The Royal Environmental Health Institute of Scotland has a range of courses, all Certified and recognised worldwide. Wendy Barrie is a Registered REHIS Trainer for Introductory & Elementary Food Hygiene, Allergens, Elementary Food & Health, and Cooking Skills.

REHIS promotes the advancement of health, hygiene and safety in Scotland. Based in Edinburgh REHIS is an independent self-financing Scottish registered charity promoting education and professional practice in environmental health. REHIS acts as the awarding body for a number of qualifications in Food Safety, Food & Health and Occupational Health & Safety, details of which are available from their office.