Neither Lindsley nor Painter would comment.
It is not currently clear who will run the public affairs practice when the pair depart, but TCG chairman Maureen Smith said: ‘As a result of a number of significant wins we are in the process of a high-level recruitment programme.’
She added: ‘We have already made some exciting appointments, and Ian Lindsley and Anthony Painter will be leaving in due course.’
Lindsley joined TCG nearly three years ago (PRWeek, 12 January 2001), replacing Mark Adams, who quit to launch Foresight Communications.
Painter joined TCG around 18 months ago from his own consultancy.
TCG beefed up its financial offer last month, when former GCI Financial European MD Alex Mackey sold his agency, Catullus Consulting, to TCG (PRWeek, 5 September).
This followed the departure of TCG corporate MD Michael Hayman, who joined Hill & Knowlton in May (PRWeek, 16 May).