Following the decision to leave the EU, the UK has engaged in commercial talks with other countries, many of which have a poor record of labour movement rights.
When trying to decide who is a worker in a three-way set-up, tribunals must ensure that they have considered all the issues that are pertinent to the situation.
It is perfectly lawful for employers to impose contractual restrictions on employees in case they leave to work for a competitor as long as they are rational.