Email support@sigill.tech. We aim to reply within one to two working days.
Please include the report type, the reference date, and what the error message said — it saves a round trip.
If you are locked out of your account, write from the address you normally sign in with where you can, so we can confirm who you are.
Data protection enquiries go to privacy@sigill.tech and contractual enquiries to legal@sigill.tech.