Franchise - bookkeeping & main obligations

Wondering if anyone could help me with the below.

I have been asked to give a quote to someone who would like to start his own franchise business in the UK and abroad. The business structure is an LLP registered in the UK owned by 2 BVI companies. 

I do not have any experience with franchise businesses and I would appreciate very much if fellow accountants with this kind of experience could give me some general guidance about the specific issues I need to be looking into or be aware of. 

Thanks,

AS