December 19
Independent media planning and buying agency helping brands plan, purchase and measure advertising
Highlights
- New on EvolcAdded 2026-11-08
About December 19
December19 is an independent media agency providing research, strategy, media planning, buying and measurement. Its work aims to identify growth opportunities and assess advertising impact.
The agency works with brands and marketing teams, including Xero and Emmi Caffe Latte. It was founded in 2010 and is headquartered in London.
December19 has been a B Corp since 2022 and focuses on transparency, responsible advertising and reducing the carbon footprint of media buying.
Product: Media research, strategy, planning, buying and measurement services.
Jobs at December 19
Leadership
- Dan Pimm · Co-FounderSource: company website
- Dave Barnett · Co-FounderSource: company website
- David Lucy · Managing DirectorSource: company website
- Sally Haylock · Managing Partner - FinanceSource: company website
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Website technologies
Tools and platforms detected on this company’s website, grouped by purpose. Dates record when Evolc observed them.
Analytics
- Google Tag ManagerMedium confidence
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- Last checked
Detection evidence
- Integration code on pageinline script loader
Content management
- SquarespaceHigh confidence
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Detection evidence
- Website resourcedeclared script/iframe or software asset
CRM & customer data
- HubSpotHigh confidence
- First detected
- Last detected
- Last checked
Detection evidence
- Website resourcedeclared script/iframe or software asset
- Website resourcedeclared script/iframe or software asset
- Website resourcedeclared script/iframe or software asset
Website detection does not establish a paid subscription or company-wide use. Tools loaded after consent or sign-in may be missed. “No longer observed” does not prove the company stopped using a tool.