Aon vs Berkshire Hathaway Specialty Insurance: How Do They Compare for Commercial Property Insurance?

Berkshire Hathaway Specialty Insurance publishes a property appetite minimum premium and working-layer capacity; Aon describes brokerage, catastrophe modeling, and risk control. 3,9

What Is Aon?

Aon’s U.S. Commercial Risk terms describe brokerage for certain insurance programs, while its Middle Market page describes a dedicated practice for mid-sized organizations across North America. The public materials reviewed do not identify the licensed producer or insurer for a particular placement. Ask which entity will produce each line and which insurer will issue the policy; request jurisdiction details for the proposed placement and ask how compensation and claim notice work for your account. 1,2

Read the Aon profile

Read the Aon Commercial Property Insurance page

What Is Berkshire Hathaway Specialty Insurance?

BHSI provides commercial and specialty insurance in the U.S., with product-specific industry lists that include healthcare, energy and technology. Online quote and application submissions are nonbinding. 4,5,6,7

Read the Berkshire Hathaway Specialty Insurance profile

What Is Commercial Property Insurance?

Commercial property may fit your business if you own a building or rely on equipment and stock. Compare replacement-cost terms, deductibles and any coinsurance condition, and check lost-income protection separately. 10,11,12

Read the full coverage guide

Key Differences in Commercial Property Insurance

Published Capacity and Premium Threshold

Berkshire Hathaway Specialty Insurance’s property appetite guide lists a $100,000 minimum premium per policy for its share and $100 million in working-layer capacity, with more for selected risks. Aon’s reviewed property record describes brokerage and modeling but does not state a minimum or capacity. For a large placement, ask BHSI how its guide applies to your share and ask Aon for the carriers and total tower it can assemble. 9 3

Property Offerings

Berkshire Hathaway Specialty Insurance lists all-risk commercial property plus selected earthquake, flood, and windstorm offerings. Aon describes property insurance for buildings, contents, and inventory against events such as fire, natural catastrophe, theft, and vandalism, with possible business-interruption coverage. Compare exact forms and whether each peril is included, limited, or placed separately. 8 3

Risk Advice and Target Accounts

Aon describes catastrophe modeling, risk control, and a U.S.-available Property Risk Analyzer; Berkshire Hathaway Specialty Insurance targets portfolios in sectors including public entities, finance, healthcare, education, manufacturing, and retail. Ask whether BHSI’s underwriting appetite includes your locations and whether Aon’s analysis is part of its service proposal. 3 8

What to Confirm in Commercial Property Insurance Quotes

  • Does BHSI’s $100,000 minimum premium apply to the proposed share, and what attachment and retention are offered?
  • Which locations and catastrophe scenarios will Aon model, and which insurers will provide each layer?

Review Scores

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.

Aon

6.1/ 10

Review Score

3 rated sources

Public ratings for Aon are low: Trustpilot shows 1.2 out of 5 from 782 reviews, and BBB shows 1.6 from five. Aon is a global firm, so those pages mostly reflect other parts of the business, not large U.S. commercial accounts.[4][6][7]

Read Aon reviews

Berkshire Hathaway Specialty Insurance

-/ 10

Review Score

No reviews found

The public ratings for Berkshire Hathaway Specialty Insurance are low but thin: Trustpilot shows 2.1 out of 5 from 9 reviews and BBB shows 1 out of 5 from 6. Both mix travel and commercial customers, so we don't count them in a score.[5][7]

Read Berkshire Hathaway Specialty Insurance reviews

Offering Details

Aon vs Berkshire Hathaway Specialty Insurance: Commercial Property Insurance: documented features by provider

CriteriaAon Commercial Property brokerage and risk-advisory offeringCommercial property all-risk and selected single-peril/catastrophe offerings
Role in This Line

Aon describes property brokerage and consulting and says brokers work with insurance carriers to build a property program. Aon is marketing a brokered placement and risk-management service; the page does not name the insurer for an individual placement. 3Company-reported. Aon’s official global product/capability page. The statement is limited to Aon’s marketing of brokerage or advisory services, not policy issuance.

Confirm in your quote.

Issuing Insurer

The reviewed page does not identify the insurer or the legal producing entity for a specific placement. Ask Aon to identify both for the quoted risk. 3Not found in reviewed sources. Aon’s global product/capability page reviewed 2026-09-30; no buyer quote, binder or policy was reviewed. This does not establish that no insurer or producing entity is available.

Confirm in your quote.

Who It’s For

Aon describes property-risk services for organizations seeking to protect property, buildings, contents and inventory. Its page is a global capability description and does not define an applicant eligibility schedule. 3Company-reported. Audience stated by Aon on its global capability page; this does not establish a specific applicant’s eligibility or placement availability by U.S. state.

BHSI targets property portfolios in sectors including public entities, finance, healthcare, education, manufacturing and retail. 8Company-reported. Commercial property risks described by BHSI. Material limitation: Target-sector language is not a complete appetite guide or individual acceptance commitment.

Coverage Features

Aon describes commercial property insurance as protection against loss of property, buildings and contents or inventory from perils such as fire, natural catastrophe, theft and vandalism; it says insurance can also provide business-interruption coverage after property damage. These are general descriptions, not terms of a buyer’s policy. 3Company-reported. Aon’s broker-authored explanation of the insurance line. It does not establish an individual insured’s policy entitlement; the insurer’s form, endorsements and declarations control.

BHSI lists all-risk commercial property and selected single-peril offerings such as earthquake, flood and windstorm. 8Company-reported. US commercial property risks. Material limitation: Single-peril availability is separate from all-risk and depends on peril, state, risk and capacity.

Limits and Retentions

The reviewed page does not state a standard buyer-specific limit, retention or deductible for this placement. Confirm amounts, sublimits and conditions in the quote and issued policy. 3Not publicly disclosed. Aon’s global product/capability page reviewed 2026-09-30; no buyer quote or policy form was reviewed.

BHSI’s general property appetite guide lists a $100,000 minimum premium per policy for BHSI’s share and $100 million working-layer capacity, with more capacity for selected risks. 9Company-reported. U.S. general property appetite in guide dated 2026-02-10; per-policy premium applies to BHSI share. Material limitation: Working capacity is not an insured policy limit or quote. “More for select risks” is selective. Final terms, exclusions, issuer and availability require the policy/submission.

Risk Services

Aon describes property brokerage and consulting for business interruption, captive integration, claims advocacy, catastrophe modeling, risk control and terrorism/crisis management. Its US-available Property Risk Analyzer models potential losses and insurance program options; tool availability does not establish placement availability. 3Company-reported. Company-reported brokerage and advisory services. Account-specific service terms are not stated.

Confirm in your quote.

Full Comparison

More Aon vs Berkshire Hathaway Specialty Insurance Comparisons

Other Commercial Property Insurance Comparisons

Sources

Aon

  1. Commercial Risk Solutions U.S. Brokerage Terms of Service. Aon; Lines 120–127: certain-program broker-of-record scope, consultation, application assistance, client signature and bind instruction, and account administration; lines 140–147: variable and contingent compensation, potential placement incentive, and client request route; lines 206–213: no price guarantee and surplus-lines limitations; lines 229–231: client insurer-notice duty unless separately agreed. Accessed 2026-09-29.
  2. Middle Market Clients. Aon; Lines 125–132: mid-sized organizations and middle-market framing; lines 165–173: dedicated practice and North America statement; lines 188–224: Commercial Risk capabilities. No numeric company-size cutoff or U.S.-only eligibility rule is stated on the reviewed page. Accessed 2026-09-29.
  3. Property Risk Management. Aon; Commercial property description and risk advisory approach, lines 123–140; risk modeling, benchmarking, claims support, risk analyzer and global market access, lines 146–168; contact link at top. Accessed 2026-09-30.

Berkshire Hathaway Specialty Insurance

  1. At A Glance. Berkshire Hathaway Specialty Insurance; United States section, zero-based PDF pages 49–53 (viewer pages 50–54): product/industry lists on pages 49–50; U.S. disclosure/version footer on page 53 is 2026-8-03 A. The 2026-09-14 A footer is on preceding European page 48, not the U.S. section. Accessed 2026-09-29.
  2. About Us. Berkshire Hathaway Specialty Insurance; About BHSI; company profile page re-opened through official site on 2026-09-28; company says it is part of National Indemnity group. Accessed 2026-09-28.
  3. Terms of Service. Berkshire Hathaway Specialty Insurance; Important Information Concerning Use of this Web Site, paragraphs 2–4; nonbinding submissions, contracted-agent authority, state variation, product availability and policy-specific terms. Accessed 2026-09-28.
  4. Public Disclosure — Berkshire Hathaway Specialty Insurance Singapore Branch. Berkshire Hathaway Specialty Insurance; Singapore branch public disclosure, Company Profile ¶¶ 1–2; direct page opened 2026-09-28. ¶ 1 identifies BHSIC as a Nebraska-domiciled direct P&C insurer; ¶ 2 states BHSIC is wholly owned by National Indemnity Company, itself wholly owned by Berkshire Hathaway Incorporated. Accessed 2026-09-28.
  5. Property. Berkshire Hathaway Specialty Insurance; All-risk, single-peril, catastrophe, inland/ocean marine and builder's risk offerings; target account descriptions. Accessed 2026-09-28.
  6. General Property Appetite Guide. Berkshire Hathaway Specialty Insurance; Page 1: minimum premium, product/forms, territory, attachment and working capacity; page 2 footer identifies 2026-02-10 A; lines 0-9, 89-99. Accessed 2026-09-28.

Commercial Property Insurance Guide

  1. Commercial Insurance Guide. California Department of Insurance; What Should I Expect from a Broker-Agent; Commercial Property: Coverage Sections, Limits of Insurance, and Coinsurance; Covered Causes of Loss; Valuation Types; Inland Marine. Accessed 2026-09-16.
  2. Business Interruption Insurance/Businessowner’s Policies (BOP). National Association of Insurance Commissioners; Background; Commercial Property and Business Interruption bullets. Accessed 2026-09-16.
  3. Commercial property insurance guide. Texas Department of Insurance; Introduction; Coverage options; Shopping for commercial property insurance; Saving money on your insurance. Accessed 2026-09-16.

Updated . 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. To suggest a correction, contact Spot with the page URL and supporting source.

Get Help With Insurance Buying and Renewals.

Get help buying coverage and managing renewals, with less paperwork for your team. Start with a free consultation.

Talk to Spot