Document

Exhibit 21

SUBSIDIARIES OF REGISTRANT


Name						Jurisdiction of Incorporation

Alternative Re Holdings Limited						Bermuda

Alternative Re Limited						Bermuda

Alwyn Insurance Company Limited						Gibraltar

Arch Capital Finance (Ireland) Limited						Ireland

Arch Capital Finance LLC						Delaware

Arch Capital Group (Cayman) Ltd.						Cayman Islands

Arch Capital Group (U.S.) Inc.						Delaware

Arch Capital Holdings Ltd.						Bermuda

Arch Capital Services LLC						Delaware

Arch Corporate Member Limited						United Kingdom

Arch Credit Risk Services (Bermuda) Ltd.						Bermuda

Arch Europe Insurance Services Ltd						United Kingdom

Arch Financial Holdings Australia Pty Ltd						Australia

Arch Financial Holdings B.V.						Netherlands

Arch Financial Holdings Canada Ltd.						Canada

Arch Financial Holdings Europe I Limited						Ireland

Arch Financial Holdings Europe II Limited						Ireland

Arch Financial Holdings Europe III Limited						Ireland

Arch Financial Holdings Europe IV Limited						Ireland

Arch Financial Holdings (UK) Limited						United Kingdom

Arch Fund Management Ltd.						Bermuda

Arch Global Services (Cyprus) Ltd.						Cyprus

Arch Global Services (Philippines) Inc.						Philippines

Arch Global Services Holdings Ltd.						Philippines

Arch Group Foundation						Delaware


Arch Group Reinsurance Limited						Bermuda

Arch Indemnity Insurance Company						Missouri

Arch Insurance (EU) Designated Activity Company						Ireland

Arch Insurance (UK) Limited						United Kingdom

Arch Insurance Canada Ltd.						Canada

Arch Insurance Company						Missouri

Arch Insurance Group Inc.						Delaware

Arch Insurance Solutions Inc.						Delaware

Arch Intermediaries Group Limited						United Kingdom

Arch Investment Holdings (Cyprus) Ltd						Cyprus

Arch Investment Holdings I Ltd.						Bermuda

Arch Investment Holdings II Ltd.						Bermuda

Arch Investment Holdings III Ltd.						Bermuda

Arch Investment Holdings IV Ltd.						Bermuda

Arch Investment ICAV						Ireland

Arch Investment Management Ltd.						Bermuda

Arch Investment Property Holdings Ltd.						Bermuda

Arch Investments II LLC						Delaware

Arch Lenders Mortgage Indemnity Limited						Australia

Arch Life Insurance Company of America						Kansas

Arch LMI Pty Ltd						Australia

Arch Managing Agency Limited						United Kingdom

Arch MI Asia Limited						Hong Kong

Arch Mortgage Assurance Company						Wisconsin

Arch Mortgage Funding, Inc.						Delaware

Arch Mortgage Guaranty Company						Wisconsin

Arch Mortgage Insurance Company						Wisconsin

Arch Mortgage Risk Transfer Holdings Inc.						Delaware

Arch Mortgage Risk Transfer PCC Inc						District of Columbia



Arch Property Casualty Insurance Company						Missouri

Arch Re Underwriting ApS						Denmark

Arch Reinsurance Company						Delaware

Arch Reinsurance Europe Underwriting Designated Activity Company						Ireland

Arch Reinsurance Ltd.						Bermuda

Arch Services Holdings Inc.						Delaware

Arch Specialty Insurance Agency Inc.						Missouri

Arch Specialty Insurance Company						Missouri

Arch Syndicate Investments Ltd						United Kingdom

Arch U.S. MI Holdings Inc.						Delaware

Arch U.S. MI Services Inc.						Delaware

Arch Underwriters Inc.						Delaware

Arch Underwriters Ltd.						Bermuda

Arch Underwriters Europe Limited						Ireland

Arch Underwriting Agency (Australia) Pty Ltd.						Australia

Arch Underwriting Agency LLC						Delaware

Arch Underwriting at Lloyd’s Ltd						United Kingdom

Arch Underwriting at Lloyd’s (Australia) Pty Ltd						Australia

Arch US Investments, LLC						Delaware

Axiom Underwriting Agency Limited						United Kingdom

First American Service Corporation						Missouri

First Shield Consumer Service Corporation						Missouri

First Shield Consumer Service Corporation of Florida						Missouri

First Shield Service Corporation						Missouri

First Shield Service Corporation of Florida						Missouri

Gulf Re Holdings Limited						Jersey (Channel Islands)

Gulf Reinsurance Limited						Dubai International Financial Centre

McNeil & Company, Inc.						New York


Out of Towne, LLC						Virginia

Penflex Actuarial Services LLC						New York

Portico Corporate Member Ltd.						United Kingdom

Propeller, Inc.						Delaware

Republic Mortgage Assurance Company						North Carolina

Republic Mortgage Guaranty Insurance Corporation						North Carolina

Republic Mortgage Insurance Company						North Carolina

SALT Insurance Services Limited						United Kingdom

Somerset Bridge Group Limited						United Kingdom

Somerset Bridge Insurance Services Limited						United Kingdom

Somerset Bridge Ltd						United Kingdom

Somerset Bridge Shared Services Limited						United Kingdom

Soundview Claims Solutions Inc.						Delaware

Southern Rock Holdings Limited						Gibraltar

Southern Rock Insurance Company Limited						Gibraltar

Stoneshore Insurance Limited						Bermuda

Thomas Underwriting Agency Ltd						United Kingdom

United Guaranty Residential Insurance Company						North Carolina

United Guaranty Residential Insurance Company of North Carolina						North Carolina

United Guaranty Services, Inc.						North Carolina

Ventus Risk Management, Inc.						Delaware

Verifly Holdings Ltd						United Kingdom

Verifly Insurance Services, LLC						Delaware

Verifly USA, LLC						Delaware

Watford Insurance Company						Missouri