
Who writes financial guaranty in North Carolina
Ranked by direct premium written in 2025 from the North Carolina market share report (every company, not a top-N list).
2 companies wrote financial guaranty in North Carolina in 2025, $912,238 in direct premium. Ambac Assurance Corporation led with 98.3%; the top five hold 100%. 5 companies are licensed for the line.
By Sam Alishahi, independent insurance broker · All lines in North Carolina
The companies
| # | Company | NAIC | Home state | Status here | Premium | Share |
|---|---|---|---|---|---|---|
| 1 | Ambac Assurance Corporation | 18708 | WI | Admitted (licensed) | $896,438 | 98.27% |
| 2 | Build America Mutual Assurance Company | 14380 | NY | Admitted (licensed) | $15,800 | 1.73% |
Method and source
Source: the North Carolina insurance regulator company list, read 2026-10-18 and the surplus lines list. NCDOI P7 Property and Casualty Experience, year ended 12/31/2025: every company that filed an NC state page (P&C annual statement). 'admitted' = rows whose 'Licensed in NC' column reads 'Licensed' (includes zero-premium licensed companies and NC self-insured workers' comp funds, which have no NAIC code and type 'Self-Insured Workers' Compensation'). 'surplus_lines' = rows reading 'Authorized Surplus Lines Writer' (US nonadmitted insurers that wrote NC surplus lines business that year; alien/Lloyd's not broken out, eligible date not given). Rows 'Not Licensed' or blank (mostly risk retention groups) are dropped. 'type' = Business Type / Company Type [/ Company Sub Type]; all rows are Property and Casualty filers (no life/health in this file). 'lines' = NAIC annual-statement lines of business the company reported in NC with direct premium written or earned > 0 that year (lines actually written, not certificate-of-authority lines). 'since' not given. Status counts in file: {'Licensed': 825, '': 73, 'Authorized Surplus Lines Writer': 193, 'Not Licensed': 39}. "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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