Legal
Cookie notice
Last updated 7 November 2026.
| Cookie | Purpose | Type | Duration |
|---|---|---|---|
usuk_session | Keeps you signed in to the client portal. HttpOnly, Secure, SameSite=Lax. | Strictly necessary | Up to 30 days (clients), 12 hours (staff) |
usuk_consent | Remembers your analytics choice. | Strictly necessary | 6 months |
_ga, _ga_* | Google Analytics 4 usage measurement with IP anonymisation. | Analytics (consent) | Up to 2 years |
No advertising or cross-site tracking cookies are used. Calculators run in your browser and do not send inputs to us.