Marketing agency invoice template

If you run an agency, a marketing agency invoice template needs to do something many generic invoices cannot: keep your fees and your client’s media money visibly apart. A single total that mixes a retainer, a few thousand dollars of ad spend and a landing page build looks like one big number, and clients question big numbers. This page shows how to structure the invoice, what to include, which payment terms protect your cash flow and which mistakes cause the most disputes. The “Use this template” button opens the free generator with the sample lines filled in.

Why agencies bill differently

Agencies sell a bundle of different things, and each behaves differently on an invoice.

Retainers pay for access to your team over a period. They are recurring, predictable and usually billed in advance.

Pass-through costs such as ad spend, stock licenses and printing are not your revenue. You pay a platform or vendor and recover the money from the client. These need to be clear and, ideally, backed by a platform report.

Project deliverables like a landing page, a video script or a campaign build have a fixed scope and a fixed price. They sit outside the retainer unless the contract says otherwise.

Management fees are sometimes a percentage of ad spend, which means the fee changes every month. That calculation has to be visible.

Put all four on one invoice with no structure and the client cannot tell which line to approve against which budget.

What to include on a marketing agency invoice

Begin with the basics in our guide to what to include on an invoice. Then add:

• Client and campaign or project name. Large clients run many campaigns and want to book the cost to the right one.
• Billing period, shown clearly for retainers and ad spend.
• Retainer line with a short list of what is included.
• Ad spend lines by platform, such as Meta or Google, with the amount for the period.
• Management fee line with the percentage or rate stated.
• Deliverables each on their own line, with quantity and unit price.
• Out-of-scope or extra rounds as separate lines.
• Third-party costs such as licenses or printing, itemized.
• Purchase order number, if the client uses one.
• Terms, accepted payment methods and remittance details.

A worked agency invoice

Here is a month for a small ecommerce client. The agency runs a retainer, spent $3,200 on paid social, charges a 10% management fee on that spend and delivered a landing page. The numbers are sample values, and no tax is shown.

The agency’s own fees come to $5,970.00 (retainer, management fee, landing page and revisions). The ad spend is $3,200.00. The invoice total is $9,170.00. A client can see in a glance that roughly a third of the bill is media money.

Payment terms that work for agencies

Net 15 or net 30 covers most relationships. For pass-through costs, tighter terms make sense. If you pay the platform on the 1st and the client pays you 30 days later, you are lending money. Options include billing ad spend weekly, requiring a prepaid balance, or setting the ad spend line due on receipt while fees follow net 30.

Retainers in advance are standard. Bill on the first of the month for the month ahead. Our guide to invoice payment terms explains how due-on-receipt and net terms read on the page.

Project deposits protect you on larger builds. A common structure is half at kickoff and half at delivery, but use whatever your contract states.

If a client pays late, a polite reminder usually works first. Our guide on how to ask for payment includes wording you can adapt.

Pricing and itemizing tips

Name the deliverables. “Landing page copy and layout” is better than “creative services”. It maps to the proposal.

Show the management fee math. “Management fee, 10% of $3,200” lets the client check it in seconds.

Reconcile estimates. If you invoice before the month ends and ad spend changes, add an adjustment line on the next invoice rather than editing the previous one.

Limit revisions in writing. State how many rounds are included. Extra rounds belong on their own line at a stated rate.

Keep platform reports ready. A screenshot or export of the ad account’s spend for the period answers most questions before they are asked. Our invoice generator lets you add a note line for the report reference.

Common mistakes

• Folding ad spend into the retainer. The client cannot see what is yours and what is the platform’s.
• No billing period. Without dates, spend and fees cannot be reconciled.
• Unlisted scope. Retainers without a stated scope attract unlimited requests.
• Unclear management fee. Percentage-based fees need a visible base amount.
• Billing late. Invoice at the start of the retainer period and promptly after deliverables.
• Missing PO numbers. Bigger clients may not pay without one.

Checklist before you send

• Client, campaign and billing period are on the invoice
• Retainer line lists what is included
• Ad spend is a separate line with platform and period
• Management fee shows its rate and base
• Each deliverable has its own line
• Extra revision rounds are separate
• PO number is included when required
• Payment terms and remittance details are stated

Related templates and tools

Agencies often work alongside freelancers and consultants, so compare this layout with the consulting invoice template and the graphic design invoice template. To build your own, use the free invoice generator.

PayToMe is in public beta. Sign in at app.paytome.si to create estimates and invoices, send them by email with a pay link, get paid by card or bank transfer, and choose the Free, Pro or Business plan. Reminders, cash-flow forecasts, text-to-pay and the mobile app are in development. The free invoice generator still works in your browser with no account. This page is general information, not legal or tax advice.