 During the 1930s Witty and his son, Frederick Jr., established the family company as traders and helped introduce well known names such as Cadburys, Johnnie Walker, Unilever and Bovril into the Spanish market.Witty also served as President of the Barcelona Ship Agents Association until 1936 and was a leader in the Barcelona and Spanish shipping communities.During the Spanish Civil War the company was exempted from a takeover by a workers committee as it was technically a British-owned company and it continued to trade successfully.