He joined the Labour Party in 1970 aged 18, and in 1973 he became a trainee at the Yorkshire Bank.
In the mid-1850s, he helped found the Yorkshire Penny Bank (to encourage workers to save), and he worked closely with the Halifax Permanent Building Society (later the Halifax Building Society) to promote home ownership through his model village Akroydon.
His father Harold was a branch manager with the Yorkshire Penny Bank (now Yorkshire Bank), and he was something of a disciplinarian at home.
Over 18,000 British homeowners holding adjustable rate mortgages with Yorkshire Bank and Clydesdale Bank found in July 2010 that their monthly variable interest rates had been miscalculated by a software error.
Yorkshire | World Bank | West Yorkshire | North Yorkshire | Bank of America | West Bank | South Yorkshire | Scarborough, North Yorkshire | Deutsche Bank | East Riding of Yorkshire | Bank of England | International Bank for Reconstruction and Development | African Development Bank | West Riding of Yorkshire | Halifax, West Yorkshire | Asian Development Bank | Yorkshire County Cricket Club | Inter-American Development Bank | bank | South Bank | Lloyds Bank | Lloyds Bank (historic) | Yorkshire Dales | European Bank for Reconstruction and Development | National Australia Bank | Marsden, West Yorkshire | Chase (bank) | West African Development Bank | State Bank of India | Malton, North Yorkshire |
Yorkshire Bank are the current sponsors, taking over the naming rights from their parent company Clydesdale Bank from the 2013 edition.
In April 1999, Leng played for Yorkshire Bank first team in the Bradford Cricket League, the first woman to play in that league, and became the first woman to play inter UCCE cricket in 2001.