Cookie policy

Cookies and similar technologies

This policy explains what cookies are, which categories we use, what each is for, how long it persists, and how you may give or withdraw consent.

Last updated 3 August 2026. Issued by Stellar Catalyst UK Ltd, company number 17108493, registered office 24 Norfolk Street, Coventry, CV1 3BX.

01

What cookies are

And the law that governs their use.

A cookie is a small text file placed on your device when you visit a website. Cookies allow a site to recognise your device between pages and across visits. Similar technologies, including local storage and pixel tags, perform comparable functions and are treated the same way in this policy.

Their use is governed by the Privacy and Electronic Communications Regulations 2003 and, where a cookie processes personal data, by the United Kingdom General Data Protection Regulation. With the exception of cookies strictly necessary for a service you have requested, we place cookies only with your consent.

02

Categories we use

What each category does.

Strictly necessary

Required for the site to function and for services you have requested. These include session identification, authentication of a signed-in account, security tokens preventing cross-site request forgery, and recording your cookie preferences. Consent is not required for these and they cannot be disabled through the banner, though your browser may block them at the cost of the site functioning correctly.

Functional

Remember choices you have made, such as display preferences and previously selected fields or categories, so that they persist between visits. Disabling these does not prevent use of the site but removes the convenience they provide.

Analytics

Help us understand how the site is used in aggregate — which pages are visited, how visitors navigate, where difficulties arise. We use Google Analytics 4 for this purpose. These are placed only with your consent and may be withdrawn at any time.

Marketing

We do not presently use advertising or cross-site tracking cookies. Should that change, this policy will be revised and consent obtained before any such cookie is placed.

03

Cookies in use

Names, purposes and durations.
CookieCategory and purpose
Session identifierStrictly necessary — maintains your session across pages. Expires when the browser closes.
Authentication tokenStrictly necessary — keeps you signed in to your account. Persists for the session duration configured for the platform.
Security tokenStrictly necessary — protects form submissions against cross-site request forgery. Session duration.
Cookie preferenceStrictly necessary — records the choices you made in the consent banner so you are not asked repeatedly. 12 months.
Display preferencesFunctional — remembers interface choices. 12 months.
_gaAnalytics — Google Analytics, distinguishes visitors. 24 months.
_ga_<id>Analytics — Google Analytics, maintains session state. 24 months.

Cookie names and durations may change as the platform develops. This table is reviewed when such changes are made.

04

Managing consent

How to give, change or withdraw it.

When you first visit, a banner allows you to accept all cookies, reject all but those strictly necessary, or choose by category. Your choice is recorded and respected on subsequent visits until it expires or you change it.

You may change or withdraw consent at any time by clearing the cookies for this site in your browser, which causes the banner to be shown again on your next visit.

Browser controls

All major browsers allow cookies to be blocked, restricted to first-party only, or deleted. These controls are found under privacy or site settings and operate independently of our banner. Blocking strictly necessary cookies will prevent parts of the site, including signing in, from working.

Google Analytics opt-out

Google provides a browser add-on that prevents Google Analytics from collecting data across all sites that use it. This operates independently of the consent given here.

Personal data associated with cookies is handled as set out in the privacy policy.