OpsSix it doesn't matter if you paid the Queen for your flight, it's a Stobart Air Service.
Expressflight, who is legally responsible? I've no idea, that's above my pay grade, unless of course your question had a slight rhetorical theme to it?
LGS6753 I completely agree, I don't know why there's a need for them to keep getting into bed with other "outfits". There's not many success stories to talk about.