Captive Insurance CompanyFree Financial Model Download
Project captive insurer underwriting profit and capital adequacy with realistic claims timing, combined ratio improvements, and reinsurance program design. Model premium income across insurance lines and evaluate different retention levels to optimize capital efficiency.
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About this model
A captive insurance company model projects underwriting profit, investment income, claims reserves, and dividend capacity to show whether the parent company can save money by self-insuring its own risks through a captive subsidiary rather than buying commercial policies. The model answers how much capital is required at formation, how quickly the captive returns profit to the parent through dividends, and whether the target return on invested assets (float income) is achievable.
Premium revenue flows in from the parent, calculated using actuarial transfer pricing to reflect the true cost of the parent's insurable risks. Net earned premium equals gross written premium less the reinsurance cession to a fronting carrier. Incurred losses and loss adjustment expenses (LAE) are modelled using a vintage-based payout pattern: 50% in the year of loss, 30% in year +1, 20% in year +2 (tail). Investment income is earned on the float (the lag between premium collection and claims payment), scaled by a bond portfolio yield (4.5% typical on short-duration investment-grade bonds). Operating expenses include captive management fees (10% of GWP), actuarial and audit (2.5% combined), legal and regulatory compliance, directors' fees, and Vermont insurance premium tax (0.214%). Dividend capacity is calculated from prior-year surplus and is constrained by Vermont's ordinary dividend rule (maximum 10% of surplus or prior-year net income, whichever is less).
Parent companies, risk managers, and insurance brokers use captive models to quantify premium savings vs. commercial insurance, stress-test the captive under catastrophe scenarios (spike in incurred losses, extended reserves), and project the cumulative dividend stream back to the parent over a 10-year time horizon.



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Formatted to IB standards.
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- Brand-ready
- Institutional grade
- Fully auditable
What's included
- Premium income by insurance line: property, casualty, workers compensation
- Claims frequency and severity assumptions with loss triangle development
- Combined ratio tracking: loss, LAE, and underwriting expense versus premium
- Reinsurance program with retention limits, excess layer costs, and aggregate limits
- Capital adequacy and loss reserve calculations
Built for captive underwriting economics
Model each insurance line separately with line-specific loss frequency, severity, and expense ratios rather than forcing a generic insurance template.
Reinsurance program design and optimization
Evaluate different retention levels and excess layer costs to find the structure that optimizes capital efficiency and tax treatment.
Claims development and reserve adequacy
Build a loss triangle to forecast ultimate claims costs and test whether loss reserves are sufficient over time.
Frequently asked
What is a captive insurance company?+
A captive is an insurance entity formed by a parent company to underwrite its own risks, capturing underwriting profit and improving risk management control.
What is combined ratio and what is profitable?+
Combined ratio equals losses plus loss adjustment expense plus underwriting expense, divided by premium. A ratio below 100% means underwriting profit; above 100% means a loss.
How do I estimate loss frequency and severity?+
Use historical actuals from the parent company where available. Otherwise apply industry benchmarks; severity often follows a lognormal distribution.
What is a reasonable retention limit?+
Retentions typically range from 10 to 50 percent of expected losses, depending on parent company risk tolerance and capital position.
Who uses captive insurance models?+
Risk managers, captive managers, insurance investors, and CFOs use them for captive establishment business plans, annual actuarial reviews, and reinsurance procurement decisions.
Alex Tapio
Founder of Finamodel • Professional Financial Modeller • Ex-Deloitte
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