Grimaldi run a weekly RoRo service from Southampton. Any Import export broker / agent will be able to sort out the booking, I have been out of the business for a couple of years so do not have any contacts to hand, a quick google search should find one.
Mmd shipping at Pompey, talk to my lad Lewis Wilson, key account manager. Thay have experience in moving round WRC cars etc. Tell him Darren reccommended