Client portal development cost planner
Build a bottom-up portal budget from scope, delivery effort, integrations, migration and your chosen rates.
What is this tool for?
A client portal gives customers a controlled place to access information or complete tasks with your team. Its cost depends on permissions, journeys, integrations, migration and ongoing support. This planner builds a transparent budget from effort you enter instead of presenting a fixed market price. User volume informs the scoping advice; it does not automatically translate into arbitrary development fees.
How it works
- Total effort = core person-days + integrations × effort per integration + migration + assurance.
- Upfront planning budget = total effort × daily rate × (1 + contingency percentage). Contingency is applied to delivery effort only.
- Monthly operation = hosting/licences + maintenance hours × hourly rate. First-year budget = upfront + 12 monthly operating budgets.
A worked example
Illustration: 25 core days, two integrations at four days each, three migration days and seven assurance days total 43 days. At £500/day plus 20% contingency, the upfront scenario is £25,800. These are example inputs, not an Elite Apps quote.
What the results do—and do not—tell you
No supplier benchmark or guaranteed estimate. Excludes taxes, financing, transaction fees and specialist assurance unless entered in your scope. Permissions, documents, identity, recovery, retention and accessibility require discovery. Do not upload client records to this calculator.
What to do next
Define one client journey, confirm role permissions and obtain scoped effort estimates before treating the model as a budget.
Model and guidance reviewed 10 November 2026. Financial scenarios use GBP; use a consistent VAT basis. No result is a quote or promised outcome.
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