Aon vs CNA: How Do They Compare for Workers’ Compensation Insurance?

CNA offers workers’ comp safety training and return-to-work resources and says its claims team averages 20 years’ experience; Aon describes construction brokerage. 3,7

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

Read the Aon profile

Read the Aon Workers’ Compensation Insurance page

CNA Small Business Insurance: Products, Agents and Service

CNA directs small-business buyers to independent agents and describes CNA Connect as a businessowners policy for more than 600 small-business classes. Issuer and availability vary by policy and state, so confirm both in a quote. 4,5,6

Read the CNA profile

What Is Workers’ Compensation Insurance?

Workers’ compensation can pay medical care and part of an employee’s lost wages after a work-related injury or illness. If you have staff, check who is covered in each state; owners, contractors and some workers may be treated differently. 8,9,10,11

Read the full coverage guide

Key Differences in Workers’ Compensation Insurance

Construction placement and injury prevention

Aon lists workers’ comp within construction coverage and describes project risk advisory. CNA offers safety information, training and risk-control programs to help businesses develop return-to-work strategies. Ask what site-level safety support is included and how it connects to a construction placement. 3 7

Claims team experience

CNA says its dedicated workers’ comp claims team averages 20 years of experience. Aon’s reviewed page does not describe claims staffing for the line. Buyers should request the claim contact model and escalation path before binding. 3 7

Policy response

CNA describes medical expenses and wage replacement for employees injured during employment. Aon lists workers’ comp without state benefit detail. Compare the carrier’s state forms and employer-liability terms against the actual workforce. 3 7

What to Confirm in Workers’ Compensation Insurance Quotes

  • Ask CNA which training and return-to-work services are available for the class and location. 3 7
  • Ask Aon who issues the policy and how it will support a serious injury claim. 3 7

Review Scores

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

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

CNA

9.0/ 10

Review Score

1 rated source

Customer feedback on CNA is mixed and hard to compare. NerdWallet gave it 4.5 out of 5 for manufacturers, while Trustpilot shows about 1.4 out of 5 from 49 mostly self-selected reviews.[1][5]

Read CNA reviews

Offering Details

Aon vs CNA: Workers’ Compensation Insurance: documented features by provider

CriteriaAon Workers’ Compensation brokerage and risk-advisory offeringCNA Workers’ Compensation
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 workers’ compensation, 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.

Confirm in your quote.

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.

Confirm in your quote.

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.

Confirm in your quote.

Coverage Features

Aon lists Workers’ Compensation Insurance among the construction coverage areas it brokers. The page does not describe state-specific statutory benefits, employer-liability terms or how a buyer’s policy responds. 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.

CNA workers’ comp covers medical expenses and wage replacement for employees injured in the course of employment. 7Company-reported. Entity: CNA brand; issuing CNA subsidiary may vary by product/state Product: United States commercial insurance Jurisdiction: United States Research source scope: US workers compensation Claim limitation: Company-reported; policy wording, underwriting and jurisdiction-specific availability control.

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.

Confirm in your quote.

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.

CNA offers safety information, training and risk-control programs to help businesses develop return-to-work strategies. 7Company-reported. Entity: CNA brand; issuing CNA subsidiary may vary by product/state Product: United States commercial insurance Jurisdiction: United States Research source scope: US workers compensation Claim limitation: Company-reported; policy wording, underwriting and jurisdiction-specific availability control.

CNA says its dedicated claims team averages 20 years of workers’ compensation experience. 7Company-reported. Entity: CNA brand; issuing CNA subsidiary may vary by product/state Product: United States commercial insurance Jurisdiction: United States Research source scope: US workers compensation Claim limitation: Company-reported; policy wording, underwriting and jurisdiction-specific availability control.

Full Comparison

More Aon vs CNA Comparisons

Other Workers’ Compensation Insurance Comparisons

Sources

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.

CNA

  1. Insurance for Small Businesses. CNA; Insurance for Small Businesses, lines 38-50 and 65-67 (CNA Central and agent route); lines 79-106 (product and stated appetite lists); page footer line 132 (CNA registered service mark). Accessed 2026-09-28.
  2. CNA Connect Small Businessowners Policy (BOP) | CNA Insurance. CNA; CNA Connect; coverages, product range, services. Accessed 2026-09-28.
  3. General Disclaimer. CNA; General Disclaimer paragraphs 1 and 5 (HTML lines 24 and 28): CNA describes Continental Casualty Company and its relevant affiliates; references to CNA may include one or more CCC affiliates; each particular policy/product/service is the responsibility only of the specific CNA company that issues or supplies it. Footer line 57 identifies CNA Financial Corporation as trademark registrant. Re-read 2026-09-29. Accessed 2026-09-29.
  4. Workers’ Compensation Insurance | CNA Insurance. CNA; Benefits, prevention, claims. Accessed 2026-09-28.

Workers’ Compensation Insurance Guide

  1. Workers’ Compensation Insurance. National Association of Insurance Commissioners; Opening definition; mandatory coverage except Texas opt-in; exclusive remedy; monopolistic state funds; self-insurance note. Accessed 2026-09-16.
  2. Small Business Insurance. National Association of Insurance Commissioners; Typically covers medical expenses, rehabilitation costs and lost wages; check with your state insurance department; ask these questions / who qualifies as a covered employee (contractors, part-time staff, interns); payroll and type-of-work rating factors. Accessed 2026-09-16.
  3. DWC employer information. California Department of Industrial Relations, Division of Workers’ Compensation; Opening trade-off and California requirement; basic benefits including medical care, temporary and permanent disability, supplemental job displacement, return-to-work supplement and death benefits; out-of-state employer note. Accessed 2026-09-16.
  4. Employer resources. Texas Department of Insurance, Division of Workers’ Compensation; In Texas, private employers can choose to carry workers’ compensation insurance coverage, but it is not required in most cases; lost wages and medical benefits; except when gross negligence results in a fatality, coverage limits liability. 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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