Excess & Surplus

StarStone / CoreSpec

Core Specialty Insurance Holdings operates through specialized business units - including StarStone Specialty Insurance Company, a property and casualty excess and surplus lines insurer - that combine local underwriting autonomy with deep niche expertise. This decentralized, E&S-focused approach gives NeitClem access to responsive, knowledgeable underwriters for hard-to-place small and mid-sized commercial risks across agriculture, aviation, healthcare, and more.

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Lines of Business

Coverage lines NeitClem can access through StarStone / CoreSpec. Appetite, capacity, and eligible classes vary by state and by individual account — our brokerage team can confirm the fit before you market the risk.

  • Excess Liability
  • Garage Liability
  • General Liability

Explore More Carriers

More Excess & Surplus markets NeitClem places business with. Still not the right fit? Browse all 53 carriers to compare appetite across the full panel, or talk to our brokerage team.

Excess & Surplus

Admiral

Admiral Insurance Group, a member of W. R. Berkley Corporation, has specialized in excess and surplus lines commercial casualty and professional liability since 1974, underwriting difficult-to-place risks across construction, cannabis, technology, and healthcare. Admiral's creative, outside-the-box underwriting philosophy makes it a go-to carrier for NeitClem on moderate-to-high-hazard accounts that require true E&S flexibility.

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Excess & Surplus

Nautilus

Nautilus Insurance Group, a member of W. R. Berkley Corporation, is a leading excess and surplus lines carrier specializing in the high-volume, small-premium commercial market across general liability, property, and inland marine. Operating since 1985 and backed by an A+ (Superior) A.M. Best rating, Nautilus serves appointed wholesale general agents nationwide. Its deep E&S expertise and Berkley-backed financial strength make it a dependable market for NeitClem's harder-to-place small commercial accounts.

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Excess & Surplus

Markel / Evanston

Markel Corporation, through its Evanston Insurance Company subsidiary, is a leading excess and surplus lines carrier known for flexible, non-admitted capacity across professional liability, general liability, and specialty commercial risk. Evanston's broad appetite and creative underwriting give NeitClem a dependable E&S partner for complex accounts that fall outside standard market guidelines. Markel also writes admitted commercial property and inland marine business through its Markel American Insurance Company arm, giving NeitClem both non-admitted and admitted paper under one carrier relationship.

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Have a risk for StarStone / CoreSpec?

Submit your application and our brokerage team will confirm current appetite, walk through submission requirements, and get it in front of the right underwriter.

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Questions about a specific carrier or appetite? Talk to our brokerage team.

(323) 258-2600 QuoteNow@neitclem.com
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