Contact your EHO, and they will send you a ,Safer Food Better Business' pack with a DVD, a lot is to do food service but it covers all the things that EHO are read hot on.
If you are selling direct from the butcher the meat will be chilled but you will need insulated containers. If you something like this,http://www.pecheur.com/en/gb/buy-cool-box-portable-igloo-237l-88465.html?af=393329&gclid=CPDGh8f_3r8CFcSWtAodsUIA_w, and use ice packs, and one of these
http://www.nisbets.co.uk/Hygiplas-Fridge-Freezer-Thermometer-With-Alarm/F314/ProductDetail.raction they hold their temperature really well. If you use fridges/freezer for storage keep them separate from household and keep records of temperature. EHO love paperwork so keep records of suppliers and label everything with a date. They also love handwash facilities(rightly) so if you are going to be handling the meat make sure you have some.
Nibets are wonderful for bits and bobs.