Privacy.

Mat Siems — a sole operator based in London · UK. Contact: mat@matsiems.com.

• Marketing pages — no cookies, no analytics scripts, no fingerprinting. Server access logs (IP, UA, referrer) are retained by the hosting provider for ~30 days.
• /admin — restricted to mat@matsiems.com. Supabase auth stores an HTTP-only session cookie.
• Contact — there is no contact form on this site. If you reach out via LinkedIn or email, normal social/email platform terms apply.

• No third-party analytics, ad networks, or tracking pixels.
• No newsletter list, no remarketing audiences, no profile building.
• No selling, renting, or sharing of any data with third parties.

You can request access, correction, or deletion of any personal data held about you by emailing mat@matsiems.com. We respond within 30 days. You can also complain to the ICO (ico.org.uk).

Material changes will be noted at the top of this page with a new “last updated” date. There is no versioned history beyond the public git log of this site's source.