Background
Cayzer was the third son of Sir Charles Cayzer, 1st Baronet, head of the shipowners Cayzer, Irvine & Company He joined the Royal Navy as a Naval Cadet in HMS Britannia.
Cayzer was the third son of Sir Charles Cayzer, 1st Baronet, head of the shipowners Cayzer, Irvine & Company He joined the Royal Navy as a Naval Cadet in HMS Britannia.
In May 1902 he was appointed to serve as Lieutenant on the armoured cruiser HMS Sutlej, leaving for the China station the following month, and Cayzer left the navy later that year. He was promoted Lieutenant-Commander on the Emergency List in 1906. On leaving the Royal Navy, he joined the family firm, later becoming chairman.
He was also chairman of the Clan Lincolnshire, Houston Lincolnshire and Scottish Shire Lincolnshire, as well as several other companies.
He was a director of the Suez Canal Company. Cayzer was created a baronet in the 1921 New Year Honours.
He was one of the earliest members of the Castaways" Club.