Brazil reinsurance tax changes enacted in September 2026 could encourage insurance groups to establish or expand local captive reinsurers, Fitch Ratings said. The phased reductions begin in 2027, narrowing the tax gap between domestic and international reinsurers, but Fitch does not consider the tax change alone a driver of credit ratings.
Key Takeaways
- Local reinsurers’ maximum nominal tax rate will fall in stages from 40% to 24% by 2030.
- Captive structures could become more attractive, but savings must outweigh capital, operating and compliance costs.
- Fitch expects international reinsurance capacity to remain important for diversification and high-severity risks.
Table of Contents
- Brazil reinsurance tax changes phase in from 2027
- Captive expansion depends on more than tax savings
- Foreign capacity remains a substantial part of the market
- Conclusion
Brazil reinsurance tax changes phase in from 2027
Law No. 15,525 was signed on September 28, 2026, and published the following day. Susep’s announcement of the reinsurance tax law confirms a reduction in the Social Contribution on Net Profit, known as CSLL, removal of the corporate income tax surcharge and changes to tax-loss compensation.
The CSLL rate for local reinsurers falls from 15% to 9% in 2027. Elimination of the 10% corporate income tax surcharge follows in 2030. Primary commercial insurers will continue to face the standard 40% statutory ceiling, creating a different tax treatment for the two businesses.
The framework also eases the traditional 30% limit on using accumulated tax losses and negative CSLL bases after three years. That change can accelerate recovery of deferred tax assets, alongside the reduction in taxes on earnings.
| Item | Details |
|---|---|
| Current local reinsurer tax ceiling | 40% maximum nominal rate on earnings. |
| 2027–2029 local reinsurer tax ceiling | 34%, following the CSLL reduction. |
| From 2030 | 24%, after elimination of the corporate income tax surcharge. |
| Primary commercial insurers | Standard statutory ceiling remains 40%. |
Captive expansion depends on more than tax savings
Fitch sees the law as a potential incentive for insurance groups to retain more risk in Brazil, including through captive reinsurers established within their groups. A lower local tax burden could improve the economics of those structures without necessarily making them worthwhile in every case.
Any savings must offset operating, capital, governance, compliance and retrocession costs. Retrocession allows a reinsurer to transfer part of its own risk to another reinsurer. Fitch also emphasized the need for economic substance and arm’s-length pricing.
Credit benefits would depend on execution, capital support and whether the arrangements strengthen the group’s consolidated financial profile. Stronger earnings and market growth could help, while greater concentration of Brazilian risks without sufficient diversification or retrocession could put credit profiles under pressure.
Foreign capacity remains a substantial part of the market
Brazil’s ceded reinsurance premiums totaled BRL15.27 billion in the first half of 2026, equivalent to 13.4% of insurance-market premiums excluding pension and savings bond business. Local reinsurers received BRL8.08 billion, or 52.9%, while foreign reinsurers received BRL7.19 billion, or 47.1%.
The foreign total comprised BRL3.59 billion placed with occasional reinsurers and BRL3.60 billion with admitted reinsurers, representing 23.5% and 23.6% of all ceded premiums, respectively.
Fitch does not expect tax reductions alone to prompt a broad transfer of ceded risks from foreign reinsurers to Brazil. Placement decisions also depend on credit quality, diversification and technical expertise, particularly for catastrophe and other high-severity exposures. Higher domestic retention is therefore not, by itself, evidence of stronger credit quality.
Conclusion
The first scheduled change is the CSLL reduction in 2027. Brazil reinsurance tax savings may support local capacity, but Fitch’s assessment will depend on how insurance groups fund and manage any expanded risk retention.
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