Try https://www.cruiseservices.co.uk/ a Scottish based company if they can't help they maybe able to point you in the right direction.
Depends what department you're requesting to find employment.
ON our cruise they were from all over he world. The legend had a lot of South Africans who were really good along with Germans, austrians, portugeese and eastern eurpeans with People from teh philipines and mexico as well. The captain was from Norway ?
All in all a really great service team and teh mix really worked well.
If its employment you are lookingat one of teh guys on board advised they use agencies in various countries and you can get this info from Seabourn