You can apply for a Permitted Paid Engagement visa if you:
You can stay in the UK for 30 days to conduct your paid activity.
You can be invited by a UK-based organization or client to:
Short term business visits
> Permitted Paid Engagement Visas
> Refusals of business visit visa
Establishing your business
> Representative of Overseas Business Visa
Investment and Talent visa
Working for a UK based employer
> Employer Sponsor Licence Application