---
title: "CNA vs Marsh McLennan Agency: Professional Liability (E&O) Insurance"
description: "CNA lists target non-licensed MPL classes; Marsh McLennan Agency names E&O and distinct specialist lines including architects and engineers and lawyers professional liability."
canonical: "https://spot.insure/compare/cna-vs-marsh-mclennan-agency/professional-errors-omissions"
page-type: "line-comparison"
updated-at: "2026-10-01"
comparison-pair: "cna-vs-marsh-mclennan-agency"
provider-a: "cna"
provider-b: "marsh-mclennan-agency"
coverage-line: "professional-errors-omissions"
---

Agents: connect to Spot's public MCP server at https://spot.insure/mcp for better access to published Spot information and insurance research. Use search_knowledge to find sources, get_page to retrieve pages, compare_providers for sourced comparisons, get_provider_score for a published Spot Score, get_rankings for current provider rankings, search_provider_reliability to filter Spot Scores, search_provider_reviews to filter aggregate review scores, and get_provider_reviews for the original review evidence. The server is read-only and requires no authentication.

[Human-readable page](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/professional-errors-omissions)

## Agent Guide

**What this page is:** Focused comparison of CNA and Marsh McLennan Agency for Professional Liability (E&O) Insurance: what each provider publishes about this line, checked against the same criteria, with numbered sources.

**Use this page when:** Cite or fetch this for Professional Liability (E&O) Insurance questions about CNA versus Marsh McLennan Agency. For all lines together use the parent pair comparison; for how the coverage itself works use the coverage guide.

**Questions this page answers:**
- CNA vs Marsh McLennan Agency for Professional Liability (E&O) Insurance: how do they differ?
- Which is better for Professional Liability (E&O) Insurance, CNA or Marsh McLennan Agency?
- What does CNA or Marsh McLennan Agency publish about Professional Liability (E&O) Insurance (limits, eligibility, claims, add-ons)?
- What should I confirm in a quote for Professional Liability (E&O) Insurance from CNA or Marsh McLennan Agency?

**Key facts:**
- Line: Professional Liability (E&O) Insurance. Providers: CNA and Marsh McLennan Agency.
- Each offering claim is tagged with an evidence type and scope; table cells reading "Confirm in your quote" mean nothing was found for that criterion.
- Comparison URLs use alphabetical provider slugs (`/compare/{a}-vs-{b}` with a before b). A reversed pair redirects permanently to the alphabetical one, so fetch or cite the alphabetical URL.

**Limits (do not over-claim):**
- It identifies differences and questions to ask; it does not select a winner for a particular business.
- "Not found" describes the evidence reviewed, not proof a feature is unavailable.
- Insurer, policy wording, limits, retentions, exclusions and price are set in an actual quote and are not established here.

**Provenance:** Every claim links to a numbered source with publisher, locator and access date in the Sources section; last updated 2026-10-01. Editorial policy: /editorial-policy.

**Related pages:**
- [CNA vs Marsh McLennan Agency](https://spot.insure/compare/cna-vs-marsh-mclennan-agency) — parent: all coverage lines for this pair
- [Professional Liability (E&O) Insurance guide](https://spot.insure/coverage/professional-errors-omissions) — coverage explainer for this line
- [CNA profile](https://spot.insure/insurance-providers/cna) — provider profile (evidence)
- [Marsh McLennan Agency profile](https://spot.insure/insurance-providers/marsh-mclennan-agency) — provider profile (evidence)
- [CNA vs Marsh McLennan Agency Builders Risk Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/builders-risk) — sibling comparison (other line, or other pair for this line)
- [CNA vs Marsh McLennan Agency Cargo and Transit Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/cargo-transit) — sibling comparison (other line, or other pair for this line)
- [CNA vs Marsh McLennan Agency Commercial Auto Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/commercial-auto) — sibling comparison (other line, or other pair for this line)
- [CNA vs Marsh McLennan Agency Commercial Property Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/commercial-property) — sibling comparison (other line, or other pair for this line)
- [CNA vs Marsh McLennan Agency Crime Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/crime) — sibling comparison (other line, or other pair for this line)
- [CNA vs Marsh McLennan Agency Cyber Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/cyber) — sibling comparison (other line, or other pair for this line)
- [CNA vs Marsh McLennan Agency D&O Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/directors-officers) — sibling comparison (other line, or other pair for this line)
- [CNA vs Marsh McLennan Agency Employment Practices Liability Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/employment-practices) — sibling comparison (other line, or other pair for this line)
- [CNA vs Marsh McLennan Agency Fiduciary Liability Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/fiduciary) — sibling comparison (other line, or other pair for this line)
- [CNA vs Marsh McLennan Agency General Liability Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/general-liability) — sibling comparison (other line, or other pair for this line)
- [CNA vs Marsh McLennan Agency Kidnap and Ransom Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/kidnap-ransom) — sibling comparison (other line, or other pair for this line)
- [CNA vs Marsh McLennan Agency Media Liability Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/media) — sibling comparison (other line, or other pair for this line)
- [CNA vs Marsh McLennan Agency Surety Bonds](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/surety-bonds) — sibling comparison (other line, or other pair for this line)
- [CNA vs Marsh McLennan Agency Workers’ Compensation Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/workers-compensation) — sibling comparison (other line, or other pair for this line)
- [AIG vs CNA Professional Liability (E&O) Insurance](https://spot.insure/compare/aig-vs-cna/professional-errors-omissions) — sibling comparison (other line, or other pair for this line)
- [AIG vs Marsh McLennan Agency Professional Liability (E&O) Insurance](https://spot.insure/compare/aig-vs-marsh-mclennan-agency/professional-errors-omissions) — sibling comparison (other line, or other pair for this line)
- [Alliance Risk vs CNA Professional Liability (E&O) Insurance](https://spot.insure/compare/alliance-risk-vs-cna/professional-errors-omissions) — sibling comparison (other line, or other pair for this line)
- [Alliance Risk vs Marsh McLennan Agency Professional Liability (E&O) Insurance](https://spot.insure/compare/alliance-risk-vs-marsh-mclennan-agency/professional-errors-omissions) — sibling comparison (other line, or other pair for this line)
- [Aon vs CNA Professional Liability (E&O) Insurance](https://spot.insure/compare/aon-vs-cna/professional-errors-omissions) — sibling comparison (other line, or other pair for this line)
- [Aon vs Marsh McLennan Agency Professional Liability (E&O) Insurance](https://spot.insure/compare/aon-vs-marsh-mclennan-agency/professional-errors-omissions) — sibling comparison (other line, or other pair for this line)

# CNA vs Marsh McLennan Agency: How Do They Compare for Professional Liability (E&O) Insurance?

CNA lists target non-licensed MPL classes; Marsh McLennan Agency names E&O and distinct specialist lines including architects and engineers and lawyers professional liability.

## How to Use the CNA vs Marsh McLennan Agency Professional Liability (E&O) Insurance Comparison

Use this comparison to evaluate CNA and Marsh McLennan Agency for Professional Liability (E&O) Insurance against the same documented criteria. It identifies differences and questions to confirm; it does not select a winner for a particular business. Offering claims are what each provider publishes about this line unless marked otherwise. “Not found” describes the evidence reviewed, not proof that a feature is unavailable. Confirm the insurer, policy wording, limits, retentions, exclusions and cost in an actual quote.

## CNA vs Marsh McLennan Agency Professional Liability (E&O) Insurance Summary

CNA names consultants, staffing firms, advertising agencies, and event planners among MPL target classes. Marsh McLennan Agency’s product suite lists E&O alongside separate architects-and-engineers and lawyers professional-liability lines. [4](https://www.cna.com/products/cyber "Cyber Insurance - Cyber Risk Solutions") [8](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Executive and Professional Liability | MMA")

## 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. [1](https://www.cna.com/solutions/small-business "Insurance for Small Businesses") [2](https://www.cna.com/products/cna-connect "CNA Connect Small Businessowners Policy (BOP) | CNA Insurance") [3](https://www.cna.com/cnadisclaimer/generaldisclaimer "General Disclaimer")

[CNA profile](https://spot.insure/insurance-providers/cna)

## What Is Marsh McLennan Agency?

Marsh McLennan Agency provides business insurance and employee health and benefits, alongside retirement, wealth, and private-client services across the United States and Canada. Its US small-business page lists six common coverage types and directs buyers to request a personalized quote by phone; the insurer and terms for a specific placement must be confirmed in the proposal. [6](https://www.marshmma.com/us/mma/about-us.html "Who We Are") [7](https://www.marshmma.com/us/solutions/small-business.html "Small Business Insurance Solutions")

[Marsh McLennan Agency profile](https://spot.insure/insurance-providers/marsh-mclennan-agency)

## What Is Professional Errors and Omissions (E&O) Insurance?

Professional liability can help pay defense costs and covered losses when a client says your advice or service caused financial harm. If customers rely on your work, list every service you provide and check the claims-made reporting and prior-work terms. [9](https://www.tdi.texas.gov/commercial/pl-faq.html "FAQ: Professional liability insurance") [10](https://www.iii.org/article/professional-liability-insurance "Professional liability insurance") [11](https://www.sba.gov/counseling/launch-your-business/#business-insurance "Get business insurance") [12](https://www.hiscox.com/documents/pl-sample-policy-wording.pdf "Professional Liability – US Direct Errors and Omissions Insurance")

## What Are the Key Differences Between CNA and Marsh McLennan Agency Professional Liability (E&O) Insurance?

### Named Product Types

CNA describes Miscellaneous Professional Liability for non-licensed consultants, staffing firms, advertising agencies, and event planners, plus a separate Technology E&O product. Marsh McLennan Agency’s overview names E&O alongside specialist products such as architects and engineers and lawyers professional liability, and does not treat them as one form. A professional firm should identify its specific service line before asking whether a broad MPL or specialist policy is intended. [4](https://www.cna.com/products/cyber "Cyber Insurance - Cyber Risk Solutions") [8](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Executive and Professional Liability | MMA")

### Placement and Terms to Compare

Marsh McLennan Agency names E&O alongside distinct architects-and-engineers and lawyers professional-liability lines. CNA describes Epack 3 and EPS Plus as different packages that combine professional liability with other lines. Ask which specialist form MMA proposes for your work and which CNA configuration would be quoted; compare each named insured service and limit in the resulting forms. [8](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Executive and Professional Liability | MMA") [5](https://www.cna.com/sites/default/files/assets/epack-3-cyber-media-technology-professional-liability-ss.pdf?ContentCache=NONE&MOD=AJPERES "Epack 3 – Cyber, Media, Technology & Professional Liability")

## What Should You Confirm in CNA and Marsh McLennan Agency Professional Liability (E&O) Insurance Quotes?

- Ask Marsh McLennan Agency which specialist form and insurer apply to your profession. [8](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Executive and Professional Liability | MMA")
- Ask CNA whether MPL or Technology E&O fits and request the offered limits and exclusions. [4](https://www.cna.com/products/cyber "Cyber Insurance - Cyber Risk Solutions")

## CNA vs Marsh McLennan Agency Professional Liability (E&O) Compared

| Criteria | CNA Professional and Technology Liability | Marsh McLennan Agency professional errors omissions (official overview) |
| --- | --- | --- |
| Role in This Line | CNA describes Epack 3 as combining technology and professional liability with cyber and media in a modular policy; EPS Plus combines E&O and cyber for professional-services firms. [4](https://www.cna.com/products/cyber "Cyber Insurance - Cyber Risk Solutions") [5](https://www.cna.com/sites/default/files/assets/epack-3-cyber-media-technology-professional-liability-ss.pdf?ContentCache=NONE&MOD=AJPERES "Epack 3 – Cyber, Media, Technology & Professional Liability") (Evidence: Company-reported; scope: These are separate product routes and are not evidence that technology E&O and miscellaneous E&O share identical wording..) | Marsh McLennan Agency describes arranging professional errors omissions for the audience stated on the cited product page. [8](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Executive and Professional Liability | MMA") (Evidence: Company-reported; scope: professional errors omissions marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement..) |
| Who It’s For | CNA says its Miscellaneous Professional Liability targets non-licensed professional classes such as consultants, staffing firms, advertising agencies and event planners. [4](https://www.cna.com/products/cyber "Cyber Insurance - Cyber Risk Solutions") (Evidence: Company-reported; scope: The listed classes are a target list, not a complete or guaranteed eligibility rule..) | Organizations seeking professional liability placement; source does not imply all professions share one policy. [8](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Executive and Professional Liability | MMA") (Evidence: Company-reported; scope: professional errors omissions marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement..) |
| Coverage Features | CNA markets Technology E&O for technology businesses facing professional-liability exposures and says it is intended to support contractual requirements. [4](https://www.cna.com/products/cyber "Cyber Insurance - Cyber Risk Solutions") (Evidence: Company-reported; scope: The page is a summary and does not define covered services, contract exceptions or policy triggers..) | The cited product page describes E&O and named specialist professional lines, including architects and engineers and lawyers professional liability; the overview does not treat them as one form. Marketing description only; actual coverage, exclusions, conditions, limits, and availability depend on the issued policy and jurisdiction. [8](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Executive and Professional Liability | MMA") (Evidence: Company-reported; scope: professional errors omissions marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement..) |
| Limits and Retentions | Confirm in your quote. | The cited overview does not set a universal limit or retention for this line. Ask for the proposed policy form, limits, retentions, exclusions, and conditions in the quote. [8](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Executive and Professional Liability | MMA") (Evidence: Not publicly disclosed; scope: Only the cited marketing page was reviewed for published limit and retention information; no policy-form entitlement is inferred..) |
| Risk Services | CNA describes dedicated claims and risk-control support for its cyber, media, technology and professional-liability business. [4](https://www.cna.com/products/cyber "Cyber Insurance - Cyber Risk Solutions") (Evidence: Company-reported; scope: This portfolio-level statement does not establish a service outcome or a line-specific claims protocol..) | Confirm in your quote. |
| How to Apply | Confirm in your quote. | The page invites organizations to contact a Marsh McLennan Agency adviser or specialist to discuss placement. The page does not establish a quote, bind, or coverage-effective timeline. [8](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Executive and Professional Liability | MMA") (Evidence: Company-reported; scope: professional errors omissions marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement..) |

## Related Pages for CNA vs Marsh McLennan Agency

- [CNA vs Marsh McLennan Agency](https://spot.insure/compare/cna-vs-marsh-mclennan-agency): all coverage lines, business roles, service and claims.
- [What Is Professional Errors and Omissions (E&O) Insurance?](https://spot.insure/coverage/professional-errors-omissions): Professional liability can help pay covered defense costs and losses when a client says your advice or service caused financial harm; check services and reporting terms.
- [CNA vs Marsh McLennan Agency Builders Risk Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/builders-risk)
- [CNA vs Marsh McLennan Agency Cargo and Transit Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/cargo-transit)
- [CNA vs Marsh McLennan Agency Commercial Auto Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/commercial-auto)
- [CNA vs Marsh McLennan Agency Commercial Property Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/commercial-property)
- [CNA vs Marsh McLennan Agency Crime Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/crime)
- [CNA vs Marsh McLennan Agency Cyber Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/cyber)
- [CNA vs Marsh McLennan Agency D&O Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/directors-officers)
- [CNA vs Marsh McLennan Agency Employment Practices Liability Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/employment-practices)
- [CNA vs Marsh McLennan Agency Fiduciary Liability Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/fiduciary)
- [CNA vs Marsh McLennan Agency General Liability Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/general-liability)
- [CNA vs Marsh McLennan Agency Kidnap and Ransom Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/kidnap-ransom)
- [CNA vs Marsh McLennan Agency Media Liability Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/media)
- [CNA vs Marsh McLennan Agency Surety Bonds](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/surety-bonds)
- [CNA vs Marsh McLennan Agency Workers’ Compensation Insurance](https://spot.insure/compare/cna-vs-marsh-mclennan-agency/workers-compensation)
- [AIG vs CNA Professional Liability (E&O) Insurance](https://spot.insure/compare/aig-vs-cna/professional-errors-omissions)
- [AIG vs Marsh McLennan Agency Professional Liability (E&O) Insurance](https://spot.insure/compare/aig-vs-marsh-mclennan-agency/professional-errors-omissions)
- [Alliance Risk vs CNA Professional Liability (E&O) Insurance](https://spot.insure/compare/alliance-risk-vs-cna/professional-errors-omissions)
- [Alliance Risk vs Marsh McLennan Agency Professional Liability (E&O) Insurance](https://spot.insure/compare/alliance-risk-vs-marsh-mclennan-agency/professional-errors-omissions)
- [Aon vs CNA Professional Liability (E&O) Insurance](https://spot.insure/compare/aon-vs-cna/professional-errors-omissions)
- [Aon vs Marsh McLennan Agency Professional Liability (E&O) Insurance](https://spot.insure/compare/aon-vs-marsh-mclennan-agency/professional-errors-omissions)

## Sources for CNA vs Marsh McLennan Agency

### Sources About CNA

1. [Insurance for Small Businesses](https://www.cna.com/solutions/small-business). 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](https://www.cna.com/products/cna-connect). CNA; CNA Connect; coverages, product range, services. Accessed 2026-09-28.
3. [General Disclaimer](https://www.cna.com/cnadisclaimer/generaldisclaimer). 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. [Cyber Insurance - Cyber Risk Solutions](https://www.cna.com/products/cyber). CNA; Current U.S. page: Epack 3 combines cyber, media, technology and professional liability; MPL appetite, media support, technology E&O, claims and risk-control descriptions. Retrieved 2026-09-30.. Accessed 2026-09-30.
5. [Epack 3 – Cyber, Media, Technology & Professional Liability](https://www.cna.com/sites/default/files/assets/epack-3-cyber-media-technology-professional-liability-ss.pdf?ContentCache=NONE&MOD=AJPERES). CNA; Official sell sheet: modular bundled policy, media coverages and possible extensions, technology/professional line descriptions and quote process for small risks. Marketing summary expressly defers to issued policy. Retrieved 2026-09-30.. Accessed 2026-09-30.

### Sources About Marsh McLennan Agency

6. [Who We Are](https://www.marshmma.com/us/mma/about-us.html). Marsh McLennan Agency; Lines 193-195: ‘a business of Marsh’ and company-listed service lines across US and Canada. This does not establish the legal entity for an account, corporate ownership chart, or insurer role.. Accessed 2026-09-29.
7. [Small Business Insurance Solutions](https://www.marshmma.com/us/solutions/small-business.html). Marsh McLennan Agency; Lines 205-207: small-business audience and call invitation; lines 224-249 list six coverage categories and short descriptions; line 264 is an embedded form whose function is not stated. No form submitted.. Accessed 2026-09-29.
8. [Executive and Professional Liability | MMA](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html). Marsh McLennan Agency; E&O, architects and engineers, and lawyers professional lines are named in the policy suite.. Accessed 2026-09-30.

### Sources for the Professional Liability (E&O) Insurance Guide

9. [FAQ: Professional liability insurance](https://www.tdi.texas.gov/commercial/pl-faq.html). Texas Department of Insurance; What’s professional liability coverage?; What types of damages…; What’s general liability insurance?; Do I need professional liability… if I have general liability…?; Is professional liability insurance required?; Can a client require…?; What’s the difference between occurrence policies and claims-made policies. Accessed 2026-09-16.
10. [Professional liability insurance](https://www.iii.org/article/professional-liability-insurance). Insurance Information Institute; Opening paragraphs (professional services/advice and E&O name); Claims not covered by general liability; What types of businesses need professional liability insurance?; What’s covered… and what’s not (claims-made versus occurrence, defense and judgments, non-financial/intentional limits, BOP/in-home exclusion). Accessed 2026-09-16.
11. [Get business insurance](https://www.sba.gov/counseling/launch-your-business/#business-insurance). U.S. Small Business Administration; Six common types of business insurance table. Accessed 2026-09-16.
12. [Professional Liability – US Direct Errors and Omissions Insurance](https://www.hiscox.com/documents/pl-sample-policy-wording.pdf). Hiscox Inc. specimen; About this Policy / Coverage for Claims Made Against You; I.A Insuring Agreement; I.B Defense; I.C Settlement; II.A Notice of Claims; II.C Optional Extended Reporting Period; III.A, III.K, III.M, III.R, III.S Exclusions; IV.A–B Limits and Deductible; VI.O Professional Services; VI.U Wrongful Act. Accessed 2026-09-16.

Updated 2026-10-01. 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](https://spot.insure/editorial-policy). To suggest a correction, [contact Spot](https://spot.insure/contact) with the page URL and supporting source.

## CNA Review Scores for 2026

Review Score: 9.0 / 10 from 1 rated source, equally weighted.

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.

- NerdWallet: NerdWallet editorial rating for manufacturers 4.5/5 (Editorial rating). NerdWallet editorial assessment of CNA for U.S. manufacturers, not consumer average. Period: Published 2026-03-26. Checked 2026-09-29. [Best Insurance for Manufacturers in 2026](https://www.nerdwallet.com/business/insurance/learn/manufacturers)
- Trustpilot: Displayed Trustpilot TrustScore 1.4/5 page text; 1.5/5 badge (TrustScore out of 5); 49 reviews. CNA.com profile, mixed business and consumer/LTC reports; self-selected, not representative commercial P&C sample. Period: 14 reviews in prior 12 months; 2026-09-29. Checked 2026-09-29. [CNA customer reviews](https://www.trustpilot.com/review/www.cna.com)
- BBB: BBB customer-review average 1/5 (BBB star rating); 6 reviews. Long Term Care Insurance profile covering headquarters/corporate locations; not commercial P&C; six self-selected reviews. Period: Displayed 2026-09-29. Checked 2026-09-29. [CNA Financial Corporation customer reviews](https://www.bbb.org/us/il/chicago/profile/long-term-care-insurance/cna-financial-corporation-0683-90032439/customer-reviews)

Reviewed 2026-09-29. [Read the sourced review](https://spot.insure/insurance-providers/cna/reviews).

## Marsh McLennan Agency Review Scores for 2026

Review Score: 8.2 / 10 from 2 rated sources, equally weighted.

There are almost no public customer reviews of Marsh McLennan Agency (MMA). Trustpilot shows 3.2 out of 5, but from a single review, and BBB shows an A grade with four complaints closed in three years.

- Trustpilot: TrustScore 3.2 (out of 5); 1 reviews. Trustpilot profile for marshmma.com, MMA's own domain. Unclaimed; MMA has not invited reviews. Period: checked 2026-09-29. Checked 2026-09-29. [marshmma.com Trustpilot profile](https://www.trustpilot.com/review/marshmma.com)
- Trustpilot: TrustScore (Marsh brand) 1.3 (out of 5); 115 reviews. Trustpilot page for marsh.com, the global Marsh brand (mostly individual and non-US customers). This is a different entity from MMA. Period: checked 2026-09-29. Checked 2026-09-29. [Marsh Reviews](https://www.trustpilot.com/review/www.marsh.com)
- BBB: BBB business grade A. BBB San Diego-area profile for Marsh & McLennan Agency LLC (accredited). MMA has separate BBB profiles per office; Dayton and Schaumburg both show A+. Checked 2026-09-29. [Marsh & McLennan Agency LLC (San Diego) BBB](https://www.bbb.org/us/ca/san-diego/profile/insurance-services-office/marsh-mclennan-agency-llc-1126-3000103)
- BBB: Complaints 4. Same San Diego-area profile; zero customer reviews. No client-count denominator. Period: closed in the last three years (checked 2026-09-29). Checked 2026-09-29. [Marsh & McLennan Agency LLC — BBB Complaints](https://www.bbb.org/us/ca/san-diego/profile/insurance-services-office/marsh-mclennan-agency-llc-1126-3000103/complaints); [Marsh & McLennan Agency LLC — BBB Reviews](https://www.bbb.org/us/ca/san-diego/profile/insurance-services-office/marsh-mclennan-agency-llc-1126-3000103/customer-reviews)

Reviewed 2026-09-29. [Read the sourced review](https://spot.insure/insurance-providers/marsh-mclennan-agency/reviews).

## Agent and Developer Resources

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