Marketing Manchester chief executive Andrew Stokes said: "This week, the city delivered another first class event for the Conservative Party. The success of the 2009 and 2011 conferences is testament to Manchester’s partnership approach and we are thrilled to announce that this has enabled us to secure two future Conservative Party Conferences – 2013 and 2015 - for Manchester.
"Business tourism is vital to the Greater Manchester economy. Conferences such as these have a long lead time but it is important that we invest resource in winning these conferences now to ensure long term economic stability for tourism businesses."
Angie Robinson, chief executive of Manchester Central, added: "We have received wonderful feedback from delegates regarding Manchester Central and the warm welcome they have received from the city of Manchester."
Business tourism was worth £573m to Greater Manchester in 2010. Businesses in Greater Manchester benefitted from the 4.2m delegates that came to the city and the 56,900 business events they were attending.