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Arch History

The Arch group of companies are among the most respected providers of innovative risk management solutions through our Insurance, Reinsurance and Mortgage underwriting platforms. Our current operations were launched in October 2001 to meet demand in the global insurance and reinsurance markets.  The combination of our underwriting platforms, our experienced management team and our strong capital base have enabled us to establish a market leading presence in the global insurance and reinsurance markets.  Our history demonstrates a disciplined approach to growth, and we invite you to learn more about us as we continue our journey.


  • Predecessor company, Risk Capital Holdings, Inc., is formed and pursues strategy of reinsurance underwriting and strategic investments in the insurance sector as a public company traded on the NASDAQ.
  • Robert Clements serves as Chairman.
  • Arch Capital Group Ltd. trades its common shares under the "ACGL" ticker on the NASDAQ.
  • A new underwriting initiative is pursued to meet current and future needs in the global insurance and reinsurance marketplace.
  • New management is brought into Arch to develop dual platforms in insurance and reinsurance.
  • Paul Ingrey joins to develop reinsurance operations and Constantine (Dinos) Iordanou joins to develop insurance operations.
  • Capital investment of $763 million for the new initiative is led by private investment funds associated with Warburg Pincus and Hellman & Friedman.
  • At the end of 2001, underwriting platforms include Arch Reinsurance Ltd. (Bermuda), Arch Reinsurance Company (U.S.), Arch Insurance Company (U.S.) and Arch Excess & Surplus Insurance Company (U.S.) (now Arch Property Casualty Company).
  • Arch concludes a public offering of 7,475,000 common shares with net proceeds of $179.2 million. Principal shareholders and certain other investors exercise class A warrants for proceeds of $74.3 million.
  • Arch executes on its underwriting initiative with $1.26 billion net premiums written for the year ended December 31, 2002 and adds Arch Specialty Insurance Company (U.S.) to its platform.
  • Acquisition of Arch Indemnity Insurance Company (U.S.) is completed, adding to the US insurance underwriting platform.
  • With over 800 employees, Arch's insurance group presence expands throughout the US.
  • Dinos Iordanou succeeds Peter Appel as Arch Capital Group Ltd. President and Chief Executive Officer.
  • A public offering of 4,688,750 common shares is concluded, with net proceeds of $179.3 million. This is followed by another public offering of $300.0 million principal amount of our 7.35% senior notes due May 2034 with net proceeds of $296.4 million.
  • Arch's insurance platform in Europe is expanded with the formation of Arch Insurance Company (Europe) Limited (U.K.) in London.
  • Paul Ingrey is elected Chairman of the Board, replacing Robert Clements.
  • Arch Insurance Company opens a Canada branch office in Toronto.
  • We establish a Swiss branch of Arch Reinsurance Ltd. to commence reinsurance underwriting activities in Switzerland.
  • We complete a public offering of $200 million of Arch Capital Group Ltd. series A preferred shares and $125 million series B preferred shares, both listed on the NYSE.
  • Arch signs an underwriting agreement with Flatiron Re to cede property and property cat reinsurance to a sidecar vehicle sponsored by Goldman Sachs and Farallon Capital.
  • We've grown to over 1,000 employees worldwide.
  • We form Arch Re Accident & Health ApS, a Danish underwriting agency, to write personal accident and workers compensation catastrophe business.
  • We launch our property facultative reinsurance underwriting operations, headquartered in Farmington, Connecticut.
  • We acquire assets of Wexford Underwriting Managers Inc. and begin writing excess workers compensation and other employers' liability insurance.
  • Our board authorizes commencement of a $1 billion share repurchase program.
  • We form Gulf Reinsurance Limited, a reinsurer based in the Dubai International Financial Centre, as a 50/50 joint venture agreement with the Gulf Investment Corporation to provide property and casualty reinsurance primarily in the member states of the Gulf Cooperation Council.
  • Our European reinsurance platform expands through the formation of Dublin-based Arch Reinsurance Europe Underwriting Designated Activity Company (formerly Arch Reinsurance Europe Underwriting Limited).
  • Our board increases our share repurchase program to $1.5 billion.
  • Our new Lloyd's Syndicate 2012 commences underwriting in London.
  • Dinos Iordanou is elected Chairman of the Board following Paul Ingrey's retirement.
  • Arch operations in South Africa and Australia open to underwrite business for our Syndicate 2012.
  • Standard & Poor's rates the financial strength of our operating companies "A+ (outlook Stable)".
  • Our common shareholders' equity exceeds $4.5 billion at year-end 2010.
  • Arch common shares surpass $100 per share and, as a result, we initiate a three-for-one split of our common shares.
  • Arch Mortgage Insurance Designated Activity Company (formerly Arch Mortgage Insurance Limited) an Irish-authorized company, opens for business.
  • Our investable assets are over $12 billion at year-end.
  • Our board authorizes an additional $1.0 billion for our share repurchase program.
  • Arch celebrates its 10th year anniversary.
  • Arch Capital Group Ltd. completes a public offering of $325 million of our series C preferred shares and redeems all series A and series B preferred shares.
  • We acquire Ariel Reinsurance Company Ltd.'s credit & surety reinsurance operations based in Zurich.
  • A.M. Best rates the financial strength of Arch operating companies "A+ (Superior)".
  • We announce our expansion into the U.S. mortgage insurance market through strategic acquisitions.
  • Arch Capital Group (U.S.) Inc. completes a public offering of $500 million senior notes guaranteed by Arch Capital Group Ltd.
  • Global employees number over 1,400 at year-end.
  • Arch Insurance Canada Ltd., a Canada domestic company, commences operations, replacing the Canadian branch office.
  • Arch closes on our acquisition of certain assets of PMI Mortgage Insurance Company, CMG Mortgage Insurance Company (now Arch Mortgage Insurance Company) and other companies to broaden our existing mortgage insurance and reinsurance capabilities.
  • Watford Re Ltd., a multi-line Bermuda reinsurance company, is launched with $1.133 billion of capital. Arch acts as Watford’s reinsurance manager, with Highbridge Principal Strategies, a subsidiary of JPMorgan Chase & Co., managing Watford’s investment assets. Watford Re receives an “A-” (Excellent) financial strength rating from A.M. Best.
  • Arch Mortgage Guaranty begins operations.
  • Standard & Poor’s upgrades Arch MI U.S. to A-.
  • Arch Capital Group Ltd. completes a public offering of $450 million of our series E preferred shares.
  • Arch Capital Finance LLC completes a public offering of $950 million senior notes guaranteed by Arch Capital Group Ltd.
  • We close on our acquisition of United Guaranty Corporation from AIG on December 31, 2016 making Arch the world’s largest mortgage insurer.
  • Standard & Poor’s upgrades Arch MI U.S. to A.
  • Arch and Kelso & Company sponsor the formation of Premia Holdings Ltd.
  • We close on our acquisition of United Guaranty Insurance (Asia) Limited from AIG. The company gets rebranded to Arch MI Asia Limited.
  • Arch Capital Group Ltd. completes a public offering of $330 million of our series F preferred shares and redeems all outstanding series C preferred shares.
  • Marc Grandisson succeeds Dinos Iordanou as Arch Capital Group Ltd. President and Chief Executive Officer.
  • Francois Morin named EVP and Chief Financial Officer of Arch Capital Group Ltd.
  • Arch Insurance acquires McNeil and Company, expanding its Managing General Agent capabilities in the U.S.
  • Global employees number over 3,600 at year-end.
  • Arch Insurance acquires the UK Commercial Lines business of the Ardonagh Group and forms the Arch UK Regional Division.
  • The Australian Prudential Regulation Authority (APRA) authorizes Arch LMI Pty Ltd as a lenders mortgage insurer. Arch LMI begins primary mortgage operations in Australia.
  • Arch Insurance (EU) dac receives authorization from the Central Bank of Ireland to expand classes of business it writes in the EU/EEA. Arch Insurance EU begins underwriting P&C, Motor and other business lines in addition to mortgage insurance.
  • Arch Insurance Company (Europe) changes its name to Arch Insurance (UK) Limited.
  • Arch Insurance (UK) Limited acquires Axiom Underwriting.
  • Arch Capital Group Ltd. acquires Barbican Group Holdings Limited.