The same firm did that in 2018 in a different area but with a similar contract.
> On 17 October 2017, Malaysia received proposals from three companies (including the Dutch company Fugro and the U.S. salvage company Ocean Infinity) offering to continue the search for the aircraft.[237] Later that month, the Malaysian government released a statement that it was in discussion with Ocean Infinity to make a further underwater search in the area to the north of the 2016 search, on the basis of no fee if the wreckage was not found.[238] The search started on 22 January and ended in June 2018 without finding the aircraft.
> On 17 October 2017, Malaysia received proposals from three companies (including the Dutch company Fugro and the U.S. salvage company Ocean Infinity) offering to continue the search for the aircraft.[237] Later that month, the Malaysian government released a statement that it was in discussion with Ocean Infinity to make a further underwater search in the area to the north of the 2016 search, on the basis of no fee if the wreckage was not found.[238] The search started on 22 January and ended in June 2018 without finding the aircraft.
https://en.m.wikipedia.org/wiki/Search_for_Malaysia_Airlines...