Frequently asked questions
Should I charge a monthly retainer or per project for SEO work?
Monthly retainers are the most common SEO billing model because search optimization is an ongoing process, not a one-time fix. Retainers provide predictable income for you and predictable costs for clients. Project pricing makes sense for defined deliverables like a technical audit, a site migration, or a one-time keyword strategy document. Many specialists combine both: a project fee for initial work such as an audit and setup, followed by a monthly retainer for ongoing optimization and reporting.
How do I justify my SEO retainer to a skeptical client?
Tie your retainer scope to specific deliverables and metrics each month. Document exactly what is included: keyword tracking, monthly reporting, hours of on-page optimization, number of content briefs, and link building outreach. Send a performance report with each invoice showing keyword ranking changes, organic traffic trends, and completed tasks. Clients who can see tangible outputs and improving metrics are far less likely to question the fee or cancel the retainer.
Can I charge for third-party SEO tools as part of my invoice?
Yes, if your contract includes it. You have two options: bill clients for the tools you use on their behalf as a reimbursable expense with markup, or absorb tool costs into your retainer fee. If you absorb them, ensure your retainer rate accounts for the cost of subscriptions like Ahrefs, SEMrush, or Screaming Frog. If you pass them through, list each tool as a separate line item with the cost and describe why it is necessary for the engagement.
What payment terms are best for SEO consultants?
Net-15 or payment in advance are the most practical terms for SEO retainers. Because you are committing time and resources each month, billing in advance or with a short payment window reduces the risk of doing a full month of work before getting paid. For new clients, consider requiring payment before work begins for the first month. Include a late payment clause in your contract, typically 1.5 percent per month on overdue invoices.
How should I invoice for link building specifically?
Link building should be itemized separately from other SEO services because it involves real out-of-pocket costs for placements, content, and outreach tools. You can bill for link building as a fixed monthly fee covering a set number of placements, or as a cost-per-link model where each secured placement is billed individually. Whatever model you use, provide a link report showing the URLs, domain authority, and anchor text for each link secured in the billing period.
Do I need a contract before sending an SEO invoice?
Yes. A contract protects both you and the client by defining scope, deliverables, billing terms, and what happens if the engagement ends. For retainers, specify the notice period required to cancel, typically 30 days. Without a contract, clients can dispute invoices based on vague expectations. Your contract should also clarify that SEO results cannot be guaranteed and that ranking improvements depend on factors outside your control, protecting you from claims that the service did not work.
Can I use this template for free?
Yes. Tidybill's free plan lets you create up to 5 invoices per month at no cost, with no credit card required. You can use the SEO Specialist invoice template straight away after signing up.