What are the requirements placed on the employer ? What documentation do you need to have, when do you need to carry out repeat checks, what do the different visa’s mean etc. This can be a bit of a minefield, with costly consequences for getting it wrong. The fine for employing an illegal worker is currently £20,000 per worker. We can provide you with a checklist to take you through the process correctly. We can also advise on the validity of individual visa’s and what they allow the worker to do.