Halma is a UK-listed diversified technology group manufacturing safety, environmental monitoring, and healthcare equipment across 45+ subsidiaries globally.
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Halma has cut operational emissions 64% since 2020, but total footprint rose 2% in FY2025 because Scope 3 (99% of emissions) increased. Renewable electricity hit 86% via unbundled certificates, not additionality. Supply chain emissions lack formal supplier reduction programmes.
Halma scores 51/100 (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 Halma joint 126th of 847 companies scored, and joint 3rd of 33 in Electronics / Hardware.
Where Halma sits among electronics / hardware peers.
Among the 33 major electronics / hardware brands we've scored, Halma is tied =3rd of 33, with 2 others.
Its three lowest-scoring questions, and what the evidence didn't show.
No TNFD-aligned disclosure, no quantified nature footprint, no deforestation-free commitment with verification.
No formal supplier emissions reduction programme evidenced despite Supplier Expectations Statement.
No Group-level circular targets published or verified.
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 Controversies & Red Flags and Carbon Footprint — Operations (8/10, 7/10). Weakest on Nature & Biodiversity Impact and Carbon Footprint — Supply Chain (4/10, 5/10).
The 2 companies in the sector scoring nearest above Halma.
Fairphone has built genuine climate and circularity credentials: 48% absolute emissions cuts since 2022, SBTi-validated net-zero targets, 100% e-waste neutrality, and third-party audited KPIs.
See the breakdown →Computacenter has delivered genuine Scope 1 & 2 carbon neutrality since 2022 and holds SBTi-validated targets.
See the breakdown →The formula and all 10 sources.
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × Scale10 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
“Scope 1 (4,128 tCO2e), Scope 2 (2,599 tCO2e market-based)”
“Independent limited verification of Halma's Scope 1 and Scope 2 reported emissions”
“Reported across 8 of 15 GHG Protocol Scope 3 categories”
“Scope 3 emissions, which increased by 2% last year and increased significantly since 2017”
“Reduced Scope 1 and 2 emissions by 64% from 2020 levels, surpassing its 2030 target”
“renewable electricity tariffs (largely backed by Energy Attribute Certificates (EACs)) and unbundled EACs, accounting for 94% of the total”
“sustainability agenda is led by our Chief Sustainability Officer, who has principal responsibility for our sustainability activities and policy”
“we have reallocated the 5% weighting previously allocated to energy productivity to EVA”
“33 sites which operate in areas of 'extremely high (>80%)' or 'high (40-80%)' baseline water stress”
“exploring utilising recycled material, reducing packaging, contributing towards the circular economy”
If you believe a source has been misread or a newer version exists, submit a challenge.
Halma is a UK-listed diversified technology group manufacturing safety, environmental monitoring, and healthcare equipment across 45+ subsidiaries globally. Founded 1894, headquartered in Amersham, it serves industrial, defence, and life science sectors with sensors, analytical instruments, and diagnostic devices.
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