Whether you are a sole trader, a partnership or a company, the rate of tax is currently set at 25%. The personal allowance is standard for all at £7,000 per annum. Certain allowances and rules do apply, and these are detailed in the Income Tax Ordinance which can be found on the St. Helena Government website: www.sainthelena.gov.sh/laws.
If you require further guidance, or have a specific question, you can contact the islands Assistant Commissioner of Income Tax: Gillian Knipe,
St Helena Island,
South Atlantic Ocean,
Telephone: +290 22287