Aon vs 
Coverdash: How Do They Compare for Umbrella and Excess Liability Insurance?
Aon: 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. Coverdash: commercial umbrella coverage as a broker rather than an insurer, placing coverage with a carrier under its standard brokerage terms. 3,6,7
What Is Aon?
Aon’s U.S. Commercial Risk terms describe brokerage for certain insurance programs, while its Middle Market page describes a dedicated practice for mid-sized organizations across North America. The public materials reviewed do not identify the licensed producer or insurer for a particular placement. Ask which entity will produce each line and which insurer will issue the policy; request jurisdiction details for the proposed placement and ask how compensation and claim notice work for your account. 1,2
What Is Coverdash Insurance?
Coverdash suits small businesses that want online shopping or an embedded partner purchase with one account for policies and billing; firms needing specialized complex-risk advice should compare broker-led programs. 4,5,6
Read the Coverdash Umbrella and Excess Liability Insurance page
What Is Umbrella and Excess Liability Insurance?
Umbrella or excess insurance adds liability limits above the policies named in the quote after a covered claim exhausts their limits. It may fit if a contract sets higher limits; check which primary policies are listed and any gaps between them. 9,10,11,12,13
Key Differences in Umbrella and Excess Liability Insurance
How the excess layer follows underlying coverage
Aon describes 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. Coverdash describes its umbrella product as an extra layer of liability limits that sits above general liability, commercial auto and the employer-liability part of workers' compensation once those underlying limits are exhausted by a large claim. Ask whether the proposed form follows the underlying wording or adds a stated feature, and identify the policies and exhaustion points it requires. 3 7
Capacity and buyer segment
Aon describes 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. Coverdash describes umbrella coverage to businesses that face large liability exposure or whose contracts require higher limits than their underlying policies carry. Compare the stated industry appetite and available capacity with your operations, then request the actual limit and attachment point for your account. 3 7
Broker or insurer service route
Aon describes 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. Coverdash describes commercial umbrella coverage as a broker rather than an insurer, placing coverage with a carrier under its standard brokerage terms. Ask who handles underwriting questions, renewal changes and claims advocacy for the layer. 3 6
What to Confirm in Umbrella and Excess Liability Insurance Quotes
- Ask Aon to confirm the quoted coverage trigger, underlying policies and exclusions; its offering says 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. 3
- Ask Coverdash to confirm the quoted coverage trigger, underlying policies and exclusions; its offering says commercial umbrella coverage as a broker rather than an insurer, placing coverage with a carrier under its standard brokerage terms. 6
Aon and Coverdash Review Scores for 2026
These averages can combine ratings for different products, locations, and customer groups, including approximate BBB grade conversions. Read each review for the sources, scope, and calculation.
Aon Review Score
Review Score
3 rated sources
Public ratings for Aon are low: Trustpilot shows 1.2 out of 5 from 782 reviews, and BBB shows 1.6 from five. Aon is a global firm, so those pages mostly reflect other parts of the business, not large U.S. commercial accounts.[4][6][7]
Read Aon reviewsCoverdash Review Score
Review Score
2 rated sources
Coverdash offers convenient quote comparison, but public customer feedback is sparse. A BBB unanswered-complaint record makes responsiveness worth checking before purchase.[1][4][6]
Read Coverdash reviewsAon vs Coverdash Umbrella and Excess Liability Insurance Compared
Aon vs Coverdash: Umbrella and Excess Liability Insurance: documented features by provider
| Criteria | Aon Umbrella and Excess Liability brokerage and risk-advisory offering | Coverdash Commercial Umbrella Insurance |
|---|---|---|
| Role in This Line | 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. 3Company-reported. Aon’s global construction and infrastructure practice page. This establishes a marketed brokerage/advisory offering, not policy issuance or account-specific placement. | Coverdash arranges commercial umbrella coverage as a broker rather than an insurer, placing coverage with a carrier under its standard brokerage terms. 6,7Company-reported. General brokerage terms applied to the umbrella page; not specific to any one carrier or state. |
| Issuing Insurer | 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. 3Not 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. | The umbrella page does not name the insurer that issues the policy. 7Not publicly disclosed. Reviewed umbrella page as of 2026-09-23; the page describes coverage without naming a specific carrier. |
| Who It’s 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. 3Company-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. | Coverdash markets umbrella coverage to businesses that face large liability exposure or whose contracts require higher limits than their underlying policies carry. 7Company-reported. Product-page eligibility description; actual acceptance depends on underwriting and the underlying policies already in place. |
| Coverage Features | 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. 3Company-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. | Coverdash describes its umbrella product as an extra layer of liability limits that sits above general liability, commercial auto and the employer-liability part of workers' compensation once those underlying limits are exhausted by a large claim. 7Company-reported. Product-page coverage cards; the underlying policies and their limits determine when umbrella coverage attaches, and the issued umbrella policy controls actual wording and exclusions. Coverdash's coverage hub lists Umbrella and Excess Liability as two separate catalog entries in its Excess & Specialty group, though the umbrella product page itself does not explain how the two differ. 8,7Not found in reviewed sources. Coverage hub category structure; the umbrella page reviewed for this record does not distinguish umbrella from a standalone excess-liability policy. |
| 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. 3Not publicly disclosed. Aon’s global practice page as reviewed 2026-09-30; no quote, bond form or issued policy was reviewed. | The umbrella page does not publish specific available limit amounts, attachment points or pricing. 7Not publicly disclosed. Reviewed umbrella page as of 2026-09-23; figures are quote-specific and not shown on the public product page. |
| 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. 3Company-reported. Company-reported advisory services on Aon’s global practice page; account-specific service scope is not stated. | Confirm in your quote. |
| How to Apply | Confirm in your quote. | Coverdash describes a fully digital quote-to-purchase process for umbrella coverage, which it sells on top of a business's existing underlying policies. 7Company-reported. Product-page company information and cross-sell section. |
Related Pages for Aon vs Coverdash Umbrella and Excess Liability
Umbrella and Excess Liability Insurance Pages for Aon and Coverdash
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Sources for Aon vs Coverdash Umbrella and Excess Liability Insurance
Sources About Aon
- Commercial Risk Solutions U.S. Brokerage Terms of Service. Aon; Lines 120–127: certain-program broker-of-record scope, consultation, application assistance, client signature and bind instruction, and account administration; lines 140–147: variable and contingent compensation, potential placement incentive, and client request route; lines 206–213: no price guarantee and surplus-lines limitations; lines 229–231: client insurer-notice duty unless separately agreed. Accessed 2026-09-29.
- Middle Market Clients. Aon; Lines 125–132: mid-sized organizations and middle-market framing; lines 165–173: dedicated practice and North America statement; lines 188–224: Commercial Risk capabilities. No numeric company-size cutoff or U.S.-only eligibility rule is stated on the reviewed page. Accessed 2026-09-29.
- 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.
Sources About Coverdash
- Frequently Asked Questions. Coverdash; Getting a quote & buying coverage; Claims & certificates; Billing & managing your policy; About Coverdash. Accessed 2026-09-15.
- About Us. Coverdash; How Coverdash Works: direct and embedded channels; Our Investors. Accessed 2026-09-15.
- Terms And Conditions. Coverdash; "Coverdash does not provide any underwriting services"; broker/agent of record designation. Accessed 2026-09-23.
- Commercial Umbrella Insurance. Coverdash; Product introduction; Types of Coverage cards for Excess general liability, Excess auto liability, Excess employer liability, Higher limits; Who It's For. Accessed 2026-09-23.
- Coverage Hub. Coverdash; Excess & Specialty category listing Umbrella and Excess Liability as separate catalog entries. Accessed 2026-09-23.
Sources for the Umbrella and Excess Liability Insurance Guide
- Liability Insurance. Insurance Information Institute; Heading Umbrella Liability Insurance; sentence Umbrella Liability—also known as Excess Liability Insurance; underlying policies listed with limits; typically GL, auto and employers’ liability; starts when a covered loss exhausts the primary per occurrence limit; Most umbrella policies exclude EPL, professional liability, product recall, workers compensation, asbestos, pollution, war and terrorism. Accessed 2026-09-16.
- Commercial Insurance Guide. California Department of Insurance; Commercial Umbrella; excess over a basic liability policy; auto/CGL/WC or any liability policy can be covered; may respond if basic policy not in force or for gaps; SIR when no underlying. Accessed 2026-09-16.
- Lines of Insurance. California Department of Insurance; Umbrella or Excess Liability Policy: excess limits over existing liability; may provide additional coverages not provided by underlying policies. Accessed 2026-09-16.
- Coverage Hub. Coverdash; Excess & Specialty: Umbrella; Excess Liability. Accessed 2026-09-16.
- Products. Kinro; 09 Umbrella/Excess: additional limits above scheduled underlying policies; when to review; reviewed with. Accessed 2026-09-16.
