BRITAIN IRELAND SCOTLAND YOUNG PEOPLE WOMEN Mariusz Kantorski, 25 RESULTS 2006 Ranking Worth Industry 40= £10m Construction Kantorski, a Polish builder, lives in London and runs his own building company, Markan. Its first accounts, for the year to September 2004, showed a £1.5m profit on £38m sales. It is easily worth £10m. RESULTS 2005 Ranking New entry Worth £m