---
title: "Aon vs Harper: Commercial Property Insurance"
description: "Aon offers property catastrophe modeling and program analysis; Harper’s quote intake lists building, equipment, and inventory and summarizes coverage at replacement cost."
canonical: "https://spot.insure/compare/aon-vs-harper/commercial-property"
page-type: "line-comparison"
updated-at: "2026-09-30"
comparison-pair: "aon-vs-harper"
provider-a: "aon"
provider-b: "harper"
coverage-line: "commercial-property"
---

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[Human-readable page](https://spot.insure/compare/aon-vs-harper/commercial-property)

## Agent Guide

**What this page is:** Focused comparison of Aon and Harper for Commercial Property 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 Commercial Property Insurance questions about Aon 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:**
- Aon vs Harper for Commercial Property Insurance: how do they differ?
- Which is better for Commercial Property Insurance, Aon or Harper?
- What does Aon or Harper publish about Commercial Property Insurance (limits, eligibility, claims, add-ons)?
- What should I confirm in a quote for Commercial Property Insurance from Aon or Harper?

**Key facts:**
- Line: Commercial Property Insurance. Providers: Aon 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 2026-09-30. Editorial policy: /editorial-policy.

**Related pages:**
- [Aon vs Harper](https://spot.insure/compare/aon-vs-harper) — parent: all coverage lines for this pair
- [Commercial Property Insurance guide](https://spot.insure/coverage/commercial-property) — coverage explainer for this line
- [Aon profile](https://spot.insure/insurance-providers/aon) — provider profile (evidence)
- [Harper profile](https://spot.insure/insurance-providers/harper) — provider profile (evidence)
- [Aon vs Harper Cyber Insurance](https://spot.insure/compare/aon-vs-harper/cyber) — sibling comparison (other line, or other pair for this line)
- [Aon vs Harper General Liability Insurance](https://spot.insure/compare/aon-vs-harper/general-liability) — 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)
- [Aon vs Harper Workers’ Compensation Insurance](https://spot.insure/compare/aon-vs-harper/workers-compensation) — sibling comparison (other line, or other pair for this line)
- [AIG vs Aon Commercial Property Insurance](https://spot.insure/compare/aig-vs-aon/commercial-property) — sibling comparison (other line, or other pair for this line)
- [AIG vs Harper Commercial Property Insurance](https://spot.insure/compare/aig-vs-harper/commercial-property) — sibling comparison (other line, or other pair for this line)
- [Alliance Risk vs Aon Commercial Property Insurance](https://spot.insure/compare/alliance-risk-vs-aon/commercial-property) — sibling comparison (other line, or other pair for this line)
- [Alliance Risk vs Harper Commercial Property Insurance](https://spot.insure/compare/alliance-risk-vs-harper/commercial-property) — sibling comparison (other line, or other pair for this line)
- [Aon vs The Baldwin Group Commercial Property Insurance](https://spot.insure/compare/aon-vs-baldwin/commercial-property) — sibling comparison (other line, or other pair for this line)
- [Aon vs Beazley Commercial Property Insurance](https://spot.insure/compare/aon-vs-beazley/commercial-property) — sibling comparison (other line, or other pair for this line)

# Aon vs Harper: How Do They Compare for Commercial Property Insurance?

Aon offers property catastrophe modeling and program analysis; Harper’s quote intake lists building, equipment, and inventory and summarizes coverage at replacement cost.

## Research Scope and Use

Use this comparison to evaluate Aon and Harper for Commercial Property 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.

## Summary

Harper’s intake supports an online property quote request and describes replacement-cost coverage; Aon describes carrier-built programs and property analytics. [3](https://www.aon.com/en/capabilities/risk-management/property-risk-management "Property Risk Management") [6](https://www.harperinsure.com/ "Harper Homepage")

## 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](https://www.aon.com/en/about/leadership-and-governance/brokerage-terms-of-service-for-commercial-risk-solutions-us "Commercial Risk Solutions U.S. Brokerage Terms of Service") [2](https://www.aon.com/en/capabilities/middle-market-clients "Middle Market Clients")

[Aon profile](https://spot.insure/insurance-providers/aon)

## 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. [4](https://www.harperinsure.com/sms-terms "Text Messaging Terms and Conditions") [5](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 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. [8](https://www.insurance.ca.gov/01-consumers/105-type/95-guides/09-comm/commercialguide.cfm "Commercial Insurance Guide") [9](https://content.naic.org/cipr-topics/business-interruptionbusinessowners-policies-bop "Business Interruption Insurance/Businessowner’s Policies (BOP)") [10](https://www.tdi.texas.gov/pubs/consumer/cb021.html "Commercial property insurance guide")

## Key Differences in Commercial Property Insurance

### Valuation Description

Harper summarizes commercial property as covering buildings, equipment, and inventory at replacement cost. Aon describes property insurance for buildings and contents but does not specify a valuation basis in its reviewed record. Ask both for the valuation method, coinsurance terms, and scheduled values; those details determine how a loss is adjusted. [6](https://www.harperinsure.com/ "Harper Homepage") [3](https://www.aon.com/en/capabilities/risk-management/property-risk-management "Property Risk Management")

### Quote and Placement Route

Harper offers an online intake where a buyer selects property and supplies state, revenue, and business details; its form lists all 50 states and Washington, D.C. for quote requests. Aon describes brokers building programs with carriers and does not publish a comparable digital application. A request in either channel is not a guarantee of eligibility or binding. [6](https://www.harperinsure.com/ "Harper Homepage") [3](https://www.aon.com/en/capabilities/risk-management/property-risk-management "Property Risk Management")

### Risk Analysis

Aon describes catastrophe modeling and its U.S.-available Property Risk Analyzer for potential loss and program options. Harper’s reviewed property claims describe replacement cost, its quote intake, and bundled equipment breakdown for manufacturers, not catastrophe modeling. If modeling informs your decision, ask Harper what property analysis is included and Aon what data it needs. [3](https://www.aon.com/en/capabilities/risk-management/property-risk-management "Property Risk Management") [7](https://www.harperinsure.com/industries/manufacturing "Manufacturing Insurance")

## What to Confirm in Commercial Property Insurance Quotes

- For Harper, does the quote use replacement cost for every property class, and can equipment breakdown be included?
- For Aon, which locations and catastrophe scenarios will be modeled, and what carrier terms result?

## Offering Details

| Criteria | Aon Commercial Property brokerage and risk-advisory offering | Harper Commercial Property Insurance |
| --- | --- | --- |
| 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. [3](https://www.aon.com/en/capabilities/risk-management/property-risk-management "Property Risk Management") (Evidence: Company-reported; scope: Aon’s official global product/capability page. The statement is limited to Aon’s marketing of brokerage or advisory services, not policy issuance..) | For commercial property, Harper describes calling the insurance companies that write the coverage and presenting the customer with the resulting options to choose from, rather than issuing a commercial property policy itself. [6](https://www.harperinsure.com/ "Harper Homepage") (Evidence: Company-reported; scope: Homepage 'What we cover' introduction and coverage list, where commercial property is one of the enumerated lines..) |
| 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. [3](https://www.aon.com/en/capabilities/risk-management/property-risk-management "Property Risk Management") (Evidence: Not found in reviewed sources; scope: 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..) | Harper's public pages do not name the insurer or insurers that would underwrite a commercial property policy; the homepage shows an unlabeled panel of insurer logos it says it works with, describing the rest as 'specialists who cover the work the big names turn down.' [6](https://www.harperinsure.com/ "Harper Homepage") (Evidence: Not publicly disclosed; scope: Checked the homepage insurer-logo panel on 2026-09-23; no carrier names accompany the logos in the page text..) |
| 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. [3](https://www.aon.com/en/capabilities/risk-management/property-risk-management "Property Risk Management") (Evidence: Company-reported; scope: 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..) | Harper's quote-intake form lists all 50 states and Washington, D.C. as selectable, indicating it takes commercial property quote requests nationwide, though eligibility for a specific building or business depends on underwriting review not described on the page. [6](https://www.harperinsure.com/ "Harper Homepage") (Evidence: Company-reported; scope: Homepage quote-intake state selector..) |
| 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. [3](https://www.aon.com/en/capabilities/risk-management/property-risk-management "Property Risk Management") (Evidence: Company-reported; scope: 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..) | Harper's homepage summarizes commercial property insurance as covering a business's buildings, equipment and inventory at what it costs to replace them. [6](https://www.harperinsure.com/ "Harper Homepage") (Evidence: Company-reported; scope: Homepage 'What we cover' blurb; the issued policy and declarations would control actual valuation method and terms..)<br><br>On its manufacturing industry page, Harper bundles property coverage with equipment breakdown, describing it as covering the building, the production line and machinery that cannot be down for a week. [7](https://www.harperinsure.com/industries/manufacturing "Manufacturing Insurance") (Evidence: Company-reported; scope: Manufacturing industry page; this is a manufacturer-specific bundle of property and equipment breakdown, not necessarily how Harper packages commercial property for other industries..) |
| 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. [3](https://www.aon.com/en/capabilities/risk-management/property-risk-management "Property Risk Management") (Evidence: Not publicly disclosed; scope: Aon’s global product/capability page reviewed 2026-09-30; no buyer quote or policy form was reviewed..) | The reviewed pages do not publish commercial property limits, deductibles or valuation methods such as replacement cost versus actual cash value; those terms are not shown until a specific quote is issued. [6](https://www.harperinsure.com/ "Harper Homepage") [7](https://www.harperinsure.com/industries/manufacturing "Manufacturing Insurance") (Evidence: Not publicly disclosed; scope: Checked the homepage and manufacturing industry page on 2026-09-23..) |
| 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. [3](https://www.aon.com/en/capabilities/risk-management/property-risk-management "Property Risk Management") (Evidence: Company-reported; scope: Company-reported brokerage and advisory services. Account-specific service terms are not stated..) | Confirm in your quote. |
| How to Apply | Confirm in your quote. | You can start a commercial property quote through Harper's online intake by selecting the 'My building, equipment, and inventory (property)' checkbox alongside the business's state, estimated annual revenue and a description of what it does. [6](https://www.harperinsure.com/ "Harper Homepage") (Evidence: Company-reported; scope: Homepage quote-intake form..) |

## Full Comparison

- [Aon vs Harper](https://spot.insure/compare/aon-vs-harper): all coverage lines, business roles, service and claims.
- [What Is Commercial Property Insurance?](https://spot.insure/coverage/commercial-property): Commercial property insurance can protect buildings, equipment and inventory, while valuation, deductibles, exclusions and income protection affect your cost after a loss.
- [Aon vs Harper Cyber Insurance](https://spot.insure/compare/aon-vs-harper/cyber)
- [Aon vs Harper General Liability Insurance](https://spot.insure/compare/aon-vs-harper/general-liability)
- [Aon vs Harper Professional Liability (E&O) Insurance](https://spot.insure/compare/aon-vs-harper/professional-errors-omissions)
- [Aon vs Harper Workers’ Compensation Insurance](https://spot.insure/compare/aon-vs-harper/workers-compensation)
- [AIG vs Aon Commercial Property Insurance](https://spot.insure/compare/aig-vs-aon/commercial-property)
- [AIG vs Harper Commercial Property Insurance](https://spot.insure/compare/aig-vs-harper/commercial-property)
- [Alliance Risk vs Aon Commercial Property Insurance](https://spot.insure/compare/alliance-risk-vs-aon/commercial-property)
- [Alliance Risk vs Harper Commercial Property Insurance](https://spot.insure/compare/alliance-risk-vs-harper/commercial-property)
- [Aon vs The Baldwin Group Commercial Property Insurance](https://spot.insure/compare/aon-vs-baldwin/commercial-property)
- [Aon vs Beazley Commercial Property Insurance](https://spot.insure/compare/aon-vs-beazley/commercial-property)

## Sources

### Aon

1. [Commercial Risk Solutions U.S. Brokerage Terms of Service](https://www.aon.com/en/about/leadership-and-governance/brokerage-terms-of-service-for-commercial-risk-solutions-us). 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](https://www.aon.com/en/capabilities/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](https://www.aon.com/en/capabilities/risk-management/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.

### Harper

4. [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.
5. [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.
6. [Harper Homepage](https://www.harperinsure.com/). Harper; What we cover: 'Commercial property insurance — Buildings, equipment, and inventory, covered at what it costs to replace them.'; quote-intake checkbox 'My building, equipment, and inventory (property)' with state and annual-revenue fields; Insurers We Work With logo panel with no names listed; Why Harper section on price competition. Accessed 2026-09-23.
7. [Manufacturing Insurance](https://www.harperinsure.com/industries/manufacturing). Harper; Know your coverage: 'Property & equipment breakdown — The building, the line, and the machine that cannot be down a week.'; Who this is for; Why Harper. Accessed 2026-09-23.

### Commercial Property Insurance Guide

8. [Commercial Insurance Guide](https://www.insurance.ca.gov/01-consumers/105-type/95-guides/09-comm/commercialguide.cfm). 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.
9. [Business Interruption Insurance/Businessowner’s Policies (BOP)](https://content.naic.org/cipr-topics/business-interruptionbusinessowners-policies-bop). National Association of Insurance Commissioners; Background; Commercial Property and Business Interruption bullets. Accessed 2026-09-16.
10. [Commercial property insurance guide](https://www.tdi.texas.gov/pubs/consumer/cb021.html). Texas Department of Insurance; Introduction; Coverage options; Shopping for commercial property insurance; Saving money on your insurance. Accessed 2026-09-16.

Updated 2026-09-30. 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.

## Aon Reviews

Review Score: 6.1 / 10 from 3 rated sources, equally weighted.

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.

- J.D. Power: Aon study score 822 (out of 1000). Historical 2017 large-commercial-broker study; U.S. and Canada commercial insurance decision-makers at large organizations. J.D. Power reports 2,506 evaluations across the study, not Aon-specific responses; the Aon respondent count is not stated. Period: 2017 study; ranked 3rd among large commercial brokers; study-wide population 2,506, not Aon review count. Checked 2026-09-29. [Diversity of Offerings Becomes Key Differentiator for Large Commercial Insurers, JD Power Finds](https://www.jdpower.com/business/press-releases/jd-power-2017-large-commercial-insurance-study)
- Trustpilot: TrustScore 1.2 (out of 5); 782 reviews. Global www.aon.com profile merged with other Aon profiles; mixed experiences include pensions, travel, professional indemnity and Australian business quotation service. The two latter complaints are individual unverified allegations, not evidence of U.S. commercial-placement outcomes or insurer fault. Trustpilot says reviews may not be representative because the company has not recently invited reviews. Period: Displayed 2026-09-29; page separately showed 198 reviews in the last 12 months. Checked 2026-09-29. [Aon Reviews](https://www.trustpilot.com/review/www.aon.com)
- BBB: BBB business grade B− (BBB letter grade; stated reason: failure to respond to two filed complaints). BBB of Chicago & Northern Illinois profile for Aon plc; the business grade is BBB’s own measure, not customer stars. Checked 2026-09-29. [Aon plc | BBB Business Profile](https://www.bbb.org/us/il/chicago/profile/insurance-companies/aon-plc-0654-5291)
- BBB: BBB customer review average 1.6 (out of 5); 5 reviews. BBB of Chicago & Northern Illinois customer reviews for Aon plc; some reviews are about employee-benefit and medical-expense issues. Period: checked 2026-09-29. Checked 2026-09-29. [Aon plc | BBB Reviews](https://www.bbb.org/us/il/chicago/profile/insurance-companies/aon-plc-0654-5291/customer-reviews)

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

## Harper Reviews

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).

## Agent and Developer Resources

- [Markdown page](https://spot.insure/compare/aon-vs-harper/commercial-property.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)