Aon, a global professional services firm specialising in risk, insurance, retirement and health solutions, has introduced two new consulting-led diagnostic tools aimed at helping organisations assess property and casualty exposures and use risk data to inform investment and insurance decisions.
The Property Risk Diagnostic and Casualty Risk Diagnostic are designed to give risk and finance teams a more structured view of their exposures, allowing them to examine loss drivers, assess potential mitigation measures and monitor changes over time. Aon said the tools are intended to provide a consistent evidence base for decisions on resilience, risk management and insurance strategy.
The launch comes as organisations face increased pressure to demonstrate how risk is being managed and how investment in mitigation measures can affect financial outcomes. For property portfolios, this can include assessing the locations and hazards contributing to expected losses, while casualty risks can involve analysing claims trends and their effect on total cost of risk.
“Clients are asking a sharper question than a few years ago: not just what their risk is, but what to do about it and what it is worth,” commented Christian Hoffman, CEO of Commercial Risk, Aon. “Our Property Risk Diagnostic and Casualty Risk Diagnostic are two distinct tools built for two distinct problems, but they share the same purpose: giving risk and finance leaders an evidence base they can act on with confidence.”
Aon said its Property Risk Diagnostic is delivered by risk engineers from Aon Global Risk Consulting and combines modelled and historical loss information covering both natural catastrophe and day-to-day property risks. The analysis takes existing mitigation measures into account, allowing organisations to compare exposure across sites and hazards.
The tool also enables users to assess different resilience measures alongside one another, with the aim of helping them understand potential changes in risk and the associated investment case. Aon said the diagnostic can highlight the locations and perils contributing most significantly to expected loss and volatility.
The company’s consultants can use the findings to develop a resilience roadmap tailored to the client’s circumstances. Aon said this roadmap can be revisited over time to document changes in risk and support discussions during insurance renewals.
For casualty exposures, Aon’s new Casualty Risk Diagnostic uses client claims information covering areas including auto liability, general liability and workers’ compensation. The data is assessed alongside Aon’s proprietary benchmarking information to provide clients with a view of their claims experience and the factors contributing to total cost of risk.
Aon explained that the diagnostic provides quarterly, interactive insights that can be used to compare performance with relevant anonymised peer groups, identify areas contributing to loss costs and monitor progress against defined targets.
The tool also incorporates a savings calculator intended to help organisations assess the potential financial impact of targeted mitigation measures. A performance tracker allows clients to monitor selected objectives, while Aon consultants can provide a Custom Findings Summary and total cost of risk advisory to help translate the analysis into mitigation, risk transfer and retention considerations.
The Casualty Risk Diagnostic is initially being made available to clients in North America. Aon noted that it expects to extend availability to other international markets in 2027.
“Analytics only create value when they inform what a client does next,” added Richard Waterer, Global Risk Consulting Leader, Aon. “Both tools are consulting-led by design. Our engineers and consultants sit alongside the data, helping clients interpret the findings, agree on priorities and turn them into measurable improvements over time.”
Aon said the two diagnostics form part of its broader work to expand the use of data, analytics and technology across its risk services. The launch follows Aon’s AI Risk Diagnostic, introduced in July 2026, and complements existing capabilities including Aon Broker Copilot, Aon Claims Copilot and its Risk Analyzers.
Through the new tools, Aon is combining quantitative analysis with its consulting services to give clients additional information for understanding risk exposures, assessing possible mitigation measures and considering their wider risk and insurance strategies.
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