We’re a senior-led website development agency supporting Perth organisations with reliable, well-engineered websites and web platforms.
We work with organisations across Perth and Western Australia, as well as clients Australia-wide. Our team includes developers based in Perth, allowing us to support WA organisations with local insight while maintaining the depth of a senior national team.
Our work focuses on website development projects including rebuilds, platform upgrades and complex technical improvements, delivered with clear ownership and long-term accountability.
No lock-in retainers. No generic packages. Just well-scoped website development, delivered when it’s needed and built to last.
Your website development work is overseen by experienced developers rather than passed through multiple layers. This results in clearer decisions, better technical outcomes and lower long-term risk.
We don’t bundle web development into fixed plans. Every website development project is scoped and priced according to the actual requirements.
We build websites knowing they will need to be maintained, improved and secured over time. Clean code, structured architecture and clear documentation are part of the build process.
Many Perth clients continue working with us for website support and maintenance to ensure their platform remains reliable as the organisation evolves.
“Mainstay are a great team to work with; we value their expertise and their friendly can-do attitude! They helped us meet our tight deadlines and offered holistic support.”Liz Gellel, Manager External Marketing and Communications, CatholicCare Victoria
We offer 12 month warranty on projects, as well as a money back guarantee period to prove our ability, give you peace of mind, and zero risk.
Fairhaven Homes is a well-established Victorian home builder with 25 display locations and a diverse portfolio of tailored home designs.
Purpose-built websites tailored to your organisation’s content, users and operational needs. We deliver custom website development using platforms such as WordPress, Craft and modern headless or custom frameworks where appropriate.
Improving unstable or outdated websites by modernising architecture, cleaning up technical debt and making the platform safer to extend.
Custom functionality including workflows, integrations, dashboards, forms and bespoke modules — carefully scoped, developed and tested.
If your website wasn’t built well the first time, we can undertake a technical review and refactor problematic code, or rebuild key functionality cleanly.
Ongoing support and maintenance with clear upfront decisions around CMS selection, hosting, environments, security posture and long-term scalability.
Accessibility considerations can be integrated directly into the website development process. We incorporate semantic markup, keyboard navigation, screen-reader compatibility and structural decisions that support WCAG compliance, helping reduce risk and future remediation costs.
We typically work with established Perth organisations including professional services firms, engineering companies, health, aged-care and education providers, NFPs and government-funded organisations that require senior-led website development.
No. While we deliver full website development projects, much of our Perth website development work involves improving, stabilising or extending existing websites.
Yes. This is common. We start with a technical review to understand the website’s structure, risks and priorities before recommending any development work.
Yes. We’re frequently engaged for complex website development projects, custom platforms and multi-year evolution of existing systems.
No. We don’t believe organisations should pay for unused monthly hours. Our work is scoped and billed based on actual requirements.
Yes. Many Perth clients continue working with us for website support and maintenance so their website remains secure, stable and up to date.
Arrange your free 20 minute discovery session at a time that suits you.
We’ll explore your organisation, your website goals and what you’re trying to achieve.
For existing websites, we can review your current platform and outline risks, opportunities and next steps.
With a clear roadmap in place, we deliver website development in Perth that’s predictable, accountable and built to last.
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