Philippa D’Arcy, née Rose, set up recruitment firm The Rose Partnership in 1981, and has featured in lists of successful and rich female achievers in the city.
The scheme, which would now be illegal, involved the purchase and subsequent sale of gilts, claiming an expense on the purchase and creating relief on the gains. The scheme was put in place in 2002 by D’Arcy’s tax adviser Philip Shirley and brokers NCL Investments.
Tax experts suggested a claimed £1.5m loss in her tax return would shelter £600,000 in tax demands.
The arrangements emerged after D’Arcy won a tribunal against HM Revenue & Customs over the scheme. A spokesman for HMRC said the scheme had been rendered ineffective by changes to tax rules in the 2002 Finance Act, and said the taxman was considering whether or not to appeal in the case.
D’Arcy declined to comment.