In the UK, whether you need a licence to operate as a pet sitter depends on the specific services you offer. If you are simply providing pet sitting services by visiting clients' homes to care for their pets, generally, you do not require a licence, as this activity is considered a form of personal pet care. However, if you run a pet boarding facility, where animals are kept at your property overnight or for extended periods as part of a business, you are legally required to obtain a licence from your local authority. This licensing ensures that your premises meet specific standards for animal welfare, safety, and hygiene. It is important to check with your local council for specific regulations, as requirements can vary across regions and depend on the scale of your services.