How do I invoice for consulting hours?
Add a line with the task description, the number of hours, and your hourly rate — the amount calculates automatically. Repeat per task or workstream.
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Free Consultant Invoice Template
Invoice consulting work the professional way — hourly, day rate, fixed project or monthly retainer, with deliverables and expenses. Free, no signup.
Last updated: July 13, 2026
Consultant invoice template (all billing methods)
Consultants bill in several ways, and your invoice should make the basis crystal clear so there's no back-and-forth. This free template handles hourly, day-rate, fixed-project and retainer billing, plus expenses and deliverables — download a clean PDF in under a minute.
Choose your billing method
| Method | How to invoice it | Best for |
|---|---|---|
| Hourly | Hours × hourly rate per task | Ad-hoc / variable scope |
| Day rate | Days × day rate | On-site or blocked days |
| Fixed project | One agreed fee (or milestones) | Defined deliverables |
| Retainer | Monthly fixed amount | Ongoing advisory |
What to put on a consulting invoice
- Your name/firm, address and (if registered) VAT number
- Client and project/engagement reference
- A line per deliverable or work block — description, quantity (hours/days), rate
- Reimbursable expenses (travel, software, subcontractors) as separate lines
- Subtotal, VAT/tax and total due
- Clear payment terms (Net 30 is common) and a late-fee clause
- Bank/IBAN payment details
What consultants most often forget
- Payment terms — always state a due date, not just "on receipt"
- A late-fee clause — protects longer engagements
- VAT breakdown if you're registered
- Scope limits for revisions or extra rounds, to avoid unpaid extra work
Set your rate with the hourly rate calculator, and chase overdue fees with the payment reminder generator.
How to create it
- Open the invoice generator
- Add your firm and the client/engagement
- Add hourly/day/project lines and any expenses
- Set your tax rate and Net-30 terms
- Download the PDF (and e-invoice XML if you need it)
Frequently Asked Questions
Should a consultant invoice show VAT?
If you're VAT/GST registered, yes — add your registration number and a VAT line. If not registered, leave tax at 0%.
How do I invoice a retainer?
Add a single line such as "Monthly advisory retainer — July 2026" with the fixed amount. Set it recurring in Pro, or reissue each month.
Can I add travel and expenses?
Yes — add each reimbursable expense (travel, software, subcontractors) as its own line so the client sees the breakdown.
What payment terms should consultants use?
Net 30 is common for corporate clients; Net 14 gets you paid faster with smaller clients. Always include a due date and consider a late-fee clause.
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