December 19 is an experienced, fully independent media planning and buying agency, working to improve media efficiency amongst clients who share values of trust, collaboration and loyalty. 

With significant experience from across the media and marketing industry, December 19 offers established brands an alternative to being lost in the large portfolios of the global networks, as well as supporting exciting new challenger brands to grow through advertising. 

A new generation of media agency, we're challenging the traditional nature of agency/client relationships. We call our approach 'business karma'. We believe in growth not greed, fostering a shared sense of purpose with our clients through taking an honest, sustained and intelligent approach to their media, with enduring results.



Total Staff


Year Established


Sector Experience

Arts, Automotive, Business to Business, Charity, Cosmetics/Beauty, Education, Fashion, Financial, FMCG, Food and drink, Healthcare, IT, Leisure, Media, Outdoor Activities, Professional service, Property, Public sector, Retail, Technology, Telecoms, Tourism, Travel, Utilities


Recommended for 7 of 22 services


  • Xero
  • Ligne Roset
  • Neilson Active Holidays
  • Big Issue
  • Immediate Media
  • Viking Cruises
  • Henry London Watches
  • Columbus Direct
  • Shortlist Media


"December 19 are exceptional at creating fully integrated media plans based on real insight. They go above and beyond by doing the research to really delve into audience mindset, and using this to intelligently shape media, and influence the creative for campaigns."


"December 19 are an absolute pleasure to work with. Great communication and attention to detail across all aspects of planning, buying and account management. Always amenable to change in order for us to meet our often changing objectives. I have full confidence that they will always deliver the smartest and most comprehensive plans within our available budget."

Schwabe Pharma

"Having worked with December 19 in both a big and a small organisation, they adapt very well to the needs a business. From rebranding and strategic through to media buying and attribution, they work hard, provide strong results and are a great team to work with."

Ramblers Holidays