We should be upfront before you read a word of this: we are an SEO agency. We sell one side of this comparison. Keep that in mind, and treat everything below with the scepticism you would give a butcher reviewing steak knives.
That said, this is the version of the answer we give paying clients, and it includes the situations where Google Ads is the right call and SEO is not. We are not going to crown a winner in the second paragraph, because the real answer hangs on one question: do you need leads this month, or the cheapest leads over the next three years?
The short version
Google Ads buys leads. SEO builds a system that produces them. Ads work this week and stop the day you stop paying. SEO takes months to get going, then keeps working from effort you have already paid for. A Melbourne business that can afford it should usually run ads for speed while the SEO builds behind them, then wind the ad spend down as rankings take over. If you can only fund one and you are not in a hurry, SEO usually wins on cost per lead. If you need the phone ringing next week, run ads.
How each one actually works
Google Ads is an auction. You pick the searches you want to appear for, you bid against every other business that wants them, and you pay every time someone clicks. Turn it on and you can be at the top of the page this afternoon. Turn it off and you vanish just as fast. Nothing accumulates: click one thousand costs the same as click one, and next year it will probably cost more, because the auction only gets more crowded.
SEO is everything you do so Google shows your business without being paid to: a fast site that says what you do and where, pages that answer what your customers actually search, a complete Google Business Profile and steady, genuine reviews. Nobody can buy the top of the map pack. You earn it, slowly, and then it keeps paying you. The same work is also what gets you named when someone asks ChatGPT or Google’s AI for a recommendation, which we covered in Is SEO dead in 2026?
Side by side
| Google Ads | SEO | |
|---|---|---|
| First leads | Days | Months |
| Cost per lead over time | Flat, or rising with the auction | Falls as rankings build |
| When you stop paying | Leads stop that day | Fades slowly, keeps producing for a while |
| Where you appear | Ad slots above the results | Map pack, organic results, AI answers |
| Who can outspend you | Anyone, instantly | Nobody. Rankings have to be earned |
| Best for | Leads now, or testing a new offer | The cheapest leads over years |
What a click actually costs in Melbourne
This is the part most comparisons skip, so here are real numbers. Google’s own advertising data, pulled in July 2026, prices an average Melbourne click like this. A click, mind you, not a customer:
| Search | Average cost per click |
|---|---|
| emergency plumber melbourne | ~$51 |
| plumber melbourne | ~$30 |
| electrician melbourne | ~$20 |
| lawyer melbourne | ~$18 |
| accountant melbourne | ~$10 |
| gym melbourne | ~$5 |
Two things follow from that table. First, ads can still be worth it: if an emergency plumbing job is worth $800, paying $51 for a click that might become one is money well spent. Second, the deal never improves. Every future lead costs whatever the auction says on the day, and in a city this contested you are bidding against franchises with deeper pockets than yours. Notice too that the most expensive clicks sit on the searches where a map pack position, which no ad budget can buy, is worth the most. Earning that spot is exactly what local SEO is for.
When Google Ads is the right answer
We would rather lose the argument than pretend these situations do not exist.
- You need leads now. A new business or a quiet month is not a problem SEO can fix by Friday. Ads can.
- You are testing. A few weeks of ad traffic will tell you whether a new service sells before you spend months trying to rank for it.
- Nobody searches for what you sell yet. If demand is tiny or brand new, there are no rankings worth winning, and ads on nearby searches may be the only channel available.
- You sell one-off emergencies. The map pack owns “emergency plumber” in the long run, but ads are the fastest way into that market while you earn your spot.
When SEO is the right answer
- Your customers already search for what you do. Trades, clinics, gyms, studios, professional services. The demand is steady; the only question is who collects it, and whether you pay the auction for every click along the way.
- You are playing for years. The reviews and rankings you build now are still sending leads in three years, and nobody bills you per click for them.
- You want to be the default answer. The map pack, the organic results under it and increasingly the AI answers above it all run on the same earned signals. Ads reach none of those places.
- Your margins cannot carry the auction. At $20 to $50 a click, a business that closes one in ten clicked leads is paying hundreds of dollars per customer, forever. Earned rankings are the way out of that maths.
We wrote up what the earned version actually involves in our plain-English guide to local SEO in Melbourne.
The answer we actually give clients
It is rarely either/or. The strongest setup for a Melbourne local business with the budget for it is both, run in sequence: ads switched on for immediate leads, SEO started the same month, and ad spend wound down as rankings arrive and the cost per lead crosses over. Your ads account also doubles as research you have already paid for, because the search terms that turn into customers are the keywords your SEO should go after.
If the budget only stretches to one, it comes back to the question at the top. Need leads this month? Run ads. Playing a longer game in a market where people already search for what you sell? Do SEO, and give it the months it needs. Anyone promising you both speed and compounding from a single channel is selling you something.
FAQ
Is SEO cheaper than Google Ads?
Not at first. In the early months you are paying for SEO work and getting few extra leads, while ads deliver from day one. The economics flip over time: ad costs stay attached to every click forever, while SEO keeps producing leads from work you already paid for. For most local businesses with steady search demand, SEO ends up cheaper per lead, but only if you give it months rather than weeks.
Should a new business start with Google Ads or SEO?
Usually ads first, or both at once if the budget allows. A brand-new business needs leads this month, and ads are the only one of the two that can do that. Starting SEO at the same time means that by the time you are tired of paying for every click, the free channel is starting to work.
Can I run Google Ads and SEO at the same time?
Yes, and it is often the strongest setup: ads buy leads now while SEO builds in the background. They also feed each other, because the search terms that turn into customers in your ads are the keywords worth targeting with SEO. As rankings arrive, many businesses wind ad spend down rather than off.
What happens to my leads if I stop paying for Google Ads?
They stop, usually the same day. Ads are rent: you get exactly as much visibility as you pay for, for exactly as long as you pay. SEO behaves more like ownership. If you pause the work, rankings fade gradually rather than instantly, and pages that earned their position can keep producing leads for months.
Weighing up where your money would work hardest? Book a free audit. We will look at what your customers search, what those clicks would cost you in ads, and tell you in plain English which channel fits, even if the answer is “run ads first”. Yours to keep either way. And if SEO wins, the pricing is public, so you know the cost before you commit.