The Financial Times has reported that chief executive Todd Stitzer will announce the cuts on June 19 in a presentation to company employees.
One of the major cut-backs planned is a move from its Berkley Square offices to Uxbridge in the Thames Valley, which alone could save the company several million pounds a year.
Cadbury is in the process of separating its beverages and confectionery businesses, to create more value for shareholders and create a more effective competition with rivals such as Hershey and Wrigley. If the beverages arm were to be sold it is valued at approximately £8bn.
The company's "Fuel for growth" project, announced in 2003, was its last cost-cutting mission. It involved the closure of more than 30 factories and aimed to save Cadbury £300m, although the final amount saved was never confirmed.
In 2006, the confectioner failed to hit sales targets as it attempted to recover from the salmonella scare that alleged some of the bacteria was found in products from the company.
In April ,Cadbury confirmed it had handed Fallon a project development brief under the Dairy Milk brand, moving away from sister Publicis Groupe agency Publicis. It is also in talks with several media buying agencies about its £16m account.
The brand recently ended its 10-year sponsorship of ITV1 favourite 'Coronation Street'.