Aon vs 
Gallagher: 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. Gallagher: it places license and permit bonds, court bonds, public official bonds and customs bonds under its commercial surety practice, distinct from contract (construction) surety bonds, which it treats as a separate related product. 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
What Is Gallagher?
Gallagher’s technology specialists serve startups through global enterprises, while its executive-risk team supports IPO and M&A needs; small firms seeking one simple digital quote should compare online agencies. 4,5,6,7,8
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. 10,11,12,13,14
Key Differences in Surety Bonds
Bond forms for the stated obligation
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. Gallagher describes it places license and permit bonds, court bonds, public official bonds and customs bonds under its commercial surety practice, distinct from contract (construction) surety bonds, which it treats as a separate related product. A bond protects the obligee under the named obligation, so compare the required form and conditions against the contract or license before choosing a route. 3 9
Applicant profile and service model
Aon identifies 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. Gallagher identifies it serves commercial surety clients across healthcare, financial services, public utilities, and private and public companies, for both domestic and international projects, and separately lists surety bond programs as a recommended coverage for small IT and technology businesses. A contractor or business should ask whether its trade, financial profile and bond amount fit the stated market and what documentation will be needed. 3 9
How the application moves
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. Gallagher describes its surety team can help replace letters of credit with bonds, work with a client's existing surety program, and facilitate collateral release, citing a case where it placed commercial surety bonds in place of letters of credit to support $60 million in power-purchase obligations for an energy-company client. Confirm the submission deadline, required indemnitors and how the executed bond reaches the obligee. 3 9
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 Gallagher to confirm the quoted bond form, obligee and indemnity terms; its offering says it places license and permit bonds, court bonds, public official bonds and customs bonds under its commercial surety practice, distinct from contract (construction) surety bonds, which it treats as a separate related product. 9
Aon and Gallagher 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 reviewsGallagher Review Score
Review Score
3 rated sources
Gallagher has strong Trustpilot feedback and a favorable historical large-commercial survey result. Neither directly measures today’s US small-business service.[2][4][6]
Read Gallagher reviewsAon vs Gallagher Surety Bonds Compared
Aon vs Gallagher: Surety Bonds: documented features by provider
| Criteria | Aon Construction Surety brokerage and risk-advisory offering | Gallagher 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. | Gallagher places commercial surety bonds as a three-party arrangement between the client (principal), the party requiring the bond (obligee) and a surety company; Gallagher brokers the bond rather than acting as the surety itself. 9Company-reported. Group-level commercial surety practice page. |
| 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. | The commercial surety page describes relationships with "leadership at all major surety companies" but does not name the specific surety that would issue a given client's bond. 9Not publicly disclosed. Checked the group-level commercial surety practice page. |
| 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. | Gallagher says it serves commercial surety clients across healthcare, financial services, public utilities, and private and public companies, for both domestic and international projects, and separately lists surety bond programs as a recommended coverage for small IT and technology businesses. 9,5Company-reported. Group-level commercial surety practice page and the small-business technology-services page. |
| 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. | Gallagher says it places license and permit bonds, court bonds, public official bonds and customs bonds under its commercial surety practice, distinct from contract (construction) surety bonds, which it treats as a separate related product. 9Company-reported. Group-level commercial surety practice page; a service-menu description, not a specific bond's 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. | The commercial surety page does not publish standard bond amounts, premium rates or collateral requirements; these vary by bond type and client. 9Not publicly disclosed. Checked the group-level commercial surety practice page. |
| 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. | Gallagher says its surety team can help replace letters of credit with bonds, work with a client's existing surety program, and facilitate collateral release, citing a case where it placed commercial surety bonds in place of letters of credit to support $60 million in power-purchase obligations for an energy-company client. 9Company-reported. Group-level commercial surety practice page case study; a single company-reported example, not independently verified. |
Related Pages for Aon vs Gallagher Surety Bonds
Surety Bonds Pages for Aon and Gallagher
Other Coverage Lines Compared for Aon vs Gallagher
Other Surety Bonds Provider Comparisons
Sources for Aon vs Gallagher 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 Gallagher
- Technology Insurance. Gallagher; Introduction; Solutions and coverages for the technology industry: Technology errors and omissions including cyber, Intellectual property insurance, Product liability, Employee benefits; Data-driven insights; global network. Accessed 2026-09-16.
- Insurance for Technology & IT Businesses. Gallagher Small Business; Protection for IT Professionals & Their Technology-Based Businesses; recommended coverage menu, including Surety Bond Programs; Connect With An Advisor. Accessed 2026-09-16.
- Executive and Financial Risk Insurance. Gallagher; Opening (insurance broking and placement); three key services; Directors and Officers; IPO and direct listings; Employment Practices; Fiduciary; Employee Dishonesty (Crime) and Fidelity Bond; Kidnap, Ransom and Extortion; M&A Transactional Insurance. Accessed 2026-09-16.
- Legal Information. Gallagher Small Business; Producer identification immediately above Quick Links. Accessed 2026-09-16.
- Woodruff Sawyer Is Now Gallagher. Gallagher; Opening; Executive and Financial Risk consulting; Continued access to client portals; contact form. Accessed 2026-09-16.
- Surety. Gallagher; Surety relationships that convert to future growth; Understanding commercial surety vs. contract surety bonds; Providing assurance that keeps business moving (License and permit bonds, Court bonds, Public official bonds, Customs bonds); The Gallagher Difference case study; Commercial Surety and Bonds Summary. Accessed 2026-09-23.
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.
