References seem to point here....
Watney Mann was formed in 1958 with the merger of Watney, Coombe, Reid & Co. Ltd with Mann, Crossman & Paulin Ltd with brewing taking place mainly at the former Mann's plant. Merged with Grand Metropolitan Hotels in 1972 and the brewery was closed in 1979.
GRAND METROPLITAN
Mann, Crossman & Paulin Ltd, Albion Brewry, 172 Whitechapel Road.
Albion Brewery built 1808 by Richard Ivory, landlord of the Blind Beggar. Acquired by Blake & Mann of the Stanbridge Brewery, Lambeth in 1818. Robert Crossman, manager of the Border Brewery Berwick-upon-Tweed became a partner in March 1846 and Thomas Paulin of the Isleworth Brewery joined the partnership in the same year. Also brewed at the Albion Brewery, Burton on Trent 1875-96. Registered October 1901. Merged with Watney, Combe, Reid & Co. Ltd. 1958 to form Watney Mann Ltd. The Albion Brewery was closed in 1979 but the building (Grade II listed) still stands.
During the siege of Sidney Street in January 1911 a detachment of Scots Guards used the brewery tower to fine into the besieged house.