B
Liberty Surplus Ins Corp
Boston,  MA
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 overall profitability index (5.2). Excellent expense controls. Good liquidity (6.8) with sufficient resources (cash flows and marketable investments) to handle a spike in claims.
Other Rating Factors: Good overall results on stability tests (6.5) despite excessive premium growth and negative cash flow from operations for 2025. Stability strengths include good operational trends and excellent risk diversification. Strong long-term capitalization index (10.0) based on excellent current risk adjusted capital (severe and moderate loss scenarios), despite some fluctuation in capital levels.
Stability Factors: F - Negative cash flow. T - Significant trends in critical asset, liability, income or expense items.
Principal Lines of Business: Personal/comm auto (35.9%), comm multi (4.6%), fire (0.9%), med mal (0.8%), other (57.8%)
Licensed in: NH
Principal Investments: Investment grade bonds (37.4%), non investment grade bonds (0.6%), cash (0.2%), other (61.7%)
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
Net Premium Growth
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Investments in Affiliates
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Corporate Info
Group Affiliation
Liberty Mutual Holding Co Inc
Investment Rating
--
Company Address
175 Berkeley Street
Boston, MA 02116
Phone Number
(617) 357-9500
NAIC Number
10725
Largest Affiliates
B
Boston, MA - P&C
B
Boston, MA - P&C
B
Boston, MA - P&C
B
B