Black and White Hospitality Management has taken over the operation of the Westbridge hotel in London's Stratford.
It will also provide strategic management advice for the 80-bedroom hotel, which joins the New Road hotel in Bethnal Green and the Lansbury hotel in London's Docklands within its management portfolio.
Chairman and chief executive Nick Taplin said: "Adding this amazing, four-star hotel to the Black and White portfolio really is a fantastic achievement and we're naturally delighted to have been brought in to help the owners maximise the hotel's profitability."
Black and White Hospitality hotels managing director Shezan added: "The Westbridge is a superb building in what has become a very innovative and desirable area of London. Its rooms are beautifully appointed and will now work closely with the hotel's owners to improve its all-round operation, revenue and profitability."
Black and White Hospitality's management portfolio spans from limited service hotels through to luxury full-service hotels with conferencing, events, health clubs, spas and restaurants.