Caroline cowan of cardiff canine citizens provides dog training classes, one to one sessions and behavioural consultancy services in cardiff, barry and south wales. more information about caroline. If your dog has behavioural issues, whether it involves anxiety, barking, stress or whatever else, cardiff canine citizens works with dogs and their owners to resolve problems.caroline cowan is the dog behaviourist / psychologist behind the company, offering both group training classes working towards the kennel club good citizen dog scheme (kcgcds) bronze, silver and gold awards, and one-to-one consultations and training sessions.. "happy days dog and puppy training is the fastest growing and highly rated dog training business in cardiff. their trainers strive to make every training session as fun and educational as possible for both your dog and you. the company offers one to one and group classes. the group classes are based in whitchurch and are great fun for the pups..