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. 1,2
What Is Nationwide?
Nationwide’s commercial catalogue includes common small-business policies and separate specialty products. A catalogue listing does not establish eligibility or policy terms; confirm the issuing company and coverage for your state and business. 4,5,6
What Is Cyber Insurance?
Cyber insurance can help pay covered response costs and claims against your business after a cyber incident. If your business relies on data, software or outside providers, compare response limits, vendor outages and approval rules. 8,9
Key Differences in Cyber Insurance
Incident costs and risk management
Nationwide describes cyber liability and data-breach insurance addressing expenses associated with a cyberattack or data breach. Marsh McLennan Agency describes cyber liability and a cyber-risk management strategy as part of its executive and professional risk offering. The descriptions emphasize different parts of the purchase: ask Nationwide to itemize response expenses, and ask MMA what its strategy includes alongside the policy. Neither overview states the terms of a specific quote. 7 3
How to start a quote
Nationwide directs prospective buyers to contact an agent or request a quote, while Marsh McLennan Agency asks them to speak with an adviser or specialist about placement. Both routes involve a person; the sources do not promise a binding timetable. That matters if you are working against a contract deadline, so ask each contact what application materials and insurer decisions remain. 7 3
What to Confirm in Cyber Insurance Quotes
Marsh McLennan Agency and Nationwide 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.
Marsh McLennan Agency Review Score
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 reviewsNationwide Review Score
Review Score
4 rated sources
Experts like Nationwide more than customers do. NerdWallet gives it 4.5 out of 5 for business insurance, while small-business customers on ConsumerAffairs give it 2.5 out of 5 from 19 reviews.[1][10]
Read Nationwide reviewsMarsh McLennan Agency vs Nationwide Cyber Insurance Compared
Marsh McLennan Agency vs Nationwide: Cyber Insurance: documented features by provider
| Criteria | Marsh McLennan Agency cyber (official overview) | Nationwide cyber (official overview) |
|---|---|---|
| Role in This Line | Marsh McLennan Agency describes arranging cyber for the audience stated on the cited product page. 3Company-reported. cyber 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. | Nationwide describes offering cyber for the audience stated on the cited product page. 7Company-reported. cyber marketed by nationwide; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement. |
| Who It’s For | Organizations managing cyber exposure; exact insurer, policy form, and eligibility are placement-specific. 3Company-reported. cyber 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. | Businesses addressing cyber and data-breach risks; specific eligibility and coverage depend on quote and policy. 7Company-reported. cyber marketed by nationwide; 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 | The cited product page describes cyber liability and a cyber-risk management strategy as part of the executive and professional risk offering. Marketing description only; actual coverage, exclusions, conditions, limits, and availability depend on the issued policy and jurisdiction. 3Company-reported. cyber 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. | The cited product page describes cyber liability and data-breach insurance addressing expenses associated with a cyberattack or data breach. Marketing description only; actual coverage, exclusions, conditions, limits, and availability depend on the issued policy and jurisdiction. 7Company-reported. cyber marketed by nationwide; 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 | 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. 3Not publicly disclosed. Only the cited marketing page was reviewed for published limit and retention information; no policy-form entitlement is inferred. | 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 | 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. 3Company-reported. cyber 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. | The page directs prospective customers to contact an agent or request a quote. The page does not establish a quote, bind, or coverage-effective timeline. 7Company-reported. cyber marketed by nationwide; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement. |
Related Pages for Marsh McLennan Agency vs Nationwide Cyber Insurance
Cyber Insurance Pages for Marsh McLennan Agency and Nationwide
Other Coverage Lines Compared for Marsh McLennan Agency vs Nationwide
Other Cyber Insurance Provider Comparisons
Sources for Marsh McLennan Agency vs Nationwide Cyber Insurance
Sources About 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.
- Cyber | MMA. Marsh McLennan Agency; Cyber solution overview and cyber-risk services. Accessed 2026-09-30.
Sources About Nationwide
- Small Business Insurance. Nationwide; Small business products and solutions, lines 185–214: BOP, workers’ compensation, commercial auto, umbrella, EPLI, cyber and surety; purchase guidance lines 235–247. Accessed 2026-09-29.
- Small Business Insurance Solutions for Agents. Nationwide; Specialized small commercial solutions: BOP, auto, workers’ compensation, cyber, EPLI, umbrella, inland marine and professional liability; page states appetite varies by state, lines 129–163, 191–193. Accessed 2026-09-29.
- Terms and Conditions for Nationwide.com. Nationwide; P&C products not offered by all companies/states; policy/declarations control; NMI and affiliates may underwrite; each underwriter responsible for own products, lines 358–368 and 391–394. Accessed 2026-09-29.
- Cyber Liability & Data Breach Insurance. Nationwide; Cyber liability page; cyberattack/data-breach coverage overview and response resources. Accessed 2026-09-30.
Sources for the Cyber Insurance Guide
- Cyber Insurance. Federal Trade Commission; Opening; First-Party and Third-Party Coverage; First-Party Coverage; Third-Party Coverage; What Should Your Cyber Insurance Policy Cover. Accessed 2026-09-16.
- CyberEdge specimen policy. AIG; General Terms §§4–6, PDF pp.3–6; Security and Privacy §1 p.11, §2(l)/(p) p.14, §3 pp.15–18, exclusions p.18; Event Management §1 and §2(h), PDF pp.19–20. Accessed 2026-09-16.
