Hornblower UK Holdings, based in San Francisco, is taking over the river Thames operator from former chairman and chief executive, Gary and Rita Beckwith.

It said all City Cruises staff would be retained with the Beckwiths staying on as consultants for several months to help with the transition. 

Gary said: “We believe the sale of City Cruises to the Hornblower family of brands will take the brand to the next level of success.

“We have always been at the forefront of change and believe our growth and success over the years is testament to our commitment to embracing innovation, constantly investing in our vessels and our customer experiences, and our dedication to providing outstanding customer service every day of the year.”

Hornblower has been operating for 35 years in the US and runs river and harbour cruises, whale watching trips and ferries throughout North America. 

Terry MacRae, chief executive of Hornblower’s US parent, said: “We have long had the ambition to enter the European market and it makes perfect sense to start our journey in one of the most iconic cities in the world.”