Aon plc, a leading global professional services firm headquartered in Great Britain, specialises in risk, retirement, and health solutions. Founded in 1982, Aon has established a strong presence across major operational regions, including North America, Europe, and Asia-Pacific. The company is renowned for its innovative approach to risk management and insurance brokerage, offering unique products and services that cater to diverse client needs.
With a commitment to delivering data-driven insights, Aon stands out in the industry through its advanced analytics and technology solutions. The firm has achieved significant milestones, including numerous awards for excellence in service delivery and client satisfaction. As a trusted partner for businesses worldwide, Aon continues to solidify its market position, helping clients navigate complex challenges in an ever-evolving landscape.
+27 vs industry average
Aon’s score of 59 is higher than 77% of the industry. This can give you a sense of how well the company is doing compared to its peers.
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Industry Intensity
Business Services has below-average carbon intensity
Industry performance
The Business Services industry has increased its overall emissions by 24% since 2019
Emissions trajectory 2020 – 2028
Reported emissions
Scope 3 accounts for ••• of total emissions.
Aon's reported carbon emissions
In 2025, Aon reported total carbon emissions of approximately 43,474,000 kg CO2e, comprising 20,189,000 kg CO2e from Scope 1 and 23,285,000 kg CO2e from Scope 2 emissions. The company has set ambitious climate commitments, aiming for net-zero carbon emissions by 2030. This commitment encompasses all scopes of emissions. Aon has also established science-based targets, committing to reduce absolute Scope 1 and 2 greenhouse gas emissions by 55% by 2032, using 2019 as the base year. Additionally, Aon aims for 81% of its suppliers, covering purchased goods and services, to have science-based targets by 2027. The company has consistently reported emissions data, with significant reductions noted over the years. For instance, in 2022, Aon's total emissions were approximately 396,199,000 kg CO2e, indicating a proactive approach to managing and reducing its carbon footprint. Aon's climate initiatives reflect a strong commitment to sustainability and align with industry standards for climate action.
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Aon’s Climate Goals (2030 & 2050)
1 goal2030
Aon remains committed to achieving net-zero greenhouse gas e…
Aon remains committed to achieving net-zero greenhouse gas emissions by 2030,
2030
62% reduction in total GHG
Vs 2019 baseline. Validated by SBTi. Includes full supply chain.
2040
50% reduction in Scope 3 intensity
Across purchased goods and services and logistics.
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Scope 3 top emissions categories
No scope 3 category breakdown has been disclosed yet.
Climate initiatives
Science Based Targets Initiative
Carbon Disclosure Project
The Climate Pledge
UN Global Compact Climate Champions initiative
RE 100
Climate Action 100
Emissions comparison with industry peers
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Aon
Frequently asked questions
Common questions about Aon’s sustainability data and climate commitments
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