OceanGate, the owner of the Titan submersible that imploded last month, killing all five passengers on board, has fully suspended its activities.
The company posted a one-line note on its website saying it had stopped “all exploration and commercial operations”.
On its website the company had also advertised tours to the Portuguese archipelago of Azores and the Bahamas.
An investigation is ongoing into how the sub imploded during a dive to the Titanic wreck on 18 June.
Led by the US Coast Guard, authorities said the inquiry would aim to prevent similar accidents in future.