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:
Ground Floor International House Pant Industrial Estate, Pant, Merthyr Tydfil, CF48 2SR

Total Score: (lower is better)
Unit 2 Merthyr Tydfil Industrial Park, Pentrebach, Merthyr Tydfil, CF48 4DR

Total Score: 20 (lower is better)
Unit 3 Harlan Business Park Goat Mill Road, Dowlais, Merthyr Tydfil, CF48 3TE

Total Score: (lower is better)
Suite 1 Triangle Business Centre Triangle Business Park, Pentrebach, Merthyr Tydfil, CF48 4TQ

Total Score: 5 (lower is better)
Webster House Dynevor Street, Georgetown, Merthyr Tydfil, CF48 1BA

Total Score: 35 (lower is better)