If/when you talk to a data recovery service, ask if they have a Class 100 Clean Room.
https://datatechlab.com/about-datatech-labs/iso-5-certified-class-100-cleanroom/
If you MUST get your data back, be wary of using an installation that does not have a C100CR. The best firms have them, the lesser players do not.
If you are really stuck, consider an overseas firm; they are the best in Australia by far:
https://www.payam.com.au