Divewise Malta is one of favourite dive shops in the world. I have done a lot of training with them. From my Rescue course in October 2012, all the specialities that I did, through to the Divemaster internship that I did there before moving to the Bahamas.
Here is a video from Nev, one of the course directors at Divewise.
If there is anything that you want to do with regard to diving this dive shop is the place to go. I would recommend hitting them up if you are looking for a good place to go.