Overview

Aon is a global professional services firm established in 1982 through the merger of several insurance and advisory businesses. It provides advice and solutions across risk, insurance, reinsurance, health, retirement and human capital. Aon’s stated purpose is to help organisations make better decisions to protect and grow their businesses. Operating in more than 120 countries, Aon serves corporates, governments and institutions. Its work is grounded in data, analytics and advisory services that support decision-making in complex risk environments.

Mission and focus areas

Aon focuses on helping clients understand, measure and manage risk in a changing global economy. Core areas include commercial risk and insurance, reinsurance, employee benefits, retirement solutions, and health advisory services. The organisation has a strong emphasis on analytics and modelling, particularly in relation to climate risk, natural catastrophes and emerging systemic risks. Aon’s work increasingly aligns with sustainable finance and ESG priorities by supporting climate resilience, adaptation planning, risk disclosure and long-term financial stability.

Structure and governance

Aon operates as a publicly listed company with a global governance structure. It is led by a Board of Directors and an executive leadership team responsible for strategy, risk oversight and operational performance. The firm is organised into major business lines covering Risk Capital and Human Capital, supported by regional and country-level leadership. Specialist teams operate across analytics, climate, health and retirement, working closely with clients and partners.

Programs and offerings

Aon delivers a wide range of advisory services, analytical tools and research outputs. These include catastrophe modelling, climate and weather risk analytics, insurance and reinsurance broking, employee benefits design, and retirement and health solutions. The organisation produces regular market insights, risk reports and data-driven research used by finance, risk and sustainability professionals. These resources support decision-making on resilience, capital allocation, risk transfer and long-term value creation in the context of climate change and evolving global risks.