Dream World Travel owes consumers an estimated 11 million dollars.
The company failed on Wednesday, confirmed by theCAA.
This summer, Dream World Travel carried 4,450 passengers.
Customers were able to pay the balance of their booking in monthly installments through the company.
Long-haul travel to the US, South America, Southeast Asia and Australia was what it sold.
Al-umrah.com, Businessclassflights.co.uk, Bookholidaysonline.com and Bookonlineflights.com are all owned and operated by Dream World Travel.
One of the UK's leading independent travel agencies is what it says. Abta was not involved in the company's affairs.
The most recent accounts show a loss of over 20,000 for the 12 months to the end of June.
At this time, it had almost 9 million dollars in debt, plus an additional 2 million dollars in bank loans, but had just under 3 million dollars in assets.
The accounts were signed off by auditors after Pittalis Gilchrist resigned.
Despite the start of the Covid epidemic in March of 2020, Dream World Travel made a profit after tax of just £8,225.