Global Witness is calling on all other British Overseas Territories to immediately follow suit and introduce a public register revealing the real owners of companies.
Over one in ten people across Britain own second homes, buy-to-let and overseas properties worth £941bn, according to new research by the Resolution Foundation.
The Equality Trust will be writing to the top 1000 on the Sunday Times Rich List with the aim of creating a wider range of voices in support of higher taxation.