The increase in wealth in London has meant strong growth for many security companies, which are having to be more flexible and sophisticated in the way they protect their clients.

Paul Barnes, operations director for Crown Protection Services, says the domestic protection of the super-rich has grown in just a few years from a tiny percentage of the company’s business to about 12 per cent.

He said: “That’s a big leap and we are getting at least one new inquiry about domestic protection a week. You used to protect just the businessman, but now it’s also the wife, the kids, the car and the pets too.

“It’s definitely a growth market. These days people are demanding a concierge, security cameras and someone to monitor them, a patrol officer with a dog, alarms and security gates.

“Security always used to be an add-on but now in the big new houses all the wiring for the cameras and alarms is planned from the start and goes in right at the beginning.”

The north London-based company, which also offers corporate security and close protection “bodyguard” services, says it has an increasingly international client base. “It used to be mainly for Arabs but now it’s across the board with lots of Europeans and the Russians have come on to the market in a storm in the last five years.”

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