Propeller will supply PR strategy and communication counsel to Wunderman London, as well as media relations and event activity to build further its profile in the UK market.
With more than 50 years of experience, 130 offices in 55 countries and 15 specialised companies, Wunderman, which is owned by WPP has clients including Ford, Nokia, Microsoft and Land Rover.
Propeller CEO Martin Loat said: 'Wunderman is an agency with a terrific heritage and wonderful story to tell. We are looking forward to telling that story. Propeller’s awareness and understanding of B2B PR for marketing agencies is very highly developed. We can show that we repeatedly add value and get results.'
Propeller already has relationship with sister WPP agency RKCR/Y&R.
Wunderman MD Brendan Tansey said: 'Propellor won on the strength of its ideas and it has done some great work for other agencies.'