Recently scored: Visible Body, Aviva, Howden Joinery, T.REX ARMS
Sector Rankings

Most Sustainable Consulting / Professional Services Companies 2026

13 Consulting / Professional Services companies ranked 0–100 on real environmental impact using SINK's open, physics-first formula.

13
Companies ranked
50
Sector average
59
Sector best (Accenture)
Full ranking
1
💼AccentureMaking progress
59
2
🏢Ernst & Young Global Limited (EY)Making progress
58
3
📊ExperianMaking progress
58
4
🌍Bioregional DevelopmentMaking progress
57
5
💻International Business Machines CorporationMaking progress
56
6
🏢PricewaterhouseCoopersMaking progress
53
7
💻DXC Technology CompanyMaking progress
53
8
🏔️Protect Our WintersMaking progress
52
9
💼McKinsey & CompanyMaking progress
52
10
🏢DeloitteBelow expectations
45
11
🔬IntertekBelow expectations
41
12
⚖️Bird & BirdBelow expectations
41
13
🐧The Linux FoundationSignificant gaps
27
Frequently asked

Consulting / Professional Services sustainability, answered.

Which Consulting / Professional Services company is the most sustainable?

Accenture is the highest-scoring Consulting / Professional Services company on SINK with a score of 59/100 (Making progress).

What is the average sustainability score for Consulting / Professional Services companies?

The average SINK score across 13 Consulting / Professional Services companies is 50/100. The global average across all scored companies is 38/100.

How does SINK rate Consulting / Professional Services companies?

SINK scores Consulting / Professional Services companies on 10 questions using public data: Scope 1/2/3 carbon footprint, energy source, nature and biodiversity, resource use, water impact, emissions trajectory, science-based targets, transparency, and major controversies. The formula adjusts for the industry's inherent environmental footprint and company scale.

Which Consulting / Professional Services company has the worst sustainability score?

The Linux Foundation has the lowest SINK score among Consulting / Professional Services companies at 27/100 (Significant gaps).

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