B
National Surety Corp
Chicago,  IL
Rating Date
June 2026
NAIC
Classification
Risk Adjusted
Capital Ratio #1
Risk Adjusted
Capital Ratio #2
Loss
Ratio
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Total
Assets
Capital
Net
Premiums
Net
Income
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Major Rating Factors: Fair reserve development (3.6 on a scale of 0 to 10) as reserves have generally been sufficient to cover claims. Good profitability index (4.9). Excellent expense controls. Good overall results on stability tests (6.7) despite excessive premium growth. Stability strengths include good operational trends and excellent risk diversification.
Other Rating Factors: Strong long-term capitalization index (10.0) based on excellent current risk adjusted capital (severe and moderate loss scenarios). Moreover, capital levels have been consistent in recent years. Excellent liquidity (7.0) with ample operational cash flow and liquid investments.
Stability Factors: D - Limited diversification of general business, policy, and/or investment risk. T - Significant trends in critical asset, liability, income or expense items.
Principal Lines of Business: Work comp (98.6%), comm multi (0.6%), other (0.9%)
Licensed in: All states and PR
Principal Investments: Investment grade bonds (98.9%), cash (0.9%), other (0.2%)
Ratios
Premium to Surplus
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Reserve to Surplus
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1-Year Reserve Development
2-Year Reserve Development
Expense Ratio
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Combined Ratio
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Cash From Underwriting
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Net Premium Growth
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Investments in Affiliates
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Corporate Info
Group Affiliation
Allianz SE
Investment Rating
ALV
Company Address
155 North Wacker Drive
Chicago, IL 60606
Phone Number
(888) 466-7883
NAIC Number
21881
Largest Affiliates
C
New York, NY - L&A
B
Petaluma, CA - P&C
B
Chicago, IL - P&C