GDGC is a trading style of The Quality Assurance Service Co Ltd who are authorised and regulated by the Financial Conduct Authority, our registered number is 629677. This can be checked by visiting the Financial Service Register (https://register.fca.org.uk). Our registered address is Northern Assurance Buildings, Albert Square, 9-21 Princess Street, Manchester, M2 4DN. Company Registration 03230676. Registered in England.