Business Visitor visas are for individuals whom are employed in another country and wishes to visit the UK for a short period of time and engage in business related activities (seminars, meetings, etc.). This visa does not permit you to work in the UK and/or engage in activities which you are being remunerated for.
You can apply for a Standard Visitor visa if you want to visit the UK for business-related activities, eg:
you’re coming to the UK for a conference, meeting or training
you want to take part in a specific sports-related event
you’re an artist, entertainer or musician and coming to the UK to perform
you’re an academic and are doing research or accompanying students on a study abroad programme
you’re a doctor or dentist and are coming to the UK to take a clinical attachment or observer post
you want to take the Professional and Linguistic Assessment Board (PLAB) test or sit the Objective Structured Clinical Examination (OSCE)
you want to get funding to start, take over, join or run a business in the UK
What you can and can’t do
You can:
take part in any of the business-related activities mentioned in the Visitor Rules
study for up to 30 days, as long as it’s not the main reason for your visit
take part in an exchange programme or educational visit (if you’re under 18)
convert your civil partnership into a marriage
You can’t:
do paid or unpaid work
live in the UK for long periods of time through frequent visits
get public funds
marry or register a civil partnership, or give notice of marriage or civil partnership