Client vs. customer

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The nouns client and customer are sometimes used interchangeably—especially by businesses seeking to show customers extra respect by referring to them as “clients”—but the words differ in their conventional definitions.


A client is someone who engages the services of a professional. For example, lawyers, plumbers, freelance writers, accountants, and web designers often work for clients. So these writers use the word well:

Provincial court Judge Brian Stevenson agreed with defence counsel Jim Lutz such a prohibition was warranted to preserve his client’s right to a fair trial. [Toronto Sun]

Brokers don’t have to act in a client’s best interest when dispensing advice, but a new study from the Securities and Exchange Commission recommends changing that. [The Baltimore Sun]

The agent for Carson Palmer reiterated Monday his client’s desire to part with the Bengals this offseason. []


A customer buys goods or services from a business (rather than an individual or group of professionals). So it works well in these sentences: and its parent,, provide the best customer service, according to a survey commissioned by the National Retail Federation Foundation and American Express. [The Consumerist]

Jim Carlson, the shop’s owner, referred to the man as a regular customer. [Duluth News Tribune]

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