The agency beat CHI & Partners, Delaney Lund Knox Warren & Partners, and Miles Calcraft Briginshaw Duffy to the account.
DDB will now take responsibility for producing an ad campaign informing people of changes to the pension system.
DDB will work on the DWP roster alongside Leo Burnett, which was appointed by the DWP in September last year to handle a long-term umbrella campaign to promote the benefits of working.
