• Adweek, Tuesday, January 8, 2008 11 AM

Client discontent reached an all-time high last year, as $27.5 billion went into review last year. The figure represents a 57 percent increase over 2006 and a $5 billion increase over the previous record of $22 billion in 2005. The number of clients that switched ad agencies was also up 20 percent to 153, compared to 128 in 2006. The data was compiled through an analysis of accounts totaling over $20 million.

The biggest shift last year was Dell Computer's $4.5 billion global review, won by WPP Group, which created a new agency specifically for the account. Other big switches included J&J's $3 billion global media, AT&T's $2.3 billion media, and SprintNextel's $1.2 billion creative accounts.

According to the analysis, the five most active categories were computer/software, telecommunications, packaged goods, auto and retail.

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