The operator has been granted Travelife Partner status under the Travelife sustainability scheme set up in 2007 by Abta and its Dutch counterpart ANVR.
Earlier this year, Inside Travel appointed Sophie Walker as sustainable tourism coordinator.
“I am so proud that we can now call ourselves a Travelife Partner,” she said.
“We started this process in January but, of course, there have been all sorts of issues affecting the travel industry over the rest of the year.