Key Mortgages and Protection Ltd trading as key mortgages is an appointed representative of PRIMIS Mortgage Network. PRIMIS Mortgage Network is a trading style of First Complete Ltd which is authorised and regulated by the Financial Conduct Authority. Our typical fee ranges from £250 - £495 depending on your circumstances. Key Mortgages and Protection Ltd is Registered in England and Wales. Registered company number: 12251271. The guidance and/or advice contained in this website is subject to UK regulatory regime and is therefore restricted to consumers based in the UK.*5 star rated based on Google reviews.