You get in touch with Cetis using the email info@cetis.org.uk, or contact an individual staff member by emailing them directly (addresses on the People page).
Our registered address, for formal or official correspondence only, is: CETIS LLP, Halton Mill, Mill Lane, Halton, Lancaster LA2 6ND. As we use physical post as little as possible, if you send anything to this postal address, please alert the appropriate partner at the same time.