Omnicom Group Inc. sustainability score: 47/100
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.
Founded 1986Head office New York City, United StatesStaff ~74,900Revenue ~$15.7B (FY2024)Website ↗
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. Scores are free. Companies can never pay for anything about their own score. Last verified May 2026.
That places Omnicom Group Inc. joint 237th of 934 companies scored, and 5th of 6 in Advertising / Marketing Services.
What is Omnicom Group Inc. doing well, and where does it fall short?
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).
Where Omnicom Group Inc. lost points
For each question that lost points, the evidence our public rubric looks for that we didn't find.
- Emissions from its own operations6/10Its own emissions aren't independently verified or tracked over several years.
- Emissions from its supply chain5/10Most of its supply-chain (Scope 3) emissions aren't measured.
- Whether its emissions are falling5/10No evidence of a year-on-year fall in its total emissions.
- How clean its energy is4/10Less than half its energy shown to be renewable, or no transition plan.
- Its effect on nature3/10No assessment of its effect on nature, and no basic environmental policy.
- How it uses materials and handles waste3/10No active waste reduction, reuse or repair shown.
- Its effect on water4/10No measured water footprint with reduction targets.
- Its climate targets6/10Its targets aren't validated by the Science Based Targets initiative.
- How openly it reports6/10No annual impact report, or no pay linked to climate targets.
- Its record on controversies3/10Points deducted for controversies or its business model. The finding is under question 10.
A score changes when the evidence does. We use new published evidence at the next rescore. Anyone can send us new evidence, free. How to send it.
How is Omnicom Group Inc.'s SINK score calculated?
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × ScaleWhat evidence is Omnicom Group Inc.'s score based on?
12 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
25% of them were published by Omnicom Group Inc. itself; the rest come from independent sources.
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.
Is this your company? Claim this profile (free)
Use this score in tenders
Send the link, or the one-page score sheet. It links back to this page and every source. Free.
Open the score sheet →Send new evidence, free
Scored low because little is published? Publish what you do and send us the link, free. If it holds up, your score changes, and the change is logged on your page.
How to send evidence →Put your score on your website, free
It shows the current score and links to this page, so it changes when the score does.
Track this score
Bidding for a public contract? Check if you need a Carbon Reduction Plan, free →
Want your own page like this?
Free, independent, every source shown. Send it to any buyer who asks about your sustainability.
How does Omnicom Group Inc. compare with other advertising / marketing services companies?
Where Omnicom Group Inc. sits among advertising / marketing services peers.
Among the 6 major advertising / marketing services brands we've scored, Omnicom Group Inc. sits 5th of 6.
Who scores higher in Advertising / Marketing Services?
The 3 companies in the sector scoring nearest above Omnicom Group Inc..
MSQ's footprint was 5,007 tCO2e in its year to February 2025, flat against its 2020 baseline: its own operations' emissions are down 68%, but its supply-chain emissions rose.
See the breakdown →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 →Which companies moved this week, and why.
One email, every Sunday. Score changes, new research, the stories behind the numbers. Free.
We'll send one email to confirm. No spam. Unsubscribe in one click.
Checking a company?
Search free →Asked to prove you're sustainable?
Get your business scored, free →Been scored?
Find your page and claim it, free →Scores are free. Companies can never pay for anything about their own score.