Third-Party Intermediary
A third-party intermediary is an outside person or organization that sits between two parties, such as a customer and a supplier, and helps facilitate transactions, negotiations, or interactions between them. In many settings this includes brokers who find, negotiate, and arrange contracts on a customer's behalf. The specific activities and any regulatory obligations attached to intermediaries generally depend on the jurisdiction and sector in which they operate.
A third-party intermediary (TPI) is an external entity that offers intermediation services between two contracting parties, facilitating transactions, negotiations, or interactions and helping one party navigate a marketplace to secure contracts. In some sectors, such as UK energy, the term denotes any organization positioned between a customer and a supplier, including brokers who source and negotiate arrangements; in law or diplomacy it more broadly describes a third party providing intermediation between two parties. Whether a given intermediary is subject to formal regulation varies by jurisdiction, sector, and entity type, and the evidence here reflects specific contexts (notably UK energy) rather than a universal regulatory standard. This entry is educational and not legal, audit, or compliance advice.
Why it matters
Third-party intermediaries occupy a position of trust and influence between contracting parties, which makes them a significant focus for compliance functions. Because an intermediary acts on behalf of, or between, principals to facilitate transactions and negotiations, its conduct can expose the parties it serves to reputational, contractual, and, depending on the sector and jurisdiction, regulatory consequences. The evidence here draws on specific contexts, notably the UK energy market, where a TPI is described as any organization that sits between a customer and a supplier, including brokers who find and negotiate arrangements, rather than a single universal standard.
The compliance relevance of intermediaries generally turns on the fact that their activities may not be directly visible to the parties relying on them. Where an intermediary sources, negotiates, or arranges contracts on a customer's behalf, the customer depends on the intermediary's representations and conduct to navigate a marketplace and secure appropriate terms. This dependency is one reason intermediary arrangements attract governance attention and, in some sectors, evolving regulatory interest; in the UK energy context the digest references consideration of regulating TPIs, though the specific scope and status of any such regime depend on the responsible authorities and are outside what can be confirmed here.
Whether and how an intermediary is regulated varies by jurisdiction, sector, and entity type. In law or diplomacy the term describes broadly a third party offering intermediation between two parties, while in a market context it may denote a broker or agent facilitating trade. Organizations should treat the presence of an intermediary as a factor to assess on its own facts rather than assume a fixed set of obligations applies. This entry is educational and not legal, audit, or compliance advice.
Who it's relevant to
Inside TPI
Common questions
Answers to the questions practitioners most commonly ask about TPI.