You can use this as a resource for pre-submission checks on non UK/Ireland nationals. Firstly, check the Home office website to see whether you need a VISA in the first place:. https://www.gov.uk/apply-to-come-to-the-uk

Since the UK left the EU on the 1st January 2021 if you’re coming to work in the UK as a Veterinary Surgeon or Veterinary nurse need to get a Frontier Worker permit:  See our blog post on the increase of locum Vet jobs available here https://www.glvets.com/locum-vet-jobs-in-the-uk-since-brexit/. You may be eligible if all of the following apply: