FleishmanHillard Fishburn has referred itself to the PRCA following allegations of using misleading tactics and astroturfing.
It relates to work that the agency carried out on behalf of its client, SMG Europe.
The campaign was intended to raise concerns about a proposed new concert venue in Manchester and its potential impact on SMG’s Manchester Arena.
It included a leaflet which was sent from a “community group” called Friends of Eastlands. While SMG said it had been entirely transparent in its dealings, the leaflet didn’t say that it had been paid for by the organisation.