Sydney · Web Development
Web development for Sydney businesses that means business.
Logical Systems builds custom websites and web applications for Sydney businesses — fast, SEO-optimised and engineered to last. No templates, no offshore teams, no handover to a stranger after launch.
What we build
From a sharp marketing site to a complex multi-user web application — scoped to what you need.
- Marketing websites and corporate sites
- Web application development (portals, dashboards, tools)
- E-commerce and payment integration
- Customer and client portals
- Internal business tools and admin panels
- API development and third-party integrations
- Performance optimisation and Core Web Vitals
- Hosting, maintenance and ongoing development
Our tech stack
Modern, proven technologies — chosen for performance, maintainability and longevity.
Next.js & React
Fast, SEO-optimised web apps with server-side rendering.
TypeScript
Type-safe code that scales without breaking.
Tailwind CSS
Pixel-perfect, responsive design at speed.
Azure & AWS
Australian cloud hosting — fast, sovereign, reliable.
PostgreSQL & SQLite
Robust data storage for any scale.
Stripe & payment APIs
Secure billing, subscriptions and checkout flows.
Why Sydney businesses choose us over agencies
Engineers, not designers pretending to code
Every site we build is production-grade code — not a drag-and-drop template exported to HTML. It's fast, maintainable and yours.
SEO built in from the start
Server-side rendering, structured data, fast load times and proper metadata. We don't bolt on SEO after launch — it's in the architecture.
Same team, start to finish
The engineer who scopes your project builds it and supports it. No handover to a junior after the senior sells you the work.
Common questions
- Do you build websites or only complex web apps?
- Both. We build everything from polished marketing websites for Sydney businesses to complex multi-user web applications with APIs, databases and integrations. The approach is scoped to what you actually need.
- How long does a website or web app take?
- A professional marketing website typically takes 3–6 weeks. A custom web application depends on scope — simple internal tools can be done in 4–8 weeks, while complex platforms take 3–6 months. We provide a fixed timeline upfront.
- Do you use templates or build custom?
- We build custom. Every website and web app we deliver is designed and engineered from scratch for your brand, your users and your goals. We don't resell WordPress themes or Webflow templates.
- Will my website rank on Google?
- Yes — SEO is built into how we develop. We use Next.js with server-side rendering, proper metadata, structured data (JSON-LD), sitemap generation and Core Web Vitals optimisation. Rankings still require content and backlinks, but the technical foundation is solid from day one.
- Can you maintain and update the site after launch?
- Yes. We offer ongoing maintenance, hosting management, security updates and feature development. Most clients stay on a monthly retainer for continuous improvements after launch.
- What does web development cost in Sydney?
- A professional marketing website starts from $8,000–$20,000 depending on scope and design complexity. Custom web applications start from $25,000. We provide a fixed-price proposal after a discovery session.
Let's build something that works.
Talk to a Logical Systems engineer about your website or web app. Fixed price, fixed timeline, no surprises.