What does a custom client portal cost in the UK?

What does a custom client portal cost in the UK? It is a fair question with surprisingly few straight answers online. A portal is a bespoke build, so the price follows the scope rather than a fixed list. This guide explains what a client portal is, the drivers behind the cost, roughly what to budget, and how we scope one so the number is grounded in what you actually need.

What a client portal is and what it replaces

A client portal is a secure, login-protected area where your clients or team see and do specific things: view documents, submit information, track progress, book, or manage their account. It replaces the scatter of email threads, shared drives, and manual admin that usually sits between you and your clients.

Done well, a portal is not just tidier. It saves your team hours, gives clients a clear window into their work, and makes you look like the organised operator you are.

What drives the cost of a custom client portal

Two portals can differ in price by a wide margin. These are the levers.

Users and roles

A portal with one type of user is simpler than one where clients, staff, and admins each get a different view and different permissions. Every distinct role is a set of screens and rules to design, build, and test.

The data it holds

A portal that shows a handful of read-only documents is lighter than one where users create, edit, upload, and search records. The more your users do inside the portal, the more there is to build behind it.

Integrations

A portal rarely lives alone. Payments, a CRM, accounting, e-signatures, or a feed from software you already run each add work. Each is a small project inside the portal.

Ongoing platform care

Unlike a brochure website, a live application benefits from ongoing hosting on a proper platform and occasional maintenance. It is modest relative to the build, and worth planning for so the portal stays fast and secure.

Typical bands: setup plus ongoing

A client portal is a custom web application, so it sits at the upper end of our guide prices rather than in brochure-website territory. The one-off build covers the design, the roles, the screens, and the integrations agreed in scope. Alongside it, budget a modest ongoing amount for hosting and care so the application stays healthy.

We do not publish a single portal price, because a genuine portal price only means something once the scope is known. What we can do is confirm a fixed figure before any work starts, so you are never guessing.

Custom build versus a SaaS portal

You can rent a ready-made portal. The upfront price is usually lower, and you pay per user, every month, and fit your process to theirs. For a simple, common need that can be the right call.

A custom portal is a larger one-off build you own outright, with no per-seat fee, designed around your brand and your workflow. It wins when the portal is part of how clients experience your business, when you have specific roles or data a SaaS tool will not bend to, or when the per-user maths stops adding up as you grow. You can see the depth we bring to custom builds on our work page.

How we scope a portal

We start with the jobs the portal has to do and the people who use it. We agree the roles, the data, and the integrations, turn that into a clear scope, and confirm a fixed price before building. You can read more about what we build on the custom web apps service page.

What a client portal is worth

Cost is only half the question. The other half is what a portal returns. A good one saves your team the hours they spend answering the same questions, chasing the same documents, and re-typing the same information into the same places. It gives clients a clear, professional window into their work, which a considered buyer values more than most businesses expect.

When you weigh the price, weigh it against the admin it removes and the impression it leaves. For a business whose clients judge it on how organised it feels, a portal often pays for itself on both counts.

How long a portal takes to build

A portal is a build, not a switch you flip, so plan for weeks rather than an afternoon. The timeline follows the same drivers as the cost: the number of roles, the depth of the data, and the integrations. We agree the shape of it up front, so you know what you are getting and when before any work starts.

The upside of that patience is ownership. At the end you have an application built for your clients and your workflow, with no per-seat fee and no lock-in, rather than another monthly bill that grows with your team.

Frequently asked questions

What is a client portal?

A secure, login-protected area where your clients or team see and do specific things: view documents, submit information, track progress, or manage their account. It replaces email threads, shared drives, and manual admin.

Is it cheaper to use an off-the-shelf portal?

The upfront price of a SaaS portal is usually lower, but you pay per user every month and fit your process to theirs. A custom portal is a larger one-off build you own outright, with no per-seat fee.

How do you price a portal?

We scope users and roles, the data it holds, and any integrations, then confirm a fixed price. Start with our guide prices and tell us what your portal needs to do.