Here's a list of businesses (and their ratings) in the Mobile caterer category.
In England, Wales and Northern Ireland food hygiene ratings are provided by the The Food Hygiene Rating Scheme (FHRS). Ratings in Scotland are provided by a similar scheme called the Food Hygiene Information Scheme (FHIS).
You can read more about FHRS and FHIS food ratings here.
Click on a establishment below for more information:
1 Kemble Street, London, WC2B 4AN

Total Score: (lower is better)
Chalton Street Market, Chalton Street, London, NW1 1JH

Total Score: (lower is better)
Unit 3 Euston Station, Eversholt Street, London, NW1 2DU

Total Score: 10 (lower is better)

Total Score: 10 (lower is better)
3-16 Woburn Place, London, WC1H 0ND

Total Score: (lower is better)