Evan Thomas, Radcliffe and Company was one of the more prosperous and better-known of Cardiff-based shipowning companies, established in 1882 by a Ceredigion sea captain, Evan Thomas, and a Merthyr Tydfil businessman, Henry Radcliffe. Until 1939 one of the main trades of the company was to carry Welsh steam coal, which reached its peak in the years immediately before World War I. The company was ceased trading in the 1980s.