Senior Forensic Accountant in London

As part of an industry-leading team, you will help empower better decisions for our clients by delivering innovative and effective solutions as part of our Aon Global Risk Consulting business group. You will report directly to the Practice Leader of Aon's Claims Preparation, Advocacy and Valuation (CPAV) team in the United Kingdom.

The Principal Claims Consultant is a senior technical and client‑facing expert within Aon's Claims Preparation, Advocacy & Valuation (CPAV) practice. The role is responsible for leading the strategic approach and management of complex property damage and business interruption losses on behalf of Aon's Commercial Risk clients.

Operating as a trusted adviser to clients, insurers, and loss adjusters, the Principal Claims Consultant sets the technical direction for engagements, provides authoritative views on best practice loss mitigation, claim methodology and policy application, and plays a key role in practice leadership, client development, and talent mentoring across CPAV.

Key aspects of the roles & responsibilities include:

• Leadership of Complex Claims Quantification
• Lead the end‑to‑end quantification of complex, high‑value and/or contentious insurance claims, including advisement on claims process, methodology, and market practice.
• Advising on initial decisions with regards to mitigation and reinstatement to regain pre‑loss operational position in the most cost effective and time efficient manner.
• Assisting in determining the cause of the incident and working with the insurers loss adjusters to establish how the policy will respond.
• Calculating an order of magnitude and cash flow forecast to ensure a cash neutral position.
• Collating, allocating and supporting all items of expenditure to substantiate the claim in accordance with the terms of the policy.
• Familiarity with cost estimation for reinstatement.
• Experience with Construction, Energy, or Renewables claims, a plus.
• Providing advice into the methodology and quantification of business interruption losses.
• Compiling interim claims through to a final submission with a negotiated settlement.
• Being the main point of contact for the insured's risk management and site personnel.
• Being the main point of contact to manage loss adjusters and other insurer representatives.
• Leading communication with clients, insurers, loss adjusters and other third parties involved.
• Act as the technical authority on loss measurement approaches for complex claims, including scenario modelling, counterfactual analysis, and sensitivity testing.
• Review and challenge opposing methodologies proposed by insurers, loss adjusters, and expert advisers, supporting negotiation and resolution.

Client Advisory & Stakeholder Engagement

• Serve as a senior trusted adviser to Aon clients throughout the claims lifecycle, from initial loss event through to settlement and closure.
• Present complex analyses and conclusions through clear executive summaries, negotiation papers, and formal claim submissions.
• Lead senior‑level discussions with insurers, loss adjusters, legal advisers, and other third parties, representing client interests with authority and credibility.

Practice Leadership & Growth

• Contribute to CPAV's growth strategy, including the development of new service offerings, client propositions, advisory workshops and innovative approaches to claims quantification.
• Support internal collaboration across Aon (broking, analytics, cyber, construction, energy, power, and specialty lines) to expand CPAV's reach.
• Maintain strong professional relationships across the claims, loss adjusting, and insurance advisory market.

People, Quality & Risk Management

• Act as a mentor and technical coach to senior and junior team members, providing guidance on methodology, judgement, and client management.
• Review and sign‑off complex work products, ensuring technical excellence, consistency, and quality control across engagement.
• Operate in accordance with the Aon UK Limited Risk Management Framework and all relevant governance, compliance, and training requirements.

Skills and Qualifications

• Extensive experience (typically 10+ years) as a qualified loss adjuster, loss assessor forensic accountant, claims manager, claims consultant or equivalent; dealing with commercial lines and multinational clients.
• Proven track record of leading complex, high‑value or disputed claims involving multinational or large commercial clients.
• Excellent client advocacy, communication, and negotiation skills, with the ability to explain complex concepts to non‑technical audiences.
• Strong policy interpretation, and technical insurance skills.
• Knowledge in project scheduling and construction estimating.
• Knowledge of replacement valuations or physical property.
• Strong project management, communication and stakeholder management skills.
• Ability to lead a large claim and conduct C‑suite level discussions.
• Ability to work interpersonally with various project, internal, and client teams.
• Ability to effectively network.
• Ability to travel domestically and internationally, sometimes at short notice.
• MS Office proficiency essential.

Salary and Benefits

This role offers a competitive salary and bonus, plus a comprehensive benefits package and 25 days holiday. Through our flexible benefits, you will also have the opportunity to choose additional benefits, including healthcare and additional holiday. We also offer tremendous potential with a growing worldwide organisation.

We’re happy to talk flexible working. If you need to flex your working pattern, Aon offers flexible and agile working policies and we’re happy to discuss options with you upon application.