Aon vs Three: Commercial Auto Insurance

THREE by Berkshire Hathaway offers business auto only as part of its business owner's policy with an online quote; Aon's auto liability work is brokerage advice for law, accounting and consulting firms.

Embarcadero Risk brings together source-based comparisons for businesses moving people and goods.Research updated 2026-09-30

What Are the Key Differences Between Aon and THREE by Berkshire Hathaway Commercial Auto Insurance?

Standalone Brokerage or Combined Policy

Aon presents Automobile Liability as a line its Professional Services Practice helps arrange. THREE lists Business Auto as a component of its combined Business Owners Policy rather than describing a standalone auto policy. If you are comparing a broader package with a separately arranged line, check which other coverages and terms the THREE quote actually includes. [1] [2]

Audience and Purchase Route

Aon identifies law, accounting, and consulting firms as its professional-services audience. THREE directs small-business prospects to an online quote and says licensed Small Business Advisors can help; its sample policy identifies Berkshire Hathaway Direct Insurance Company as issuer. Confirm that Business Auto appears in your quote and verify the issuer on the issued documents. [1] [3]

What the Published Auto Terms Establish

Aon lists Automobile Liability without detailing autos, limits, or terms; THREE's reviewed page lists Business Auto within the package but does not establish its presence or response in a particular quote. Ask each provider for the auto schedule and policy form so the labels translate into comparable protection. [1] [2]

What Should You Confirm in Aon and THREE by Berkshire Hathaway Commercial Auto Insurance Quotes?

  • Will THREE include Business Auto in your specific package quote, and what autos, limits, and form apply?
  • Which carrier and auto terms will Aon arrange for your professional-services account?

Aon describes a broker-arranged automobile-liability line for professional-services firms; THREE places Business Auto within a combined Business Owners Policy and offers an online quote.

Source material

  1. 01
    Professional Services Practice

    Aon · Named professional-services audiences and global advisory role, lines 125–128; line offerings and explanations lines 131–190; contact link lines 120–122. Global practice page; no U.S. state or account-specific placement schedule. · accessed 2026-09-30

  2. 02
    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

  3. 03
    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

  4. 04
    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

  5. 05
    Commercial Insurance Guide

    California Department of Insurance · Commercial Automobile: Coverage, Classification and Limits · accessed 2026-09-16

  6. 06
    Business Vehicle Insurance

    Insurance Information Institute · Will My Personal Auto Policy Cover Business Use?; What Vehicles Are Covered?; What Coverage Do I Need if Employees Drive Their Personal Vehicles for Business?; Does a Business Umbrella Cover Autos?; Do I Need a Business Auto Policy?; Be Sure the Right Insured Is on the Policy · accessed 2026-09-16

  7. 07
    Business Auto Coverage Form

    Insurance Services Office, Inc.; hosted by National General · I.A, printed/PDF page 1; II.A.1, printed/PDF page 2; III.C–D, printed/PDF page 6; II.B.6, printed/PDF page 3; III.B.3, printed/PDF page 6 · accessed 2026-09-16

  8. 08
    Auto Insurance

    NAIC · Coverages · accessed 2026-09-16

Coverage topics

Aon

  • role: Aon presents Automobile Liability as a line its Professional Services Practice helps arrange or advise on for professional-service firms. Aon is describing a global brokerage and advisory service, not issuing the underlying policy. The producing legal entity and carrier for any particular placement are not named on this page. Aon’s global professional-services practice page. This establishes a marketed brokerage/advisory offering, not policy issuance or account-specific placement.company-reportedSource ↗
  • eligibility: Aon identifies law, accounting and consulting firms as the audience for its global Professional Services Practice. That audience scope does not establish eligibility for every firm or other business. Audience described for Aon’s global professional-services practice. It does not establish U.S. state availability or underwriting eligibility for a placement.company-reportedSource ↗
  • coverage: Aon lists Automobile Liability in its property-and-casualty offerings for professional services firms. The page does not describe covered autos, drivers, liability limits or policy terms. Aon’s marketing description of the brokerage/coverage area. The page is not the insurer’s policy form and does not establish an insured's entitlement to coverage.company-reportedSource ↗
  • services: Aon says its professional-services advisors use industry knowledge, insights, data and tools to support risk-management and human-capital decisions. This is a company-described advisory service, not a claim outcome or policy benefit. Company-reported advisory services on Aon’s global practice page; account-specific service scope is not stated.company-reportedSource ↗
  • insurer: The reviewed practice page does not name the insurer or producing legal entity for a specific placement. Ask for both on the quote and binder. Aon’s global practice page as reviewed 2026-09-30; no state-specific placement schedule or buyer quote was reviewed. This does not establish that Aon cannot arrange a placement.not-foundSource ↗
  • limits: The reviewed page does not state a buyer-specific limit, retention, deductible or other placement terms. Confirm these in the quote, bond or issued policy. Aon’s global practice page as reviewed 2026-09-30; no quote, bond form or issued policy was reviewed.not-disclosedSource ↗

THREE by Berkshire Hathaway

  • role: THREE presents Business Auto as a component of its combined Business Owners Policy rather than identifying it as a separate standalone policy on the reviewed product page. Company-described U.S. package structure. The page does not establish underwriting terms or that every listed category will be included for every applicant.company-reportedSource ↗
  • coverage: THREE's Business Owners Policy page lists Business Auto 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. Official THREE package marketing for Business Auto. The sample policy is state-selectable and does not establish that this item is included in every quote or issued policy.company-reportedSource ↗Source ↗
  • insurer: The linked sample policy's declarations identify Berkshire Hathaway Direct Insurance Company as issuer. 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.company-reportedSource ↗
  • application: THREE directs small-business prospects to an online quote and says licensed Small Business Advisors can help with the process. This is the route for the overall THREE product. It does not show whether Business Auto will be offered for a particular business or whether a customer can bind that line without an issued policy.company-reportedSource ↗
  • limits: The reviewed public product page does not state a separate limit or deductible for Business Auto; THREE says the quote-specific insurance summary lists limits and deductibles. No number is inferred from the sample policy. The quote and issued declarations control the buyer-specific limit and deductible.not-disclosedSource ↗Source ↗
  • eligibility: The reviewed product page does not state separate eligibility rules for Business Auto; the general quote and advisor route is not proof that a particular business qualifies for it. Eligibility and state availability remain unestablished for an individual risk until THREE returns its quote and applicable forms.not-disclosedSource ↗Source ↗

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