Nationwide Building Society provides mortgage, savings, and other financial products and services. It operates in three segments: Personal Financial Services, Commercial, and Group. The Personal Financial Services segment includes the provision of mortgages; banking and savings products and services; credit cards; unsecured personal lending products and services; general insurance products; life insurance products; and unit trust investments. The Commercial segment comprises lending to registered social landlords and other loans to support investment in commercial properties and residential housing; treasury income generation activities; and residential letting agency services. The Group segment includes rental of properties. The company is based in Swindon, the United Kingdom.