The list spans in-house teams from the public sector, the private sector and not-for-profit organisations.
The full list includes The AA, Derbyshire County Council, eBay, King's College London, London Borough of Hillingdon, The Metropolitan Police Service, Nationwide, Procter & Gamble, The Society of Trust and Estate Practitioners, Stockport Metropolitan Borough Council, Visa Europe and Westminster City Council.
Metropolitan Police Service director of public affairs Dick Fedorcio said: ‘Associate membership of the PRCA will help strengthen our professionalism and allow us to contribute to and learn from best practice, so that we can continuously improve how we communicate.’
The decision to welcome associate members was taken following consultations with PRCA member agencies with the aim of raising the standards of PR in the UK.