Prior to his career in photography he was drummer for the Scottish pop rock group The Marmalade from 1978 to 1980 and performed on their 1978 album Doing It All For You.
Williamson specialises in monochrome photography and fine art portraiture influenced by European Mediaeval Artists.
Williamson worked as a photographer for the artwork on the 1998 Cradle of Filth album Cruelty And The Beast.
Most recently in 2016, he won the UK Master Photographer of the Year 2016/17 award.
[citation needed] In 2013, after investment from an entrepreneur friend, Williamson sold his majority stake in the Dubai business and subsequently returned to the UK [9] where he continues his photography business from his studio in Kibworth, Leicestershire.