Free invoice template
Marketing consultant invoice template
Consulting retainers should produce the most boring invoice in this collection — one line, the same every month — because the interesting part ships separately as the report. The sample also states the ad-spend boundary, the line clients most often misread.
Opens in the free editor with the sample below pre-filled — swap the numbers for yours.
What belongs on a marketing consultant invoice
"Month 2 of 3" on the line keeps the engagement's shape visible and makes the final invoice unsurprising.
"Ad spend is billed directly to your accounts" on every invoice prevents the month-three shock when a client conflates your fee with the budget you manage.
"Monthly report attached" ties the fee to delivered evidence. Retainers get cancelled when the invoice is the only artifact the client sees.
The preview uses the Classic layout — you can switch between all three templates in the editor without losing a word.
Quoting the job before it’s won? There’s a marketing consultant quote template too — your client accepts it online, and one click turns it into this invoice.
Marketing consultant invoicing questions
Invoice in advance or arrears?
Retainers bill in advance — the fee reserves capacity. Deliverable-based project work bills in arrears. Mixing the two models on one engagement is where disputes start.
How do I bill work outside the retainer?
A separate line (or separate invoice) referencing the written approval. The retainer line should never quietly grow.