# Celtic Insurance Company

Celtic Insurance Company is an Insurance based in St. Louis, United States.

## Overview

- **Organization type:** Insurance
- **Headquarters:** St. Louis, United States
- **Region:** North America
- **Address:** 7700 Forsyth Boulevard, Saint Louis, MO 63105
- **Founded:** 2002
- **Assets under management:** Undisclosed
- **Website:** www.celticinsurancecompany.com
- **LinkedIn:** https://www.linkedin.com/company/celtic-insurance-company

## Regulatory record

- **Reports private funds:** No

## About

Celtic Insurance Company was founded and operated under Frederick J. Manning. Centene Corporation acquired the insurer in 2008. The company wrote health coverage across multiple states. It maintained underwriting relationships that included Magnolia Health Plan. Geographic reach centered on Missouri headquarters with additional offices in Chicago. Centene Charitable Foundation sits adjacent to the insurance operations. No public data track current headcount or investment deployment. Aaron Sisk served as Plan President and CEO of a related entity underwritten by Celtic. The 2008 sale to Centene remains the only dated ownership event on record. Regulatory filings continue through the National Association of Insurance Commissioners.

## Sectors

- Healthcare Services

## Offices

- Chicago, IL, United States

## People

- Frederick J. Manning — Former CEO

## Questions

### Who ran Celtic Insurance Company prior to the Centene acquisition?

Frederick J. Manning served as CEO. He later held an Executive VP role at Centene.

### What lines of business did Celtic underwrite?

The firm issued health insurance plans to individuals, families, and self-employed buyers on a national basis.

### How is Celtic Insurance Company connected to Centene Corporation?

Centene acquired Celtic in 2008 for approximately $82 million and integrated its operations.

### Where are Celtic's offices located?

Headquarters sit at 7700 Forsyth Boulevard in St. Louis, Missouri, with additional offices in Chicago.

## Related profiles

- [Celtic House Asia Partners](https://altss.com/profile/celtic-house-asia-partners)
- [Celtis Venture Partners](https://altss.com/profile/celtis-venture-partners)

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Last updated: 2026-06-03T20:00:00.000Z

Canonical page: https://altss.com/profile/celtic-insurance-company

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