The two major FTOs are Helitransair and LGM. Another good FTO is Air Lloyd. For ATPL-H ground school they will all sell you the CAT Worms distance learning course.
Actual ground school is optional. I dont know how your German is, but this document might give you a good first impression:
http://www.helitransair.com/fileadmi...nte/faajar.pdf
On top you might want to buy the training software EXAM by Peters Software.
Good luck with the LBA Examination
