This Practice Note sets out the essential concepts related to insurance brokers and agents. Intermediaries are either brokers or agents. The Consumer Insurance (Disclosure and Representations) Act 2012 (Commencement) Order 2013 defines situations when an intermediary is acting as an agent of a consumer. Within Lloyd’s of London, there are a number of different types of agents and brokers, such as placing brokers, managing agents, members' agents, and underwriting agents, which are regulated by the FCA and PRA. Professional indemnity insurance may cover acts by agents and brokers that result in loss, and this note describes some of the main terms of a professional indemnity policy such as the insuring clause, exclusions, the requirement to report claims and circumstances, subrogation and run-off.