Contractor invoice
Contractor invoice template for UK project work.
Use this checklist for day-rate work, milestone billing, subcontracting, consultancy, and repeat client projects.
What to include
Make the invoice easy to approve.
Contractor invoices are often checked against timesheets, purchase orders, or milestone approvals. Include enough detail to avoid a payment delay.
Contractor details
- Your company or sole trader details.
- Client billing entity and contact.
- Purchase order or project reference.
- Invoice number and tax point date.
Work detail
- Work period or milestone.
- Day rate, hourly rate, or fixed fee.
- Approved days or hours.
- Expenses and receipts where agreed.
Tax fields
- VAT number and VAT rate if registered.
- Reverse charge wording if it applies.
- CIS deduction detail for construction subcontracting.
- Net, VAT, deductions, and gross totals.
Payment terms
- Due date, commonly 7, 14, or 30 days.
- Bank details and reference.
- Late-payment wording for business clients if used.
- Contact for disputes.
Example contractor invoice structure
INVOICE
Contractor: Northbridge Site Services Ltd
Client: Apex Homes Ltd
Invoice number: NB-0261
Period: 1 June 2026 to 5 June 2026
PO: APEX-4421
Site supervision: 5 days at GBP 280.00 = GBP 1,400.00
Travel expenses: GBP 74.00
Subtotal: GBP 1,474.00
VAT at 20%: GBP 294.80
Total due: GBP 1,768.80
Payment terms: 14 days
For construction work, check CIS and domestic reverse charge VAT rules before sending.
Turn project notes into invoices from WhatsApp.
WOPA helps contractors create clean invoice PDFs, email clients, and keep chasing visible.