Ask five agencies what SEO costs and you'll get five very different answers — anywhere from $99 a month to $10,000. No wonder business owners feel like it's a black box. Here are honest ballpark numbers, and more importantly, why the price moves.
First, a 20-second refresher: what is SEO?
SEO (search engine optimisation) is the work that helps your website show up on Google when people search for what you do — without paying for ads. Things like making your site fast, writing pages that answer real searches, fixing technical problems, and building your reputation so Google trusts you.
The key thing to understand: SEO is ongoing work, not a switch. That's why most of it is priced monthly.
The ballpark numbers (Australia, 2026)
| What you're buying | Typical cost | Best for |
|---|---|---|
| One-off audit / fix-up | $500 – $2,000 | Finding out what's wrong and fixing the basics |
| Local SEO retainer | $500 – $1,500 / month | Cafés, trades, clinics competing in one suburb or city |
| Mid-tier retainer | $1,500 – $3,000 / month | Competitive industries or multiple locations |
| Aggressive / national | $3,000+ / month | Competing Australia-wide in a crowded market |
| Hourly consulting | $75 – $200 / hour | One-off advice or training |
What actually changes the price
- Competition. Ranking a plumber in a small town is a different job to ranking a lawyer in Sydney. More competition = more work = more cost.
- The state of your website. A fast, well-built site is a head start. A slow, messy one needs fixing first — sometimes the best first dollar is spent on the website itself.
- Your starting point. Brand-new sites take longer than established ones with some history.
- How fast you want results. A bigger monthly budget means more pages, more fixes, more progress per month.
How long until it works?
Honestly: expect 3–6 months before you see meaningful movement, and 6–12 months for the compounding payoff. SEO is a slow build — but unlike ads, the results don't vanish the day you stop paying. It's the difference between renting attention and owning it.
Red flags to run from 🚩
- "Guaranteed #1 on Google." Nobody can guarantee rankings — not even Google says who ranks first. Anyone promising this is guessing or lying.
- $99/month "SEO packages." At that price it's usually automated junk that does nothing — or worse, spammy links that get your site penalised.
- No reporting. If you can't see what was done and what it earned you, you're paying for fog.
- Lock-in contracts with no results. Good SEO providers keep clients with results, not 24-month contracts.
The plain-English summary
- Most local Australian businesses should budget roughly $500–$1,500 a month.
- It takes a few months to kick in, then compounds.
- Cheap SEO is usually expensive — you pay twice: once for the junk, once to fix it.