AM Best Assigns Credit Ratings to Tokio Marine Newa Insurance Co., Ltd.
AM Best has assigned a Financial Strength Rating of A (Excellent) and a Long-Term Issuer Credit Rating of “a+” (Excellent) to
The ratings reflect TMNewa’s balance sheet strength, which AM Best assesses as very strong, as well as its adequate operating performance, neutral business profile and appropriate enterprise risk management. The ratings also factor in the rating enhancement from its parent,
Established in 1999 by
TMNewa’s risk-adjusted capitalisation, as measured by Best’s Capital Adequacy Ratio (BCAR), was assessed at the strongest level at year-end 2025, and is expected to further improve over the short to intermediate term. The company’s capital and surplus (C&S) has grown robustly through full profit retention, in addition to significant recovery from four rounds of material capital injections from shareholders in 2022 and 2023, after experiencing material underwriting loss from pandemic-related products. Other supporting factors include a conservative investment portfolio heavily weighted toward cash and high-quality fixed-income investments, financial flexibility from shareholders and supportive liquidity.
AM Best views TMNewa’s operating performance as adequate, as demonstrated by a track record of favourable operating performance, apart from a one-time underwriting loss in 2022. The company reported modest top-line growth in 2025, partially attributed to slower expansion in the major motor and commercial fire lines, following a period of double-digit expansion between 2022 and 2024. The return on equity (based on adjusted C&S) was 25.7% in 2025, supported by an improved net loss ratio, due to continued control over claims experience in two major product lines. The expense ratio benefits from the company’s sustained control over management expenses and commissions, along with the increased scale, and remains below the market average. The company’s investment portfolio continues to generate favourable results, supported by steady income streams from interest and dividend. Going forward, TMNewa is targeting profitable growth in non-motor business lines, including fire and liability insurance for small to medium-sized enterprises, while being disciplined on large commercial risks.
As a subsidiary of TMNF, the company receives various implicit support from TMNF, including management oversight, risk framework and governance, underwriting know-how, product development, investment and innovation.
Negative rating actions could occur if there is a material deterioration in TMNewa’s balance sheet strength assessment. Negative rating actions also could arise if there is a reduced level of support from the parent company, which may have a negative impact on TMNewa’s ratings. Although it is unlikely in the near term, positive rating actions could occur if TMNewa is able to achieve sustained improvement in its operating performance, while its balance sheet strength fundamentals remain robust.
Ratings are communicated to rated entities prior to publication. Unless stated otherwise, the ratings were not amended subsequent to that communication.
This press release relates to Credit Ratings that have been published on AM Best’s website. For all rating information relating to the release and pertinent disclosures, including details of the office responsible for issuing each of the individual ratings referenced in this release, please see AM Best’s Recent Rating Activity web page. For additional information regarding the use and limitations of Credit Rating opinions, please view Guide to Best’s Credit Ratings. For information on the proper use of Best’s Credit Ratings, Best’s Performance Assessments, Best’s Preliminary Credit Assessments and AM Best press releases, please view Guide to Proper Use of Best’s Ratings & Assessments.
AM Best is a global credit rating agency, news publisher and data analytics provider specialising in the insurance industry. Headquartered in
Copyright © 2026 by A.M. Best Rating Services, Inc. and/or its affiliates. ALL RIGHTS RESERVED.
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Source: AM Best


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