Lockton vs 
Marsh McLennan Agency: How Do They Compare for Fiduciary Liability Insurance?
Lockton says typical fiduciary policies it places cover plan-law breaches and administration errors, and may cover certain fines or penalties when the wording specifically says so; Marsh McLennan Agency lists fiduciary liability in its executive-liability suite but does not give comparable grants or bond distinctions on the cited page. 4,7
What Is Lockton?
Lockton suits technology companies and larger businesses seeking a broker across cyber, D&O, property, liability and benefits; small firms wanting an instant standard quote should compare digital agencies. 1,2,3
What Is Marsh McLennan Agency?
Marsh McLennan Agency provides business insurance and employee health and benefits, alongside retirement, wealth, and private-client services across the United States and Canada. Its US small-business page lists six common coverage types and directs buyers to request a personalized quote by phone; the insurer and terms for a specific placement must be confirmed in the proposal. 5,6
Read the Marsh McLennan Agency profile
Read the Marsh McLennan Agency Fiduciary Liability Insurance page
What Is Fiduciary Liability Insurance?
Fiduciary liability can protect your company and plan fiduciaries when participants claim mishandling of an employee benefit plan. If you sponsor a retirement or health plan, check who is insured and whether both administration errors and fiduciary-breach claims are addressed. 8,9,10
Key Differences in Fiduciary Liability Insurance
Coverage Scope and Plan Details
Lockton says typical fiduciary policies it places cover plan-law breaches and administration errors, and may cover certain fines or penalties when the wording specifically says so. It also distinguishes fiduciary liability from the required ERISA bond, which protects plan assets against theft. Marsh McLennan Agency lists fiduciary liability in its executive-liability suite but does not give comparable grants or bond distinctions on the cited page. Plan sponsors should treat the liability policy and bond as separate checks. 4 7
Placement and Buyer Questions
Lockton lists a broad range of potential insureds, including the organization, benefit plans, employees, subsidiaries, spouses, estates, committees, and trustees, and says its claims team integrates counsel with broking. Marsh McLennan Agency’s overview does not enumerate insured parties or fiduciary claim support. Confirm these points against the schedule and service agreement. 4 7
What to Confirm in Fiduciary Liability Insurance Quotes
Review Scores
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.
Lockton
Review Score
3 rated sources
Lockton’s reviews vary by office and entity. Local Google-derived ratings provide some service feedback, but no reliable firmwide verdict.[2][6][7][8]
Read Lockton reviewsMarsh McLennan Agency
Review Score
2 rated sources
There are almost no public customer reviews of Marsh McLennan Agency (MMA). Trustpilot shows 3.2 out of 5, but from a single review, and BBB shows an A grade with four complaints closed in three years.[8][9][1]
Read Marsh McLennan Agency reviewsOffering Details
Lockton vs Marsh McLennan Agency: Fiduciary Liability Insurance: documented features by provider
| Criteria | Lockton Fiduciary Liability Insurance Brokerage | Marsh McLennan Agency fiduciary (official overview) |
|---|---|---|
| Role in This Line | Lockton places fiduciary liability insurance to protect companies and the individuals who manage their employee benefit plans against claims of mismanagement; Lockton is the broker, not the insurer. 4Company-reported. Fiduciary liability product page as read 2026-09-23. | Marsh McLennan Agency describes arranging fiduciary for the audience stated on the cited product page. 7Company-reported. fiduciary marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement. |
| Issuing Insurer | The page does not name the insurers Lockton places fiduciary liability coverage with. 4Not publicly disclosed. Fiduciary liability page checked 2026-09-23. | Confirm in your quote. |
| Who It’s For | Lockton says coverage under a fiduciary liability policy it places typically extends to the organization, the benefit plans, employees, subsidiaries as defined in the policy, spouses/domestic partners, estates/heirs, past employees retained as fiduciaries or consultants, and committees and trustees. 4Company-reported. Fiduciary liability product page as read 2026-09-23. | Organizations seeking executive liability solutions; source does not define plan-specific eligibility. 7Company-reported. fiduciary marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement. |
| Coverage Features | Lockton says a typical fiduciary liability policy it places covers breaches of benefit laws, errors and omissions in plan administration, voluntary compliance loss, and, when explicitly stated, certain fines and penalties such as under HIPAA, the Pension Protection Act and the ACA. It also notes fiduciary liability is distinct from an ERISA bond, which is legally required and insures plan assets against theft under a crime/fidelity policy, whereas fiduciary liability is not legally required but covers governance and decision-making risk. 4Company-reported. Fiduciary liability product page as read 2026-09-23. General policy-structure description, not a specimen form. | The cited product page describes fiduciary liability as a named product in the executive and professional liability suite; the overview does not state plan-specific grants. Marketing description only; actual coverage, exclusions, conditions, limits, and availability depend on the issued policy and jurisdiction. 7Company-reported. fiduciary marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement. |
| Limits and Retentions | Confirm in your quote. | The cited overview does not set a universal limit or retention for this line. Ask for the proposed policy form, limits, retentions, exclusions, and conditions in the quote. 7Not publicly disclosed. Only the cited marketing page was reviewed for published limit and retention information; no policy-form entitlement is inferred. |
| How to Apply | Confirm in your quote. | The page invites organizations to contact a Marsh McLennan Agency adviser or specialist to discuss placement. The page does not establish a quote, bind, or coverage-effective timeline. 7Company-reported. fiduciary marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement. |
| Claims Support | Lockton's Professional & Executive Risk Claims team integrates insurance and claims counsel within the broking team, which Lockton says is meant to have claims strategy in place before a fiduciary liability claim arises. 4Company-reported. Fiduciary liability product page as read 2026-09-23. | Confirm in your quote. |
Full Comparison
More Lockton vs Marsh McLennan Agency Comparisons
Other Fiduciary Liability Insurance Comparisons
Sources
Lockton
- Lockton United States. Lockton; Opening description of independent insurance brokerage for risk, benefits and retirement; Ask an Expert link to contact-us. Accessed 2026-09-16.
- Technology. Lockton; Industry introduction; cyber liability heading; dedicated technology team; listed services including claims advocacy, contract review, directors and officers liability, and international program design; 24/7 service model. Accessed 2026-09-16.
- US Terms of Business. Lockton; Opening entity definition; Surplus Lines; Use of a Particular Insurer; Compensation Disclosure; servicing, claims handling and renewal language in Confidentiality section; Intermediaries. Accessed 2026-09-16.
- Fiduciary Liability Insurance. Lockton; What is fiduciary liability insurance?; Typical coverage on a fiduciary liability policy; Who can be covered under a fiduciary liability policy?; How does fiduciary liability insurance complement similar lines of coverage; Claims management. Accessed 2026-09-23.
Marsh McLennan Agency
- Who We Are. Marsh McLennan Agency; Lines 193-195: ‘a business of Marsh’ and company-listed service lines across US and Canada. This does not establish the legal entity for an account, corporate ownership chart, or insurer role. Accessed 2026-09-29.
- Small Business Insurance Solutions. Marsh McLennan Agency; Lines 205-207: small-business audience and call invitation; lines 224-249 list six coverage categories and short descriptions; line 264 is an embedded form whose function is not stated. No form submitted. Accessed 2026-09-29.
- Executive and Professional Liability | MMA. Marsh McLennan Agency; Named within the executive and professional liability product suite. Accessed 2026-09-30.
Fiduciary Liability Insurance Guide
- Field Assistance Bulletin No. 2008-04: Guidance Regarding ERISA Fidelity Bonding Requirements. U.S. Department of Labor, Employee Benefits Security Administration; Q2 pp.2–3. Accessed 2026-09-16.
- Fiduciary Liability. Travelers Casualty and Surety Company of America; II.D,J–L pp.2–3; II.A p.1; II.V p.5; Header p.1; II.M p.3; I p.1; III.A.6–8 pp.5–6; II.M.2 p.3; III.B.1 p.6. Accessed 2026-09-16.
- Fiduciary Liability Insurance. Travelers; What Is Fiduciary Liability Insurance? Accessed 2026-09-16.
