Recently scored: Mace, Gatwick Airport, Heathrow Airport, The Boeing Company
Sector rankings

Most Sustainable Insurance Companies 2026

14 Insurance companies ranked 0–100 on real environmental impact using SINK's open formula.

14
Companies ranked
40
Sector average
55
Sector best (Swiss Re)
Full ranking
1
Swiss ReMaking progress
55
2
AXAMaking progress
53
3
Zurich InsuranceMaking progress
50
4
Elevance HealthMaking progress
49
5
AvivaBelow expectations
43
6
The Cigna GroupBelow expectations
39
7
AllianzBelow expectations
38
8
AdmiralBelow expectations
38
9
HiscoxBelow expectations
35
10
UnitedHealthBelow expectations
35
11
Standard LifeBelow expectations
34
12
PrudentialBelow expectations
32
13
BeazleyBelow expectations
32
14
State Farm Mutual Automobile Insurance CompanySignificant gaps
30
Frequently asked

Insurance sustainability, answered.

Which Insurance company is the most sustainable?

Swiss Re is the highest-scoring Insurance company on SINK with a score of 55/100 (Making progress).

What is the average sustainability score for Insurance companies?

The average SINK score across 14 Insurance companies is 40/100. The average across all 847 scored companies is 38/100.

How does SINK rate Insurance companies?

SINK scores Insurance 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 Insurance company has the worst sustainability score?

State Farm Mutual Automobile Insurance Company has the lowest SINK score among Insurance companies at 30/100 (Significant gaps).

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