Free Consulting Invoice Template
Consultants typically bill by day rate, on a recurring retainer, or per milestone, and often pass through expenses. Below is a worked consulting invoice example, the fields to include, and how to structure the charges.
Invoice
#1024 · Due in 14 days
Atlas Advisory
Bill to: Meridian Group — Operations
| Description | Qty | Rate | Amount |
|---|---|---|---|
| Strategy workshop (2 days @ day rate) | 2 | $1,500.00 | $3,000.00 |
| Implementation review | 3 | $250.00 | $750.00 |
| Monthly advisory retainer | 1 | $2,000.00 | $2,000.00 |
| Total due | $5,750.00 | ||
Engagement ref: ENG-2026-014. Net 15. Expenses billed separately.
What to include
- An engagement or SOW reference and the period covered.
- Day rate or retainer shown clearly, with the number of days/hours.
- Expenses as separate line items (travel, software), not folded into fees.
- Your tax/registration number if your jurisdiction requires it.
- Payment terms and a due date.
How to bill
- Day rate: multiply your rate by the number of days — keep the count visible.
- Retainer: a fixed recurring amount; invoice on the same schedule each period.
- Milestone: bill an agreed amount when a deliverable is accepted.
Skip the template — generate it
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