RE: TAX on Sale of MARL22 May 2017 14:23
Special CGT rules for AIM shares ended in 2008 so they are now taxed exactiy as FTSE shares.
The only exception as far as I know are shares acquired under enterprise investment schemes (EIS) which qualify for upfront income tax relief, loss relief, and CGT relief but these are only new shares issued (not ones bought in the market) and other conditions apply.
possibly your colleague is referring to inheritance tax rules?