From 1838 until his death, he was Chairman of the Union Bank.
RBS was challenged over its financing of oil and coal mining by charities such as Platform London and Friends of the Earth.
Scotland | Royal Navy | Royal Air Force | World Bank | Royal Dutch Shell | Royal Society | Royal Albert Hall | Royal Shakespeare Company | Royal Opera House | Royal Victorian Order | Royal Engineers | Royal Australian Navy | Bank of America | Scotland Yard | Royal National Theatre | Royal Canadian Navy | Royal Canadian Air Force | West Bank | Royal Court Theatre | Universal Music Group | Royal Marines | Royal Commission | Church of Scotland | Warner Music Group | Deutsche Bank | Coxeter group | Scotland national football team | Royal Academy of Music | Anne, Princess Royal | Royal Philharmonic Orchestra |
It was acquired by National Provincial Bank in 1961, becoming part of the National Westminster Bank upon the merger of its parent with Westminster Bank in 1968 and joined The Royal Bank of Scotland Group in 2000 when the National Westminster was purchased by the Scottish bank.
Black led major programmes with clients including RBS, BP, McKinsey, Barclays, Zurich, InterCity and Sizewell B.