The standard advice is to run both. It is also useless to the many businesses whose entire marketing budget would be swallowed by either channel alone. If you genuinely have to pick one for the next twelve months, the decision comes down to a handful of specifics about your business rather than a general argument about which channel is better.

How fast do you need enquiries?

This is the first filter and often the only one that matters. Paid search can produce enquiries in the week it launches. Organic search rarely produces meaningful volume inside three months and often takes longer in competitive categories.

If you have runway and want to build something durable, organic is the better use of the money. If you need pipeline this quarter to keep the lights on, or you are testing whether a new service line has any demand at all, paid search is the only sensible choice. Building a content and technical programme to answer a question you could answer in three weeks with ads is an expensive detour.

What is a click actually worth in your category?

Some categories have brutal cost-per-click. Legal, insurance, trades in major cities, anything where a single conversion is worth thousands. If your average sale is modest and your category's clicks are expensive, paid search maths gets ugly quickly, and organic becomes the only channel that can work at your margin.

Run the numbers before deciding. Take a realistic cost-per-click for your main terms, a conservative conversion rate, and your close rate. If the resulting cost per sale exceeds what a sale is worth, the decision has been made for you. There is a clear side-by-side of how the two channels compare on this dimension in this breakdown of paid advertising against SEO.

How stable is what you sell?

Organic search rewards consistency. It works best when the thing you sell, and the words people use to look for it, stay recognisable over years. Professional services, trades, healthcare, established products.

Paid search handles volatility far better. Seasonal ranges, launches, promotions, stock that changes weekly, event-driven demand. If your offer changes faster than pages can be built and earn authority, ads will keep up and organic will not.

Can your site actually convert?

Neither channel fixes a bad site, but paid search punishes one harder because you are paying for every visitor who bounces. If your site is slow, unclear about what you do, or missing an obvious way to make contact, spending on ads is spending on leaks.

Organic work at least tends to improve the site along the way. If your website is weak and cannot be fixed soon, the organic route has a useful side effect.

Who is going to run it?

Paid search left alone drifts. Budgets shift to whatever the platform finds easiest, search terms broaden, and spend goes to queries you would never have chosen. It needs a hand on it weekly, whether that is someone internal with real experience or an external Google Ads management partner.

Organic work is more forgiving of gaps in attention but far less forgiving of gaps in expertise. A neglected month costs you little; a year of the wrong strategy costs you the year.

A practical way to decide

Write down four numbers: your average sale value, a realistic cost-per-click for your main terms, how many months of budget you have before you need results, and how many enquiries a month you need to hit target.

If the cost per sale from paid works and you need results inside a quarter, run ads. If the cost per sale from paid does not work, or you have twelve months and want an asset at the end of it, run organic. If both work, start with ads to learn which queries actually convert, then use that evidence to decide what to build organically. That sequence gets you both channels eventually, funded by the first one.