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The GroupM annual revenue was $14.3 billion in 2026.
Kate Rowlinson is the Chief Executive Officer, UK of GroupM.
8,969 people are employed at GroupM.
GroupM is based in New York, New York.
The NAICS codes for GroupM are [541, 54, 541613, 54161, 5416].
The SIC codes for GroupM are [731, 73].