How to check a boarder's licence
1) Ask the business for their licence number. 2) Check your council's animal licensing register (many publish open data — that is what this site reproduces). 3) If in doubt, email the council's licensing team. Never board with an unlicensed operator: they have not been inspected.
Informational content — not legal advice. Regulations: Animal Welfare (Licensing of Activities Involving Animals) (England) Regulations 2018. Always confirm details with your council.