Geoff, unless they have a licence, then I think the Gambling Commission would take an interest in such activity. Always best for a business to stay out of areas that are non of its concern. 

Wasn’t there someone on the site a while back attracting free advertising for his business selling lottery tickets for several ventures to do with flights and track days? ISTR reading in the press that an operation of that type had fallen foul of the Law and been shutdown.