Abta gained a summer boost with 12 new members signed up in the quarter from July.
Of the new additions, 10 trade as principals and two as dual members.
The association also added eight new partners in the three months to September 30.
The new members are: Mountain Heaven, Made on Holiday, Oldie Publications, Far & Ride, CITO, TravelTrex, Global Travel Desk, Infinity Media Promotions, Travel Transportation, The Travel Adventure, TicketTree.com and Bellarome.
New partners include Stein Richards, Cover-More Insurance Services, Equiniti Financial Services, Markadis and Los Cabos Tourism Board.
Abta chief executive, Mark Tanzer, said: “Once again we have welcomed more fantastic members and partners into our organisation.
“Our membership programme offers a huge range of resources and with seven in ten consumers expecting their holiday company to be a member of Abta, displaying the Abta logo is a great marketing asset.
“Our partner programme offers members access to a range of industry leading products and services.”