Omnicom Group is a New York-based advertising and marketing holding company founded in 1986, with FY2022 revenue of $14.3 billion.
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Omnicom reports credible operational emissions reductions and SBTi validation, but is structurally complicit in fossil fuel greenwashing. It represents 74–120 active fossil fuel client contracts across its major agencies and the lowest climate policy alignment (8%) among Big Six advertising firms. No fossil-sector client policy exists.
Omnicom Group Inc. scores 47/100 (Making progress) on SINK's independent climate assessment, scored from public data only. Fees pay for the review, never the result. Last verified May 2026.
That places Omnicom Group Inc. joint 217th of 847 companies scored, and 3rd of 4 in Advertising / Marketing Services.
Where Omnicom Group Inc. sits among advertising / marketing services peers.
Among the 4 major advertising / marketing services brands we've scored, Omnicom Group Inc. sits 3rd of 4.
Its three lowest-scoring questions, and what the evidence didn't show.
No TNFD disclosure, nature risk assessment, biodiversity policy, or deforestation commitment found.
No quantified waste metrics, circular economy targets, or recycling programme data disclosed.
InfluenceMap October 2024: only 8% of Omnicom clients aligned with Paris Agreement (lowest of Big Six).
A score changes when the evidence does. We use new published evidence at the next rescore. Evidence that isn't public can count through an evidence review.
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Get in touch →Strongest on Carbon Footprint — Operations and Targets & Commitments (6/10, 6/10). Weakest on Nature & Biodiversity Impact and Resource Use & Waste (3/10, 3/10).
The 2 companies in the sector scoring nearest above Omnicom Group Inc..
Dentsu operates as a Big Six advertising holding company with documented fossil-fuel client work—18 contracts in 2024–2025—undercutting its otherwise-ambitious net-zero science-based targets.
See the breakdown →Publicis Groupe publishes detailed Scope 1, 2, and 3 emissions data aligned with GHG Protocol, but absolute emissions rose 29% year-on-year to FY2024, missing its own SBTi 2030 targets.
See the breakdown →The formula and all 12 sources.
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × Scale12 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
9 of 12 sources are independent of the company.
If you believe a source has been misread or a newer version exists, submit a challenge.
Omnicom Group is a New York-based advertising and marketing holding company founded in 1986, with FY2022 revenue of $14.3 billion. It operates globally through major agency networks including BBDO, DDB, TBWA, OMD, PHD, FleishmanHillard, and Ketchum, providing creative, media, and public relations services across consumer, corporate, and government sectors.
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