5b20a255__2010___The_Board_of_Directors__Potential_impact
[Issue] The Group receives a significant portion of its revenues from a limited number of large clients and the loss of these clients could adversely impact the Group’s prospects, business, financial condition and results of operations. [How it is managed] Global client account managers seek to ensure the Group maintains partnership relationship with major clients. Operating companies seek to establish reputations in the industry that attract and retain clients and key talent. Brand Check at every Board meeting and regular dialogue between directors of the Company and directors of the Group’s largest clients. [Potential impact] 
A relatively small number of clients contribute a significant percentage of the Group’s consolidated revenues. The Group’s 10 largest clients accounted for almost 18% of revenues in the year ended 31 December 2010. Clients generally are able to reduce advertising and marketing spend or cancel projects on short notice. The loss of one or more of the Group’s largest clients, if not replaced by new client accounts or an increase in business from existing clients, would adversely affect the Group’s financial condition.
WPP Annual Report 2010 - The Board of Directors