In short: SEO is sold three ways in Australia: monthly retainers (ongoing work, from ~A$1,000/mo), one-off projects (audits or migrations, A$1,500-A$12,000), and performance-based deals (pay for rankings or leads). Retainers suit businesses that want compounding growth; one-offs suit defined jobs; performance deals sound attractive but usually come with catches. The right model depends on your goals, not on which sounds cheapest.
Last updated: October 2026.
When an agency quotes you, the number is only half the story – the model behind it shapes everything: what gets done, how fast, and whose incentives are aligned with yours. Here is how each SEO pricing model actually works in the Australian market.
1. Monthly retainer: the standard
How it works: you pay a fixed monthly fee for an agreed scope of ongoing work – technical maintenance, content publishing, link building, reporting.
Typical Australian pricing: A$1,000-A$2,500/mo (small business), A$2,500-A$6,000/mo (competitive niches), A$6,000+/mo (enterprise).
Pros: SEO compounds, and compounding needs consistency. A retainer funds the steady publishing, technical upkeep and authority building that wins over 6-12 months. You also build a relationship – the team learns your business.
Cons: You pay whether or not results have arrived yet (months 1-3 are mostly foundations). Bad agencies can coast on retainers – which is why reporting and no-lock-in terms matter.
Best for: businesses committed to SEO as a growth channel, not a one-time fix.
2. One-off project: the defined job
How it works: fixed price for a bounded deliverable – usually an audit, a site migration, or a technical overhaul.
Typical Australian pricing: audits A$1,500-A$5,000; migrations A$3,000-A$12,000 depending on site size.
Pros: clear scope, clear price, clear end date. An audit gives you a prioritised roadmap you can execute in-house or hand to any agency – it de-risks every later decision.
Cons: a roadmap is not results. Projects fix the past; they do not build the future. Many businesses buy an audit, do nothing with it, and wonder why nothing changed.
Best for: diagnosing problems, pre-redesign input, migrations, or creating a roadmap before committing to a retainer.
3. Performance-based: pay for results
How it works: little or no upfront fee; you pay when agreed targets are hit – rankings, traffic, or leads.
The catches (read carefully):
- Targets are often gamed. “Page one” for a keyword nobody searches is easy to deliver and worth nothing.
- You do not control the tactics. When someone only gets paid for fast rankings, shortcuts become tempting – and penalties become your problem.
- Good agencies rarely offer it. Confident, in-demand SEO teams sell retainers because their time is worth it with or without your gamble. Performance deals disproportionately attract the desperate.
- Attribution fights. If leads rise, was it the SEO, your new website, or seasonality? Expect disputes.
Best for: almost nobody, honestly. If you are tempted, insist on targets tied to revenue (not rankings), a clear baseline, and full transparency on tactics.
Side-by-side comparison
| Monthly retainer | One-off project | Performance-based | |
|---|---|---|---|
| You pay | Fixed monthly fee | Fixed project price | On hitting targets |
| Timeframe | Ongoing | 2-8 weeks typical | Until targets hit (or not) |
| Best outcome | Compounding growth | Clear roadmap / clean migration | Low upfront risk |
| Biggest risk | Coasting agencies | Shelfware (unused reports) | Gamed targets, risky tactics |
| Suits | Growth-focused businesses | Defined problems | Sceptics (with caution) |
How to choose: 4 questions
1. Is SEO a campaign or a channel for you? Channel = retainer. One-time problem = project.
2. Can you judge the work? If not, favour models with transparent reporting (retainers with clear deliverables, audits you can verify) over black boxes.
3. What happens if you pause? With retainers, momentum slows but the asset remains. With performance deals, check who owns the content and links if you walk away.
4. Are incentives aligned? The best model is the one where the agency wins when you win – on revenue, not on activity metrics. Ask how they would measure their own success on your account.
Our SEO services run on month-to-month retainers starting from A$1,000/month – because that is the model we would choose if the incentives were ours to design. No lock-ins, reporting tied to enquiries and revenue.
SEO pricing models – frequently asked questions
Can I mix models?
Yes – and it is often smart. Start with a one-off audit (A$1,500-A$5,000) to get a roadmap, then roll into a retainer to execute it. You de-risk the commitment and the agency starts with clarity.
Why do agencies dislike performance deals?
Because SEO has variables nobody controls – Google updates, competitor spending, your own site changes. Serious practitioners price their time and expertise; they do not gamble it on shared-risk deals with strangers.
What is a fair contract length?
Month-to-month with 30 days notice is the gold standard. Be cautious of anything beyond 6 months unless there is a genuine discount and a clear exit clause.
Should I ever prepay annually?
Only for a meaningful discount (15%+) from an agency you already trust. Never prepay a new, unproven provider a year upfront.