The event is taking place on 17-18 June in County Fermanagh and CTN, a corporate communications and events agency, will manage all production aspects including accommodating the leaders, their delegations and accredited media.
CTN will also provide the conference and media filing facilities and will act as host broadcaster, providing pooled television pictures and the facilities necessary to help UK and international broadcasters cover the event.
The UK currently holds the presidency of the G8. The summit, to be hosted by the Prime Minister, will be an opportunity for G8 leaders to have frank and open discussions about the important global issues of the day, especially how to drive global economic growth.
CTN Communications was appointed by the Foreign & Commonwealth Office and is also currently engaged with the Ministry of Defence.
Stephen Watson, chief executive of CTN Communications, said: "This is a hugely important and high profile undertaking, which needs to be delivered to a very high standard, on time and within budget.
"Lough Erne is one of the most beautiful locations in the UK. It will be our task to help create a Summit that has an intimate feel in this breath taking location, while accommodating the people, facilities and infrastructure necessary for an event of this nature."
The G8 (Group of 8) is made up of Canada, France, Germany, Italy, Japan, Russia, the USA and the UK. The EU is represented by the President of the European Commission and the President of the European Council.