Moresand Group has become a member of Abta after expanding into the luxury package and tailor made holiday sectors.
The company launched a new division Affordable Luxury Travel in 2016, headed up by Patric Gaudini.
The company said joining Abta will enable it to work with all tour operators, provide more ‘confidence and benefits’ to its leisure and corporate clients.
The Moresand Group, which was founded by PS Kang operates brands including Crystal Travel, Travel Centre UK, Air Travel Guide and Tour Center.
The business turns over more than £120 million a year.