Guides

The self-billing knowledge hub.

Clear, practical guides to UK self-billing — how it works, the agreement, VAT, the CIS reverse charge, CIS deductions, credit notes and more. General information, not tax advice.

What is self-billing?

Self-billing is an arrangement where the customer (the buyer) prepares the invoice on the supplier’s behalf and sends them a copy, i...

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How does self-billing work?

Self-billing works in five steps: put a written agreement in place with the supplier, raise the invoice yourself from the data you h...

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Self-billing agreements: what HMRC requires

A self-billing agreement is a written agreement between the customer and each supplier that must be in place before any self-billed...

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What a self-billed invoice must show

A self-billed invoice must include everything a normal VAT invoice does — both parties’ names, addresses and VAT numbers, a unique s...

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Self-billing and VAT explained

With self-billing, you add VAT to the invoice only where the supplier is VAT-registered — using the VAT number recorded in your agre...

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The CIS domestic reverse charge explained

The CIS domestic reverse charge is a VAT rule for construction, in force since 1 March 2021. For most construction services between...

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The 5% reduced-rate reverse charge

Some construction work is reduced-rated at 5% VAT — for example certain residential conversions and renovations. Where such work fal...

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Self-billing and CIS deductions

Under the Construction Industry Scheme, contractors deduct money from a subcontractor’s payment for labour and pass it to HMRC as an...

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Self-billing for non-VAT-registered suppliers

You can self-bill a supplier who isn’t VAT-registered — self-billing isn’t only for VAT-registered businesses. The difference is sim...

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Ending or renewing a self-billing agreement

A self-billing agreement ends on its expiry date, when either party withdraws, or when the supplier stops being VAT-registered. To k...

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Self-billing vs traditional invoicing

In traditional invoicing the supplier raises and sends the invoice; in self-billing the customer does it on the supplier’s behalf. S...

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Who can use self-billing?

Any UK business can use self-billing with a supplier, provided both sign a written self-billing agreement and follow the VAT invoice...

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Record-keeping for self-billing

For self-billing you must keep the signed agreements, a record of every supplier who has agreed (with their name, address and VAT nu...

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Making Tax Digital and self-billing

Making Tax Digital for VAT requires VAT-registered businesses to keep digital records and file returns through compatible software....

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Common self-billing mistakes to avoid

The most common self-billing mistakes are raising invoices without a valid agreement, showing VAT for a supplier who isn’t (or is no...

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Self-billing and credit notes

A self-billed credit note corrects a self-billed invoice — for example when an amount was overstated. Like the invoice, the customer...

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Bulk self-billing at scale

When you pay hundreds of suppliers a period, raising invoices one by one isn’t practical. Bulk self-billing lets you upload a CSV of...

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Self-billing invoice numbering & sequencing

Every VAT invoice, including a self-billed one, needs a unique sequential number. In self-billing the customer assigns the number wh...

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Sending self-billed invoices to suppliers

After you raise a self-billed invoice you send the supplier a copy for their records. Most suppliers simply receive a PDF by email —...

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Statements & remittance advice

A supplier statement lists every invoice and credit note you’ve raised for a supplier, with amounts paid, unpaid and an outstanding...

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