Sirius Bermuda History

2003
White Mountains Underwriting (Bermuda) Ltd. formed. The Company provides marine underwriting advisory services to an affiliated company, Folksamerica.
2006
White Mountains Re Underwriting Services provides U.S. and International property catastrophe underwriting advisory services to Folksamerica and Sirius International.
2008
White Mountains Re Bermuda Ltd. was formed as a Bermuda-based operating company writing U.S. and International property catastrophe business on its own balance sheet.
2009
White Mountains reorganizes the reinsurance group, converting White Mountains Re Bermuda Ltd. operations into a branch office of Sirius International.
2014
An intermediate Bermuda holding company is converted into Sirius Bermuda, Ltd., a reinsurance operating company.
2016
Sirius Bermuda obtains its Class 4 license from the Bermuda Monetary Authority and begins underwriting Property Cat business.
Sirius Group is acquired by CM International Holding Pte. Ltd. ("CMIH”). CMIH is a Singapore based investment holding company owned by private investors.
2017
Sirius Bermuda begins underwriting Accident & Health, Casualty and Property Reinsurance.
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