Third-Party Intermediaries
A third-party intermediary is an outside organization or individual that acts between a company and another party, such as a customer, supplier, or government body, often to represent the company or arrange transactions on its behalf. Common examples include agents, brokers, sales and marketing representatives, and comparison services. Because these parties act in the company's name or on its behalf, they can create compliance risks that the company may be held responsible for.
Third-party intermediaries (TPIs) are external entities engaged to represent, act on behalf of, or transact between an organization and a counterparty. In a corporate compliance context, TPIs commonly include agents authorized to represent the company, sales and marketing representatives, brokers, distributors, and similar business partners; the specific categories depend on the classification framework an organization applies during third-party due diligence. TPIs are a focus of compliance programs because conduct by an intermediary acting on a company's behalf can expose the company to liability, making TPI identification, classification, and risk-based due diligence a distinct component of a broader third-party risk management process. Note that in some sector-specific and jurisdiction-specific contexts, such as the UK retail energy market, 'Third-Party Intermediary' is a defined regulatory term referring to entities (for example, energy brokers and price comparison websites) that sit between customers and suppliers; whether and how TPIs are formally regulated varies by jurisdiction and sector and requires confirmation against the applicable regulatory regime. This entry is educational and not a substitute for qualified legal advice.
Why it matters
Third-party intermediaries occupy a position of elevated compliance risk precisely because they act in a company's name or on its behalf. When an agent, broker, or sales representative interacts with a customer, supplier, or government body, the conduct of that intermediary can be attributed to the engaging organization, meaning the company may bear responsibility for actions it did not directly carry out. This attribution of liability is why TPI identification, classification, and risk-based due diligence are treated as a distinct focus within third-party risk management rather than a routine procurement matter.
The risk is not uniform across all intermediaries. An entity authorized to represent the company, such as a sales and marketing representative empowered to negotiate on the company's behalf, generally presents different exposure than a party with a more limited or transactional role. For this reason, organizations classify third parties during due diligence and calibrate the depth of scrutiny to the risk each relationship presents. Due diligence on intermediaries is one component of a broader compliance program and does not by itself constitute a complete program.
The term also carries a jurisdiction- and sector-specific meaning that readers should not conflate with the general compliance usage. In the UK retail energy market, 'Third-Party Intermediary' is a defined regulatory term referring to businesses such as energy brokers and price comparison websites that sit between customers and suppliers to help consumers navigate the market and arrange contracts. Whether and how TPIs are formally regulated varies by jurisdiction and sector; the applicability of any particular regulatory regime should be confirmed against primary sources and, where consequences turn on it, with qualified legal counsel.
Who it's relevant to
Inside TPI
Common questions
Answers to the questions practitioners most commonly ask about TPI.