I was interested to read the recent case of IX v IY  which considered the question...
Franchise acquisition experts
Birkett Long act for a highly acquisitive client, undertaking multiple purchases of franchise outlets across the UK, ranging from 3 or 4 outlets at a time; in some instances liaising with Scottish lawyers to deal with Scottish real estate aspects. The Business Team were supported by the Commercial Real Estate Team, as the franchise premises formed a major aspect of the deals.
Our competitive fees compared to a national firm that competed for the instruction, combined with our experience of franchise operations, gave the client confidence and confirmation that we were the right team to instruct on the matters.