Insureon vs 
THREE by Berkshire Hathaway: How Do They Compare for Professional Liability (E&O) Insurance?
insureon: The page describes client claims over alleged mistakes or unsatisfactory professional work; it does not establish policy-specific retroactive dates, exclusions or limits. Scope: Insureon’s public marketing page and quote route documents this description. It does not establish the issuing insurer for an individual quote, exact state or provincial availability, the policy form, complete exclusions, or terms offered to a particular buyer; confirm those in the quote and policy documents. three: THREE's Business Owners Policy page lists Errors & Omissions among its marketed coverage categories in the combined policy. This describes the product page, not whether the category appears in a particular quote or responds to a loss. Scope: Official THREE package marketing for Errors and Omissions. The sample policy is state-selectable and does not establish that this item is included in every quote or issued policy. 3,6,5
What is Insureon?
Insureon describes a small-business insurance agency and broker route with online quote entry and agent support. Its pages market several coverage types, but do not establish which insurer, policy form, state availability, or eligibility applies to a particular buyer. 1,2
Read the Insureon Professional Liability (E&O) Insurance page
THREE small business insurance: coverage, issuer and buying routes
THREE markets a packaged commercial insurance product through a direct quote route and partner agents. Berkshire Hathaway Direct Insurance Company is named as issuer on THREE’s sample policy. 4,5
Read the THREE by Berkshire Hathaway profile
Read the THREE by Berkshire Hathaway Professional Liability (E&O) Insurance page
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. 7,8,9,10
Key Differences in Professional Liability (E&O) Insurance
Published product description
Insureon: The page describes client claims over alleged mistakes or unsatisfactory professional work; it does not establish policy-specific retroactive dates, exclusions or limits. 3 By comparison, THREE by Berkshire Hathaway: THREE's Business Owners Policy page lists Errors & Omissions among its marketed coverage categories in the combined policy. This describes the product page, not whether the category appears in a particular quote or responds to a loss. 6 5
Provider role and placement
Insureon: Insureon markets Professional Liability, also called Errors & Omissions, through its small-business quote channel. 3 By comparison, THREE by Berkshire Hathaway: THREE presents Errors and Omissions as a component of its combined Business Owners Policy rather than identifying it as a separate standalone policy on the reviewed product page. 6
How buyers begin
Insureon: The cited Insureon product page provides an online quote request path; that route does not identify the insurer or guarantee that a quote will be offered or bound. 3 By comparison, THREE by Berkshire Hathaway: THREE directs small-business prospects to an online quote and says licensed Small Business Advisors can help with the process. 4
What to Confirm in Professional Liability (E&O) Insurance Quotes
Insureon and THREE by Berkshire Hathaway Review Scores for 2026
These averages can combine ratings for different products, locations, and customer groups, including approximate BBB grade conversions. Read each review for the sources, scope, and calculation.
Insureon Review Score
Review Score
4 rated sources
Insureon's ratings are split. Trustpilot shows 4.5 out of 5 from 2,401 reviews, while ConsumerAffairs shows 1.0 from 344.[1][2]
Read Insureon reviewsTHREE by Berkshire Hathaway Review Score
Review Score
2 rated sources
The inspected sources report separate measures: NerdWallet’s 4.0/5 editorial rating is excluded from the source-rating average; Trustpilot displayed 2.5/5 from five user posts and BBB displayed 4.8/5 from 265 reviews. Trustpilot and BBB include different purchase, service and agent/intermediary interactions, not a verified common policyholder cohort. BBB separately lists complaints. Any source-rating average weights eligible platforms equally and is not a pooled, representative customer-experience estimate or a claims-quality measure.[4][3][1][2]
Read THREE by Berkshire Hathaway reviewsInsureon vs THREE by Berkshire Hathaway Professional Liability (E&O) Compared
Insureon vs THREE by Berkshire Hathaway: Professional Liability (E&O) Insurance: documented features by provider
| Criteria | Insureon Professional Liability / E&O Insurance | THREE Business Owners Policy |
|---|---|---|
| Role in This Line | Insureon markets Professional Liability, also called Errors & Omissions, through its small-business quote channel. 3Company-reported. Insureon’s public marketing page and quote route documents this description. It does not establish the issuing insurer for an individual quote, exact state or provincial availability, the policy form, complete exclusions, or terms offered to a particular buyer; confirm those in the quote and policy documents. | THREE presents Errors and Omissions as a component of its combined Business Owners Policy rather than identifying it as a separate standalone policy on the reviewed product page. 6Company-reported. Company-described U.S. package structure. The page does not establish underwriting terms or that every listed category will be included for every applicant. |
| Issuing Insurer | Confirm in your quote. | The linked sample policy's declarations identify Berkshire Hathaway Direct Insurance Company as issuer. 5Company-reported. This is the issuer named on the public sample only; the sample does not establish the issuing entity for every state-specific quote or buyer's issued policy. |
| Who It’s For | The page addresses service businesses exposed to client claims; the eligible professions and carrier appetite depend on the application and quote. 3Company-reported. Insureon’s public marketing page and quote route documents this description. It does not establish the issuing insurer for an individual quote, exact state or provincial availability, the policy form, complete exclusions, or terms offered to a particular buyer; confirm those in the quote and policy documents. | The reviewed product page does not state separate eligibility rules for Errors and Omissions; the general quote and advisor route is not proof that a particular business qualifies for it. 6,4Not publicly disclosed. Eligibility and state availability remain unestablished for an individual risk until THREE returns its quote and applicable forms. |
| Coverage Features | The page describes client claims over alleged mistakes or unsatisfactory professional work; it does not establish policy-specific retroactive dates, exclusions or limits. 3Company-reported. Insureon’s public marketing page and quote route documents this description. It does not establish the issuing insurer for an individual quote, exact state or provincial availability, the policy form, complete exclusions, or terms offered to a particular buyer; confirm those in the quote and policy documents. | THREE's Business Owners Policy page lists Errors & Omissions among its marketed coverage categories in the combined policy. This describes the product page, not whether the category appears in a particular quote or responds to a loss. 6,5Company-reported. Official THREE package marketing for Errors and Omissions. The sample policy is state-selectable and does not establish that this item is included in every quote or issued policy. |
| Limits and Retentions | The cited public overview does not establish the limits, deductibles, exclusions or form terms that would apply to a specific buyer. 3Not publicly disclosed. Ask for the quote and specimen or issued policy forms before treating a listed feature as covered. | The reviewed public product page does not state a separate limit or deductible for Errors and Omissions; THREE says the quote-specific insurance summary lists limits and deductibles. 6,5Not publicly disclosed. No number is inferred from the sample policy. The quote and issued declarations control the buyer-specific limit and deductible. |
| How to Apply | The cited Insureon product page provides an online quote request path; that route does not identify the insurer or guarantee that a quote will be offered or bound. 3Company-reported. Insureon’s public marketing page and quote route documents this description. It does not establish the issuing insurer for an individual quote, exact state or provincial availability, the policy form, complete exclusions, or terms offered to a particular buyer; confirm those in the quote and policy documents. | THREE directs small-business prospects to an online quote and says licensed Small Business Advisors can help with the process. 4Company-reported. This is the route for the overall THREE product. It does not show whether Errors and Omissions will be offered for a particular business or whether a customer can bind that line without an issued policy. |
Related Pages for Insureon vs THREE by Berkshire Hathaway
Professional Liability (E&O) Pages for Insureon and THREE by Berkshire Hathaway
Other Coverage Lines Compared for Insureon vs THREE by Berkshire Hathaway
Other Professional Liability (E&O) Insurance Provider Comparisons
Sources for Insureon vs THREE by Berkshire Hathaway
Sources About Insureon
- How Insureon Works. Insureon; Agent/broker and carrier roles (L82-88); application and advertised quote/payment route (L89-97); human support (L98-101). Accessed 2026-09-28.
- General Liability Insurance - Get Online Quotes. Insureon; Coverage/product overview; illustrative third-party claims; quote CTA. Accessed 2026-09-29.
- Professional Liability Insurance - Get Online Quotes. Insureon; Product definition L67-L89; quote CTA and target users on page. Accessed 2026-09-29.
Sources About THREE by Berkshire Hathaway
- Jargon-free small business insurance - THREE by Berkshire Hathaway. Berkshire Hathaway Direct Insurance Company, dba THREE; Lines 23, 39, 70–81 and 406–410: business location quote entry, single-policy description, issuer, business focus, online quote and licensed Small Business Advisor route. Quote entry inspected without submitting a form. Accessed 2026-09-30.
- The Policy: 3 Jargon-free pages - THREE by Berkshire Hathaway. Berkshire Hathaway Direct Insurance Company, dba THREE; State-selectable sample policy: Summary (Declarations) identifies Berkshire Hathaway Direct Insurance Company as issuer and says the insurance summary lists limits and deductibles; sample policy text and state selection do not establish terms for a particular quote or issued policy. Accessed 2026-09-30.
- Business Owners Policy - THREE by Berkshire Hathaway. Berkshire Hathaway Direct Insurance Company, dba THREE; Product page: “No need for multiple policies” and one comprehensive policy; Business Liability, Property and Business Auto categories and the listed line names. Product page footer identifies Berkshire Hathaway Direct Insurance Company, dba THREE. Accessed 2026-09-30.
Sources for the Professional Liability (E&O) Insurance Guide
- FAQ: Professional liability insurance. 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.
- 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.
- Get business insurance. U.S. Small Business Administration; Six common types of business insurance table. Accessed 2026-09-16.
- Professional Liability – US Direct Errors and Omissions Insurance. 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.
