Insurance is a means of protection from financial loss in which, in exchange for a fee, a party agrees to compensate another party in the event of a certain loss, damage, or injury. It is a form of risk management, primarily used to protect against the risk of a contingent or uncertain loss.
Lloyd's of London, generally known simply as Lloyd's, is an insurance and reinsurance market located in London, United Kingdom. Unlike most of its competitors in the industry, it is not an insurance company; rather, Lloyd's is a corporate body governed by the Lloyd's Act 1871 and subsequent Acts of Parliament. It operates as a partially-mutualised marketplace within which multiple financial backers, grouped in syndicates, come together to pool and spread risk. These underwriters, or "members", are a collection of both corporations and private individuals, the latter being traditionally known as "Names".
Alleghany Corporation is an American investment holding company originally created by the railroad entrepreneurs Oris and Mantis Van Sweringen as a holding company for their railroad interests. It was incorporated in 1929 and reincorporated in Delaware in 1984. On March 21, 2022, Berkshire Hathaway made an $11.6 billion offer to acquire the company, which completed in October 2022.
Financial services are economic services tied to finance provided by financial institutions. Financial services encompass a broad range of service sector activities, especially as concerns financial management and consumer finance.
Fairfax Financial Holdings Limited is a Canadian financial holding company based in Toronto, Ontario, engaged in property, casualty, insurance and reinsurance, investment management, and insurance claims management. The company operates primarily through several subsidiaries, including Allied World, Odyssey Re, Northbridge Financial, Crum & Forster, Verassure Insurance, Onlia Agency Inc., and Zenith Insurance Company. The company was also the largest shareholder of Torstar with 40% of the Class B shares, as of May 2020.
Underwriting (UW) services are provided by some large financial institutions, such as banks, insurance companies and investment houses, whereby they guarantee payment in case of damage or financial loss and accept the financial risk for liability arising from such guarantee. An underwriting arrangement may be created in a number of situations including insurance, issues of security in a public offering, and bank lending, among others. The person or institution that agrees to sell a minimum number of securities of the company for commission is called the underwriter.
The Ambac Financial Group, Inc., generally known as Ambac, is an American holding company. Its subsidiaries provide financial guarantee products such as bond insurance to clients in both the public and private sectors globally. Ambac Assurance is a guarantor of public finance and structured finance obligations. Its common stock and common stock purchase warrants are listed on the NYSE under the symbols AMBC and AMBCW respectively. Ambac is regulated by the insurance commission of Wisconsin. It has its headquarters in Lower Manhattan, New York City.
Markel Group Inc. is a group of companies headquartered in Richmond, Virginia, and originally founded in 1930 as an insurance company.
Fireman's Fund Insurance Company was an insurance company based in Petaluma, California which provided personal, commercial property, and casualty insurance products in the United States. The company was a principal U.S. subsidiary of Allianz, a global financial services company.
The Hartford Financial Services Group, Inc., usually known as The Hartford, is a United States-based investment and insurance company. The Hartford is a Fortune 500 company headquartered in its namesake city of Hartford, Connecticut. It was ranked 160th in Fortune 500 in the year of 2020. The company's earnings are divided between property-and-casualty operations, group benefits and mutual funds.
Axa XL is an American subsidiary of global insurance and reinsurance company Axa. It is headquartered in Stamford, Connecticut, domiciled in Hamilton, Bermuda, and has more than 100 offices on 6 continents.
Tokio Marine HCC is an international insurance group with offices across the United States, the United Kingdom, Spain, and Ireland. The company is based in Houston, Texas, U.S.A., but has major offices in Atlanta, Barcelona, Boston, Chicago, Dallas, Detroit, Farmington (CT), Frederick (MD), Ireland, Leicester (UK), London, Los Angeles, Madrid, Mount Kisco (NY), and New York City.
Insurance Company of North America (INA) is the oldest stock insurance company in the United States, founded in Philadelphia in 1792. It was one of the largest American insurance companies of the 19th and 20th centuries before merging with Connecticut General Life to form CIGNA in 1982, and was acquired by global insurer ACE Limited in 1999.
Robert W. Baird & Co. is an American multinational independent investment firm and financial services company. It is the principal U.S. operating subsidiary of Baird, an international, employee-owned financial services firm providing investment banking, capital markets, private equity, wealth management, and asset management services to individuals, corporations, institutional investors, and municipalities.
Catlin Group Limited was a Bermuda-based specialty insurance and reinsurance company. Catlin operated six underwriting hubs worldwide and operated more than 55 offices worldwide. It owned the largest syndicate at Lloyd's of London, based on 2011 gross written premiums. Catlin shares were listed on the London Stock Exchange until it was acquired by XL Group plc in May 2015.
Hiscox Ltd. is an Anglo-Bermudan insurance provider, listed on the London Stock Exchange. An underwriter at Lloyd's of London, the company largely specialises in niche areas of the market, offering property and casualty insurance aimed at companies and high-net-worth individuals, as well as cover against such risks as hacking, kidnapping and satellite damage. The company is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.
AmTrust Financial Services, Inc., is a New York City-based multinational property and casualty insurance company, offering workers’ compensation, general liability, business owners policies (BOP), cyber liability, employment practices liability (EPLI) and more. Operating through its subsidiaries, its operations are divided into three segments: small commercial business insurance, specialty risk and Extended Warranty insurance, and Specialty Middle-Market Property and Casualty insurance. The company's main regions of operations are North America, United Kingdom, and mainland Europe. AmTrust is rated “A−” (Excellent) by AM Best Company. Barry Zyskind is the chairman and CEO.
Intact Financial Corporation is a Canadian multinational property and casualty insurance company. Originally established in 1809 as the Halifax Fire Insurance Association, it was later acquired by Nationale-Nederlanden and from 1993 to 2009 was a subsidiary of the Dutch multinational ING Group under the name ING Canada. Intact Financial directly underwrites insurance through its subsidiary companies Intact Insurance and Belair Insurance, as well as operating additional brokerage, insurance service, and damage restoration subsidiaries. As of 2017, Intact was the largest provider of property and casualty insurance in Canada by annual premiums.
Brian Charles Duperreault is a Bermuda-born American executive in the insurance industry. He stepped down as executive chairman of American International Group in December 2021.
Argo Group International Holdings, Ltd, or Argo Group (NYSE: ARGO), is a Bermuda-based international underwriter of specialty insurance products in the property and casualty market.
US$7.536 Billion (Fiscal Year Ended 31 December 2020) [1] 
US$27.542 Billion (Fiscal Year Ended 31 December 2020) [1] 
