At Wanaka Camera Shop we have been recovering images from deleted memory cards and USB drives for over 10 years.
Depending on the size of your device (16gb, 32gb, etc), we can generally recover images and video within 1-2 hours. Any recovered data will then be saved onto a new USB for you to take with you.
The cost of recovery of 1 device (card/USB) is $50 PLUS USB. If we do not recover anything there is no charge.
Note: It is important that if you notice any problems, or have accidentally deleted your memory card, you stop using the card as soon as possible to allow the best chance for a successful recovery