The Nautical Archaeology Society (NAS), established in 1972, is a charity registered in England and Wales and in Scotland and is a company limited by guarantee.

The charitable aims and object of the company are to further research in Nautical Archaeology and publish the results of such research and to advance education and training in the techniques pertaining to the study of Nautical Archaeology for the benefit of the public

More information on the Wikipedia page [1]

The website is [2]