support cookie policy faqs contact us cahoot is a division of santander uk plc. registered office 2 triton square regent s place london nw1 3an united kingdom . registered number 2294747 . registered in england and wales . www.santander.co.uk . telephone 0800 389 7000 . calls may be recorded or monitored . authorised by the prudential regulation authority and regulated by the financial conduct authority and the prudential regulation authority . our financial services register number is 106054 . you can check this on the financial services register by visiting the fca s website www.fca.org.uk register or by contacting the fca on 0800 111 6768 . cahoot santander and the flame logo are registered trademarks .