Balfour Beatty is a FTSE-listed engineering and construction contractor founded in 1909, headquartered in London.
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Balfour Beatty is a large construction contractor with established sustainability governance but weak delivery. Absolute emissions are flat despite revenue growth, net-zero targets were pushed back five years, renewable energy penetration is 4%, and water strategy is absent. A systemic fraud conviction in military housing (2021) with ongoing litigation undermines credibility across all claims.
Balfour Beatty scores 30/100 (Significant gaps) on SINK's independent climate assessment, scored from public data only. Fees pay for the review, never the result. Last verified May 2026.
That places Balfour Beatty joint 614th of 847 companies scored, and joint 21st of 26 in Construction / Real Estate.
Where Balfour Beatty sits among construction / real estate peers.
Among the 26 major construction / real estate brands we've scored, Balfour Beatty is tied =21st of 26, with 1 other.
Its three lowest-scoring questions, and what the evidence didn't show.
Only 4.29% of 2.25M GJ total energy from renewables in 2023; 95.71% non-renewable. ~70% of UK Scope 1 emissions from diesel for plant, fleet, generators.
World Benchmark Alliance (2022) found no evidence of water reduction target, withdrawal reduction, or discharge water quality monitoring.
2022: Scope 1&2 rose 18%.
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 Targets & Commitments and Carbon Footprint — Operations (6/10, 5/10). Weakest on Energy Source and Water Impact (2/10, 2/10).
The 3 companies in the sector scoring nearest above Balfour Beatty.
Persimmon reports emissions data and has SBTi-validated near-term targets, but Scope 3 relies on intensity metrics as output recovers, weakening real reduction claims.
See the breakdown →Karma Kitchen operates six-to-eight London dark kitchen sites with a small 27-person team.
See the breakdown →Tritax Big Box discloses landlord emissions rigorously but excludes the material occupier footprint—material supply-chain carbon remains unmeasured.
See the breakdown →The formula and all 14 sources.
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × Scale14 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
If you believe a source has been misread or a newer version exists, submit a challenge.
Balfour Beatty is a FTSE-listed engineering and construction contractor founded in 1909, headquartered in London. Operating across UK infrastructure, US military housing, power transmission, and rail, it is one of Britain's largest construction firms with £10B+ annual revenue. Major client base includes government agencies and utility companies.
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