Collins Stewart Tullett Plc Formerly known as Collins Stewart Holdings PLC. The Group's principal activity is the provision of financial services that include institutional and private client stockbroking, market making, corporate finance, fund management and the supply of on-line financial information. Agency commissions accounted for 51% of 2002 revenues; corporate fees, 31%; market making/principal turns, 8%; management fees, 9% and other income, 1%.