Chemicals

Corbion sustainability score: 50/100

50/100
Making progress
1st of 16 in Chemicals

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About Corbion

Corbion is a Dutch maker of food-preservation ingredients, lactic acid and algae-based products, headquartered in Amsterdam. 27 billion sales in 2025.

Head office Amsterdam, NetherlandsStaff ~2,441 (2025)Revenue ~€1.27B (FY2025)Website ↗

Our verdict

Corbion's total footprint fell from 1.03 MtCO2e in 2021 to 862,000 tCO2e in 2025, against SBTi-validated absolute targets, but its own emissions rose 11% in 2025 as a Thai plant ramped up. Its electricity is 100% renewable, partly through certificates, and fossil fuels are still 62% of its energy. Its US subsidiary paid a $332,000 EPA penalty in 2024 over hazardous-waste storage.

Corbion scores 50/100 (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 October 2026.

That places Corbion joint 156th of 900 companies scored, and 1st of 16 in Chemicals.

The ten questions

What is Corbion doing well, and where does it fall short?

Strongest on Carbon Footprint — Operations and Carbon Footprint — Supply Chain (8/10, 8/10). Weakest on Emissions Trajectory and Nature & Biodiversity Impact (5/10, 5/10).

What's missing

Where Corbion lost points

For each question that lost points, the evidence our public rubric looks for that we didn't find.

  • Emissions from its own operations8/10No verified figures published with their method and a falling trend.
  • Emissions from its supply chain8/10Its Scope 3 emissions aren't fully verified or falling year on year.
  • Whether its emissions are falling5/10No evidence of a year-on-year fall in its total emissions.
  • How clean its energy is6/10Less than 90% of its energy shown to be renewable.
  • Its effect on nature5/10Its effect on nature isn't measured or independently verified.
  • How it uses materials and handles waste6/10No verified figures for reuse and recycling across the business.
  • Its effect on water5/10No measured water footprint with reduction targets.
  • Its climate targets8/10No validated long-term net zero target.
  • How openly it reports8/10No mission-locked structure, such as B Corp certification.
  • Its record on controversies6/10Points 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.

The calculation

How is Corbion's SINK score calculated?

Same ten questions for every company. No private weighting.

SINK = (0.3 × Base + 0.7 × Performance) × Scale
Industry base impact
Chemicals sector ceiling.
25 / 100
Performance score
Sum of the ten questions, each scored 0 to 10.
65 / 100
Raw score
Weighted average before scale penalty.
(0.3 × 25) + (0.7 × 65) = 53.0
Scale penalty
Multiplier based on total emissions. Bigger polluters lose more.
× 0.95
Final score
Rounded. Making progress.
50 / 100
Where the evidence comes from

What evidence is Corbion's score based on?

13 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.

54% of them were published by Corbion itself; the rest come from independent sources.

[1]Self-reported
Corbion 2025 Annual Report — ESRS E1 Climate Change

“68,899”

2025
Q1Q2Q3Q8
View →
[2]Self-reported
Corbion 2025 Annual Report — Full PDF

“We have performed a limited assurance engagement on the sustainability statements for 2025 of Corbion N.V.”

2025
Q1Q4Q9
View →
[3]Self-reported
Corbion 2025 Annual Report — Sustainability Performance

“We collected primary data for approximately 71% of GHG emissions from raw materials included in our target scope”

2025
Q2Q3Q4Q5Q8
View →
[4]Self-reported
Corbion 2026 ESG Factbook

“Share of fossil sources in total energy consumption % 62% 61% 62% 67% 71%”

2026
Q4Q6Q7
View →
[5]Self-reported
Corbion — Water Impact (ESRS E3)

“Corbion has not established consolidated, externally disclosed targets for water withdrawal, consumption, or discharge at group level.”

2025
Q7
View →
[6]Self-reported
Corbion — Biodiversity (ESRS E4)

“key material biodiversity drivers are land use, land use change and freshwater”

2025
Q5
View →
[7]Public record
US EPA Settlement — Purac America (Corbion) Hazardous Waste Violations

“Company will pay a $332,000 penalty to resolve the alleged violations”

2024
Q10
View →
[8]Self-reported
Corbion Policy — Advocacy and Public Affairs

“Corbion does not make political contributions in any form”

2026
Q10
View →
[9]Public record
Dutch Official Gazette (Officiële Bekendmakingen) — Gorinchem IED Permit Decision

“een geringe benzeen-emissie uit de pharma-gaswasser naar de lucht”

2022
Q10
View →
[10]Independent source
We Are Aquaculture — Corbion Sustainability Certifications

“A- in Supplier Engagement”

Unknown
Q2Q7
View →
[11]
adhesivesmag.com

“Corbion commits to reducing absolute scope 1 and 2 GHG emissions 38% by 2030 from a 2021 base year”

Q8
View →
[12]
meatpoultry.com

“Corbion joined the SBTi in 2017”

Q8
View →
[13]
commercialbaking.com

“Corbion earned an A- score for its climate change mitigation efforts from environmental non-profit CDP”

Q9
View →

If you believe a source has been misread or a newer version exists, submit a challenge.

For Corbion

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    Corbion: SINK sustainability score 50/100.

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Corbion in context

How does Corbion compare with other chemicals companies?

Corbion is the highest-scoring chemicals company we've rated.

Among the 16 major chemicals brands we've scored, Corbion sits 1st of 16.

1/16
Corbion's rank
35
Industry average
20
Industry low
50
Industry high
See all 16 in Chemicals →
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