SEO vs Google Ads: where should you invest?

SEO or PPC? It is one of the most common questions in B2B marketing. The short answer: do not choose, combine. But the order and the ratio matter. Google Ads gives you fast results, SEO builds a lasting foundation. For most B2B companies, SEO is the foundation and paid is the accelerator. In this article you will read why, and how to choose.

Work it out yourself: put a euro figure on your organic traffic with our free SEO ROI calculator.

The short answer

Do you want leads tomorrow? Then go with paid advertising. Do you want a channel that keeps paying off, even when your budget stops? Then invest in SEO. The strongest B2B brands do both, but they build SEO as the foundation and use ads to accelerate and to test.

Leaning on Google Ads alone is risky. We will come back to that shortly.

SEO vs PPC: the difference in brief

SEO and PPC both aim for visibility in Google. The difference lies in how you earn that visibility. With SEO you build authority and content, as the Google SEO starter guide describes. With Google Ads you pay for your spot, and you disappear the moment you stop paying. Below we walk through the five dimensions that decide the choice in practice.

Speed: paid buys time

Google Ads is live as soon as your campaign is approved, usually within 48 hours. SEO typically needs 3 to 6 months before a new page starts to rank structurally. If you want to test a new offer or a new market, that time gap is decisive: you know within a week whether the demand is there, instead of after a quarter. The common mistake is confusing speed with durability, because those fast leads disappear again the moment the budget stops.

Cost over time: the curves run in opposite directions

With Google Ads you pay per click, and that price rises as more competitors bid on the same keyword. So your cost per lead stays flat or climbs. With SEO you invest up front in content and authority, after which the same page delivers leads for years without click costs. In practice we see the cost per lead from organic traffic fall while the paid one stays consistently high. Run the numbers for your own situation with our SEO ROI calculator, and compare that with what SEO costs and what Google Ads costs.

Durability: owning versus renting

This is the sharpest difference. A top organic position keeps paying off, even if you do nothing for a month. An ad stops the moment your budget runs out. With SEO you build an asset in your own name, with Google Ads you rent visibility for as long as you pay. The common mistake is building an entire business on rented traffic, where a single budget stop or a single bidding war drains your pipeline.

Control: precision versus slowness

Google Ads gives you buttons that work immediately: you switch a keyword on or off, adjust your bid, target a region or a time of day. SEO steers more slowly and more indirectly, because you build authority and wait for Google to recognise it. For a temporary campaign, a trade show or a seasonal peak, that direct control is worth gold. For structural growth the slowness of SEO weighs less heavily, because you are building for the long term anyway.

Click trust: the ad label

Not every click is equal. A share of searchers deliberately skips ads and trusts the organic results more, certainly in B2B where people want to weigh up a supplier thoroughly. A strong organic position radiates an authority that is harder to buy with an ad. That does not mean ads do not convert, but it does mean organic visibility helps build your credibility, which counts in a long B2B purchase.

The trap of Google Ads only

Many companies start with Google Ads because it works fast. That makes sense. But anyone leaning on paid alone builds a channel that is entirely dependent on budget. Switch the ads off and your traffic stops. You rent your visibility, you do not own it.

With a high average order value, paid-only can sometimes work out. But for most B2B companies it is not a sustainable long-term strategy. Your cost per lead stays high, and your growth stops the moment the campaign stops.

Why SEO is the foundation for B2B

In B2B, buyers research for a long time before they get in touch. Most B2B researchers look for extensive information online first before they talk to a supplier, a pattern that Semrush’s comparison of SEO and Google Ads frames well. If you are not visible in that phase, you do not exist on their shortlist.

SEO builds exactly that visibility, and it keeps paying off. One strongly ranking page can deliver leads for years, without you paying per click. The cost per lead falls as your authority grows. That is why SEO is not a luxury for B2B, but a foundation.

Not sure whether your SEO is in order? Start with a free SEO check to see where you stand.

When do you choose what?

• You need leads fast or you are testing a new market: start with Google Ads.
• You want to structurally lower your cost per lead: invest in SEO.
• You want to grow sustainably and become less dependent on budget: build SEO as the base, and use ads where they count.
• You have budget for both: combine. That delivers the most.

The smartest approach: combine

SEO and Google Ads reinforce each other. The keywords that convert in your ads tell you exactly what to focus on with SEO, which immediately sharpens your keyword research. And while SEO builds up, ads capture the demand that already exists today.

The two channels form a single cycle: paid tests demand fast, the winning keywords feed your SEO, and where you rank top organically you can scale paid back.

We do both, with focus on one goal: more leads. For Facilicom we lowered advertising costs by 25% by optimising the Google Ads quality score. For Gom Nederland a strong SEO approach delivered 400% more daily visitors. One buys speed, the other builds a lasting ROAS.

More traffic alone is not enough, by the way. The fastest win often lies in what you do with that traffic next: being relevant, giving people exactly what they are looking for straight away, and getting more leads out of the same traffic.

Common mistakes

Seeing paid as the end station. The biggest mistake is thinking that a running Google Ads campaign means your marketing is done. As long as you build nothing in SEO, every lead stays a rented lead. Use paid to accelerate and to learn, but lay the organic foundation at the same time.

Expecting SEO to be a quick button. Conversely, companies get discouraged because SEO still delivers nothing after six weeks. That is normal: SEO is an investment that needs months to pay off. Anyone who stops too early throws away the authority they built.

Not using the data from one channel for the other. Your ads show in black and white which keywords deliver leads. Ignoring that insight in your SEO choices is a waste. The other way round, your best ranking pages show where paid becomes redundant.

Stopping at more traffic. More visitors is not a goal in itself. Without a page that turns visitors into leads, you pay for traffic that leaks away. The conversion after the click decides whether your ROAS adds up.

Not sure what works for you?

We are a small team, so we move fast and think along with you instead of selling you a standard package. Tell us your goal and your situation, and we will tell you honestly what you are best off investing in. Book your free intake and within 24 hours you will hear what the smartest mix is for you.

Frequently asked questions

Is SEO or PPC cheaper?

In the short term, Google Ads is more affordable to start with, because you do not need months of build-up. In the long term SEO often wins, because your cost per lead falls while the paid one stays flat or rises. The honest conclusion: paid is cheaper to start fast, SEO is cheaper to sustain.

Can I grow with Google Ads only?

You can, certainly with a high order value where one deal earns back a lot of clicks. But it stays rented growth: switch the campaign off and your traffic stops. For most B2B companies paid-only is not a sustainable strategy, because you never build your own organic base.

How do I split my budget between SEO and Google Ads?

There is no fixed ratio, but a workable starting point is to deploy paid on the keywords that already deliver leads while investing in SEO for the themes you want to rank for sustainably. As your organic positions grow, you can scale paid back on keywords where you already rank top organically.