Former whistleblower Andrew Wilkie says the three key independents, who are being wooed to help form a minority government, are just acting like another political party - with three separate factions.

Mr Wilkie, who is tipped to take the crucial Tasmanian seat of Denison, said he was "uncomfortable" with the way they were behaving - and had "quite deliberately" put off talking to them.

''I'm a little uncomfortable with the way the three incumbent independents are apparently acting as one, as a bloc,'' he told ABC Television.

Wilkie counsels caution