Marketing7 min readNov 2025

Paid ads vs SEO: where should you invest first?

A practical framework for deciding how to split your marketing budget between paid advertising and search engine optimisation.

Paid ads vs SEO: where should you invest first?

“Should we do ads or SEO?” is one of the most common questions we hear — and the honest answer is that they do different jobs. The right split depends on your timeline, your margins and your goals.

Speed vs compounding

Paid ads buy you visibility today; the moment you stop paying, it stops. SEO is slower to build but compounds — the traffic keeps coming without paying per click.

  • Ads — fast, controllable, but rented
  • SEO — slower, durable, and owned

When to lead with paid ads

If you need results now — a launch, a promotion, a new location — ads get you in front of buyers immediately and let you test messaging fast.

When to lead with SEO

If you’re playing the long game and want to reduce your cost of acquisition over time, SEO builds an asset that keeps paying back long after the work is done.

Our take — Most businesses shouldn’t choose. Use ads to create momentum now, and SEO to lower your costs later. Together they compound.

A simple starting split

When in doubt, start with enough paid budget to learn what messages convert, and invest in SEO in parallel so tomorrow’s traffic costs less than today’s.

Not sure how to split your budget?

We build blended plans — paid for momentum, SEO for compounding — matched to your goals.

Talk to ABAB

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