If you drive, even very occasionally, for an employer they may be a source of sponsorship for the Advanced Driver programme!
This is particularly relevant for small to medium organisations without a vehicle fleet that rely on employees to use their own or company vehicle on company business.
Health and Safety legislation places a responsibility on employers to assess risk and provide suitable measures such as training to minimise such risks.
So if you are considering further driver training and your employer requires you to make occasional deliveries, go for the post, pick up visitors or visit customers, then you could ask your employer for help to cover all or part of the cost. The sponsorship you gain, however, is a matter between you and your employer.