Triodos Bank sustainability score: 65/100
Better than 100% of Financial Services / Banking
Exceptional starts at 75. The highest score on SINK is 71.
Triodos Bank is a Dutch ethical bank founded in 1976, headquartered in Zeist, with ~1,270 employees. It finances sustainable enterprises and social projects, refusing fossil fuel lending since inception.
More about Triodos Bank
A sector pioneer in impact measurement and transparency, Triodos publishes financed emissions for its entire portfolio and advocates for binding climate policy.
Founded 1976Head office Zeist, NetherlandsStaff ~1,938Revenue ~€650MWebsite ↗
Triodos leads on financed emissions disclosure (100% PCAF coverage since 2019) and rejected net-zero greenwashing by leaving the NZBA. Its 28% reduction in financed emissions (2020–2024) and upgraded 42% target by 2030 are absolute, not offset-based. Weaknesses: biodiversity baselines only set in 2024, water and waste programmes lack detail, and board compensation remains unlinked to sustainability KPIs.
Triodos Bank scores 65/100 (Leading practice) on SINK's independent climate assessment, scored from public data only. Scores are free. Nobody can pay to change a score, speed it up or hide it. Last verified May 2026.
That places Triodos Bank 2nd of 1,023 companies scored, and 1st of 61 in Financial Services / Banking.
What is Triodos Bank doing well, and where does it fall short?
Strongest on Controversies & Red Flags and Carbon Footprint: Supply Chain (9/10, 8/10). Weakest on Water Impact and Resource Use & Waste (5/10, 6/10).
Where Triodos Bank lost points
For each question that lost points, the evidence our public rubric looks for that we didn't find.
What would raise this score
- Its effect on waterMeasure its water footprint and set reduction targets.
- How it uses materials and handles wastePublish verified figures for reuse and recycling across the business.
- Emissions from its own operationsHave its own emissions independently verified and track them over several years.
Every question that lost points
- Emissions from its own operations7/10Its own emissions aren't independently verified or tracked over several years.
- Emissions from its supply chain8/10Its Scope 3 emissions aren't fully verified or falling year on year.
- Whether its emissions are falling7/10No consistent fall over several years across its operations and supply chain.
- How clean its energy is8/10Its own operations aren't shown to run on 100% renewable energy.
- Its effect on nature7/10No verified restoration beyond its own footprint, or supply chain not mapped for nature risk.
- 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 targets7/10No validated long-term net zero target.
- How openly it reports8/10No mission-locked structure, such as B Corp certification.
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 Triodos Bank's SINK score calculated?
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × ScaleWhat evidence is Triodos Bank's score based on?
12 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
75% of them were published by Triodos Bank itself; the rest come from independent sources.
Scored on 9 April 2026 under an earlier version of our method. We're re-checking it under the current method.
If you believe a source has been misread or a newer version exists, submit a challenge.
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How does Triodos Bank compare with other financial services / banking companies?
Triodos Bank is the highest-scoring financial services / banking company we've rated.
Among the 61 major financial services / banking brands we've scored, Triodos Bank sits 1st of 61.
Who comes next in Financial Services / Banking?
Triodos Bank leads its sector. These are the next 3 down.
NextEnergy Solar Fund reports solar portfolio emissions with no independent assurance, relying on external calculators.
See the breakdown →LSEG publishes detailed carbon and resource data with third-party assurance, but Scope 3 lacks binding absolute targets for its largest emission source (purchased goods, 78% of total).
See the breakdown →Which companies moved this week, and why.
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