Aon | Sustainability & Chart

IE00BLP1HW54

Basic information on Aon

Location: Ireland

Industry: Professional & Technical Services

Website

Impact Score

Description Aon

Aon plc is a global professional services firm providing a broad range of risk, retirement, and health solutions. It operates in insurance and reinsurance brokerage, and human capital and management consulting sectors.

Aon Sustainability Performance

Climate

45%

Renewable Energy

Aon obtains 13% of its energy from renewable energies. Target value per method: min. 100%

Greenhouse Gas Emissions

Aon emits 15% of its CO₂ budget of 291,616 tons of CO₂ equivalent. Target value per method: max. 100% of CO₂ budget

Supply Chain

Taking into account the entire supply chain, Aon emits 1,5 times its CO₂ budget of 316,176 tons of CO₂ equivalent. Target value per method: max. 100% of CO₂ budget

Recycling and Recovery of Waste

No data available for Aon. Target value per method: min. 75%

Society

26%

Union Formation and Collective Bargaining Power

No data available for Aon. Target value per method: min. 80%

CEO Pay Ratio

CEO Gregory C. Case earns 826 times the median salary of employees. Target value per method: max. 30 times

Employee Turnover Rate

No data available for Aon. Target value per method: max. 10%

Harassment and Discrimination at the Workplace

Aon meets 4 quality criteria for handling harassment and discrimination at the workplace. Target value per method: 4 quality criteria

Gender

59%

Women on Board

Aon has 40,9% women across its top leadership and supervisory bodies. Target value per method: min. 40%

Gender Pay Gap

No data available for Aon. Target value per method: max. 3%

Women in Management

Aon employs 30% female managers. Target value per method: min. 40%

Glass Ceiling

The proportion of women in senior management at Aon is 53,6% of the proportion of women in the overall workforce. Target value per method: min. 90%

Sustainable [100]

Almost sustainable [67-99]

Moderate [34-66]

Not sustainable [0-33]

No data

Renewable Energy

Greenhouse Gas Emissions

Supply Chain

Waste Recycling

Sustainable [100]

Almost sustainable [67-99]

Moderate [34-66]

Not sustainable [0-33]

No data

We measure the sustainability of companies based on 12 criteria.Indicators range from 0 to 100: values from 0 to 33 are shown in red (“not sustainable”), values from 34 to 66 in yellow (“moderate”), values from 67 to 99 in light green (“almost sustainable”), and a value of 100 in green (“sustainable”). Learn more about our method.

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Aon

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Impact Score

Climate

Society

Gender

45%

26%

59%

Aon

?

Impact Score

Climate

Society

Gender

Sources of sustainability performance

Metric	Value	Unit	Year	PDF Name	PDF Page
CEO Pay Ratio
CEO name	Gregory C. Case		2025	Aon plc 2025 10-K-2026-02-13-14-54.pdf	30
CEO-to-median-salary-ratio	826	Ratio	2025	AON (Aon plc Class A (Ireland)) (DEF 14A) 2026-04-28.pdf	78
Glass Ceiling
Women in management	30	%	2025	Aon plc 2025 10-K-2026-02-13-14-54.pdf	10
Women in workforce	56	%	2025	Aon plc 2025 10-K-2026-02-13-14-54.pdf	10
Greenhouse Gas Emissions
Number of employees	60 000	people	2025	Aon plc 2025 10-K-2026-02-13-14-54.pdf	10
Scope 1 emissions	20 189	MTCO2e	2025	aon-2025-impact-report.pdf	12
Scope 2 emissions, location based	24 488	MTCO2e	2025	aon-2025-impact-report.pdf	12
Harassment and Discrimination at the Workplace
Incident notification mechanism	Yes		2025	aon-code-of-business-conduct.pdf	10
Confidentiality mechanisms	Yes		2025	aon-code-of-business-conduct.pdf	10
Anti-discrimination policy	Yes		2025	aon-2025-impact-report.pdf	31
Retaliation safeguards	Yes		2025	aon-code-of-business-conduct.pdf	10
Renewable Energy
Total renewable energy consumption	13	%	2025	aon-2025-impact-report.pdf	25
Supply Chain
Scope 3 emissions	416 183	tons	2024	aon-2024-impact-report.pdf	9
Number of employees	60 000	employees	2024	AON (Aon plc Class A (Ireland)) (10-K) 2025-02-18.pdf	9
Scope 1 emissions	15 235	tons	2024	aon-2024-impact-report.pdf	9
Scope 2 emissions, location based	31 787	tons	2024	aon-2024-impact-report.pdf	9
Women on Board
Executive board size	9	people	2025	Aon plc 2025 10-K-2026-02-13-14-54.pdf	30
Supervisory board size	13	people	2025	AON (Aon plc Class A (Ireland)) (DEF 14A) 2026-04-28.pdf	13
Women on executive board	4	people	2025	Aon plc 2025 10-K-2026-02-13-14-54.pdf	30
Women on supervisory board	38	%	2025	AON (Aon plc Class A (Ireland)) (DEF 14A) 2026-04-28.pdf	11
Women in Management
Women in management	30	%	2025	Aon plc 2025 10-K-2026-02-13-14-54.pdf	10

Note: The PDF pages given here refer to the page in the PDF document, which is not necessarily the one found in the footer of the page. For example, page 10 is the 10th page in the document, even if it is labeled as page 8.

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Aon | Sustainability & Chart

Basic information on Aon

Description Aon

Aon Sustainability Performance

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Aon

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