What SEO actually costs in Perth, what drives the number, and the specific reason very cheap retainers tend to plateau at month six rather than fail outright.
Professional SEO in Perth starts around A$2,000 a month at the entry level, with most serious programmes sitting between A$4,000 and A$8,000, and ecommerce or multi-market work above A$10,000. Below roughly A$1,500 you are usually buying reporting rather than work, and the reason those engagements disappoint is specific: they can produce activity but not the senior judgement that decides which activity matters.
I get asked about this constantly, usually by business owners who have been quoted a wide range and cannot tell what the difference buys. So here is the honest version, including where spending more is a waste.
What actually drives the number
The state of your site
The largest variable and the one least visible in a proposal. A store or site with a sound technical base needs strategy and content. One with a broken structure needs remediation first, and remediation is developer time as well as consultant time. Two businesses in the same sector can have a genuine three-fold difference in what the first six months costs, and neither quote is wrong.
How contested your terms are
This is where Perth differs from the east coast in your favour. Local commercial terms here carry difficulty scores in the single digits to low teens where the Sydney and Melbourne equivalents sit in the twenties and thirties. Less contested means fewer hours to reach the same position, which means a Perth-focused programme genuinely costs less to run than the same ambition in a bigger market. National terms are a different conversation, and priced accordingly.
Who does the work
The cost driver most buyers miss. A senior specialist across a handful of accounts is a different proposition to a coordinator across twenty, and the fee difference is smaller than the outcome difference. Ask directly: who does the work, and what else are they on?
Content production
Whether the fee includes writing, and how much. Content is where SEO budgets quietly diverge. A retainer that covers strategy and technical work but assumes you write everything is not comparable to one that includes production, and comparing them on monthly cost alone is how people end up disappointed.
Measurement setup
Getting analytics, Search Console and conversion tracking into a state where you can connect rankings to revenue is real work, usually front-loaded. It is also what separates an engagement you can judge from one you cannot.
Why the cheap retainers stall rather than fail
This is the part worth understanding, because low-cost SEO rarely fails visibly. It stalls, which is harder to diagnose and much more expensive in lost time.
At A$800 a month you are buying perhaps four to six hours of someone's attention, once you allow for the agency's overhead. Four hours a month is enough to publish something, update some metadata and send a report. It is not enough to work out what your competitors are doing differently, decide which categories deserve investment, argue with you about priorities, or notice that the reason a page will not rank is a structural problem two levels up.
So the work happens, the report arrives, and nothing compounds. Rankings improve on terms nobody was competing for. Around month six the client asks what has changed commercially and the honest answer is nothing much. By then a year of market position has gone to whoever did invest.
The other pattern I see: cheap retainers produce work that has to be undone. Thin pages published at volume, links from places you would rather not be associated with, category structures built around keyword lists rather than how buyers shop. Cleaning that up costs more than doing it properly would have.
When spending more is genuinely a waste
I would rather say this plainly than pretend the answer is always to invest.
If your total addressable search demand is small, a large retainer cannot manufacture buyers who are not searching. Some niche B2B businesses in WA are in exactly this position, and paid media or direct outreach will serve them better.
If nobody in your business will own the relationship, the money goes nowhere regardless of the amount. SEO needs someone internally who can get a developer to ship a change and a subject expert to answer a question.
And if your site is about to be rebuilt, spend the money on getting the rebuild right rather than on optimising something that is being replaced. A properly managed migration is a project in its own right, often A$20,000 and upwards for an established site, and it is some of the best money in this discipline because it protects everything the site already earns. Our guide to SEO during a website migration covers what that involves.
What a fair proposal looks like
It should name the people doing the work and their seniority. It should say what happens in the first ninety days, specifically. It should distinguish one-off setup from ongoing work. It should state what is included in terms of content production, in units you can count. It should describe how performance will be reported, in commercial terms rather than rankings. And it should be clear that you own your accounts, your data and your content if the relationship ends.
A proposal that promises rankings is a red flag regardless of price. Nobody controls Google, and anyone claiming otherwise is either inexperienced or hoping you are.
Questions I get asked in Perth
How much does SEO cost in Perth per month?
Entry-level local work starts around A$2,000 a month. Most professional engagements run between A$4,000 and A$8,000, and complex, ecommerce or multi-market programmes sit above A$10,000. The wide range is real and it tracks the state of the site, the competitiveness of the terms and how much content production is included.
Is SEO cheaper in Perth than Sydney or Melbourne?
For local terms, effectively yes, because reaching page one takes fewer hours in a thinner field. Agency rates themselves are broadly comparable. What differs is how much work the result requires.
Is a cheap SEO package ever worth it?
For a very small local business with a simple site and modest ambitions, a light-touch arrangement can be reasonable, particularly if it is honest about being maintenance rather than growth. The problem is packages sold as growth at maintenance prices.
Should I pay per hour, per month or per project?
Monthly against a defined scope is the usual arrangement and the easiest to hold anyone to. Project pricing suits audits, migrations and one-off builds. A properly scoped website migration for an established site typically starts around A$20,000, and skimping on it is how sites lose years of accumulated visibility in a weekend. Hourly tends to produce arguments about timesheets rather than outcomes.
How long before I see a return?
In a less contested market, movement on locally framed commercial terms often shows within a quarter, with commercial impact following. National terms take longer. Anyone giving you a confident date has not seen your site.
What should I expect to spend on content?
It varies with how much your buyers need to know before they commit. A considered purchase needs more, and better, than an impulse one. The mistake is treating content as a volume target rather than as the thing that answers a buyer's question.
The way I would think about it
Work out what a new customer is worth to you over their lifetime, then work backwards. If a customer is worth A$5,000 and SEO needs to deliver three a month to justify A$5,000, that is a testable proposition rather than an act of faith. If the arithmetic does not work at any credible conversion rate, the channel is wrong for you and a good agency will say so.
Our Perth market page sets out how we work here, and ecommerce SEO in Perth covers what WA retailers specifically are missing. For the UK equivalent of this piece, see what SEO costs in the UK. If you want a number that reflects your situation rather than an average, get in touch and we will scope it properly.