Insights

Expanded E&S Reach The Cincinnati Specialty Underwriters Insurance Company operates as a nonadmitted carrier with access across 43 states and a presence in all 50 states plus Washington, D.C. This broad footprint presents opportunities to cross-sell excess and surplus lines products to independent agents expanding into new jurisdictions.

Strong Rating & Backing CSU carries an A+ (Superior) AM Best rating and is backed by The Cincinnati Insurance Company, signaling financial stability and trusted capacity for larger or more complex E&S risks, which can help in conversations with agents handling high-severity accounts.

Independent Agent Channel Access to CSU is via in-house E&S brokerage CSU Producer Resources Inc. (C-SUPR), wholly owned by Cincinnati Financial, highlighting a streamlined, agent-centric distribution model that can be leveraged to deepen relationships with existing agency partners and onboard new ones seeking specialized E&S solutions.

Tech-Driven Ops A modern tech stack (Power Automate, Tableau, Jenkins, Microsoft 365, Intune, Jira, Azure, Airtable) supports digital workflows, data analytics, and integration. This tech readiness can be marketed to agents seeking efficient, scalable underwriting and risk selection processes.

Growth Through Talent Moves Recent leadership changes and a strong recruitment narrative in claims and IT within Cincinnati Financial signal ongoing modernization and strategic focus. This environment can be framed to clients as a proactive, stability-forward partner investing in capabilities and service quality.

Similar companies to The Cincinnati Specialty Underwriters Insurance Company

The Cincinnati Specialty Underwriters Insurance Company Tech Stack

The Cincinnati Specialty Underwriters Insurance Company uses 8 technology products and services including Microsoft Power Automate, Tableau, Jenkins, and more. Explore The Cincinnati Specialty Underwriters Insurance Company's tech stack below.

Media & News

The Cincinnati Specialty Underwriters Insurance Company's Email Address Formats

The Cincinnati Specialty Underwriters Insurance Company uses at least 4 email formats:
The Cincinnati Specialty Underwriters Insurance Company Email FormatsExamplePercentage
First_Last@cinfin.comJohn_Doe@cinfin.com
92%
FLast@cinfin.comJDoe@cinfin.com
4%
First.Last@cinfin.comJohn.Doe@cinfin.com
3%
Last@cinfin.comDoe@cinfin.com
1%

Frequently Asked Questions

What is The Cincinnati Specialty Underwriters Insurance Company's official website and social media links?

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The Cincinnati Specialty Underwriters Insurance Company's official website is cinfin.com and has social profiles on LinkedIn.

How much revenue does The Cincinnati Specialty Underwriters Insurance Company generate?

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As of October 2026, The Cincinnati Specialty Underwriters Insurance Company's annual revenue is estimated to be $250M - $500M.

What is The Cincinnati Specialty Underwriters Insurance Company's NAICS code?

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The Cincinnati Specialty Underwriters Insurance Company's NAICS code is 524 - Insurance Carriers and Related Activities.

How many employees does The Cincinnati Specialty Underwriters Insurance Company have currently?

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As of October 2026, The Cincinnati Specialty Underwriters Insurance Company has approximately 142 employees across 1 continents, including North America. Key team members include Assistant Vice President - Underwriting Manager Excess And Surplus Lines: M. L., Senior Vice President Of Operations: J. C. and Consulting Underwriting Director Csu: A. S. Explore The Cincinnati Specialty Underwriters Insurance Company's employee directory with LeadIQ.

What industry does The Cincinnati Specialty Underwriters Insurance Company belong to?

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The Cincinnati Specialty Underwriters Insurance Company operates in the Insurance industry.

What technology does The Cincinnati Specialty Underwriters Insurance Company use?

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The Cincinnati Specialty Underwriters Insurance Company's tech stack includes Microsoft Power Automate, Tableau, Jenkins, Microsoft 365, Microsoft Intune, Atlassian Jira, Microsoft Azure and Airtable.

What is The Cincinnati Specialty Underwriters Insurance Company's email format?

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The Cincinnati Specialty Underwriters Insurance Company's email format typically follows the pattern of First_Last@cinfin.com. Find more The Cincinnati Specialty Underwriters Insurance Company email formats with LeadIQ.
The Cincinnati Specialty Underwriters Insurance Company logo

The Cincinnati Specialty Underwriters Insurance Company

InsuranceOhio, United States51-200 Employees

The Cincinnati Specialty Underwriters Insurance Company (CSU) is a Delaware-domiciled, nonadmitted carrier that serves as the wholly owned subsidiary through which The Cincinnati Insurance Company provides local independent agents access to excess and surplus lines. Market access is facilitated through CSU Producer Resources Inc. (C-SUPR), the in-house E&S brokerage. The company is based in Hamilton, Ohio, and is part of the Cincinnati Insurance footprint. CSU operates across 43 active states and is an approved nonadmitted carrier in all 50 states and Washington, D.C. It holds an A+ (Superior) rating from AM Best, reflecting its underwriting strength. The arrangement places CSU within the Cincinnati Financial Corporation family, focusing on specialty underwriting for independent agents in the excess and surplus lines space.

Section iconCompany Overview

Website
cinfin.com
NAICS Code
524 - Insurance Carriers and Related Activities
Employees
51-200

Section iconFunding & Financials

  • $250M - $500M

    The Cincinnati Specialty Underwriters Insurance Company's revenue is estimated to be in the range of $250M - $500M

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