Marketing Invoice Template

Free Growth Hacker Invoice Template

Create professional growth hacker invoices in minutes. Separate service fees from ad spend and get paid on time.

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What is a Growth Hacker invoice?

A growth hacker invoice is a billing document for marketing campaigns, strategy, content, or management services. It itemizes strategy hours, creative deliverables, ad spend pass-throughs, and management fees. A professional invoice helps marketing professionals get paid on time and maintain transparent client relationships.

What to include on a Growth Hacker invoice

Common growth hacker invoice line items

Service Typical Rate Unit
Growth Hacker Services $50 - $200 per hour
Campaign Strategy $500 - $3,000 per project
Content Creation $50 - $150 per hour
Ad Management Fee 10 - 20% of ad spend
Monthly Retainer $500 - $5,000 per month
Performance Reporting $100 - $300 per report

How to invoice as a growth hacker

Define the scope, deliverables, and fee structure in writing before any campaign begins. For retainer engagements, invoice at the start of each month. For project work, invoice in milestones: one-third on kickoff, one-third on delivery of assets, and the final third on campaign launch or completion. Always separate ad spend pass-throughs from your service fees so clients can clearly see what goes to media and what goes to you. For ad management, charge a percentage of ad spend or a flat monthly fee, whichever provides more predictability. Send detailed monthly reports alongside invoices to justify your fees.

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Frequently asked questions

What should a growth hacker invoice include?
Include your business details, client details, invoice number, campaign or project name, itemized services (strategy, content, management, reporting), any ad spend pass-throughs, management fees, the total amount due, and payment terms.
How do I invoice for ad spend pass-throughs?
List ad spend as a separate line item clearly labeled as a pass-through to avoid confusion with your service fees. Attach receipts or platform spend reports to the invoice. Some marketers require clients to pay ad platforms directly rather than routing spend through the agency.
Should I charge a percentage of ad spend or a flat retainer?
A percentage of ad spend (typically 10-20%) scales naturally with budget size and is common for paid media management. A flat retainer provides more predictability for both parties and is better suited to fixed-scope engagements. Many professionals combine both: a base retainer plus a percentage of spend above a threshold.
How do I handle performance-based pricing?
Performance bonuses (for example, a bonus when ROAS exceeds a target) should be agreed in writing upfront. Invoice the base fee monthly and the performance component quarterly or at agreed intervals, with supporting data. Keep performance metrics in a shared report so there is no dispute over results.
How do I handle late payments from clients?
Include a late payment clause in your contract and on every invoice. Send a reminder two to three days before the due date. Tools like Tidybill automate reminders and can apply late fees automatically after the due date passes.
Can I use this template for free?
Yes. Tidybill's free plan includes professional invoice templates and up to 5 invoices per month. No credit card required. Upgrade to Starter for recurring invoices, time tracking, and automated reminders.