# United Kingdom VAT and invoicing guides

United Kingdom guides for small businesses: HMRC VAT invoices, VAT registration context, and billing habits that match GB expectations.

Canonical page: https://invoicemama.com/guides/uk

## United Kingdom guides

- [Construction Industry Scheme (CIS): United Kingdom guide](https://invoicemama.com/guides/uk/construction-industry-scheme-cis-guide): UK CIS for contractors: GOV.UK verify subcontractors, deduct labour not materials or VAT, issue statements, file CIS300, align invoices with HMRC CIS 340.
- [How to follow up on unpaid invoices in the United Kingdom](https://invoicemama.com/guides/uk/how-to-follow-up-unpaid-invoice-uk): UK unpaid invoice follow-up: verify bills, remind politely, log calls, then use statutory interest or legal advice with GOV.UK timing and HMRC-ready invoices.
- [How to invoice as a contractor in the United Kingdom](https://invoicemama.com/guides/uk/how-to-invoice-as-a-contractor-uk): UK contractor invoices: identity on the bill, CIS lines for construction, VAT after HMRC registration, payment terms, and Self Assessment records.
- [How to invoice as a freelancer in the United Kingdom](https://invoicemama.com/guides/uk/how-to-invoice-as-a-freelancer-uk): United Kingdom freelancer invoices: HMRC identity lines, VAT after registration, GOV.UK defaults, IR35 awareness, five-year Self Assessment records.
- [How to invoice as a sole trader in the United Kingdom](https://invoicemama.com/guides/uk/how-to-invoice-as-a-sole-trader-uk): UK sole trader billing: trading name and UTR on documents, VAT invoices when registered, MTD Income Tax software, and HMRC record rules for Self Assessment.
- [How to register for VAT in the United Kingdom](https://invoicemama.com/guides/uk/how-to-register-for-vat-uk): UK VAT registration steps: GOV.UK GBP 90,000 threshold, thirty-day rule, apply online, VAT number date, Making Tax Digital VAT Returns, fields on sales invoices.
- [Invoice payment terms in the United Kingdom](https://invoicemama.com/guides/uk/invoice-payment-terms-uk): UK invoice payment terms: GOV.UK default credit periods, net periods on quotes and bills, HMRC VAT alignment, statutory interest, and practical follow-up.
- [Making Tax Digital for sole traders in the United Kingdom](https://invoicemama.com/guides/uk/making-tax-digital-for-sole-traders): UK sole trader MTD Income Tax: GOV.UK qualifying income tests, April 2026 phased dates, digital records, quarterly updates, compatible software.
- [VAT domestic reverse charge for construction (United Kingdom)](https://invoicemama.com/guides/uk/vat-domestic-reverse-charge-construction): UK construction VAT reverse charge: CIS VAT-registered chains, end user notices, reverse charge invoice wording, buyer VAT Return entries. HMRC Notice 735.
- [VAT flat rate scheme for tradespeople (United Kingdom)](https://invoicemama.com/guides/uk/vat-flat-rate-scheme-tradespeople): UK VAT flat rate scheme for tradespeople: GBP 150k turnover test, sector rates, limited cost 16.5%, invoices, reverse charge overlaps, HMRC Notice 733.
- [What to include on a UK VAT invoice](https://invoicemama.com/guides/uk/what-to-include-on-a-uk-vat-invoice): UK VAT invoice checklist: HMRC full and simplified invoice fields, GBP 250 threshold, GB VAT numbers, tax points, and record requirements.

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