London Stock Exchange Group operates as a global financial market infrastructure and data provider, listing equities, bonds, and derivatives across multiple exchanges and serving institutional and retail investors.
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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). Material gaps: Tradeweb excluded from carbon boundary; recycling rate declining; water and nature strategies documented but without quantified reduction targets. Structurally exposed as financial infrastructure serving fossil fuel clients.
London Stock Exchange Group scores 55/100 (Making progress) on SINK's independent climate assessment, scored from public data only. Fees pay for the review, never the result. Last verified August 2026.
That places London Stock Exchange Group joint 50th of 847 companies scored, and 3rd of 51 in Financial Services / Banking.
Where London Stock Exchange Group sits among financial services / banking peers.
Among the 51 major financial services / banking brands we've scored, London Stock Exchange Group sits 3rd of 51.
Its three lowest-scoring questions, and what the evidence didn't show.
No deforestation commitments, no quantified nature footprint beyond water, no restoration activity.
Recycling rate declined to 53% from 62% prior year.
No binding water reduction targets with baselines, no watershed engagement programme, or third-party water stewardship standard adoption.
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 Energy Source (8/10, 8/10). Weakest on Nature & Biodiversity Impact and Resource Use & Waste (4/10, 5/10).
The 2 companies in the sector scoring nearest above London Stock Exchange Group.
Triodos leads on financed emissions disclosure (100% PCAF coverage since 2019) and rejected net-zero greenwashing by leaving the NZBA.
See the breakdown →The formula and all 8 sources.
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × Scale8 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
“Scope 1 emissions* Metric tonnes 1,299 1,736 -25%”
“Deloitte LLP... independent limited Assurance Report... Selected ESG Metrics for the year ended 31 December 2025”
“closing the year with 51% of our emissions from purchased goods and services covered by...”
“we identified water use in data centres as a material environmental impact”
“science-based targets to reduce emissions in alignment with the Paris Agreement have also been approved by the Science Based Targets initiative (SBTi)”
“Using both Bloomberg and LSEG enables the identification of more deals and more companies in scope”
“83% reduction in Scope 1 and 2 emissions against a 2019 baseline”
If you believe a source has been misread or a newer version exists, submit a challenge.
London Stock Exchange Group operates as a global financial market infrastructure and data provider, listing equities, bonds, and derivatives across multiple exchanges and serving institutional and retail investors. Headquartered in London, LSEG is one of the world's largest stock exchange operators by market capitalisation and trading volume.
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