SEO or PPC? Where a UK Small Business Should Start
Start with PPC if you need enquiries within weeks. Start with SEO if you are building over years and can wait three to six months for results. Most established businesses end up running both, doing different jobs — but if you can only fund one, the answer turns on your timeline, your margins, and whether your customers actually search.
Prabhu SolutionsPublished 6 September 2026Last reviewed 19 September 20267 min read
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How do SEO and PPC compare?
PPC produces first enquiries in days and stops the moment you stop paying. SEO takes three to six months, then compounds and decays only slowly. Most established businesses run both, doing different jobs — search engine optimisation for compounding value and paid advertising for volume you can turn up this week.
| Factor | PPC | SEO |
|---|---|---|
| First enquiries | Days | 3–6 months |
| When you stop paying | Traffic stops immediately | Traffic decays slowly over months |
| Cost per enquiry over time | Roughly flat | Falls as authority builds |
| Predictability | High — you control volume | Low early, high once established |
| Competitive terms | Winnable with budget | May take years or never |
| Testing a market | Excellent | Too slow |
| Compounding value | None | Substantial |
When should you start with PPC?
Start with PPC when you need enquiries this quarter, when you are testing whether a market responds at all, when your margins can carry the cost per acquisition, when you are launching something new with no authority and no content, or when the organic results are dominated by directories you cannot realistically dislodge.
- You need enquiries this quarter. Nothing else delivers on that timeline.
- You are testing whether a market responds at all. Two months of PPC tells you more about demand than six months of speculation.
- Your margins can carry the cost per acquisition. High-value services usually can; low-margin products often cannot.
- You are launching something new with no authority and no content.
- The organic results are dominated by directories you cannot realistically dislodge.
When should you start with SEO?
Start with SEO when you are building over years and can survive the first six months without it, when you run a local business, when your customers search with commercial intent but low advertiser competition, when your budget is modest, or when the cost per click in your sector is punishing.
- You are building over years and can survive the first six months without it.
- You have a local business. Local search is cheaper, faster and less contested than almost any alternative, and most local competitors have not done it properly.
- Your customers search in ways with commercial intent but low advertiser competition — technical terms, specific processes, problem searches.
- Your budget is modest. A monthly retainer spent on SEO builds an asset that keeps working; the same amount of ad spend in a competitive market barely registers.
- The cost per click in your sector is punishing. Some UK verticals run to double-digit pounds per click, which changes the arithmetic completely.
What does the honest arithmetic look like?
It starts with two numbers most businesses never write down: what a customer is worth, and what you are willing to pay to win one. Take a business where a customer is worth £2,000 and it is willing to spend 15% to win one — £300 per acquisition. Everything else follows from that ceiling.
With PPC: if clicks cost £3 and one in twenty converts to an enquiry, an enquiry costs £60. If one in five enquiries becomes a customer, a customer costs £300. That works — exactly at the limit, with no room for a bad month.
With SEO: the same business needs only a small number of new customers a year to cover a monthly retainer at £2,000 each, and everything above that is margin. The catch is that the first six months produce almost nothing, so the business has to be able to survive that. What SEO costs per month in the UK sets out what drives the figure at the top of that sum.
Run those numbers for your own business before choosing. Most people do not, which is why the decision usually gets made on instinct.
The point
Most people do not, which is why the decision usually gets made on instinct.
What mistake do most people make?
Buying traffic before fixing conversion. If your website converts 1% of visitors and you double your traffic, you double your cost and get twice as many enquiries. Fix the conversion rate to 2% first and you get the same result from the traffic you already have.
Every future pound of traffic spend is then worth twice as much, which is why conversion rate optimisation belongs before either channel. Conversion work first, traffic second. It is unglamorous and it is almost always the right order.
In short
1%
If your website converts 1% of visitors and you double your traffic, you double your cost and get twice as many enquiries.
Questions people ask about this
Can I do both SEO and PPC on a small budget?
Usually badly. Splitting a small monthly budget between two channels tends to produce two underfunded programmes. Pick one, do it properly, and add the second when the first is working.
Does PPC help SEO?
Not directly — paid clicks do not improve organic rankings. Indirectly, yes: PPC data tells you which keywords actually convert, which is genuinely useful for prioritising SEO. That intelligence is worth having.
What if my customers do not search for what I sell?
Then neither channel is your priority, and an honest agency will tell you so. Some businesses are won through referral, trade relationships or outbound, and search is a poor fit. Test the search demand before committing to either.
How long should I give SEO before judging it?
Six months minimum, and expect the first three to look like nothing is happening. Impressions move first, then rankings, then enquiries. Cancelling at month three buys the cost and none of the return.
The work behind this article
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