The group, launched four years ago in an effort to increase diversity within the comms industry, will finish on Friday.
Bieneosa Ebite is chairwoman of the group, which she co-founded alongside Lee Edwards and Zena Martin.
Ebite explained that a lack of time was the main factor behind the decision.
‘It’s simply because we are a voluntary organisation that relies on the time of its volunteers,' she said.
'We decided we wanted to end on a high, and in the knowledge we have achieved a significant amount.’
Ignite PR’s work included lobbying key organisations like the CIPR and PRCA, as well as regular meetings.
In 2012 the group launched a ‘manifesto for change’ in which it called for immediate steps to be taken towards increasing diversty.
Ebite stressed the both she and other trustees of the group would continue fighting to increase diversity.
‘When I sat on the CIPR’s diversity steering group back in 2005 diversity was a tick box exercise, and there was no real commitment from most in the industry in terms of doing something long term.We’ve moved forward since then, but I would like to see a more measured approach taken to issues like disability and ethnicity, and more done in terms of tangible steps.’
Recent drives to increase diversity in the industry have included work by the PRCA and Pearson in Practice to lessen the use of unpaid interns.