Honourable Company of Master Mariners

The Honourable Company of Master Mariners is one of the Livery Companies of the City of London. The Company was formed in 1926; it was made a Livery Company by the City of London in 1932, making it the first new Livery Company to be formed since 1746. While the other Livery Companies are entitled to the style Worshipful, the Master Mariners are styled Honourable, King George V having granted them that honour in 1928.

The Company aids nautical schools and promotes nautical research. It ranks seventy-eighth in the order of precedence for Livery Companies. Its motto is Loyalty and Service.

Instead of the usual livery hall, the Honourable Company of Master Mariners has a headquarters ship,HQS Wellington, moored on the Thames at Victoria Embankment.

...
Wikipedia