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What is a company registration number?

A company registration number is a unique identification number assigned to companies by their national registration office. It is commonly used by companies in many operational and legal contexts.

If you are unfamiliar with this number or don't know which number has been assigned to your company then most countries have a central database or service which enables you to look up your registration number by searching your company name.

Please see this Wikipedia article for a overview of these company registers and the relevant websites available.

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