I have the following from the public database at Companies House, which shows what he was up to since the Alpha One venture (address redacted for obvious reasons. Clearly he took the Baby Branson to heart and started up a music shop, which also went nowhere. How sad.
Law on obtaining financial advantage by deception:
Deception offences - Wikipedia, the free encyclopedia
Name: MR MARTIN RICHARD ALEXANDER HALSTEAD
Nationality: BRITISH
Date of Birth: 18/05/1986
Address:xxxx
Current Appointments
07114817 VARSITY AIR SERVICES LTD Director 02/01/2010
Registered Office: OXFORD AIRPORT LANGFORD LANE, OXFORD, OXFORDSHIRE OX5 1RA
Appointments at time of Dissolution
05399837 ALPHA1 AIR SERVICES LIMITED Director 20/03/2005 05/12/2006
05798059 DELICIOUS MUSIC REPUBLIC LIMITED Director 27/04/2006 11/08/2009