A recent episode of The Ancients talks about how oil and mineral exploration companies have been sharing their seismic mapping data of Doggerland with archeologists:

https://shows.acast.com/the-ancients/episodes/doggerland-the...

Partnering with industries that are mapping areas is certainly the only cost effective way for academic to work in submerged landscapes:

https://archaeology.org/issues/march-april-2022/letters-from...