 David Alberto, co-owner of serviced office company Avanta, has donated a suite in Westminster worth £100,000 a year, because he opposes the level of tax on businesses.from 2013-2018, it received at least £223,300 from US-based donors including $100,000 originating from a religious trust incorporated in the Bahamas

Construction magnate Malcolm McAlpine and a spokesman for JCB tycoon Sir Anthony Bamford, have said they also helped fund the TPA.The TPA does not release details of income or donors, and as such has been rated by the Who Funds You?