

Custom web applications for businesses whose needs outgrew the template. Portals, booking systems, marketplaces and integrations, engineered and looked after by one studio in Guernsey.
Some projects are not websites so much as software that happens to live in a browser.
That is the work this page is about. We scope, design and build custom web applications around the way your business actually runs, then keep them running.
Design and engineering under one roof, from the first workflow sketch to launch and support. For design-led sites, see web design in Guernsey; for online shops, ecommerce website design in Guernsey; for native mobile apps, app development in Guernsey.
The six things we are asked to engineer most, all handled in-house.
Built around your workflow, not bent to fit someone else’s template.
Secure logins for clients, members or staff, with the right data in front of the right people.
Availability, payments and confirmations handled end to end.
Multi-user products with listings, accounts and admin tools.
Your site talking to your CRM, accounts package or stock system, so nobody retypes anything.
Clean, documented endpoints when other systems need to plug in.
Custom builds go wrong when the thinking is rushed, so we do not rush it. Discovery first, so we understand the workflow before writing a line of code. Then a clear specification with a fixed, staged quote.
We build in modern, maintainable frameworks, test as we go, and launch with documentation and support, not a hand-off and a wave.
From booking platforms to member portals, custom engineering is a growing share of what leaves the studio. Browse the work section for recent builds, or ask us about something similar to yours.
Long-term relationships built on responsive, high-quality work and a personal service that clients stay with for years.
Harbour Studios did a great job setting up our website. Very efficient, high-quality work, really responsive to our needs, and the follow-up support was much appreciated.
When we wanted to update the look of our website, we turned to Harbour Studios and were delighted by the fresh creative approach they brought to the task.

A great experience using Harbour Studios as our branding and web design agency. Their creative, professional work helped build our company image.

The questions island businesses ask us most.
