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  5. AON
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AON | Sustainability Performance

https://www.aon.com

Provides risk management, insurance, and consulting services to businesses and individuals.

1982

United Kingdom

10,001+ employees

Insurance

$10B+ in revenue

$1B - 10B in profitability

Submit or report inaccurate dataDownload Company InsightsⓘBy downloading this report, you'll receive the most insightful and detailed analysis of the company's sustainability performance, compared to its peers. It includes key industry trends, carbon and energy intensity, nature impact, social metrics, and an in-depth look at key risks and controversies.

Sustainability Ranking & Industry Benchmark

#11397
Overallⓘ
#1253
in United Kingdomⓘ
#199
in Insuranceⓘ

Sustainability Maturity

ⓘ
​​0123456789​​%

Sustainability Intent

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Industry Rank

34 out of 222

Overview
Environmental
Carbon emissionsCarbon certificatesEnergy consumptionNature and biodiversity
Social
Diversity and InclusionPay GapsExternalities
Governance
TargetsSDG Impact
Financial Data
Business performanceCapital & innovationAnalyst projections

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CO2 scope 1 + 2 ⓘDirect emissions from owned or controlled sources, combined with indirect emissions from purchased electricity calculated using grid-average emission factors based on where the energy is consumed.
44.7KCO2e tonnes, 2025
Critical
Renewable energy ⓘProportion of the company's total energy consumption sourced from renewable sources, expressed as a percentage.
11%2024
Laggard
Female employees ⓘProportion of women in the company's total workforce, expressed as a percentage.
56%2025
Aligned
Externalities ⓘThe monetized estimate of environmental and social impacts caused by an organization that are not reflected in its financial accounts.
2.6M$, 2024
Leading
Market cap ⓘTotal market value of the company's outstanding shares, calculated by multiplying the share price by the number of shares outstanding.
68.6B$, 2026▲17.8% YoY
Revenue ⓘTotal revenue reported in the company's financial statements for the specified reporting year, reflecting income generated from primary business activities. Expressed in millions of USD.
17.2B$, 2025▼8.6% YoY

Intensity


Greenhouse gas intensity Scope 1, 2 (tCO₂e /$M)
Greenhouse gas intensity (Scope 1, 2, 3)(tCO₂e /$M)
Energy consumption (direct) intensity (MWh /$M)
Industry Benchmark

2.6

B/M 1.2

27.1

B/M 39.0

9.0

B/M 2.8


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Controversy level


Very Low
Low
Noticeable
High
Severe
Download Controversy Analysis
  • AON plc faced the 2021 USD 30 billion Willis Towers Watson failed merger (Aon-WTW USD 30 billion merger blocked by US DOJ antitrust enforcement July 2021, USD 1 billion termination fee paid by Aon to WTW July 2021) affecting US/UK institutional shareholders amid global insurance brokerage sector regulatory pressure.
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Reporting

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Sustainability Report

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Sustainability employees

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Total sustainability employees

11+

ⓘThis value represents the estimated number of employees in a company with sustainability-related roles or job titles, as determined by Illuminem using publicly available data.


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