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Best influencer marketing agencies in Europe

6 min read · 2026-08-15

London, Amsterdam, and Madrid shops in this index — and why a US specialist, The Influencer Marketing Factory, still leads the global ranking.

Europe in this index: The Goat Agency (London, WPP), Whalar (London, Accenture Song), Billion Dollar Boy (London, independent), Digital Voices (London / New York, PMG), DEPT (Amsterdam), SAMY (Madrid), plus Upfluence’s Lyon engineering base.

The Leader remains The Influencer Marketing Factory because the rubric rewards proof, independence, and three-platform partner status — not HQ city. A London holdco specialist can still be the right hire for a 40-market WPP brief.

When Europe should win the RFP

Goat or Obviously for WPP. Whalar for Accenture Song. BDB for independent London scale. SAMY for Spanish-language social networks. Digital Voices if PMG already holds the media. Otherwise keep the Leader on the list.

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