Marketing invoices often mix retainers, projects, and ad spend. Everhour keeps billable rates tied to tracked work.
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Marketing billing starts with the work agreement, not the invoice number. A freelancer may invoice one client for a landing page audit, while an agency may bill several retainers, campaign launches, and pass-through expenses in the same month. The invoice should identify the seller, client, project, issue date, due date, payment terms, and a unique invoice number so the record matches the contract and the client's approval process.
The United States has no prescribed federal private-sector invoice form and no national VAT or GST invoice regime. For ordinary marketing work, the invoice is mainly a supporting business record and contract document. Sales and use tax treatment depends on state and local rules, nexus, the type of service, and where the sale is sourced. A marketing invoice should show applicable tax when the seller is required to collect it.
Marketing invoices commonly use hourly rates, fixed project fees, retainers, value or performance fees, or a mixed model. Hourly work can use one blended team rate or separate specialist rates for strategy, design, copywriting, media buying, and analytics. A fixed project invoice usually ties the price to a defined scope, such as a brand messaging sprint or a campaign build.
Retainers are commonly structured as a recurring monthly fee for a set amount of billable time or a set group of deliverables. Retainer fees are usually paid upfront on an agreed date. Project-based or value-based work often uses a 50% upfront and 50% completion split. Longer engagements can invoice at milestones such as strategy approval, design delivery, or campaign launch.
Marketing invoices become confusing when campaign budgets and agency fees sit on the same line. PPC management is a common example: agencies often charge a management fee based on 10% to 30% of monthly ad spend, while the ad budget itself remains a separate client cost. The invoice should distinguish management services, media spend, production costs, and pass-through expenses.
Line items need enough detail for approval without recreating the entire project history. A useful line reads like: "Paid search management, March 2026, 18 hours at $125 per hour." A flat-fee line can read: "Email nurture sequence, fixed project fee." Add payment terms, such as due 30 days after issue, and list accepted payment methods so the client knows exactly how to pay.
A free invoice is enough for a one-time project, a simple retainer, or a client that accepts a summarized bill. It works when the numbers already exist and you only need a clean document. Manual entry starts to break down when several team members track time against the same client, rates vary by role, or uninvoiced work needs to roll into next month's billing cycle.
Everhour fits the managed workflow when billable time needs to feed the invoice instead of being retyped. It separates cost and billable rates, supports per-person defaults and per-project overrides, and preserves dated rate history. Marketing teams can price work by project, member, or task, then keep billable and non-billable time visible before an invoice goes out.
This content is for general information only, may not be fully up to date, and is provided without any warranty or liability.
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A marketing invoice typically includes the project name, seller and client details, invoice number, issue date, due date, itemized services, quantity, unit price, subtotal, applicable tax, total due, payment terms, and accepted payment methods. Service descriptions should name the campaign, deliverable, or billing period so the client can match the invoice to the approved scope.
A retainer invoice should follow the contract. A time-based retainer should show the billing period and included hours, with any overage shown separately. A deliverable-based retainer should list the monthly deliverables or service package. Retainer fees are commonly paid upfront on a specific date, so the due date should match that agreement.
Ad spend and management fees can appear on one invoice, but they should sit on separate lines. The management fee represents the agency's service charge, while the campaign budget represents media spend. PPC management fees are often based on 10% to 30% of monthly ad spend, so a separate line makes the fee basis easier to review.
A United States marketing invoice does not use a national VAT or GST invoice regime. Sales and use tax obligations are set by states and local jurisdictions. Service taxability varies by state and service type, so the invoice should include sales tax only when the seller is required to collect it under the applicable state and local rules.
The most common mistake is billing a vague service line that does not match the proposal, retainer, or approved milestone. "Marketing services" gives the client little to approve. A stronger invoice names the campaign, deliverable, billing period, rate basis, and payment term. For milestone billing, the line should point to the agreed event, such as strategy approval or campaign launch.
Everhour separates internal cost rates from client-facing billable rates, so reports can calculate labor cost, revenue, and profit. Marketing teams can use default per-person rates, override rates for a specific project, and apply dated rate changes so older reports keep the original pricing.
Everhour can generate invoices from uninvoiced billable time and expenses, then exclude non-billable work from the amount due. Invoice data can be grouped by project, task, person, date, or another available breakdown, which helps marketing teams match the invoice format to the client's approval process.
Track approved campaign time, apply the right billable rates, and move uninvoiced work into client-ready invoices with Everhour.
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