High Speed Three (hs3) Limited was set up as Pri/ltd By Guar/nsc (private, Limited By Guarantee, No Share Capital), that is based in Gmh 5/28 Horseferry Road in London. The headquarters' located in SW1P 4DR. This firm has been prospering 15 years in the UK. The Companies House Reg No. is 06791731. The enterprise's SIC code is 49100 and has the NACE code: Passenger rail transport, interurban. High Speed Three (hs3) Ltd filed its account information for the period that ended on 2023-01-31. The most recent annual confirmation statement was released on 2023-09-03.