Contact
Get in touch
Three addresses, all of them read by the same person. CrestCast is built and run by Luke Walsh BSc ACA PgDip, its founder and only developer, through CrestCast Ltd, registered in Northern Ireland (company number NI744565, registered office 2 Grahamsbridge Park, Dundonald, Belfast, Northern Ireland, BT16 2DE). More about who that is on the about page.
Anything at all
hello@crestcast.co.ukGeneral questions, press and media, a correction to something on this site, a review of the calculators, or a suggestion. If you are not sure which address you want, use this one.
Help with your account
support@crestcast.co.ukTrouble signing in, a subscription question, something in the app that is not behaving, or a figure in a forecast you think is wrong. A screenshot and the screen you were on is usually enough to find it.
The affiliate programme
affiliates@crestcast.co.ukQuestions about referrals and payouts. The programme is on the affiliates page and the full terms are public.
Privacy and your data
The data controller for personal data collected through this website and the CrestCast app isCrestCast Ltd, of Belfast, Northern Ireland. For anything about your personal data, including a request to see it or to delete it, write to hello@crestcast.co.uk, which is the contact address for data requests. What is collected, and what is done with it, is set out in the privacy policy.
You can delete your account and everything in it whenever you want, from your account settings. Nothing goes straight away: we wait 30 days, so if you change your mind, signing back in cancels the deletion and leaves everything exactly as you left it.
For publishers and editors
The calculators are free to use, need no account and ask for no email address. They are open for anyone to link to, and if one of them gives an answer you disagree with, hello@crestcast.co.uk reaches the person who wrote the maths.
How the forecast itself is calculated is documented on how the forecast works, and what CrestCast does and does not do is on the about page.