Aon vs CFC: 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. CFC: sells an umbrella (excess) policy that sits above a business's primary professional liability, general liability, or cyber policy, or any combination of the three, in a single excess policy. 3,8

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

Read the Aon profile

Read the Aon Umbrella and Excess Liability Insurance page

What Is CFC Insurance?

CFC fits technology businesses seeking one eligible package for E&O, cyber, media/IP and general liability; buyers wanting to bind directly online should compare other routes. Its cyber policies may also include 24/7 incident support. 4,5,6,7

Read the CFC profile

Read the CFC 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

Read the full coverage guide

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. CFC describes sells an umbrella (excess) policy that sits above a business's primary professional liability, general liability, or cyber policy, or any combination of the three, in a single excess policy. Ask whether the proposed form follows the underlying wording or adds a stated feature, and identify the policies and exhaustion points it requires. 3 8

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. CFC describes this excess cover at small and micro businesses and says it will consider a wide range of professions. Compare the stated industry appetite and available capacity with your operations, then request the actual limit and attachment point for your account. 3 8

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. CFC describes sells an umbrella (excess) policy that sits above a business's primary professional liability, general liability, or cyber policy, or any combination of the three, in a single excess policy. Ask who handles underwriting questions, renewal changes and claims advocacy for the layer. 3 8

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 CFC to confirm the quoted coverage trigger, underlying policies and exclusions; its offering says sells an umbrella (excess) policy that sits above a business's primary professional liability, general liability, or cyber policy, or any combination of the three, in a single excess policy. 8

Aon and CFC 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

6.1/ 10

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 reviews

CFC Review Score

-/ 10

Review Score

No reviews found

The reviewed sources did not yield customer reviews of CFC; the available survey concerns UK brokers. The one rating we found is from UK brokers: 4.76 out of 5 in Insurance Times’ 2024/25 survey.[4][11]

Read CFC reviews

Aon vs CFC Umbrella and Excess Liability Insurance Compared

Aon vs CFC: Umbrella and Excess Liability Insurance: documented features by provider

CriteriaAon Umbrella and Excess Liability brokerage and risk-advisory offeringCFC Umbrella Cover
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.

CFC sells an umbrella (excess) policy that sits above a business's primary professional liability, general liability, or cyber policy, or any combination of the three, in a single excess policy. 8Company-reported. Umbrella cover product page description of what the policy tops up.

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 reviewed umbrella cover page does not name the insurer or Lloyd's syndicate carrying this excess risk. CFC's regulatory page lists CFC-affiliated underwriting entities, including its own Lloyd's Syndicate 1988, but does not tie one specifically to this product. 8,7Not publicly disclosed. Checked the umbrella cover page and CFC's regulatory information page; neither names a carrier for this product.

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.

CFC targets this excess cover at small and micro businesses and says it will consider a wide range of professions. 8Company-reported. Umbrella cover product page; specific eligibility for a given business depends on underwriting.

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.

CFC says it will provide this excess layer regardless of whether the underlying primary policy is placed with CFC or with another insurer. 8Company-reported. Umbrella cover product page.

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 reviewed umbrella cover page does not publish maximum excess limit amounts or the underlying primary limits it requires; those would appear on a quote. 8Not found in reviewed sources. Umbrella cover page checked on 2026-09-23 has no product brochure content extracted beyond the page text; no numeric limit figures appear on the page itself.

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.

The umbrella cover page directs interested businesses to contact CFC directly rather than describing an online quote or indication tool. 8Company-reported. Umbrella cover product page call to action.

Related Pages for Aon vs CFC Umbrella and Excess Liability Insurance

Umbrella and Excess Liability Insurance Pages for Aon and CFC

Other Coverage Lines Compared for Aon vs CFC

Other Umbrella and Excess Liability Insurance Provider Comparisons

Sources for Aon vs CFC Umbrella and Excess Liability Insurance

Sources About Aon

  1. 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.
  2. 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.
  3. 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 CFC

  1. About CFC. CFC; Matt Taylor biography: independent MGA and Syndicate 1988. Accessed 2026-09-16.
  2. Technology. CFC; Introduction; Technology key features; Digitally traded. Accessed 2026-09-16.
  3. Technology — United States product brochure. CFC; Page 1: coverage sections, including Products and services liability; Response app highlights; Limits and deductibles. Accessed 2026-09-16.
  4. Regulatory information. CFC; CFC Underwriting Limited; CFC Lloyd's Syndicate 1988. Accessed 2026-09-23.
  5. Excess umbrella insurance cover | CFC. CFC; Umbrella cover description; 'We offer additional insurance for small and micro businesses...'. Accessed 2026-09-23.

Sources for the Umbrella and Excess Liability Insurance Guide

  1. 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.
  2. 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.
  3. 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.
  4. Coverage Hub. Coverdash; Excess & Specialty: Umbrella; Excess Liability. Accessed 2026-09-16.
  5. Products. Kinro; 09 Umbrella/Excess: additional limits above scheduled underlying policies; when to review; reviewed with. Accessed 2026-09-16.

Updated . Spot, a product of Tools for Enlightenment, publishes this research and works in the commercial insurance market. The comparison applies the same criteria to both providers. Editorial policy. To suggest a correction, contact Spot with the page URL and supporting source.

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