Discipline 02

Custom Software & SaaS Development Agency in Australia

Multi-tenant web apps and SaaS platforms built on proven tools, shipped weekly, and fully owned by you.

  • 40+ projects delivered
  • 14 industries served
  • 9 countries
  • 100% code ownership

Why it matters

What you get when this is done right.

Every engagement in this discipline runs on the same operating model - senior people, a fixed price, and software you can see working as it is built.

  • Boring, proven tools

    We build on the same stack thousands of companies run in production, so hiring and maintenance stay easy.

  • Shipped in increments

    You see working software every week, not a big-bang reveal at the end of the project.

  • Multi-tenant from day one

    Accounts, roles, and billing are designed in early, so adding customers later isn't a rewrite.

  • You own all of it

    Code, infrastructure, and accounts are yours - no lock-in to us or a no-code platform.

  • 40+

    projects delivered

  • 14

    industries served

  • 9

    countries

  • 100%

    code ownership

Industries

Custom Software and SaaS Development for your industry.

  • Startups

    MVP to v1 SaaS with auth, billing, and dashboards ready for real users.

  • Marketplaces

    Two-sided platforms with payments, roles, and the admin tooling to run them.

  • Logistics

    Operational web apps that replace brittle spreadsheets and manual handoffs.

  • Professional services

    Client portals and internal tools shaped around your real process.

Tech stack

Modern tech stack for Custom Software and SaaS Development.

  • TypeScriptTypeScript
  • ReactReact
  • Next.jsNext.js
  • Node.jsNode.js
  • PostgreSQLPostgreSQL
  • Tailwind CSSTailwind CSS
  • StripeStripe
  • RedisRedis
  • DockerDocker
  • GraphQLGraphQL

How we deliver

From first call to live, on a fixed price.

  1. Discovery

    We scope the problem, map your systems, and agree the outcome before any code is written.

  2. Plan & fixed price

    You get a clear plan, a timeline, and a fixed price - no open-ended hourly bills.

  3. Build in increments

    Working software every week, built by senior engineers you talk to directly.

  4. Launch & support

    We ship to production and stay on for the long arc, not just the handover.

Ready to start your Custom Software and SaaS Development project?

Tell us the shape of your problem. We'll reply within one business day with a serious read - not a sales pitch.

FAQ

Custom Software and SaaS Development, answered.

Still unsure? Ask us directly.

Get In Touch

Ready to build something that works?

We take on a limited number of projects at a time so every client gets proper attention from start to finish. Whether you need a new SaaS platform, AI features added to your existing product, old software modernised, or a completely new system built from the ground up, we would like to hear about it.

xpansion.it@gmail.com

Encrypted communication available on request.