Hi holly_198
If you are supplying consultancy services from overseas to businesses in the UK then these would be accounted for by the business customer under the reverse charge procedure.
Please see the guidance below:
5. Reverse charge
However the important aspect to confirm is where you 'belong' for VAT purposes.
If you 'belong in the UK' then you will be making a UK supply and this will be taxable in the UK.
Please see the guidance below to determine this:
9. Non-established-taxable-persons (NETPs) — basic information
Thank you.