Stick to as few FTO's as you can, it makes the audit trails so much easier, for an employer, as well as the CAA. Certain airlines do still prefer the 'single' FTO thing, others dont really care. As for the Corporate job market, very difficult to get into without some decent hours in the logbook. Rich private owners want people with experience, not a spotty faced 18 year old with an ink wet licence who hasnt got a clue what theyre doing
! Its also who you know and not what you know in Biz/Corp.