Probe into Dentsu overcharging clients in Japan reveals catalogue of failures

An investigation into overcharging at media agency Dentsu in Japan has revealed almost 1000 financial and reporting errors, with 96 affected advertisers.

The company has vowed to take disciplinary actions against executives.

Dentsu listed 40 cases of overcharging to 10 advertisers – where the requested number of digit ads were not fulfilled – and more than 950 cases of substandard reporting.