Consulting / Professional Services

Cooper Parry sustainability score: 57/100

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About Cooper Parry

Cooper Parry is a UK accountancy and advisory group headquartered at East Midlands Airport near Derby; audit is 45% of its turnover, tax 22% and outsourcing 17%. Its group accounts are filed by Project Rebelution Topco Limited, incorporated in 2022 and controlled by Lee Equity Partners; its roots go back to 2002 (Cooper Parry LLP, OC301728).

More about Cooper Parry

It had 832 employees, with a further 491 audit staff employed by an associated firm, and £158.3 million turnover in its year to April 2025.

Founded 2022Head office Castle Donington, Derby, UKStaff ~832 (FY to Apr 2025 average)Revenue ~£158.3M turnover (FY to Apr 2025)Website ↗

Our verdict

Cooper Parry's footprint rose 31% in two years to 8,545 tCO2e in its 2025 financial year, almost all of it from its supply chain, even though its direct emissions fell 94% and its electricity is now renewable under certificates. Its targets are SBTi-validated, but its supply-chain targets are per employee and it allows offsets for up to 10% of residual emissions. Only part of its data is assured, by a consultancy it pays.

Cooper Parry scores 57/100 (Making progress) on SINK's independent climate assessment, scored from public data only. Scores are free. Companies can never pay for anything about their own score. Last verified November 2026.

That places Cooper Parry joint 33rd of 934 companies scored, and joint 6th of 29 in Consulting / Professional Services.

The ten questions

What is Cooper Parry doing well, and where does it fall short?

Strongest on Targets & Commitments and Controversies & Red Flags (8/10, 8/10). Weakest on Emissions Trajectory and Nature & Biodiversity Impact (0/10, 4/10).

What's missing

Where Cooper Parry lost points

For each question that lost points, the evidence our public rubric looks for that we didn't find.

  • 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 falling0/10No evidence its emissions are falling, not even from energy bills or mileage.
  • How clean its energy is6/10Less than 90% of its energy shown to be renewable.
  • 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 targets8/10No validated long-term net zero target.
  • How openly it reports7/10No 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 Cooper Parry'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.
54 / 100
Raw score
Weighted average before scale penalty.
(0.3 × 65) + (0.7 × 54) = 57.3
Scale penalty
Multiplier based on total emissions. Bigger polluters lose more.
× 1
Final score
Rounded. Making progress.
57 / 100
Where the evidence comes from

What evidence is Cooper Parry's score based on?

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

30% of them were published by Cooper Parry itself; the rest come from independent sources.

[1]Self-reported
FY25 Impact Report

“third-party assurance with Climate Partner”

2025
Q1Q2Q3Q4Q5Q6Q8
View →
[2]Public record
FY25 Group Accounts (Project Rebelution Topco Limited, Company 13882746)

“The exemption has been taken to exclude carbon information relating to subsidiaries not obliged to report on”

2025
Q1Q3Q4
View →
[3]Third-party verified
SBTi Target Dashboard (companies-excel.xlsx)

“Cooper Parry commits to reduce absolute scope 1 GHG emissions 42% by FY2030 from a FY2023 base year.”

Ongoing
Q2Q8
View →
[4]Self-reported
Environmental Policy 2026

“Cooper Parry has installed solar panels”

2026
Q4Q6Q7Q8Q9
View →
[5]Independent source
Accountancy Age: Cooper Parry becomes UK's largest accountancy B Corp

“Following the evaluation stage, Cooper Parry was awarded a score of 84.”

2023
Q9
View →
[6]Self-reported
Cooper Parry: A Tale of Rebellion — Our Impact Report FY24

“We’re all about transparency at Cooper Parry, and as the UK’s largest accountancy B Corp , we’re all about sustainability too.”

2024
Q9
View →
[7]Independent source
Accountancy Age: US private equity firm takes majority stake in Cooper Parry

“employing 1,450 people, including 128 partners”

2024
Q10
View →
[8]Independent source
International Accounting Bulletin: Cooper Parry acquisition coverage

“UK-based accounting and business advisory firm Cooper Parry has announced a majority investment from funds managed by Lee Equity Partners.”

Unknown
Q10
View →
[9]Independent source
AM Online: Cooper Parry partners with New York equity partner

“Lee Equity succeeds Waterland Private Equity as Cooper Parry's capital partner.”

Unknown
Q10
View →
[10]Independent source
Outsource Accelerator: Cooper Parry acquires Hutcheon Mearns

“offering a complete blend of services to entrepreneurial businesses, including audit and tax, as well as digital advice”

Unknown
Q10
View →

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

For Cooper Parry

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    Cooper Parry: SINK sustainability score 57/100.

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Cooper Parry in context

How does Cooper Parry compare with other consulting / professional services companies?

Where Cooper Parry sits among consulting / professional services peers.

Among the 29 major consulting / professional services brands we've scored, Cooper Parry is tied =6th of 29, with 2 others.

=6/29
Cooper Parry's rank
49
Industry average
22
Industry low
62
Industry high
See all 29 in Consulting / Professional Services →
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