Newcastle-based travel agency Courtney Airsavers has ceased trading.
Abta confirmed the business, which had a shop on Saville Row in the northeast city, stopped operating on November 5.
It was run by directors David Ellis and Barry Harding.
Customers are advised to contact their tour operator to check the status of their bookings.
Abta said: “We are sorry to inform you that Courtney Airsavers Ltd has ceased trading with effect from 5 November 2020.
“Courtney Airsavers Ltd sold different types of holidays; it is very important that customers read and follow the advice depending on the type of booking that you have.
“The majority of holidays sold by Courtney Airsavers Ltd were sold as an agent for other tour operators. Courtney Airsavers Ltd also sold some Atol-protected flight-inclusive packages and flight only arrangements.
