What Does Umbrella and Excess Liability Insurance from Aon Cover?
Aon brokers umbrella and excess liability insurance for contractors, owners, developers and other construction project parties through its global construction practice.
Aon Umbrella and Excess Liability brokerage and risk-advisory offering · Updated
What Is Aon’s Role in Umbrella and Excess Liability Insurance?
Aon says its global construction practice designs and places risk solutions and uses broking experience and a global network across construction insurance lines. For umbrella and excess liability, this is evidence of Aon’s brokered market offering; the page does not identify the insurer for a buyer’s placement. 1
Company-reported.Aon’s global construction and infrastructure practice page. This establishes a marketed brokerage/advisory offering, not policy issuance or account-specific placement.
Who Issues Aon Umbrella and Excess Liability Insurance?
The reviewed practice page does not name the insurer or producing legal entity for a specific placement. Ask for both on the quote and binder. 1
Not found in reviewed sources.Aon’s global practice page as reviewed 2026-09-30; no state-specific placement schedule or buyer quote was reviewed. This does not establish that Aon cannot arrange a placement.
Who Is Aon Umbrella and Excess Liability Insurance For?
Aon describes its global construction and infrastructure practice as serving contractors, owners, developers, engineers, architects, designers, financiers and investors, and says it works with organizations of varied sizes and complexity. 1
Company-reported.Audience described for Aon’s global construction and infrastructure practice. It does not establish U.S. state availability or underwriting eligibility for a placement.
Coverage Features of Aon Umbrella and Excess Liability Insurance
Aon lists Umbrella and Excess Liability as separate coverage areas within construction liability. The page does not specify an attachment point, underlying policy, limits or terms for a particular placement. 1
Company-reported.Aon’s marketing description of the brokerage/coverage area. The page is not the insurer’s policy form and does not establish an insured's entitlement to coverage.
Aon Umbrella and Excess Liability Insurance Limits and Retentions
The reviewed page does not state a buyer-specific limit, retention, deductible or other placement terms. Confirm these in the quote, bond or issued policy. 1
Not publicly disclosed.Aon’s global practice page as reviewed 2026-09-30; no quote, bond form or issued policy was reviewed.
Aon Umbrella and Excess Liability Insurance Risk Services
Aon describes project risk-advisory services to understand project-specific risks and develop risk-transfer, management or mitigation strategies. It also describes a global construction team and market access. These are company-reported brokerage and advisory services, not coverage benefits. 1
Company-reported.Company-reported advisory services on Aon’s global practice page; account-specific service scope is not stated.
Aon vs Other Umbrella and Excess Liability Insurance Providers
Other Coverage Lines From Aon
Sources for Aon Umbrella and Excess Liability Insurance
- Construction and Infrastructure Insurance and Risk Management. Aon; Construction client audience and global placement role, lines 123–126; offering descriptions lines 135–156; coverage-area taxonomy lines 167–195; contact link lines 120–122. Global practice page; no U.S. state or account-specific placement schedule. Accessed 2026-09-30.