, and not-for-profit sectors. By combining analytics, innovative design, and robust development practices, we ensure every project aligns with client goals and maximizes user engagement. At Sitback, our mission is to design, develop, and inspire exceptional digital experiences—enhancing client satisfaction, empowering end-users, and fostering a culture of creativity and collaboration within our team. Partner with us to transform your digital presence into a strategic advantage that drives growth and meaningful customer connections.
View Sitback Solutions Profile
$200-$300/hr
$10,000+
10 - 49
Sydney, Australia
0.0 (0 Reviews)
18
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
18
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
When you consider IT, we digitize
Intuition SofTech is a leading software design and development company delivering innovative digital solutions since 2016. We specialize in custom mobile app development, web applications, VR/AR solutions, full-stack development, and UI/UX design, helping businesses and startups turn ideas into powerful, market-ready products. Our expert team follows a full-cycle software development process—from in-depth analysis and design to development, testing, and ongoing maintenance—to ensure exceptional performance and reliability. With deep technical expertise and a passion for innovation, we help organizations gain a competitive edge through cutting-edge technology. At Intuition SofTech, solving business challenges with smart, scalable software is our strength.
View Intuition SofTech Profile
$50-$99/hr
$25,000+
50 - 249
Sydney, Australia
0.0 (0 Reviews)
0.0 (0 Reviews)
17
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
17
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Setting the Standard for Staff Augmentation and IT Solutions
Cyber InfraStructure INC. (CIS), founded in 2003, is a global IT consulting and staff augmentation leader with offices in Central India, the USA, and the UK. We specialize in delivering top-tier technology solutions, helping businesses scale their teams and optimize operations efficiently. With experience serving over 2,100 clients across 100+ countries, we support industries including education, finance, travel, retail, manufacturing, gaming, and healthcare. CIS is recognized for excellence, holding CMMI Level 3, ISO 9001:2018 certifications, and partnerships such as Microsoft Gold Partner, Magento Silver Solution Partner, and memberships with Drupal and Joomla. Our focus is delivering innovative, reliable IT solutions that drive measurable business results.
View CIS Profile
< $25/hr
$10,000+
250 - 999
Sydney, Australia
0.0 (0 Reviews)
0.0 (0 Reviews)
17
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
17
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
We Bring It to Life.
XpertGo is a trusted business solutions and consulting agency dedicated to helping companies and professionals succeed. We provide innovative strategies, expert guidance, and tailored services to navigate challenges, optimize performance, and drive growth in today’s dynamic business environment, making us a reliable partner for long-term success.
View XpertGo Profile
$50-$99/hr
$10,000+
10 - 49
Sydney, Australia
0.0 (0 Reviews)
2
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
2
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
AI-driven, end-to-end technology solutions
NSC Software is a Vietnam-based software development and technology consulting company that provides senior-level engineering talent to enterprises across Australia, the UK, Europe, and the US. The company sources engineers exclusively from the top tier of Vietnam’s IT workforce, with every team member holding a minimum of six years of professional experience and the majority operating at senior level. NSC Software delivers full-cycle software development, from product ideation and MVP through enterprise-scale platforms, alongside strategic technology advisory, cloud-native engineering, DevSecOps, data pipeline development, and emerging technology services spanning AI and blockchain. Its delivery model blends experienced engineering talent with AI-enhanced development workflows to help global companies build scalable, high-performing digital products faster and more cost-effectively than traditional Western development markets allow. Teams work in overlapping hours with Europe, Australia, and the US to ensure real-time collaboration. Businesses and startups seeking premium software engineering talent at competitive rates choose NSC Software for its senior-only staffing model, technical rigor, and long-term partnership approach.
View NSC Software Profile
N/A
$1,000+
50 - 249
Sydney, Australia
0.0 (0 Reviews)
0.0 (0 Reviews)
2
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
2
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
We transform ideas through innovation and technology
IDEAQU is a Sydney-based software development company specializing in custom mobile and web application engineering for clients ranging from startups to large enterprises. The agency's core capabilities include cross-platform iOS and Android app development, complex web application builds, cloud infrastructure, and AI and machine learning integration, alongside specialized expertise in payment systems, point-of-sale technology, geo-location services, and Internet of Things (IoT) solutions. IDEAQU supports clients through the full software development lifecycle, from initial product engineering and UX/UI design through big data and analytics implementation, quality assurance, and ongoing software consulting. The company positions itself around values of integrity, respect, and transparency, aiming to be a results-oriented technology partner rather than a purely transactional vendor. With a highly qualified in-house team and a focus on customer care throughout project delivery, IDEAQU is suited to organizations seeking a hands-on partner for mobile-first, cloud-connected, and AI-enabled software products.
View IDEAQU Profile
N/A
$1,000+
10 - 49
Sydney, Australia
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