Recently scored: Investec, Metlen Energy & Metals, Centrica, London Stock Exchange Group
Sector Rankings

Most Sustainable Insurance Companies 2026

10 Insurance companies ranked 0–100 on real environmental impact using SINK's open, physics-first formula.

10
Companies ranked
46
Sector average
59
Sector best (Aviva)
Full ranking
1
🛡️AvivaMaking progress
59
2
🏦Swiss ReMaking progress
55
3
🛡️AXAMaking progress
53
4
🛡️Zurich InsuranceMaking progress
50
5
🛡️HiscoxMaking progress
47
6
🛡️BeazleyBelow expectations
45
7
🛡️AllianzBelow expectations
38
8
🚗AdmiralBelow expectations
38
9
🛡️PrudentialBelow expectations
37
10
🏛️Standard LifeBelow expectations
37
Frequently asked

Insurance sustainability, answered.

Which Insurance company is the most sustainable?

Aviva is the highest-scoring Insurance company on SINK with a score of 59/100 (Making progress).

What is the average sustainability score for Insurance companies?

The average SINK score across 10 Insurance companies is 46/100. The global average across all 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?

Standard Life has the lowest SINK score among Insurance companies at 37/100 (Below expectations).

Compare across all sectors in the full leaderboard.

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