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The CWF1 form is used to register or re-register with HMRC as a sole trader. You can also register online.
 

When should I submit my CWF1 form?

What’s the difference between a CWF1 Form and a SA1 Form?

What do I need to include on a CWF1 form?

What happens after I submit a CWF1 form?

If you need to tell HMRC that you’re self-employed using a CWF1 Form, the deadline is 5th October in your second tax year. Make sure you register in enough time to submit your Self Assessment tax return to minimise the risk of receiving a penalty for late registration.

Submitting a SA1 Form signs you up for Self Assessment, but there are lots of different reasons why you might need to register. A CWF1 Form confirms to HMRC that you’re setting up your own business.
 

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The form will ask you for your personal details, National Insurance number, and the nature of your self-employed business. This includes the business name you plan to trade under, and the address where the business will operate.

HMRC will issue you with a Unique Taxpayer Reference (UTR) number, which you’ll need each time you submit a tax return.

As a self-employed person you’ll need to maintain good bookkeeping records which show how much money your business earns and what it spends. This information will help you complete your tax returns more easily, and make sure that you claim tax relief for any allowable expenses!

Learn more about our online accounting services for businesses. Call 020 3355 4047 to chat to the team, and get an instant online quote.

About The Author

Elizabeth Hughes

A content writer specialising in business, finance, software, and beyond. I'm a wordsmith with a penchant for puns and making complex subjects accessible. Learn more about Elizabeth.

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Confirm Transactions

The number of monthly transactions you have entered based on your turnover seem high. A transaction is one bookkeeping entry such as a sale, purchase, payment or receipt. Are you sure this is correct?

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VAT Returns

It is unlikely you will need this service, unless you are voluntarily registered for VAT.

Are you sure this is correct?

Yes, the business is VAT registered
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Call us on 020 3355 4047 if you’re not sure.

Bookkeeping

You will receive our bookkeeping software Pandle for free, as part of your package.

You can use this to complete your own bookkeeping, or we can provide a quote to complete your bookkeeping for you.

Please select and option below:

I will do my own bookkeeping
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Call us on 020 3355 4047 if you’re not sure.