Branded, VAT-aware invoicing for sole traders and small businesses. Sequential numbering, client and product memory, an invoice log and one-click PDF — VAT stays off until you cross the threshold, then switches on to produce fully HMRC-compliant VAT invoices, tax point and all.
Every invoice gets a unique, ordered number with no manual tracking — clean records HMRC will be happy with.
Under £90k? Invoices show no VAT. Register later and flip one switch in Settings — InvoiceIQ handles the rest.
Save a client or a product once and quick-add it next time — no re-keying addresses or line items.
Every invoice you've raised, with status — sent, paid, overdue — in one place you can actually find.
Export a clean, on-brand PDF ready to send, formatted the way a small business should look.
Pre-loaded to invoice for FinanceIQ and TradeIQ work — or any product line you add.
No per-seat SaaS, no features you'll never use — just fast, correct invoices and a tidy record, sized for a sole trader or a small team.

Compliant for the under-£90k sole trader out of the box, with a clean upgrade path when you register.
Numbering, client memory and the invoice log mean your records stay in order without extra admin.
Fill, save, export — a professional, branded invoice out the door in under a minute.
Below £90k you raise clean commercial invoices; register for VAT and InvoiceIQ produces invoices carrying every field HMRC requires — automatically — with records kept audit-ready from day one.
Once registered: the "VAT invoice" title, your VAT number, per-line rate, net, VAT total and gross — all added automatically, nothing to remember.
The time of supply is set on every VAT invoice, defaulting to the issue date — the field most templates quietly leave off.
Unique, unbroken invoice numbers with no gaps — the ordered audit trail HMRC expects to see.
Structured records you can keep and re-export for as long as HMRC requires you to retain them.
We structure your invoicing to current UK requirements but are not a tax or compliance authority; confirm your specific obligations with your accountant or HMRC. Full standards breakdown →
Every field HMRC requires on full, simplified and modified VAT invoices, plus sequential numbering rules, six-year retention and the errors to avoid.
Read the guide → InvoiceIQStatutory interest and compensation under the Late Payment of Commercial Debts Act, how to calculate what you’re owed, and how to actually collect it without damaging the client relationship.
Read the guide →We'll set it up with your details, your numbering and your product lines, ready to invoice on day one.