---
title: "biBerk vs CNA: Professional Liability (E&O) Insurance"
description: "CNA offers modular professional coverage combined with technology, cyber, or media sections; biBerk describes E&O for client financial-harm allegations."
canonical: "https://spot.insure/compare/biberk-vs-cna/professional-errors-omissions"
page-type: "line-comparison"
updated-at: "2026-10-01"
comparison-pair: "biberk-vs-cna"
provider-a: "biberk"
provider-b: "cna"
coverage-line: "professional-errors-omissions"
---

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

## Agent Guide

**What this page is:** Focused comparison of biBerk and CNA 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 biBerk versus CNA. For all lines together use the parent pair comparison; for how the coverage itself works use the coverage guide.

**Questions this page answers:**
- biBerk vs CNA for Professional Liability (E&O) Insurance: how do they differ?
- Which is better for Professional Liability (E&O) Insurance, biBerk or CNA?
- What does biBerk or CNA 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 biBerk or CNA?

**Key facts:**
- Line: Professional Liability (E&O) Insurance. Providers: biBerk and CNA.
- 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:**
- [biBerk vs CNA](https://spot.insure/compare/biberk-vs-cna) — 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
- [biBerk profile](https://spot.insure/insurance-providers/biberk) — provider profile (evidence)
- [CNA profile](https://spot.insure/insurance-providers/cna) — provider profile (evidence)
- [biBerk vs CNA Business Owner’s Policy](https://spot.insure/compare/biberk-vs-cna/business-owners-policy) — sibling comparison (other line, or other pair for this line)
- [biBerk vs CNA Commercial Auto Insurance](https://spot.insure/compare/biberk-vs-cna/commercial-auto) — sibling comparison (other line, or other pair for this line)
- [biBerk vs CNA Cyber Insurance](https://spot.insure/compare/biberk-vs-cna/cyber) — sibling comparison (other line, or other pair for this line)
- [biBerk vs CNA General Liability Insurance](https://spot.insure/compare/biberk-vs-cna/general-liability) — sibling comparison (other line, or other pair for this line)
- [biBerk vs CNA Umbrella and Excess Liability Insurance](https://spot.insure/compare/biberk-vs-cna/umbrella-excess) — sibling comparison (other line, or other pair for this line)
- [biBerk vs CNA Workers’ Compensation Insurance](https://spot.insure/compare/biberk-vs-cna/workers-compensation) — sibling comparison (other line, or other pair for this line)
- [AIG vs biBerk Professional Liability (E&O) Insurance](https://spot.insure/compare/aig-vs-biberk/professional-errors-omissions) — 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)
- [Alliance Risk vs biBerk Professional Liability (E&O) Insurance](https://spot.insure/compare/alliance-risk-vs-biberk/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)
- [Aon vs biBerk Professional Liability (E&O) Insurance](https://spot.insure/compare/aon-vs-biberk/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)

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

CNA offers modular professional coverage combined with technology, cyber, or media sections; biBerk describes E&O for client financial-harm allegations.

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

Use this comparison to evaluate biBerk and CNA 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.

## biBerk vs CNA Professional Liability (E&O) Insurance Summary

CNA’s Epack 3 and EPS Plus combine professional liability with related coverages in modular policies; biBerk describes E&O claims and defense in its small-business offer. [3](https://www.biberk.com/small-business-insurance/professional-liability-insurance "Professional Liability Insurance | Talk To biBerk") [7](https://www.cna.com/products/cyber "Cyber Insurance - Cyber Risk Solutions") [8](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 Is biBerk Insurance?

biBerk focuses on small businesses and describes a direct online path to answer business questions, choose coverage and pay, with an insurance expert available to help. Before you plan around online checkout, confirm that your state and the insurance you need are supported; biBerk says availability depends on both. [1](https://www.biberk.com/ "Small Business Insurance From biBerk | Get A Quote Online") [2](https://www.biberk.com/about-biberk "About biBerk | Making Small Business Insurance Simple")

[biBerk profile](https://spot.insure/insurance-providers/biberk)

## 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](https://www.cna.com/solutions/small-business "Insurance for Small Businesses") [5](https://www.cna.com/products/cna-connect "CNA Connect Small Businessowners Policy (BOP) | CNA Insurance") [6](https://www.cna.com/cnadisclaimer/generaldisclaimer "General Disclaimer")

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

## 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 biBerk and CNA Professional Liability (E&O) Insurance?

### Combining related exposures

CNA describes Epack 3 as combining technology and professional liability with cyber and media, while EPS Plus combines E&O and cyber for professional-services firms. biBerk’s record focuses on allegations that professional errors cause client financial harm and possible defense. If technology or media claims are relevant, compare which sections the CNA quote includes and how limits interact. [3](https://www.biberk.com/small-business-insurance/professional-liability-insurance "Professional Liability Insurance | Talk To biBerk") [7](https://www.cna.com/products/cyber "Cyber Insurance - Cyber Risk Solutions")

### Services and support

CNA describes dedicated claims and risk-control support for its technology, media, cyber, and professional-liability business. biBerk describes online claim submission with phone support. Confirm the actual claim contact and included risk resources for the quoted policy. [3](https://www.biberk.com/small-business-insurance/professional-liability-insurance "Professional Liability Insurance | Talk To biBerk") [7](https://www.cna.com/products/cyber "Cyber Insurance - Cyber Risk Solutions")

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

- Ask CNA which policy form and modular sections apply, including whether cyber/media share limits. [7](https://www.cna.com/products/cyber "Cyber Insurance - Cyber Risk Solutions")
- Ask biBerk how claims are reported and whether phone support is available for your quote. [3](https://www.biberk.com/small-business-insurance/professional-liability-insurance "Professional Liability Insurance | Talk To biBerk")

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

| Criteria | biBerk Professional Liability / E&O | CNA Professional and Technology Liability |
| --- | --- | --- |
| Role in This Line | Confirm in your quote. | 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. [7](https://www.cna.com/products/cyber "Cyber Insurance - Cyber Risk Solutions") [8](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..) |
| Who It’s For | biBerk identifies consultants, accountants, real-estate agents and insurance agents as professions that may need E&O. [3](https://www.biberk.com/small-business-insurance/professional-liability-insurance "Professional Liability Insurance | Talk To biBerk") (Evidence: Company-reported; scope: Entity: biBerk brand; underlying issuing company is policy/state-dependent unless stated. Product: small-business professional services. Jurisdiction: United States; availability varies by state unless stated. Limitation: Company-reported; exact issued policy wording and underwriting determine coverage..)<br><br>biBerk says it provides Professional Liability in all 50 states. [3](https://www.biberk.com/small-business-insurance/professional-liability-insurance "Professional Liability Insurance | Talk To biBerk") (Evidence: Company-reported; scope: Entity: biBerk brand; underlying issuing company is policy/state-dependent unless stated. Product: professional E&O. Jurisdiction: United States; availability varies by state unless stated. Limitation: Company-reported; exact issued policy wording and underwriting determine coverage..) | CNA says its Miscellaneous Professional Liability targets non-licensed professional classes such as consultants, staffing firms, advertising agencies and event planners. [7](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..) |
| Coverage Features | biBerk says professional liability can respond when a client alleges an error, omission or negligent professional act caused financial harm. [3](https://www.biberk.com/small-business-insurance/professional-liability-insurance "Professional Liability Insurance | Talk To biBerk") (Evidence: Company-reported; scope: Entity: biBerk brand; underlying issuing company is policy/state-dependent unless stated. Product: small-business professional E&O. Jurisdiction: United States; availability varies by state unless stated. Limitation: Company-reported; exact issued policy wording and underwriting determine coverage..)<br><br>biBerk says litigation defense may be covered even if the accusation proves groundless, depending on policy terms. [3](https://www.biberk.com/small-business-insurance/professional-liability-insurance "Professional Liability Insurance | Talk To biBerk") (Evidence: Company-reported; scope: Entity: biBerk brand; underlying issuing company is policy/state-dependent unless stated. Product: professional E&O defense. Jurisdiction: United States; availability varies by state unless stated. Limitation: Company-reported; exact issued policy wording and underwriting determine coverage..) | CNA markets Technology E&O for technology businesses facing professional-liability exposures and says it is intended to support contractual requirements. [7](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..) |
| Risk Services | Confirm in your quote. | CNA describes dedicated claims and risk-control support for its cyber, media, technology and professional-liability business. [7](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..) |
| How to Apply | The page describes online quote/purchase and online claim submission with phone support. [3](https://www.biberk.com/small-business-insurance/professional-liability-insurance "Professional Liability Insurance | Talk To biBerk") (Evidence: Company-reported; scope: Entity: biBerk brand; underlying issuing company is policy/state-dependent unless stated. Product: professional E&O. Jurisdiction: United States; availability varies by state unless stated. Limitation: Company-reported; exact issued policy wording and underwriting determine coverage..) | Confirm in your quote. |

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

- [biBerk vs CNA](https://spot.insure/compare/biberk-vs-cna): 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.
- [biBerk vs CNA Business Owner’s Policy](https://spot.insure/compare/biberk-vs-cna/business-owners-policy)
- [biBerk vs CNA Commercial Auto Insurance](https://spot.insure/compare/biberk-vs-cna/commercial-auto)
- [biBerk vs CNA Cyber Insurance](https://spot.insure/compare/biberk-vs-cna/cyber)
- [biBerk vs CNA General Liability Insurance](https://spot.insure/compare/biberk-vs-cna/general-liability)
- [biBerk vs CNA Umbrella and Excess Liability Insurance](https://spot.insure/compare/biberk-vs-cna/umbrella-excess)
- [biBerk vs CNA Workers’ Compensation Insurance](https://spot.insure/compare/biberk-vs-cna/workers-compensation)
- [AIG vs biBerk Professional Liability (E&O) Insurance](https://spot.insure/compare/aig-vs-biberk/professional-errors-omissions)
- [AIG vs CNA Professional Liability (E&O) Insurance](https://spot.insure/compare/aig-vs-cna/professional-errors-omissions)
- [Alliance Risk vs biBerk Professional Liability (E&O) Insurance](https://spot.insure/compare/alliance-risk-vs-biberk/professional-errors-omissions)
- [Alliance Risk vs CNA Professional Liability (E&O) Insurance](https://spot.insure/compare/alliance-risk-vs-cna/professional-errors-omissions)
- [Aon vs biBerk Professional Liability (E&O) Insurance](https://spot.insure/compare/aon-vs-biberk/professional-errors-omissions)
- [Aon vs CNA Professional Liability (E&O) Insurance](https://spot.insure/compare/aon-vs-cna/professional-errors-omissions)

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

### Sources About biBerk

1. [Small Business Insurance From biBerk | Get A Quote Online](https://www.biberk.com/). biBerk; Online purchase steps, lines 183–197; small-business audience and industries, lines 231–238; state/type availability, lines 290–295. Accessed 2026-09-28.
2. [About biBerk | Making Small Business Insurance Simple](https://www.biberk.com/about-biberk). biBerk; Making small business insurance simple and direct sales without an insurance broker, lines 72–89; online assistance, lines 76–78. Accessed 2026-09-28.
3. [Professional Liability Insurance | Talk To biBerk](https://www.biberk.com/small-business-insurance/professional-liability-insurance). biBerk; What Professional Liability covers. Accessed 2026-09-28.

### Sources About CNA

4. [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.
5. [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.
6. [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.
7. [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.
8. [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 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.

## biBerk Review Scores for 2026

Review Score: 9.0 / 10 from 3 rated sources, equally weighted.

Customers rate biBerk well: Trustpilot shows 4.5 out of 5 from 2,620 reviews, and NerdWallet gives it 4.0. The complaints are about slow service after you buy, billing and audits, and slow refunds.

- NerdWallet: NerdWallet editorial rating 4.0 (out of 5). NerdWallet's own editorial review of biBerk as a US small-business insurer. Not a customer average. Period: updated Feb 13, 2026. Checked 2026-09-29. [biBerk Insurance Review 2026](https://www.nerdwallet.com/business/insurance/learn/biberk-insurance)
- Trustpilot: TrustScore 4.5 (out of 5); 2620 reviews. Trustpilot's biBerk profile. All lines and states; not tied to a specific policy. Period: profile accessed 2026-09-29; 714 in last 12 months. Checked 2026-09-29. [biBerk Business Insurance Reviews](https://www.trustpilot.com/review/biberk.com)
- BBB: BBB business grade A+ (BBB letter grade). BBB Omaha, NE profile for biBerk, a Berkshire Hathaway Company. Grade, reviews and complaints are separate measures. Period: profile accessed 2026-09-29. Checked 2026-09-29. [biBerk, a Berkshire Hathaway Company - BBB profile](https://www.bbb.org/us/ne/omaha/profile/insurance-agency/biberk-a-berkshire-hathaway-company-0714-300108690); [biBerk BBB customer reviews](https://www.bbb.org/us/ne/omaha/profile/insurance-agency/biberk-a-berkshire-hathaway-company-0714-300108690/customer-reviews); [biBerk BBB complaints](https://www.bbb.org/us/ne/omaha/profile/insurance-agency/biberk-a-berkshire-hathaway-company-0714-300108690/complaints)

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

## 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).

## Agent and Developer Resources

- [Markdown page](https://spot.insure/compare/biberk-vs-cna/professional-errors-omissions.md)
- [Developer resources](https://spot.insure/developers)
- [Public MCP server](https://spot.insure/mcp)
- [MCP server manifest](https://spot.insure/server.json)
- [OpenAPI description](https://spot.insure/openapi.json)
- [Public page index](https://spot.insure/llms.txt)