Sorry, I should have searched further before posting the question as I believe I've found the answer: http://www.parliament.uk/business/publi ... -20/228629

I think it's okay

Hi all, I'm wondering if someone can help shed some light on the following situation. If I have received a job offer, RCoS, and a visa permitting me to work in the UK for the 3 years contract, but at the moment only have the temporary 30 day 'vignette sticker' visa: https://www.gov.uk/government/wor...