Aon vs 
Founder Shield: How Do They Compare for Umbrella and Excess Liability Insurance?
Aon: umbrella and Excess Liability as separate coverage areas within construction liability. The page does not specify an attachment point, underlying policy, limits or terms for a particular placement. Founder Shield: umbrella insurance as extra liability coverage above the limits of underlying policies, responding to bodily injury, property damage, and personal-liability claims like libel or slander once primary limits are exhausted. 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 Founder Shield Insurance?
Founder Shield is a broker for venture-backed startups: you apply online in under 15 minutes, and an advisor shops its 200+ carrier markets to build a program that changes as your products and locations change. It doesn't insure you itself, so ask which insurer carries each policy. 4,5,6,7,8
Read the Founder Shield profile
Read the Founder Shield Umbrella and Excess Liability Insurance page
What Is Umbrella and Excess Liability Insurance?
Umbrella or excess insurance adds liability limits above the policies named in the quote after a covered claim exhausts their limits. It may fit if a contract sets higher limits; check which primary policies are listed and any gaps between them. 11,12,13,14,15
Key Differences in Umbrella and Excess Liability Insurance
How the excess layer follows underlying coverage
Aon describes its global construction practice designs and places risk solutions and uses broking experience and a global network across construction insurance lines. For umbrella and excess liability, this is evidence of Aon’s brokered market offering; the page does not identify the insurer for a buyer’s placement. Founder Shield describes umbrella insurance as extra liability coverage above the limits of underlying policies, responding to bodily injury, property damage, and personal-liability claims like libel or slander once primary limits are exhausted. Ask whether the proposed form follows the underlying wording or adds a stated feature, and identify the policies and exhaustion points it requires. 3 9
Capacity and buyer segment
Aon describes its global construction practice designs and places risk solutions and uses broking experience and a global network across construction insurance lines. For umbrella and excess liability, this is evidence of Aon’s brokered market offering; the page does not identify the insurer for a buyer’s placement. Founder Shield describes founder Shield's page describes umbrella coverage broadly for high-net-worth individuals, business owners, property owners, and professionals such as doctors, lawyers or architects; it does not distinguish a business-only umbrella product from personal umbrella coverage. Compare the stated industry appetite and available capacity with your operations, then request the actual limit and attachment point for your account. 3 9
Broker or insurer service route
Aon describes its global construction practice designs and places risk solutions and uses broking experience and a global network across construction insurance lines. For umbrella and excess liability, this is evidence of Aon’s brokered market offering; the page does not identify the insurer for a buyer’s placement. Founder Shield describes a retail insurance brokerage, described on its site as “the innovation arm of The Baldwin Group,” and places Founder Shield Umbrella Insurance with third-party carriers rather than underwriting the policy itself. Ask who handles underwriting questions, renewal changes and claims advocacy for the layer. 3 10
What to Confirm in Umbrella and Excess Liability Insurance Quotes
- Ask Aon to confirm the quoted coverage trigger, underlying policies and exclusions; its offering says umbrella and Excess Liability as separate coverage areas within construction liability. The page does not specify an attachment point, underlying policy, limits or terms for a particular placement. 3
- Ask Founder Shield to confirm the quoted coverage trigger, underlying policies and exclusions; its offering says umbrella insurance as extra liability coverage above the limits of underlying policies, responding to bodily injury, property damage, and personal-liability claims like libel or slander once primary limits are exhausted. 9
Aon and Founder Shield 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 reviewsFounder Shield Review Score
Review Score
1 rated source
Founder Shield has too little independent customer feedback for a reliable verdict. One positive Trustpilot review does not establish a service track record.[1][4]
Read Founder Shield reviewsAon vs Founder Shield Umbrella and Excess Liability Insurance Compared
Aon vs Founder Shield: Umbrella and Excess Liability Insurance: documented features by provider
| Criteria | Aon Umbrella and Excess Liability brokerage and risk-advisory offering | Founder Shield Umbrella Insurance |
|---|---|---|
| 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 umbrella and excess liability, 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. | Founder Shield is a retail insurance brokerage, described on its site as “the innovation arm of The Baldwin Group,” and places Founder Shield Umbrella Insurance with third-party carriers rather than underwriting the policy itself. 10Company-reported. About-us page; applies to Founder Shield's brokerage model generally, restated here for this line. |
| 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. | Founder Shield says it places policies, including Founder Shield Umbrella Insurance, only with carriers rated A- or better by AM Best, chosen for the client's industry. It does not name the issuing insurer for this line; that depends on which carrier the policy is placed with. 6Company-reported. General carrier-selection FAQ, not specific to this line's placements. |
| 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. | Founder Shield's page describes umbrella coverage broadly for high-net-worth individuals, business owners, property owners, and professionals such as doctors, lawyers or architects; it does not distinguish a business-only umbrella product from personal umbrella coverage. 9Company-reported. Umbrella Insurance product page; wording mixes personal and commercial umbrella use cases. |
| Coverage Features | Aon lists Umbrella and Excess Liability as separate coverage areas within construction liability. The page does not specify an attachment point, underlying policy, limits or terms for a particular placement. 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. | Founder Shield describes umbrella insurance as extra liability coverage above the limits of underlying policies, responding to bodily injury, property damage, and personal-liability claims like libel or slander once primary limits are exhausted. 9Company-reported. Product page; the issued policy and declarations control actual coverage. |
| 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. | You request Founder Shield Umbrella Insurance through Founder Shield's website or an insurance advisor rather than binding coverage directly; Founder Shield says its placement team then approaches carriers on the client's behalf. 10,6Company-reported. About-us and carrier-selection pages describe the general placement process, not a line-specific application form. |
Related Pages for Aon vs Founder Shield Umbrella and Excess Liability
Umbrella and Excess Liability Pages for Aon and Founder Shield
Other Coverage Lines Compared for Aon vs Founder Shield
Other Umbrella and Excess Liability Insurance Provider Comparisons
Sources for Aon vs Founder Shield
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 Founder Shield
- Founder Shield. Founder Shield; Opening broker description; Specialized Practices; Smart Tech, Smarter People; quote and sign-in links. Accessed 2026-09-15.
- Startup Insurance. Founder Shield; What Coverage Does your Startup Need?; Why Startups Choose Founder Shield; Industries We Serve; Essential Policies to Consider section. Accessed 2026-09-15.
- How Do You Decide Which Carriers to Approach? Founder Shield; FAQ answer on carrier selection: works exclusively with A-rated (AM Best) carriers, matched by industry appetite. Accessed 2026-09-23.
- What If Our Company Grows A Lot or Things Change During the Year? Founder Shield; Carl Niedbala answer, November 25, 2024: operational changes and coverage adjustments. Accessed 2026-09-15.
- Terms of Service. Founder Shield; Opening agreement; License Status; Representations and Disclaimers Related to Products or Services; Fees and Charges; Void Where Prohibited. Accessed 2026-09-15.
- Umbrella Insurance. Founder Shield; What Is Umbrella Insurance?; Who Needs Umbrella Insurance Coverage?; What Does Umbrella Insurance Cover? Accessed 2026-09-23.
- About Us. Founder Shield; “Founder Shield is the innovation arm of The Baldwin Group”; company history and mission. Accessed 2026-09-23.
Sources for the Umbrella and Excess Liability Insurance Guide
- Liability Insurance. Insurance Information Institute; Heading Umbrella Liability Insurance; sentence Umbrella Liability—also known as Excess Liability Insurance; underlying policies listed with limits; typically GL, auto and employers’ liability; starts when a covered loss exhausts the primary per occurrence limit; Most umbrella policies exclude EPL, professional liability, product recall, workers compensation, asbestos, pollution, war and terrorism. Accessed 2026-09-16.
- Commercial Insurance Guide. California Department of Insurance; Commercial Umbrella; excess over a basic liability policy; auto/CGL/WC or any liability policy can be covered; may respond if basic policy not in force or for gaps; SIR when no underlying. Accessed 2026-09-16.
- Lines of Insurance. California Department of Insurance; Umbrella or Excess Liability Policy: excess limits over existing liability; may provide additional coverages not provided by underlying policies. Accessed 2026-09-16.
- Coverage Hub. Coverdash; Excess & Specialty: Umbrella; Excess Liability. Accessed 2026-09-16.
- Products. Kinro; 09 Umbrella/Excess: additional limits above scheduled underlying policies; when to review; reviewed with. Accessed 2026-09-16.
