Ecommerce, legacy modernisation, and custom .NET software, scoped after we see what you already run.
Experience, a wide stack, and clear ownership of the code we write.
Extensive experience in software development across various platforms and industries.
From Access and VB6 through to current .NET and ecommerce platforms. We work with the stack you already have.
A free 30-minute discovery call. We look at the system you have and give you a recommendation you can take to a manager.
Round-the-clock support ensures your systems run smoothly and issues are resolved quickly.
You own the software. Source code and documentation are yours.

Ecommerce, legacy upgrades, and custom .NET software for teams that need the current system understood before anyone quotes a rebuild.
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.

What clients have said
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
Book a free 30-minute discovery call. You leave with a clearer next step, not a rebuild estimate pulled from thin air.