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SEO vs Google Ads: where should you spend first?

By the OneRoof Ventures team · Updated · 2 min read

Quick answer

Google Ads brings leads within days but stops when you stop paying; SEO takes 4–6 months to build but keeps bringing traffic without paying per click. Start with Google Ads if you need leads now and have a budget for ad spend; start with SEO if you can wait and want lower long-term cost. Most growing businesses run both: ads for immediate demand, SEO for compounding visibility.

Key takeaways

  • Ads = speed and control. SEO = compounding, lower cost over time.
  • Use ads data to find which keywords convert, then target them with SEO.
  • Local businesses should always set up their Google Business Profile, whatever else they do.
On this page
  1. SEO vs Google Ads at a glance
  2. Start with Google Ads if…
  3. Start with SEO if…
  4. Frequently asked questions

SEO vs Google Ads at a glance

SEOGoogle Ads
Time to results4–6 monthsDays
Cost modelMonthly agency fee, no cost per clickAgency fee + you pay per click
When you stopResults fade slowlyTraffic stops immediately
ControlLow; depends on Google's rankingHigh; choose keywords, budget, timing
TrustMany people trust organic results moreMarked as 'Sponsored'
Also helps AI answersYesNo

Start with Google Ads if…

  • You need enquiries this month.
  • You're launching a new business, offer or location.
  • Your website is new and won't rank for a while.
  • You want to test which keywords and offers actually bring customers.

Start with SEO if…

  • You can wait a few months for results.
  • Clicks in your industry are expensive.
  • Customers research before buying and read guides and reviews.
  • You want to show up in AI answers too (read about AEO).

Compare SEO package prices and Google Ads agency fees.

Frequently asked questions

Does running Google Ads improve SEO rankings?

No, paying for ads doesn't directly change organic rankings. But ads data shows which keywords convert, which helps you choose what to target with SEO.

What should I do with a small budget?

Set up and optimise your Google Business Profile (free), ask happy customers for reviews, and then put your first paid budget where your customers are: Google Ads if they search, Meta Ads if they don't.