Comparison
SEO or SEA: which strategy should you choose?
Both bring customers from Google, but not the same way, not at the same pace, and not at the same cost. Here are the differences made clear - and why the right answer is often "both, in the right order".
By Sami Boughattas · Last updated:
| SEO (organic search) | SEA (Google Ads) | |
|---|---|---|
| Goal | Be found durably for your market's queries, without paying per click. | Appear immediately at the top of the results for the queries you choose. |
| Time to results | 3 to 6 months for lasting rankings; technical fixes act within weeks. | From the first days, as long as the campaign runs. |
| Acquisition mode | "Free" traffic per click, which keeps coming after the work stops. Depends on the quality of the site and content. | Traffic bought at auction. Stops the day the budget stops. |
| Investment | Time and expertise upfront (audit, fixes, content), then light maintenance. | A monthly media budget according to your means and market, + campaign management. |
| What it measures | Rankings, organic traffic, leads from the site. | Cost per click, cost per prospect, conversion rate - day by day. |
| Main risk | Investing in content without fixing the technical side, and never being indexed properly. | Paying for clicks that land on a slow or poorly designed site, and never converting. |
How to choose?
You are starting out, or need leads this quarter
Start with SEA to get requests quickly, and launch SEO in parallel so you do not depend on media budget forever.
Your site already has traffic but few requests
The problem is rarely the lever: it is the site. An audit before spending one more euro on Ads.
You are in a niche market with few searches
SEO is still useful but caps out fast; direct prospecting and targeted SEA will do more.
You have budget but no time
Monthly management: the three levers handled together, one report on leads.
What about both?
SEA brings the first leads and valuable data (which queries really convert); SEO takes those queries and wins them durably. Every month, the cost per prospect is compared between the two, and the budget follows what works.
What does it actually cost?
Typical French-market ranges for an SME, so you can compare what you are offered.
SEO audit
Market: €1,000 to €3,000 excl. VAT depending on site size.
SEOForge: Growth Audit at €690 excl. VAT with a video-call debrief, or a full technical audit on quote.
Google Ads management
Market: €500 to €1,200 excl. VAT per month in management fees, plus a media budget that is rarely profitable under €1,000 per month.
SEOForge: management included in the 90-day Sprint and Monthly management, media budget according to your means, on your own account.
Monthly SEO
Market: €800 to €3,000 excl. VAT per month, often without technical fixes included.
SEOForge: Monthly management at €1,500 excl. VAT, code fixes included, one report for SEO + Ads.
Website redesign
Market: €3,000 to €15,000 excl. VAT for an SME brochure site.
SEOForge: on quote, Core Web Vitals in the green at delivery, built to convert paid and organic clicks alike.
Indicative ranges observed in 2026 on public offers from French agencies. They vary by sector, competition and site size.
Price ranges observed by SEOForge in the French market. Updated: .
Questions we get about SEO and SEA
Does SEA (Google Ads) help SEO?
Not directly: Google does not rank a site higher because it buys ads. Indirectly, yes: campaigns reveal within weeks which queries convert, and those are the ones SEO should target. A site that converts paid clicks well will also convert organic traffic.
What is the minimum Google Ads budget for an SME?
It depends on your market's cost per click. In France, under €500 of media budget per month it is hard to gather enough data to optimise; most SMEs start between €1,000 and €2,000 per month. We set the budget with you after estimating the cost per click, and it stays on your account.
How long before SEO results?
Technical fixes act within weeks on indexation; lasting rankings on competitive queries take 3 to 6 months. That is why we often combine SEA at the start with SEO in parallel.
Do I have to choose between the two?
Rarely. SEA brings leads from the first month and data; SEO gradually reduces your dependence on media budget. Every month, the cost per prospect of each channel is compared, and the budget follows what works.
What happens if I stop?
SEA stops the day the budget stops. SEO keeps producing: technical fixes, pages and links stay in place. That is why we see SEO as an asset and SEA as an accelerator.
I don't know which strategy to choose
20 minutes on a video call: we look at your site, your market and your budget, and tell you honestly where to start - even if it is not with us.