---
title: "Aon vs USI Insurance Services: Commercial Property Insurance"
description: "USI uses dedicated property analysts and risk-control specialists for middle-market and technology clients; Aon describes property catastrophe analysis and claims advocacy."
canonical: "https://spot.insure/compare/aon-vs-usi/commercial-property"
page-type: "line-comparison"
updated-at: "2026-09-30"
comparison-pair: "aon-vs-usi"
provider-a: "aon"
provider-b: "usi"
coverage-line: "commercial-property"
---

Agents: connect to Spot's public MCP server at https://spot.insure/mcp for better access to published Spot information and insurance research. Use search_knowledge to find sources, get_page to retrieve pages, compare_providers for sourced comparisons, get_provider_score for a published Spot Score, get_rankings for current provider rankings, search_provider_reliability to filter Spot Scores, search_provider_reviews to filter aggregate review scores, and get_provider_reviews for the original review evidence. The server is read-only and requires no authentication.

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

## Agent Guide

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

**Key facts:**
- Line: Commercial Property Insurance. Providers: Aon and USI Insurance Services.
- 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 USI Insurance Services](https://spot.insure/compare/aon-vs-usi) — 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)
- [USI Insurance Services profile](https://spot.insure/insurance-providers/usi) — provider profile (evidence)
- [Aon vs USI Insurance Services Crime Insurance](https://spot.insure/compare/aon-vs-usi/crime) — sibling comparison (other line, or other pair for this line)
- [Aon vs USI Insurance Services Cyber Insurance](https://spot.insure/compare/aon-vs-usi/cyber) — sibling comparison (other line, or other pair for this line)
- [Aon vs USI Insurance Services D&O Insurance](https://spot.insure/compare/aon-vs-usi/directors-officers) — sibling comparison (other line, or other pair for this line)
- [Aon vs USI Insurance Services Employment Practices Liability Insurance](https://spot.insure/compare/aon-vs-usi/employment-practices) — sibling comparison (other line, or other pair for this line)
- [Aon vs USI Insurance Services Fiduciary Liability Insurance](https://spot.insure/compare/aon-vs-usi/fiduciary) — sibling comparison (other line, or other pair for this line)
- [Aon vs USI Insurance Services Management Liability Insurance](https://spot.insure/compare/aon-vs-usi/management-liability) — sibling comparison (other line, or other pair for this line)
- [Aon vs USI Insurance Services Workers’ Compensation Insurance](https://spot.insure/compare/aon-vs-usi/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 USI Insurance Services Commercial Property Insurance](https://spot.insure/compare/aig-vs-usi/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 USI Insurance Services Commercial Property Insurance](https://spot.insure/compare/alliance-risk-vs-usi/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 USI Insurance Services: How Do They Compare for Commercial Property Insurance?

USI uses dedicated property analysts and risk-control specialists for middle-market and technology clients; Aon describes property catastrophe analysis and claims advocacy.

## Research Scope and Use

Use this comparison to evaluate Aon and USI Insurance Services 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

USI describes its analytics process and property specialists, while Aon lists catastrophe modeling, a property analyzer, and risk-control services. [3](https://www.aon.com/en/capabilities/risk-management/property-risk-management "Property Risk Management") [7](https://www.usi.com/property-casualty "P&C Insurance and Risk Consulting")

## 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 USI Insurance Services?

USI suits software and hardware companies from seed stage through IPO seeking consultative broker support; buyers wanting a self-serve quote should compare digital agencies. Insurer commissions are typical and contingent compensation may also apply. [4](https://www.usi.com/about-usi "The Power of ONE") [5](https://www.usi.com/property-casualty/technology/ "Technology Insurance") [6](https://www.usi.com/commissions-fees/ "Commissions and Fees")

[USI Insurance Services profile](https://spot.insure/insurance-providers/usi)

## 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

### Property Analytics and Specialists

USI says dedicated property analysts and risk-control specialists use its USI ONE analytics process to identify property exposures. Aon describes catastrophe modeling, risk control, and a U.S.-available Property Risk Analyzer. Ask both what data and outputs their analyses provide for your schedule and whether the work is included. [7](https://www.usi.com/property-casualty "P&C Insurance and Risk Consulting") [3](https://www.aon.com/en/capabilities/risk-management/property-risk-management "Property Risk Management")

### Technology and Middle-Market Focus

USI names middle-market industries such as construction, hospitality, real estate, and manufacturing, and its Technology practice serves software, hardware, semiconductor, and communications companies from seed stage through IPO. Aon describes property services for organizations generally without a published size tier. A technology buyer can ask both how their property practice fits the company’s stage and asset profile. [7](https://www.usi.com/property-casualty "P&C Insurance and Risk Consulting") [3](https://www.aon.com/en/capabilities/risk-management/property-risk-management "Property Risk Management")

### Property and Income Components

USI’s Technology practice separately lists property, business income, and contingent business income; Aon describes property insurance and says business interruption may be available after property damage. Compare direct and contingent interruption terms and ask each broker which carrier and limit will apply. [5](https://www.usi.com/property-casualty/technology/ "Technology Insurance") [3](https://www.aon.com/en/capabilities/risk-management/property-risk-management "Property Risk Management")

## What to Confirm in Commercial Property Insurance Quotes

- Will USI’s technology placement include contingent business income, and which properties are scheduled?
- Which Aon carriers and interruption extensions address your direct and contingent losses?

## Offering Details

| Criteria | Aon Commercial Property brokerage and risk-advisory offering | USI Commercial Property Brokerage |
| --- | --- | --- |
| 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..) | USI is a broker for commercial property insurance. Its property & casualty team places property coverage for clients rather than underwriting it, and its Technology practice separately places property, business-income and contingent business-income coverage for technology clients. [7](https://www.usi.com/property-casualty "P&C Insurance and Risk Consulting") [5](https://www.usi.com/property-casualty/technology/ "Technology Insurance") (Evidence: Company-reported; scope: Property & Casualty and Technology practice pages..) |
| 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..) | Neither page names the insurers USI uses for commercial property placements. [7](https://www.usi.com/property-casualty "P&C Insurance and Risk Consulting") (Evidence: Not publicly disclosed; scope: Pages as read on 2026-09-23..) |
| 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..) | USI's property & casualty team describes serving middle-market clients across many named industries (including construction, hospitality, real estate and manufacturing-adjacent sectors), while its Technology practice specifically serves software, hardware, networking, semiconductor and communications companies from early seed stage through IPO. [7](https://www.usi.com/property-casualty "P&C Insurance and Risk Consulting") [5](https://www.usi.com/property-casualty/technology/ "Technology Insurance") (Evidence: Company-reported; scope: Company description of client segments for each practice..) |
| 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..) | USI's Technology practice itemizes property, business income and contingent business income as distinct placement components; its broader property & casualty team lists "Property Coverage" among the risk exposures it advises on. [5](https://www.usi.com/property-casualty/technology/ "Technology Insurance") [7](https://www.usi.com/property-casualty "P&C Insurance and Risk Consulting") (Evidence: Company-reported; scope: Practice pages' coverage lists; actual insuring agreements, valuation basis and exclusions are set by the issued policy..) |
| 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..) | Neither page publishes property limit, deductible or valuation figures. [7](https://www.usi.com/property-casualty "P&C Insurance and Risk Consulting") (Evidence: Not publicly disclosed; scope: Pages as read 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..) | USI says its property & casualty resource team includes dedicated property analysts and risk control specialists who use its USI ONE analytics process to identify and target property risk exposures. [7](https://www.usi.com/property-casualty "P&C Insurance and Risk Consulting") (Evidence: Company-reported; scope: Company description of team composition and process; outcomes are not independently verified..) |
| How to Apply | Confirm in your quote. | USI directs commercial property inquiries to pcinquiries@usi.com or a local USI office. [7](https://www.usi.com/property-casualty "P&C Insurance and Risk Consulting") [5](https://www.usi.com/property-casualty/technology/ "Technology Insurance") (Evidence: Company-reported; scope: Contact instructions on the Property & Casualty and Technology pages..) |

## Full Comparison

- [Aon vs USI Insurance Services](https://spot.insure/compare/aon-vs-usi): 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 USI Insurance Services Crime Insurance](https://spot.insure/compare/aon-vs-usi/crime)
- [Aon vs USI Insurance Services Cyber Insurance](https://spot.insure/compare/aon-vs-usi/cyber)
- [Aon vs USI Insurance Services D&O Insurance](https://spot.insure/compare/aon-vs-usi/directors-officers)
- [Aon vs USI Insurance Services Employment Practices Liability Insurance](https://spot.insure/compare/aon-vs-usi/employment-practices)
- [Aon vs USI Insurance Services Fiduciary Liability Insurance](https://spot.insure/compare/aon-vs-usi/fiduciary)
- [Aon vs USI Insurance Services Management Liability Insurance](https://spot.insure/compare/aon-vs-usi/management-liability)
- [Aon vs USI Insurance Services Workers’ Compensation Insurance](https://spot.insure/compare/aon-vs-usi/workers-compensation)
- [AIG vs Aon Commercial Property Insurance](https://spot.insure/compare/aig-vs-aon/commercial-property)
- [AIG vs USI Insurance Services Commercial Property Insurance](https://spot.insure/compare/aig-vs-usi/commercial-property)
- [Alliance Risk vs Aon Commercial Property Insurance](https://spot.insure/compare/alliance-risk-vs-aon/commercial-property)
- [Alliance Risk vs USI Insurance Services Commercial Property Insurance](https://spot.insure/compare/alliance-risk-vs-usi/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.

### USI Insurance Services

4. [The Power of ONE](https://www.usi.com/about-usi). USI Insurance Services; History, client-count, nationwide office, and P&C / benefits / personal risk / retirement description. Accessed 2026-09-16.
5. [Technology Insurance](https://www.usi.com/property-casualty/technology/). USI Insurance Services; USI's Technology Practice provides risk management advisory and insurance placement for: Property, Business Income and Contingent Business Income.... Accessed 2026-09-23.
6. [Commissions and Fees](https://www.usi.com/commissions-fees/). USI Insurance Services; Licensed-producer authority, insurer-paid commission default, contingent compensation, and client request right. Accessed 2026-09-16.
7. [P&C Insurance and Risk Consulting](https://www.usi.com/property-casualty). USI Insurance Services; risk management and insurance advice on broad risk exposures such as...Property Coverage...; property analysts...risk control specialists.... 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).

## USI Insurance Services Reviews

Review Score: 6.4 / 10 from 1 rated source, equally weighted.

USI’s public feedback is too sparse and office-specific for a firmwide verdict. Check the local team’s responsiveness and experience with your type of business.

- BBB: BBB complaint count 4. BBB business-profile grade is distinct from customer-review stars; branch/parent scope matters. Period: three years preceding access 2026-09-25. Checked 2026-09-25. [BBB result for USI Insurance Services](https://www.bbb.org/us/ny/valhalla/profile/insurance-agency/usi-insurance-services-0121-97856/complaints)
- Google reviews via Birdeye: Birdeye office listing rating from Google reviews 3.2 (5 stars); 9 reviews. One Louisville office listing, not firmwide. Birdeye shows Google-origin reviews (9) and 0 Birdeye-native reviews; this duplicates a Google source stream and is not independent of Google. Period: accessed 2026-09-25. Checked 2026-09-25. [USI office, Louisville, KY — Birdeye listing of Google reviews](https://reviews.birdeye.com/usi-insurance-145632496752867)

Reviewed 2026-09-25. [Read the sourced review](https://spot.insure/insurance-providers/usi/reviews).

## Agent and Developer Resources

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