CLEARLY
EFFECTIVE
MEDIA

Results-focused media planning and buying
enabling progressive brands to cut through the noise.

The December19 Effectiveness Promise

Focused on delivery of media planing and buying from a London based marketing agency

We stay focused on delivering the right outcomes to achieve your business goals.

Bespoke planning media planing and buying from a London based marketing agency

Bespoke planning and buying ensures every pound is spent maximising your results.

Transparent jargon free media planing and buying from a London based marketing agency

We deliver transparent jargon-free reporting and measurement - no media pseudo science here.

Home of progressive brands…

Xero a client of our London based marketing agency, helping with media planning and buying
NHS Charities Together a client of our London based marketing agency, helping with media planning and buying
Viking a client of our London based marketing agency, helping with media planning and buying
Emmi Caffe Latte a client of our London based marketing agency, helping with media planning and buying
Pol Roger a client of our London based marketing agency, helping with media planning and buying
Ecco a client of our London based marketing agency, helping with media planning and buying
Recycle your electricals a client of our London based marketing agency, helping with media planning and buying
Workspace a client of our London based marketing agency, helping with media planning and buying
Aruba a client of our London based marketing agency, helping with media planning and buying
Onken a client of our London based marketing agency, helping with media planning and buying

…and clearly effective results

RESULTS BEGIN WITH CARING

Who cares gwi ad positioned by D19 London based marketing agency, specialising in media planning and buying

Caring for your goals

We’re super proud to be IPA Effectiveness Accredited, our commitment to getting the best results for our clients every time.

IPA CPD Gold acheived by our great team at London based marketing agency, media planning and buying

Caring for our team

Keeping our team on top of their game means we deliver clearly effective media planning and buying for our clients. We’re really proud to be…

Our London based media planning and buying agency recieved B Corp status

Caring for our planet

We’re proudly a B Corp business and pioneers in sustainable media. We put people, planet and profit on an equal footing.

Certified B Corporations, or B Corps, are companies verified by B Lab to meet high standards of social and environmental performance, transparency, and accountability.

“What makes December 19 distinct is how they think more widely than just advertising, looking to create effective marketing results that create positive results for Xero as a business.”

Emilie Watts
Brand Marketing Manager, Xero

LET’S GET RESULTS TOGETHER

Looking for a media partner? Tell us your business objectives and we will discuss our approach. Straight-talking, results-focused and no media jargon… that’s a promise!