Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,432 pages of information and 233,521 images on early companies, their products and the people who designed and built them.
of Neptune Works, Bridge Street, Birkenhead
1853 Company founded.
1914 Shipbuilders and Repairers, Engineers, Boilermakers, Steam Yacht and Boat Builders, Ship and Yacht Outfitters. Specialities: Light Draft Steam and Motor Vessels of all kinds, all descriptions of small craft, ship repairs of all kinds. 
1921 Became private company.
1961 Ship repairers and boiler makers. 350 employees.