Consulting Invoice
Free consulting invoice template with engagement/PO reference, billing period, hours × rate lines and a retainer-applied line.
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Invoice Templates for Consultants
Consultants typically bill against an engagement letter or purchase order, by the hour or day, sometimes against a retainer. These templates include the reference fields corporate finance teams need and lines for time-based billing.
Hourly Invoice
Free hourly invoice template with date, description, hours and rate columns.
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Professional Invoice
Professional invoice template with PO reference, project field and a payment-details block for bank transfers.
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Tax Invoice
Free tax invoice template with supplier and customer tax numbers, date of supply, a tax rate per line and separate tax totals.
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Invoicing tips for consulting work
Quote the PO or SOW
Invoices without the client's reference are often held by accounts payable.
Bill expenses separately
List pass-through costs at cost with receipts.
Net 30 is normal for corporates
Agree terms in the engagement letter; see the Net 30 guide.
Useful guides
Net 30 Payment Terms: Meaning, Due Dates and ExamplesHow to count the 30 days, the common variants and the legal defaults.
Purchase Order vs Invoice (and Receipt): What's the Difference?Who issues each, the three-way match, requisitions and RFQs.
Invoice Email Templates: Sending, Deposits, Reminders and ReceiptsCopy-and-paste emails for sending invoices, deposits, reminders and receipts.