Free Consulting Invoice Generator
Bill by the hour, the day or the retainer — with totals, tax and a professional PDF handled for you.
Saved invoices
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Your business name
INVOICE
INV-001
Billed to
Client name
| Description | Qty | Rate | Amount |
|---|---|---|---|
| Item description | 1 | — | $0.00 |
- Subtotal
- $0.00
- Total
- $0.00
Invoicing consulting engagements
List each workstream or period as its own line — '12.5 hours — discovery interviews', 'Retainer: March advisory' — so the invoice reads like a summary of value delivered, not just a number. Decimal quantities are supported for hourly and day-rate billing.
Reference the engagement letter or statement of work in the notes, along with payment terms — consulting invoices commonly run net-30.
One month of a live advisory engagement
A boutique operations consultancy billing a logistics client for March. The engagement runs on a monthly advisory retainer, with day-rate work on top for an on-site diagnostic and half a day of partner time for the board readout. Follow-up analysis between sessions is billed hourly, and pre-approved travel is passed through at cost. Every rate here comes straight from the statement of work the client already signed.
| Description | Qty | Rate | Amount |
|---|---|---|---|
| Monthly advisory retainer — March 2026 | 1 | $4,500.00 | $4,500.00 |
| Operations diagnostic, on-site — senior consultant day rate | 6 | $1,650.00 | $9,900.00 |
| Board readout and recommendations — partner day rate | 0.5 | $2,800.00 | $1,400.00 |
| Follow-up data analysis — hourly | 7.5 | $225.00 | $1,687.50 |
| Travel and accommodation (at cost — receipts supplied separately) | 1 | $612.40 | $612.40 |
| Subtotal | $18,099.90 | ||
| Total due | $18,099.90 | ||
Each seniority level carries its own rate line and expenses sit apart from fees, so the client can check every line against the SOW before approving it.
Give finance what it needs to pay you
The engagement reference
There's no PO or project-code field here, so open the notes with the SOW or engagement-letter reference and the client's PO number — most finance teams won't release payment on a consulting invoice without one.
A line per rate, not per person
Split the work by the rate that applied — partner day, senior consultant day, analyst hour — rather than lumping it into 'consulting services', so the client can trace each line back to the agreed rate card.
The period the fee covers
Label retainers with their month ('Retainer — March 2026') so a year of identical monthly invoices never leaves anyone wondering whether one was paid twice.
Expenses shown at cost
Give pre-approved travel, software and subcontracted research their own lines marked 'at cost' and say in the notes that receipts follow, so disbursements are never mistaken for fees.
Net-30 terms and the approver
Set the due date 30 days out — the consulting norm — and name the approver or AP contact in the notes so the invoice lands with someone who can sign it off.
How to create an invoice online
- 1
Fill in the details
Add your business info, your client, line items, tax, and an optional logo or discount.
- 2
Watch the live preview
The invoice updates as you type, so you always see exactly what your client will receive.
- 3
Download the PDF
One click generates a clean, professional PDF invoice — free and without a watermark.
A simple invoice maker for freelancers and small businesses
Everything you need to bill a client properly — and nothing you don't. Create an invoice, check the live preview, download the PDF, get paid.
Instant PDF download
Generate a polished A4 invoice PDF in one click — no waiting, no email required.
No sign-up, no watermark
Completely free to use. Your invoice is yours, with no branding stamped on it.
Private by design
Everything happens in your browser. Your invoice data never touches a server.
Logo, tax & discounts
Add your logo, any tax label and rate (VAT, GST, sales tax), and percentage or fixed discounts.
Saves as you type
Your draft is stored locally in your browser, so an accidental tab close loses nothing.
20 currencies
Invoice in USD, EUR, GBP, INR, JPY and more, with correct rounding for each currency.
Frequently asked questions
How do I invoice a retainer?
One line item per period — 'Retainer: advisory services, March' with the agreed amount as the rate and quantity 1. Issue a fresh invoice each period with a new number.
How do I bill expenses?
Add each reimbursable expense as its own line item at cost — travel, software, materials — so the client can separate fees from pass-through costs.
Do consultants charge VAT or sales tax?
It depends on your registration and where your client is. If you're registered, set your label and rate; cross-border B2B services often shift the tax to the client — check your rules.
What invoice numbering should I use?
Any sequential scheme works — INV-001, 2026-014, or per-client prefixes. Keep it consistent so payments are easy to reconcile.