Client vs Customer

When to use each in English, with meaning, register, and examples.

 ClientCustomer
MeaningA person or company that buys services.A person who buys goods or services.
CEFR levelB1A1
Part of speechnounnoun
Usage notesUsed in business contexts; suitable for both informal and formal situations. Avoid using in casual conversations unrelated to business.Use 'customer' in business contexts. It's suitable for both formal and casual situations. Avoid using it in very informal conversations where 'client' might be more appropriate.

Frequently asked questions: Client vs Customer

What's the difference between "Client" and "Customer"?

"Client" means: A person or company that buys services. "Customer" means: A person who buys goods or services.

When should I use "Client" and "Customer"?

They can all be used in everyday English.

Are "Client" and "Customer" the same CEFR level?

"Client" is at B1, "Customer" is at A1 on the CEFR scale.

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