Consulting / Professional Services

Bird & Bird sustainability score: 41/100

41/100
Below expectations
Joint 24th of 30 in Consulting / Professional Services

Better than 17% of Consulting / Professional Services

Making progress starts at 46. The highest score on SINK is 71.

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About Bird & Bird

Head office United KingdomStaff ~3,000+Revenue ~€702MWebsite ↗

Our verdict

Bird & Bird scores 41/100 (Below expectations) 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 September 2026.

That places Bird & Bird joint 390th of 1,023 companies scored, and joint 24th of 30 in Consulting / Professional Services.

The ten questions

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

Strongest on Controversies & Red Flags and Carbon Footprint: Operations (8/10, 7/10). Weakest on Emissions Trajectory and Nature & Biodiversity Impact (4/10, 4/10).

What's missing

Where Bird & Bird 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

  • Whether its emissions are fallingShow a year-on-year fall in its total emissions.
  • Its effect on natureMeasure its effect on nature and have it independently verified.
  • How it uses materials and handles wasteReport measurable waste or recycling targets publicly.

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 chain6/10No full value-chain map or supplier engagement programme.
  • Whether its emissions are falling4/10No evidence of a year-on-year fall in its total emissions.
  • How clean its energy is5/10Less than half its energy shown to be renewable, or no transition plan.
  • Its effect on nature4/10Its effect on nature isn't measured or independently verified.
  • How it uses materials and handles waste4/10No measurable waste or recycling targets reported publicly.
  • Its effect on water4/10No measured water footprint with reduction targets.
  • Its climate targets7/10No validated long-term net zero target.
  • How openly it reports6/10No annual impact report, or no pay linked to climate targets.

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 Bird & Bird's SINK score calculated?

Same ten questions for every company. No private weighting.

SINK = (0.3 × Base + 0.7 × Performance) × Scale
Industry base impact
Consulting / Professional Services sector ceiling.
65 / 100
Performance score
Sum of the ten questions, each scored 0 to 10.
55 / 100
Raw score
Weighted average before scale penalty.
(0.3 × 65) + (0.7 × 55) = 58.0
Scale penalty
Multiplier based on total emissions. Bigger polluters lose more.
× 0.7
Final score
Rounded. Below expectations.
41 / 100
How this score has moved

Has Bird & Bird's score changed?

Bird & Bird's score has been reviewed 2 times and currently stands where it started, at 41.

0255075100417 September 2026417 November 2026
  1. 41 → 417 November 2026

    Correction, 7 November 2026: removed an unsourced emissions figure. Score unchanged.

  2. Scored 417 September 2026

    Initial score 41 (score-company publish)

Where the evidence comes from

What evidence is Bird & Bird's score based on?

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

[1]Source
twobirds.com

“Our Scope 1, Scope 2, and selected Scope 3 emissions have received independent limited assurance for the reporting period, in accordance with ISAE 3000”

Q1Q2Q3Q6
View →
[2]Source
twobirds.com

“we calculated our global baseline for greenhouse gas emissions in line with the GHG Protocol Standard”

Q2Q3Q4Q5Q7Q8Q9
View →
[3]Source
twobirds.com

“Our Environmental Policy is applied to every aspect of the environmental management of our London office”

Q4Q7
View →
[4]Source
lamphouse.com

“switching to LED lighting and food waste (with used coffee grounds from the London office recycled to make brownies)”

Q6
View →
[5]Source
sciencebasedtargets.org
Q8
View →
[6]Source
legalcheek.com

“Bird & Bird signed up to the Science-Based Targets Initiative (SBTi) in January 2022”

Q9
View →
[7]Source
en.wikipedia.org

“Bird & Bird is an international law firm founded in London in 1846, where the firm maintains its global headquarters”

Q10
View →
[8]Source
globallegalpost.com

“supporting programmes such as its commitment to the Science Based Targets Initiative”

Q10
View →

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

For Bird & Bird

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    Bird & Bird: SINK sustainability score 41.

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Bird & Bird in context

How does Bird & Bird compare with other consulting / professional services companies?

Where Bird & Bird sits among consulting / professional services peers.

Among the 30 major consulting / professional services brands we've scored, Bird & Bird is tied =24th of 30, with 1 other.

=24/30
Bird & Bird's rank
49
Industry average
22
Industry low
62
Industry high
See all 30 in Consulting / Professional Services →
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