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What you need to give us CIS Subcontractors

What you need to give us

To verify your income, calculate your return accurately, and ensure no mismatches with the information that HMRC holds for you, we will need the following items.

Bank Statements 

Please provide a CSV file of all your transactions within that tax year, you will find guidance on exporting CSV files in this support Hub. 


Please provide your invoices, so we can accurately match your payments and tax deductions received to your contractors

CIS Deduction statements

We need CIS deduction statements to support all the tax deductions you have suffered. 

You will find more guidance on CIS Deduction statements in this support hub

If you do not have your CIS deduction Statements

We understand that sometimes it may be difficult to get these records.

If you are missing anything, there are three options available to you:

  1. Contact your Contractor and ask them to provide your information
  2. Contact HMRC and ask them to post your information
  3. Ask us to submit an appeal for the information on your behalf

Cash Sales receipts

If your business receives cash payments, we will need the sales receipts to include these sales accurately.

The easiest way to do this

The easiest and most efficient solution to always providing this information is to trade through a business account and use accounting software such as QuickBooks.

QuickBooks can send invoices, match payments to customers and seamlessly sharing this information with your accountant. 

Quickbooks support hub
London Office

124 City Road

Cornwall Office

Penstranze Business Centre

Opening Hours

Monday to Friday 9am-5pm

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NJB Taxback Ltd

Kemp House
124 City Road