PETS at Home will aim to double in size to 500 stores in the next few years under the ownership of KKR, according to chief executive Matthew Davies.Mr Davies said not only the price  - £955m  - but the opportunity to work with the US firn, which also owns Boots and Toys R US, had been a key factor in the sale process."Of course they've paid a great price for a great business, but in the premier league of private equity firm, KKR is at the top, with more than a million employees in 54 countries."While we ran a ......for the full story register now for free or login below...