The world's specialist insurance and reinsurance marketplace, established in London in the 17th century. Lloyd's is not itself an insurance company but rather a marketplace where members join together in syndicates to underwrite insurance risks. The market separates capital provision (members) from underwriting expertise (managing agents). Lloyd's operates through a unique three-tier capital structure called the Chain of Security, which backs all policies written through the market. The Corporation of Lloyd's provides infrastructure and regulatory oversight, while syndicates conduct the actual underwriting. Lloyd's is known for insuring unique, complex, and high-value risks that may be difficult to place in standard markets.