Possible Clues:

• Transactions
• Going after croupier's job, succeeded in negotiations?
• Drug business angles directed by a single criminal
• Business in revived Ealing Studios
• Traffic in part of London impeding daughter and son
• Director initially oversees film studio's business
• Truck starts to decelerate, slowly skirting London borough
• Business angles I'd mulled over
• Traffic starts to disappear slowly across part of London
• Perhaps it's on the cards that they're businesslike