Portman Building Society
| Company type | Building Society (Mutual) |
|---|---|
| Industry | Banking and financial services |
| Founded | 1846 |
| Defunct | August 2007 |
| Fate | Merger with Nationwide Building Society |
| Successor | Nationwide Building Society |
| Headquarters | Bournemouth, England, UK |
| Products | Savings, Mortgages, Investments, Loans, Insurance, Pensions |
| Website | www.nationwide.co.uk |
The Portman Building Society was a mutual building society in the United Kingdom, providing mortgages and savings accounts to consumers and offering loans to commercial enterprises. Its head office was in Bournemouth and its administration centre in Wolverhampton. Portman merged with the Nationwide Building Society in August 2007.