The new brand is being launched today at the AEO (Association of Event Organisers) Conference at the Olympia Conference Centre.
Olympia’s architectural heritage and the ornate barrelled roofs of the Olympia Grand and National halls have inspired the new design.
Also, the venue previously known as Olympia Two will be renamed Olympia Central to reflect its location and accessibility.
The £30 million redevelopment included infilling the atrium space on the first and second levels and a refurbishment of the facilities in the Conference Centre.
Nigel Nathan, Earls Court and Olympia group managing director, said: "The recent redevelopments at the venue have transformed Olympia creating more versatile spaces that complement our customer service.
"We enter 2013 by re-launching the space with the unveiling of a new, contemporary brand identity that will accompany us on our journey into the next 125 years."
Sister-venue Earls Court is also launching a new logo.
Destination: London's Olympic legacy for associations