Current Register 1st December 2012 - 28th February 2013
- Advocate
- APCO Worldwide
- B2L Public Affairs
- Bellenden Limited
- Blue Rubicon
- Brevia Consulting
- Burson-Marsteller
- Butler Kelly
- Cavendish Communications
- Chambré PA
- Champollion
- Cherton Enterprise
- Cicero Consulting
- Citigate Dewe Rogerson
- Cogitamus
- College Public Policy
- Connect Communications
- Costain McCade, Illiam
- Deryn
- Ecuity Consulting LLP
- Edelman
- EPPA UK Ltd
- EUK Consulting
- Fishburn Hedges
- Fleishman-Hillard
- Four Communications
- Freshwater Public Affairs
- Gardant Communications
- Grayling
- Greenhaus
- Green Issues Communique
- Grogan, Rosemary
- The GUIDE Consultancy
- Hanover Communications
- Heathcroft Communications
- Helen Johnson Consulting Limited
- HKStrategies
- Hume Brophy
- iNHouse Communications
- Insight Public Affairs
- Interel Consulting
- JMC Partners LLP
- Just Health PR
- Keene Communications
- Ketchum
- Lansons Public Affairs
- Lexington Communications
- Luther Pendragon
- MacThomais Political Consulting
- Maitland Political
- Message Matters
- MHP Communications
- Munro & Forster
- New Consensus Communications Limited
- Newgate Communications
- Nick Kemp Associates
- Open Road
- Pagefield
- PB Political Consulting
- Perspectiva Consultants
- Political Intelligence
- Political Lobbying & Media Relations
- Portland
- Positif
- PPS Group
- The Public Affairs Company
- Quiller Consultants
- Snapdragon Consulting
- Sovereign Strategy
- Stratagem (NI) Ltd
- Tetra Strategy
- TLG Communications Ltd
- Weber Shandwick
- Westbourne Communications
- Westminster PA
- The Whitehouse Consultancy Ltd