* Starcom Mediavest split and launched Mediavest as a separate agency from 1st March 2016
Note Billings for the top 50 media agencies are based on accounts handled on a media buying basis.
Top 50 media agencies ranked by Nielsen
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Following a series of news stories highlighting issues such as job cuts and payments below the minimum wage, is the shine coming off John Lewis? Or is this simply a readjustment process that any major retailer might have to endure to emerge stronger?
The industry needs an audience-first media revolution that balances brand and outcomes, writes Mindshare's global chief executive.