Berkshire Hathaway

Berkshire Hathaway is a diversified holding company known for its extensive portfolio of subsidiaries across various industries. The company's primary business segment is insurance, with significant operations through Geico and Berkshire Hathaway Reinsurance Group, offering a range of products including property, health, and accident insurance. In addition to its insurance activities, Berkshire Hathaway has made substantial investments in sectors such as manufacturing, retailing, and energy. Key acquisitions include Burlington Northern Santa Fe, a major freight railroad, and Berkshire Hathaway Energy, which focuses on utility and energy distribution. The company’s diverse operations also encompass finance and financial products, making it a significant player in multiple markets.

Warren Buffett

Founder, CEO and Chairman

Past deals in Reinsurance

Chubb

Post in 2024
Chubb is a prominent insurance company headquartered in Zurich, Switzerland, established in 1985. It specializes in offering a comprehensive range of property and casualty insurance services tailored for both businesses and individuals. The company provides commercial and personal property and casualty insurance, as well as personal accident and supplemental health insurance. In addition to these services, Chubb also engages in reinsurance and life insurance, catering to a diverse clientele that includes multinational corporations and local enterprises. With its extensive portfolio, Chubb is committed to delivering innovative insurance solutions to meet the varied needs of its customers.

Alleghany

Acquisition in 2022
Founded in 1929, Alleghany is a diversified holding company with operations in property and casualty reinsurance, specialty insurance, and investment management. Its primary business segments include Reinsurance, offering various reinsurance products to insurance companies worldwide; Insurance, underwriting specialty insurance coverages through wholesale brokers and agents; and Alleghany Capital, engaged in precision machine tools manufacturing, real estate ownership and management, and private equity investments.

Aon

Post in 2021
Global professional services firm that provides risk management, insurance and reinsurance brokerage, retirement and healthcare solutions, human resources services, and outsourcing. Aon serves clients across industries worldwide with advisory, analytics, and outsourcing capabilities to help manage risk, optimize employee benefits, and support decision making. The company operates through specialized units and regional teams and maintains a significant data analytics and innovation presence, such as ACIA in Dublin, to develop new products and services across its divisions. Its offerings include risk consulting, actuarial services, insurance placement, and claims management, with a global footprint spanning numerous sectors including aerospace, construction, finance, healthcare, and energy.

Nederlandse Reassurantie Groep

Acquisition in 2007
Nederlandse Reassurantie Groep is a company that was acquired by Berkshire Hathaway in 2007.

General Re

Acquisition in 1998
General Re is a company that was acquired by Berkshire Hathaway in 1998.
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