Who writes mortgage guaranty in Missouri
From the Missouri company list; alphabetical, since Missouri doesn't publish every company's premium by line.
11 insurers are licensed for mortgage guaranty in Missouri on the regulator's list. Mgic Group wrote the most in 2025 (20.5% of the state's premium).
By Sam Alishahi, independent insurance broker · All lines in Missouri
The companies
| Company | NAIC | Home state | Status here | Lines |
|---|---|---|---|---|
| ARCH Mortgage Assurance Company | 29114 | WI | Admitted (licensed) | Mortgage guaranty |
| Arch Mortgage Guaranty Company | 18732 | WI | Admitted (licensed) | Mortgage guaranty |
| Arch Mortgage Insurance Company | 40266 | WI | Admitted (licensed) | Mortgage guaranty |
| Enact Mortgage Insurance Corporation | 38458 | NC | Admitted (licensed) | Mortgage guaranty |
| Enact Mortgage Insurance Corporation of North Carolina | 16675 | NC | Admitted (licensed) | Mortgage guaranty |
| Essent Guaranty, Inc. | 13634 | PA | Admitted (licensed) | Mortgage guaranty |
| MGIC Indemnity Corporation | 18740 | WI | Admitted (licensed) | Mortgage guaranty |
| Mortgage Guaranty Insurance Corporation | 29858 | WI | Admitted (licensed) | Mortgage guaranty |
| National Mortgage Insurance Corporation | 13695 | WI | Admitted (licensed) | Mortgage guaranty |
| Radian Guaranty, Inc. | 33790 | PA | Admitted (licensed) | Mortgage guaranty |
| United Guaranty Residential Insurance Company | 15873 | NC | Admitted (licensed) | Mortgage guaranty |
Method and source
Source: the Missouri insurance regulator company list, read 2026-10-18 and the surplus lines list. Admitted = every ACTIVE Missouri licensee (P&C, life, health, HMO, TPA, warranty, prepaid dental, etc.); filter on type. 'type' is the license Description from each company's detail page (e.g. 'Property and Casualty (Ch 379, RSMo)'); where a detail page was not read, type comes from Missouri market-share membership and is suffixed '(market share)'. 'lines' = lines of business with non-zero direct written premium in the 2025 Missouri market share report (licensed companies only). 'domicile' is only known for companies in the market share report. 'since' = Date Admitted from the detail page. Surplus lines list carries no NAIC code; naic filled by exact normalized-name match (naic_source says where), alien = domicile not a US state code. Detail-page crawl in progress; this file will be rewritten when it finishes. "Premium" is direct premium written in the state for the year shown; "share" is that company's part of the state total for the line. A company can be licensed for a line and write none of it, and a surplus lines insurer can write a line without a state license for it.
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