Salt is a trading name of Derbyshire Home Loans Limited.  Derbyshire Home Loans Limited is a wholly owned subsidiary of Nationwide Building Society and is authorised and regulated by the Financial Services Authority under registration number 302586. Most buy-to-let and all commercial mortgages are not regulated by the Financial Services Authority.  Registered Office: Nationwide House, Pipers Way, Swindon SN38 1NW. Registered in England. Company Registration Number 2628265.