Aon vs 
Zurich U.S.: How Do They Compare for Surety Bonds?
Aon: construction surety bonds and describes them as financial security intended to guarantee contractor performance and payment to specified subcontractors, laborers and material suppliers. Actual bond obligations depend on the bond form and its terms. Zurich U.S.: zurich contract surety includes bid, performance, labor/material payment, subcontract, subdivision, maintenance, supply, license/permit and environmental bonds. 3,6
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
Zurich U.S. Business Insurance: Products, Access, and Claims
Zurich U.S. serves Middle Market businesses and large or national accounts with commercial property-casualty and specialty insurance. Buyers can explore product lines and work through an agent or broker; the insurer named on a quote or policy identifies which Zurich company underwrites that coverage. 4,5
What Are Surety Bonds?
A surety bond guarantees that your business meets a specific obligation to a customer, contracting party or government agency. If a contract, license or permit requires one, get its exact form and amount; a bond is not insurance for your own losses. 7,8,9,10,11
Key Differences in Surety Bonds
Repeat bond servicing
Zurich’s Surety Express lets buyers book bonds, view renewals and modify existing bonds. Aon describes its global construction practice designs and places risk solutions and uses broking experience and a global network across construction insurance lines. For construction surety, this is evidence of Aon’s brokered market offering; the page does not identify the insurer for a buyer’s placement. A contractor with recurring bonds should ask whether Aon offers similar self-service or handles changes through an adviser. 3 6
Types of bonds in scope
Zurich lists bid, performance, labor and material payment, subcontract, subdivision, maintenance, supply, license and environmental bonds. Aon lists its global construction practice designs and places risk solutions and uses broking experience and a global network across construction insurance lines. For construction surety, this is evidence of Aon’s brokered market offering; the page does not identify the insurer for a buyer’s placement. Match the required bond form and obligee to the provider’s stated range. 3 6
Company size and capacity
Zurich describes contract surety for contractors from small firms through ENR 400, and commercial surety for large and regional companies. Aon describes its global construction and infrastructure practice as serving contractors, owners, developers, engineers, architects, designers, financiers and investors, and says it works with organizations of varied sizes and complexity. Ask each provider how financial statements and backlog affect the capacity offered. 3 6
What to Confirm in Surety Bonds Quotes
- Ask Aon to confirm the quoted bond form, obligee and indemnity terms; its offering says construction surety bonds and describes them as financial security intended to guarantee contractor performance and payment to specified subcontractors, laborers and material suppliers. Actual bond obligations depend on the bond form and its terms. 3
- Ask Zurich U.S. to confirm the quoted bond form, obligee and indemnity terms; its offering says zurich contract surety includes bid, performance, labor/material payment, subcontract, subdivision, maintenance, supply, license/permit and environmental bonds. 6
Aon and Zurich U.S. 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.
Aon Review Score
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 reviewsZurich U.S. Review Score
Review Score
No reviews found
The available Zurich review evidence is mixed and comes from distinct populations: a car-rental-business editorial rating, broad global and U.S. review-platform snapshots, and a BBB business-profile grade. These are not a representative measure of every Zurich commercial policy or claim.[1][4][5][6][7]
Read Zurich U.S. reviewsAon vs Zurich U.S. Surety Bonds Compared
Aon vs Zurich U.S.: Surety Bonds: documented features by provider
| Criteria | Aon Construction Surety brokerage and risk-advisory offering | Zurich Contract and Commercial Surety Bonds |
|---|---|---|
| Role in This Line | Aon says its global construction practice designs and places risk solutions and uses broking experience and a global network across construction insurance lines. For construction surety, this is evidence of Aon’s brokered market offering; the page does not identify the insurer for a buyer’s placement. 3Company-reported. Aon’s global construction and infrastructure practice page. This establishes a marketed brokerage/advisory offering, not policy issuance or account-specific placement. | Confirm in your quote. |
| Issuing 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. 3Not found in reviewed sources. 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. | Confirm in your quote. |
| Who It’s For | Aon describes its global construction and infrastructure practice as serving contractors, owners, developers, engineers, architects, designers, financiers and investors, and says it works with organizations of varied sizes and complexity. 3Company-reported. Audience described for Aon’s global construction and infrastructure practice. It does not establish U.S. state availability or underwriting eligibility for a placement. | Zurich describes contract surety for contractors from small firms to ENR 400 and commercial surety for Fortune 2000/regional companies and qualified transactional buyers. 6Company-reported. Zurich U.S. brand; exact underwriting company may vary by policy and state; commercial and contract surety; United States. Company-reported product description; actual coverage, underwriting, limits and state availability are governed by issued policy terms. |
| Coverage Features | Aon lists construction surety bonds and describes them as financial security intended to guarantee contractor performance and payment to specified subcontractors, laborers and material suppliers. Actual bond obligations depend on the bond form and its terms. 3Company-reported. 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. | Zurich contract surety includes bid, performance, labor/material payment, subcontract, subdivision, maintenance, supply, license/permit and environmental bonds. 6Company-reported. Zurich U.S. brand; exact underwriting company may vary by policy and state; commercial and contract surety; United States. Company-reported product description; actual coverage, underwriting, limits and state availability are governed by issued policy terms. |
| Limits and Retentions | 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. 3Not publicly disclosed. Aon’s global practice page as reviewed 2026-09-30; no quote, bond form or issued policy was reviewed. | Confirm in your quote. |
| Risk Services | Aon describes project risk-advisory services to understand project-specific risks and develop risk-transfer, management or mitigation strategies. It also describes a global construction team and market access. These are company-reported brokerage and advisory services, not coverage benefits. 3Company-reported. Company-reported advisory services on Aon’s global practice page; account-specific service scope is not stated. | Confirm in your quote. |
| How to Apply | Confirm in your quote. | Surety Express lets users book new bonds, view renewals and modify existing bonds; Zurich also provides a bond validator. 6Company-reported. Zurich U.S. brand; exact underwriting company may vary by policy and state; commercial and contract surety; United States. Company-reported product description; actual coverage, underwriting, limits and state availability are governed by issued policy terms. |
Related Pages for Aon vs Zurich U.S. Surety Bonds
Surety Bonds Pages for Aon and Zurich U.S.
Other Coverage Lines Compared for Aon vs Zurich U.S.
Other Surety Bonds Provider Comparisons
Sources for Aon vs Zurich U.S. Surety Bonds
Sources About Aon
- 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.
- 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.
- Construction and Infrastructure Insurance and Risk Management. Aon; Construction client audience and global placement role, lines 123–126; offering descriptions lines 135–156; coverage-area taxonomy lines 167–195; contact link lines 120–122. Global practice page; no U.S. state or account-specific placement schedule. Accessed 2026-09-30.
Sources About Zurich U.S.
- About Us | Zurich U.S. | Commercial Insurance. Zurich U.S.; About Zurich U.S.; customer and industry description; FAQ on U.S. product focus. Accessed 2026-09-28.
- Agents and Brokers | Zurich U.S. Zurich U.S.; Agent/broker route and locator. Accessed 2026-09-28.
- Surety Bond Company: Construction & Corporate | Zurich. Zurich U.S.; Contract and commercial surety, products, jurisdictions, transaction tools. Accessed 2026-09-28.
Sources for the Surety Bonds Guide
- Glossary of Insurance Terms. National Association of Insurance Commissioners; Surety Bond; Fidelity. Accessed 2026-09-16.
- Surety bonds. U.S. Small Business Administration; Opening guarantee of work completion; Contract or commercial bonds; Bid, Payment, Performance, Ancillary; Eligibility > credit, capacity, and character. Accessed 2026-09-16.
- 40 U.S. Code § 3131 — Bonds of contractors of public buildings or works. Legal Information Institute, Cornell Law School, reproducing 40 U.S.C. § 3131; §3131(b) Type of Bonds Required — performance bond and payment bond. Accessed 2026-09-16.
- Surety Bonds. Chubb; Construction Surety Bonds (performance, payment, maintenance); Commercial Surety Bonds (license and permit, court, commercial contract). Accessed 2026-09-16.
- Surety Bonds Insurance. Harper; What is Surety Bonds insurance?; A bond is not insurance; License & permit bonds; Contract bonds — bid, performance, and payment; Is a bond the same as insurance? Accessed 2026-09-16.
