From ecommerce platforms to legacy modernisation, we deliver solutions that drive growth.
We combine speed, expertise and clear communication to deliver exceptional results.
Extensive experience in software development across various platforms and industries.
From Microsoft Access and older .NET applications through to Azure, modern web platforms and AI, we can work with the system you have, not just the technology we would prefer you to use.
Get expert guidance and strategic planning at no cost to help you decide the work.
We can continue maintaining, improving and supporting your software after launch, so you are not left looking for another development team.
Your organisation owns the source code and the software we build for you. You are not locked into CoSource or a proprietary development platform.

Whether you are replacing an ageing business system, improving an ecommerce platform or building something new, we combine experienced software engineering with modern AI-assisted development to help you get there faster.
See how we helped transform a business
Take-over and maintenance of NESS’s nopCommerce B2B store at ness.com.au, integrated with Microsoft Dynamics NAV 2018, plus work on smartness.com.au. The job covered SEO and Google indexing, the NAV integration, and security.

Don't just take our word for it
CoSource is an innovative and professional company to partner with, they have provided Data#3 with valuable software development services. CoSource lived up to their reputation to be able to deliver to tight deadlines. We look forward to a continued relationship with CoSource on future software development projects.John Gunning, Solution Architect - Data#3
Whether you are modernising an existing system, improving an ecommerce platform or building something new, let's talk through what you have and the best way forward.