I'm close to holding an opinion that anyone who splatters any Courier Systems vehicle does the industry a service. It is possible to very slowly work your way up to a point where you might make £300 in a week there, but they are the most slimey reptiles you'll ever meet. They steal money from just about everyone who's ever worked there and if you want to know what a less-than-committed Nazi war criminal's face looked like, as he loaded Jews into gas chambers, just take a look as the visogs of the vermin who work at Courier Systems when they're explaining why deductions have been made - they really hate what they're doing but, hey, it's better than working for a living. Lincoln's probably the one who looks most disconcerted; Pablo, on the other hand, looks like he enjoys it. I wouldn't advise anyone to work for them. Ever.
Churchill allegedly offer genuine garras, so it ought to be snapped up if you're a real novice and are being offered £250 per week.
Greyhound are nice to work for but you ain't gonna make much money there.