Dentsu publishes comprehensive GHG and sustainability data with SBTi validation and third-party assurance, but serves 18 active fossil fuel clients including Shell and Chevron. NGO investigations document greenwashing: DeSmog found advertising work promoting carbon capture for Chevron, InfluenceMap identified more obstructive than supportive climate clients. The firm's net-zero claims exclude its advertising portfolio's material climate impact.
Same formula for every company. No curve. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × ScaleStrongest on Targets & Commitments and Transparency & Accountability (7/10, 7/10). Weakest on Controversies & Red Flags and Water Impact (3/10, 4/10).
14 sources used in this assessment. All publicly available. Each row shows which rubric questions it informed.
If you believe a source has been misread or a newer version exists, submit a challenge.
Among the 4 major advertising / marketing services brands we've scored, Dentsu sits 3rd of 4.
Score history begins 1 May 2026.
As Dentsu's score updates, the trajectory will appear here.
We're backfilling historical scores for FTSE 100 and S&P 100 companies over the coming weeks.
Every challenge is published. We'd rather be corrected than wrong — that's the whole point.
No challenges submitted yet. If you have evidence that contradicts this score, you can challenge any question above — cite a public source and we'll review it.
Dentsu is a Tokyo-based advertising and marketing services conglomerate founded in 1901, operating globally through offices across Asia, Europe, and the Americas. The company provides creative, media, and digital marketing services to multinational clients across consumer, financial, and industrial sectors.
Peer advertising holding company; similarly exposed to fossil fuel client conflict and greenwashing scrutiny.
View breakdown →Peer advertising conglomerate; shares exposure to fossil fuel client relationships and net-zero credibility risk.
View breakdown →Major Dentsu client; exemplifies greenwashing target that advertising services enable and amplify.
View breakdown →Big Six advertising peer; comparable disclosure profile but lower SBTi rigour and active fossil fuel client portfolio.
View breakdown →Email alerts when a rubric question is verified, a challenge is resolved, or the overall score changes.
One email, every Sunday. Score changes, new research, the stories behind the numbers. Free.
No spam. Unsubscribe in one click.
Readers and institutions support our work. Companies can pay to submit evidence we couldn't find. Neither type of payment changes a score.