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Marketing Agency Invoice Template

This template is for marketing agencies and freelance marketers who bill a client every month for ongoing work: a retainer for content, social, SEO or email, a fee for managing paid media, any approved extra work, and sometimes the ad spend itself. The difficulty with marketing invoices is that they mix the agency's own revenue with money that belongs to the media platforms. A clear invoice keeps them apart: the retainer with the scope delivered that month, the management fee with the calculation behind it, the ad spend by platform at cost with a reference to the platform's billing report, and out-of-scope work with the date it was approved. That lets the client's finance team check every line against the contract and the ad accounts. If you run a creative or digital agency billing project phases and team hours rather than retainers and media, the general agency invoice template suits you better. The download is an editable HTML file with an invoice header, a line table and fields for the billing period, retainer scope, management fee, pass-through spend and approved extras. Fill it in your browser, then print it or save it as PDF.

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Download the HTML file to edit its fields, then print or save as PDF. Totals are entered manually.

What This Template Includes

  • Billing period (service month)
  • Monthly retainer and scope delivered
  • Campaign or channel breakdown
  • Paid media management fee and its calculation
  • Ad spend passed through at cost, by platform, with billing report reference
  • Out-of-scope work approved (date, approver, hours and rate)
  • Client purchase order number, if the client requires one

How to Create Your Marketing Agency Invoice

  1. 01

    Describe your work

    Type a plain English description of the services you provided, the client, and the amount.

  2. 02

    AI generates your invoice

    InvoiceQuickly's AI drafts the client, line items, dates, and totals for you to review before saving.

  3. 03

    Review, download, and send

    Check every detail, download the PDF, or use Pro to email the PDF directly to your client.

Recommended Payment Terms

Retainers are commonly invoiced at the start of the month they cover, so the agency is paid before the work rather than after it. Variable lines, such as a percentage management fee or ad spend re-billed at cost, can only be invoiced once the month is over and the platform reports are final. Many agencies therefore send one invoice on the first of the month: the coming month's retainer plus the previous month's variable lines, each labelled with its own period. Where the agency pays the ad platforms itself, keep the terms short or ask for the media budget in advance, because the agency is otherwise financing the client's spend. Asking the client to pay the platforms directly avoids that entirely.

Need help writing payment terms? Read our guide to invoice payment terms for best practices and templates.

Tax Information

Sales tax and VAT treatment can differ between the lines on a marketing invoice. In the US, whether marketing and advertising services are taxable is set by each state, and ad spend re-billed to a client may be treated differently from the agency's own fee. In the UK, HMRC's VAT Notice 700 (section 25) lets a cost passed on to a client be left out of the value of your own supply only if it qualifies as a disbursement, and you must keep evidence; costs that do not qualify are part of your taxable supply and carry VAT like your fee. InvoiceQuickly applies one tax percentage to the whole invoice, so if the fee and the pass-through need different tax treatment, issue them on separate invoices. It also copies saved tax IDs to new invoice PDFs; check the saved IDs and PDF before sending. This is general information, not tax advice; check with your tax authority or an adviser.

Industry context (2026)

There is no reliable public price list for marketing agency services, and the rate tables often quoted online rarely state a sample, date or method, so this page does not reproduce one. For context on labour costs only, the US Bureau of Labor Statistics' Occupational Employment and Wage Statistics put the mean wage for market research analysts and marketing specialists at $43.03 an hour in May 2025 (median $37.87). That is what employees across all industries are paid, not what agencies charge, which must also cover payroll taxes, tools, overheads and unbilled time. What does vary predictably is the invoice structure: retainers for ongoing scope, separate fees for paid media management, and ad spend that is either paid by the client directly or re-billed at cost. Payment processing matters more for marketing invoices than most, because pass-through spend inflates the invoice total: Stripe's US standard pricing, as of October 2026, is 2.9% + 30¢ per successful domestic card payment. For working out the retainer and fee levels themselves, see the marketing agency pricing guide linked below.

Worked example

Worked example (illustrative fees; the fee basis is the agency's contract term, not an industry standard). On 1 December 2026 a marketing agency invoices a client under a contract with a $4,500.00 monthly retainer billed in advance, a paid media management fee of 10% of monthly spend with a $2,000.00 minimum billed in arrears, ad spend re-billed at cost, and extra work at $135.00 an hour. Line 1: Retainer, December 2026: 12 social posts, 2 blog articles, monthly performance report, $4,500.00. Line 2: Paid media management, November 2026: 10% of $25,000.00 spend = $2,500.00 (above the $2,000.00 minimum). Line 3: Meta ads spend, 1-30 November 2026, at cost per Meta billing report, $18,400.00. Line 4: Google Ads spend, 1-30 November 2026, at cost per Google Ads billing summary, $6,600.00. Line 5: Landing page copy for the winter campaign, approved by the client's marketing lead on 12 November, 6 hours × $135.00 = $810.00. Total: $4,500.00 + $2,500.00 + $18,400.00 + $6,600.00 + $810.00 = $32,810.00, no tax shown in this example, due net 30. Of that, $25,000.00 is the client's media money the agency has already paid out. If the client paid the ad accounts directly, lines 3 and 4 would disappear and the invoice would be $7,810.00. And if the client paid $32,810.00 by card through Stripe at its US standard rate of 2.9% + 30¢, the fee would be about $951.79 ($951.49 + $0.30), most of it on money that was never the agency's revenue, which is why large pass-throughs are better paid by bank transfer.

Common mistakes to avoid

Blending fees and ad spend into one line

A single 'Digital marketing, November: $32,810.00' line hides how much is the agency's fee and how much is media. Clients' finance teams will query it. Keep retainer, management fee and spend on separate lines.

Hidden markup on media

Re-billing $25,000.00 of spend as $27,500.00 without saying so will be found when the client checks the platform report. Pass spend through at cost or show any markup openly.

Retainer lines with no scope

A retainer billed month after month with no description invites the question 'what did we get?'. Summarise the deliverables on the invoice and attach or link the monthly report.

Billing extras without approval on record

Out-of-scope work billed without the approval date and approver is easy to dispute. Get written approval first and quote it on the line.

Financing the client's media budget

Paying $25,000.00 of ads in November and invoicing it on net 30 terms in December leaves the agency out of pocket for up to two months. Ask the client to pay the platforms directly or to fund the media budget in advance.

Invoicing Tips

  • 1Label each line with the period it covers, for example 'Retainer, December 2026' and 'Meta ads spend, 1-30 November 2026', because fixed and variable lines usually cover different months.
  • 2Describe the retainer scope delivered: '12 social posts, 2 blog articles, monthly report'. 'Marketing services' gives the client's approver nothing to check.
  • 3Show how a percentage fee was calculated on the line itself: '10% of $25,000.00 November spend, $2,000.00 minimum'.
  • 4Bill ad spend at the exact amount on the platform's billing report, labelled 'at cost', with the report or invoice reference. If you add a markup, disclose it as a separate line.
  • 5Put approved out-of-scope work in its own lines with the approval date and who approved it, at the rate set in the contract.
  • 6For large pass-throughs, ask for bank transfer rather than card, because card processing fees are charged on the whole payment, including the client's media money.
  • 7Quote the client's PO number if they use one. Many larger clients cannot approve an invoice without it.

Related Resources

Frequently Asked Questions

How do marketing agencies usually invoice clients?

Most bill monthly. A fixed retainer covers the agreed ongoing scope, often invoiced at the start of the month; variable items such as a percentage media management fee, ad spend re-billed at cost and approved extra hours are invoiced after the month ends, when the numbers are known. Project work such as a campaign launch or website is billed separately, often as a deposit and milestones.

Should ad spend go on the agency's invoice?

Only if the agency pays the platforms. The simplest set-up is for the client to own the ad accounts and pay the platforms with its own payment method, so the agency invoice carries only the agency's fees. If the agency pays, re-bill the spend at cost from the platform billing report, on its own line, separate from the management fee.

Should an agency mark up ad spend?

If you charge more than cost, say so on the invoice. A client who compares the invoice with the platform report will find any hidden difference. Many agencies instead pass spend through at cost and earn their margin in a management fee that the client can see.

How do I invoice a marketing retainer?

Invoice the agreed monthly amount on the date the contract sets, name the month it covers and summarise the scope delivered or planned. Bill work beyond the scope as separate lines, with the date it was approved. If unused hours roll over or expire, state the policy and the balance on the invoice.

How do I show a percentage-of-spend management fee?

Write the basis on the line: the percentage, the spend it applies to, the period and any minimum, for example '10% of $25,000.00 November spend, $2,000.00 minimum: $2,500.00'. The client can then check it against the ad account report.

What is the difference between this and an agency invoice template?

This template is built around marketing retainers, media management fees and pass-through ad spend. The general agency invoice template suits creative and digital agencies that bill project phases and team hours, such as a website build or a rebrand.

Can I create a marketing agency invoice in InvoiceQuickly?

Yes. Add the retainer, the management fee, each platform's spend and extra hours as separate line items; InvoiceQuickly does not calculate percentage fees or import ad spend, so enter the amounts you worked out. On Pro ($9 a month), a recurring schedule can create the monthly retainer as a one-line draft, with saved payment terms and tax rate, for you to add the variable lines to before sending, and you can email invoices and add a Stripe or PayPal payment link from your own account. Full and partial payments can be recorded on every plan. Pro also tracks time and billable expenses against a client or project and bills selected items into a draft invoice. It has no tasks or project budgets and does not connect to ad platforms.