---
title: "CNA vs Harper: Professional Liability (E&O) Insurance"
description: "CNA lists non-licensed MPL target classes and a separate Technology E&O route, while Harper says Professional Liability and Errors and Omissions name the same policy."
canonical: "https://spot.insure/compare/cna-vs-harper/professional-errors-omissions"
page-type: "line-comparison"
updated-at: "2026-10-01"
comparison-pair: "cna-vs-harper"
provider-a: "cna"
provider-b: "harper"
coverage-line: "professional-errors-omissions"
---

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

## Agent Guide

**What this page is:** Focused comparison of CNA and Harper 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 Harper. 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 Harper for Professional Liability (E&O) Insurance: how do they differ?
- Which is better for Professional Liability (E&O) Insurance, CNA or Harper?
- What does CNA or Harper 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 Harper?

**Key facts:**
- Line: Professional Liability (E&O) Insurance. Providers: CNA and Harper.
- 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 Harper](https://spot.insure/compare/cna-vs-harper) — 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)
- [Harper profile](https://spot.insure/insurance-providers/harper) — provider profile (evidence)
- [CNA vs Harper Builders Risk Insurance](https://spot.insure/compare/cna-vs-harper/builders-risk) — sibling comparison (other line, or other pair for this line)
- [CNA vs Harper Commercial Auto Insurance](https://spot.insure/compare/cna-vs-harper/commercial-auto) — sibling comparison (other line, or other pair for this line)
- [CNA vs Harper Commercial Property Insurance](https://spot.insure/compare/cna-vs-harper/commercial-property) — sibling comparison (other line, or other pair for this line)
- [CNA vs Harper Cyber Insurance](https://spot.insure/compare/cna-vs-harper/cyber) — sibling comparison (other line, or other pair for this line)
- [CNA vs Harper General Liability Insurance](https://spot.insure/compare/cna-vs-harper/general-liability) — sibling comparison (other line, or other pair for this line)
- [CNA vs Harper Inland Marine Insurance](https://spot.insure/compare/cna-vs-harper/inland-marine) — sibling comparison (other line, or other pair for this line)
- [CNA vs Harper Medical Malpractice Insurance](https://spot.insure/compare/cna-vs-harper/medical-malpractice) — sibling comparison (other line, or other pair for this line)
- [CNA vs Harper Product Liability Insurance](https://spot.insure/compare/cna-vs-harper/product-liability) — sibling comparison (other line, or other pair for this line)
- [CNA vs Harper Surety Bonds](https://spot.insure/compare/cna-vs-harper/surety-bonds) — sibling comparison (other line, or other pair for this line)
- [CNA vs Harper Umbrella and Excess Liability Insurance](https://spot.insure/compare/cna-vs-harper/umbrella-excess) — sibling comparison (other line, or other pair for this line)
- [CNA vs Harper Workers’ Compensation Insurance](https://spot.insure/compare/cna-vs-harper/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 Harper Professional Liability (E&O) Insurance](https://spot.insure/compare/aig-vs-harper/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 Harper Professional Liability (E&O) Insurance](https://spot.insure/compare/alliance-risk-vs-harper/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 Harper Professional Liability (E&O) Insurance](https://spot.insure/compare/aon-vs-harper/professional-errors-omissions) — sibling comparison (other line, or other pair for this line)

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

CNA lists non-licensed MPL target classes and a separate Technology E&O route, while Harper says Professional Liability and Errors and Omissions name the same policy.

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

Use this comparison to evaluate CNA and Harper 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 Harper Professional Liability (E&O) Insurance Summary

CNA lists non-licensed MPL target classes and separately markets Technology E&O. Harper says its Professional Liability and Errors and Omissions catalog entries refer to the same policy. [4](https://www.cna.com/products/cyber "Cyber Insurance - Cyber Risk Solutions") [9](https://www.harperinsure.com/coverages/errors-and-omissions "Errors and Omissions Insurance") [10](https://www.harperinsure.com/coverages "What We Cover")

## 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 Harper Insurance?

Harper suits hard-to-place businesses such as contractors, care providers, manufacturers and transportation firms; standard small businesses seeking direct quotes should compare online carriers. Its workers’ compensation service helps classify payroll for audits. [6](https://www.harperinsure.com/sms-terms "Text Messaging Terms and Conditions") [7](https://www.harperinsure.com/insurance-insights/harper-45m-funding-announcement "We're Announcing $47M to Build the Insurance Company Every Business Deserves")

[Harper profile](https://spot.insure/insurance-providers/harper)

## 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. [11](https://www.tdi.texas.gov/commercial/pl-faq.html "FAQ: Professional liability insurance") [12](https://www.iii.org/article/professional-liability-insurance "Professional liability insurance") [13](https://www.sba.gov/counseling/launch-your-business/#business-insurance "Get business insurance") [14](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 Harper Professional Liability (E&O) Insurance?

### Stated Professional-Service Audience

CNA’s MPL target list names non-licensed classes such as consultants, staffing firms, advertising agencies, and event planners; the list is not a complete eligibility rule. Harper targets consultants, agencies, technology firms, and licensed professionals whose work involves advice, design, or decisions. The descriptions overlap on consultants and agencies, while Harper also names technology firms and licensed professionals. These are stated audiences, not acceptance guarantees. [4](https://www.cna.com/products/cyber "Cyber Insurance - Cyber Risk Solutions") [8](https://www.harperinsure.com/coverages/professional-liability "Professional Liability Insurance")

### How the Product Names Map to Coverage

CNA describes Miscellaneous Professional Liability for non-licensed classes and separately markets Technology E&O for technology businesses. Harper says “Professional Liability” and “Errors and Omissions” are two catalogue names for the same policy. The distinction is in product categorization: CNA identifies separate professional-liability routes, while Harper says its two labels refer to one offering. [4](https://www.cna.com/products/cyber "Cyber Insurance - Cyber Risk Solutions") [9](https://www.harperinsure.com/coverages/errors-and-omissions "Errors and Omissions Insurance")

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

- Ask CNA whether your services fit its MPL target list or Technology E&O route. [4](https://www.cna.com/products/cyber "Cyber Insurance - Cyber Risk Solutions")
- Ask Harper which catalog label and policy apply to your work. [9](https://www.harperinsure.com/coverages/errors-and-omissions "Errors and Omissions Insurance")

## CNA vs Harper Professional Liability (E&O) Insurance Compared

| Criteria | CNA Professional and Technology Liability | Harper Professional Liability Insurance |
| --- | --- | --- |
| 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..) | Harper places professional liability coverage as a broker, writing the policy around the applicant's actual services rather than underwriting it, and describes a specialist handling the placement. [8](https://www.harperinsure.com/coverages/professional-liability "Professional Liability Insurance") (Evidence: Company-reported; scope: Professional liability page introduction and 'Why Harper' section..)<br><br>Harper markets the identical policy under two catalogue entries, "Professional Liability" and "Errors and Omissions"; the E&O page states it is the same policy, just named what a given industry calls it. [9](https://www.harperinsure.com/coverages/errors-and-omissions "Errors and Omissions Insurance") [10](https://www.harperinsure.com/coverages "What We Cover") (Evidence: Company-reported; scope: Coverage directory listing plus the E&O page's own description; a naming convention Harper states about itself, not a distinction between two products..) |
| Issuing Insurer | Confirm in your quote. | The reviewed pages name pricing drivers (services performed, revenue, contract size) but do not name the issuing insurer or publish specific limit, retention or premium figures for this line. [8](https://www.harperinsure.com/coverages/professional-liability "Professional Liability Insurance") [9](https://www.harperinsure.com/coverages/errors-and-omissions "Errors and Omissions Insurance") (Evidence: Not publicly disclosed; scope: Checked both the professional-liability and errors-and-omissions pages on 2026-09-23; neither names a carrier or a limit figure..) |
| 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..) | Harper targets consultants, agencies, tech firms and licensed professionals whose work product is advice, design or a decision, since general liability doesn't cover a client claiming that work caused a financial loss. [8](https://www.harperinsure.com/coverages/professional-liability "Professional Liability Insurance") (Evidence: Company-reported; scope: Professional liability page introduction and FAQ distinguishing it from general liability..) |
| 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..) | Harper describes coverage for errors and omissions in the work itself, negligence allegations about professional judgment, and legal defense costs, with limits it says are matched to the client contracts that require the policy. [8](https://www.harperinsure.com/coverages/professional-liability "Professional Liability Insurance") [9](https://www.harperinsure.com/coverages/errors-and-omissions "Errors and Omissions Insurance") (Evidence: Company-reported; scope: Professional liability page's four coverage tiles; the E&O page adds that claims often surface a year or more after the work was delivered. The issued policy and its exclusions control actual scope..) |
| 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..) | Harper says it reads a policy's exclusions line by line before a client buys, because two E&O policies with the same limit can respond very differently to the same claim. [8](https://www.harperinsure.com/coverages/professional-liability "Professional Liability Insurance") (Evidence: Company-reported; scope: Professional liability page 'We know this' section; a described review practice, not an independently verified outcome..) |
| How to Apply | Confirm in your quote. | You request a quote online or by phone; if a client contract requires E&O, Harper says it places coverage matching that requirement and issues the certificate the same day. [8](https://www.harperinsure.com/coverages/professional-liability "Professional Liability Insurance") (Evidence: Company-reported; scope: Professional liability page quote form and FAQ 'My client contract requires E&O. What now?'..) |

## Related Pages for CNA vs Harper Professional Liability (E&O) Insurance

- [CNA vs Harper](https://spot.insure/compare/cna-vs-harper): 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 Harper Builders Risk Insurance](https://spot.insure/compare/cna-vs-harper/builders-risk)
- [CNA vs Harper Commercial Auto Insurance](https://spot.insure/compare/cna-vs-harper/commercial-auto)
- [CNA vs Harper Commercial Property Insurance](https://spot.insure/compare/cna-vs-harper/commercial-property)
- [CNA vs Harper Cyber Insurance](https://spot.insure/compare/cna-vs-harper/cyber)
- [CNA vs Harper General Liability Insurance](https://spot.insure/compare/cna-vs-harper/general-liability)
- [CNA vs Harper Inland Marine Insurance](https://spot.insure/compare/cna-vs-harper/inland-marine)
- [CNA vs Harper Medical Malpractice Insurance](https://spot.insure/compare/cna-vs-harper/medical-malpractice)
- [CNA vs Harper Product Liability Insurance](https://spot.insure/compare/cna-vs-harper/product-liability)
- [CNA vs Harper Surety Bonds](https://spot.insure/compare/cna-vs-harper/surety-bonds)
- [CNA vs Harper Umbrella and Excess Liability Insurance](https://spot.insure/compare/cna-vs-harper/umbrella-excess)
- [CNA vs Harper Workers’ Compensation Insurance](https://spot.insure/compare/cna-vs-harper/workers-compensation)
- [AIG vs CNA Professional Liability (E&O) Insurance](https://spot.insure/compare/aig-vs-cna/professional-errors-omissions)
- [AIG vs Harper Professional Liability (E&O) Insurance](https://spot.insure/compare/aig-vs-harper/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 Harper Professional Liability (E&O) Insurance](https://spot.insure/compare/alliance-risk-vs-harper/professional-errors-omissions)
- [Aon vs CNA Professional Liability (E&O) Insurance](https://spot.insure/compare/aon-vs-cna/professional-errors-omissions)
- [Aon vs Harper Professional Liability (E&O) Insurance](https://spot.insure/compare/aon-vs-harper/professional-errors-omissions)

## Sources for CNA vs Harper Professional Liability (E&O) Insurance

### 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 Harper

6. [Text Messaging Terms and Conditions](https://www.harperinsure.com/sms-terms). Harper Global Enterprises Inc.; Effective August 24, 2026; sections 1–3 (entity, consent and service messages), 5 (message costs), 9 (delivery) and 11 (coverage confirmation). Accessed 2026-09-15.
7. [We're Announcing $47M to Build the Insurance Company Every Business Deserves](https://www.harperinsure.com/insurance-insights/harper-45m-funding-announcement). Harper / Dakotah Rice; February 26, 2026 article: brokerage identity; AI-assisted submissions and follow-ups; 24–48-hour coverage statement; more than 165 underwriters; plans for additional direct appointments. Accessed 2026-09-15.
8. [Professional Liability Insurance](https://www.harperinsure.com/coverages/professional-liability). Harper; Know your coverage: What is Professional Liability insurance?; Errors & omissions, Negligence allegations, Legal defense, Contract-driven limits; Why Harper; FAQs on general liability vs. E&O, client E&O requirements, and pricing drivers. Accessed 2026-09-23.
9. [Errors and Omissions Insurance](https://www.harperinsure.com/coverages/errors-and-omissions). Harper; Page states the product is 'Same policy as professional liability, just what your industry calls it'; describes financial-loss claims from professional services and late-arriving claims. Accessed 2026-09-23.
10. [What We Cover](https://www.harperinsure.com/coverages). Harper; Coverage directory list including Errors and Omissions and Professional Liability as separate catalogue entries. Accessed 2026-09-23.

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

11. [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.
12. [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.
13. [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.
14. [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).

## Harper Review Scores for 2026

Review Score: not enough ratings.

We found no customer star rating for Harper. Its Trustpilot page has 0 reviews, and BBB shows 0 customer reviews and 2 complaints.



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

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