Done well, advertising supports quality journalism, sustains diverse voices, and strengthens democratic debate. Done poorly, it can fund hate speech, disinformation, and harmful content.

We break down how December19 embedded sustainability through IAB Gold Standard certification and share five steps advertisers can take now.

Together, these principles and practices show how advertisers can protect not only their budgets but also the ecosystems - digital and environmental - in which we operate.

We were recognised for transforming recycling behaviour through an always-on campaign strategy

Ray challenges one of the biggest assumptions in cross-channel media planning: that demographics and claimed behaviours tell you who to target.

Our 'Recycle Your Electricals' campaign with Material Focus took home the win in the NGO / Charity category

Building London's Next Cultural Icon

Rethinking B2B media: How contextual AI drives performance without compromising transparency

A milestone in sustainable media planning

IPA Effectiveness Accreditation is one of the industry's most demanding benchmarks for agencies that don't just talk about results, but prove them.

We’re proud to announce that we’ve been officially re-certified as a Certified B Corporation™ — achieving our highest-ever impact score of 104.3

For those who evolve, AI offers a new way to be present at the moment of intent.

Recognition reflects our ongoing commitment to a more transparent, responsible, and effective digital advertising ecosystem

the IAB Tech Lab has rolled out new standards to make marketers’ lives easier

December19 Take Home 2 at the Thinkbox TV Planning Awards 2025

The Great Programmatic Clean-Up: Why Your Media Budget Needs a Reality Check

Dave Barnett Named in Campaign's 40 Over 40, 2025

December19 Awarded Silver at the Outdoor Media Awards 2025

December19 receives Sunday Times Best Places to Work accreditation 2025

December19 shortlisted in the ‘Best B2B Campaign’ category for work with client Xero