A distinctive piece of Old Blighty is on its way to the streets of Brisbane.

Brisbane's hop-on, hop-off tourist bus service has a brand new operator and its bringing two London-style, open-top double-decker buses to ferry visitors around the River City from the beginning of November.

Lord Mayor Graham Quirk observes from the top deck.

Lord Mayor Graham Quirk announced on Tuesday morning that tourism specialist City Sightseeing was soon to take the reins of the City Sights tourist bus service from Brisbane Transport, which runs the city's commuter bus network.

The company runs similar hop-on, hop-off services for tourists in Sydney, Bondi Beach, the Blue Mountains, Mornington Peninsula, Canberra, Darwin, Cairns, Perth, and Hobart.