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What is a company number?
A company number (also known as a company registration number) is an eight-digit number that is assigned by Companies House to a company upon incorporation.
Where to find your company number:
1. Search on Companies House
Honestly, the easiest way to find your company number rather than sifting through documents is just to search on Companies House. You can easily search the companies house register by your company name.
2. Your certificate of Incorporation
You can locate the number on your certificate of incorporation. The first digit of the company number is usually a zero, and is omitted in most instances. As such, your certificate of incorporation will show a seven-digit company number.
Book a free consultation to get assistance with your company filing and accounting needs.
Read more limited company set up guides
Our sole trader vs limited company calculator helps you determine the most tax-efficient business structure by comparing your potential take-home income, National Insurance contributions, and Corporation Tax liabilities. Simply input your expected annual profit to receive an instant comparison showing which option could save you money with HMRC.
We walk through every step of the Limited Company registration process to help you understand whether you should start the limited company registration process.
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