SEO vs PPC for B2B SaaS: What a Demo Costs on Each, and Which to Fund First
SaaS SEO17 min read

SEO vs PPC for B2B SaaS: What a Demo Costs on Each, and Which to Fund First

Published October 31, 2026

Nathan Ojaokomo
Nathan Ojaokomo
Content Writer + Strategist for B2B SaaS Companies

TL;DR

  • For most B2B SaaS teams, fund both, in order. Run ads first to learn which searches bring demos, then build SEO pages for those searches so the demos stop costing a click each.
  • Clicks on B2B SaaS buying searches ran from about $4 to $61 in SE Ranking’s US data. At $13.75 a click and a 3% demo rate, an ad demo costs about $458, every month.
  • In an example with $5,000 a month for SEO, SEO costs more per demo for the first nine months, then falls to about $167 by month 18. When pages start ranking moves that crossing point most.
  • Buy searches with high click prices you can’t rank for yet, write pages for high-price, low-difficulty searches now, and test lowering bids once a page reaches page one.
  • AI Overviews appear on 88% of commercial keywords in Semrush’s panel and often sit above the ads. In the US, ads can also show inside them.

In August 2026, a founder posted in r/B2BSaaS that Google Ads was bringing visitors and a few registrations, but “it so expensive it eats up my margins.” They asked how other founders get traffic without paying for Google Ads.

A Reddit post in r/B2BSaaS by u/Ok-Week1206 titled “Damn google Ads is expensive.. how do you get traffic?”, saying the ads bring some registrations but eat up their margins
A founder whose Google Ads bring sign-ups but cost too much (r/B2BSaaS)

For most B2B SaaS teams, my answer to SEO vs PPC is both, in order. Run ads first to learn which searches turn into demos. Build SEO pages for those same searches alongside, so the demos stop costing a click each.

I’m a content strategist at Breaking B2B and a B2B SaaS writer. I build the SEO side, not ad accounts, so the paid figures below come from published benchmarks and people who run ad accounts, as of October 2026. You’ll get a cost-per-demo comparison you can redo with your own numbers before the next budget meeting, the searches worth buying and the ones worth ranking for, and the order I’d fund them in.

SEO vs PPC: the short answer

PPC buys clicks today, and the clicks stop when the budget does. SEO builds pages that usually take months to rank but keep bringing visitors without a per-click charge. For a B2B SaaS company, compare what one demo costs on each channel. The usual answer is to test with ads and build SEO alongside.

SEOPPC (Google Ads)
What you pay forStrategy, writing and linksEach click
First resultsUsually weeks to monthsThe day ads are approved
When you stop payingPages keep ranking for a whileTraffic stops
Cost per visitFalls as pages rankStays at the click price
Best forSearches you can win and keepSearches you can’t rank for yet, launches and tests
AI answersCited pages get mentioned even without a clickAds can show inside AI Overviews and AI Mode in the US

Ads work like renting an office: you have the space for as long as you pay. A page that ranks is closer to owning one, with upkeep. Renting first makes sense when you don’t know yet which rooms you need.

What a demo costs on each channel

Google Ads: click price × clicks per demo

Google Ads charges for each click, so your cost per demo is the click price divided by the share of clicks that request a demo.

LocaliQ’s 2026 Google Ads benchmarks, built from 13,474 US search campaigns, put the median click at $5.42 and the median cost per lead at $66.69 across all industries. That’s the first drop in cost per lead in five years. Business Services, the closest category to B2B SaaS, runs at $5.87 a click, a 4.85% conversion rate and $93.69 per lead.

Those figures mix plumbers, law firms and software companies, and a “lead” in a benchmark can be any conversion an advertiser counts, from a newsletter sign-up to a demo request. B2B SaaS clicks usually cost more.

One practitioner who manages paid search for more than 65 B2B SaaS accounts shared two years of averages in r/DigitalMarketing. Non-brand searches cost $13.75 a click and $207 per lead, against $3.12 and $34 when people searched for the company by name. The figures are self-reported and pooled across the US, the EU and India, and their click prices and conversion rates don’t multiply out to the same cost per lead. Read them as one account manager’s view of the market, not a benchmark.

A Reddit post in r/DigitalMarketing by u/Temporary_Meeting182 titled “Some real Google Ads numbers for anyone doing B2B SaaS PPC”, listing brand and non-brand cost per lead and cost per click across 65+ accounts
Two years of averages from 65+ B2B SaaS ad accounts, self-reported (r/DigitalMarketing)

Keyword tools’ click estimates can sit far below what you pay in the auction. An ads manager in r/PPC took on a construction software startup with a $1,000 budget and one goal, a paying customer at $249 a month. Their keyword tool estimated $0.11 to $0.70 a click. A former WordStream employee replied that high-intent, non-brand SaaS searches are more likely to cost around $20.

A Reddit post in r/PPC by u/Intrepid-Common9850 titled “Google ads for B2B Saas ?”, asking whether a $1,000 ad budget can win one paying user for a construction SaaS priced at $249 a month
A $1,000 budget to win one $249-a-month customer (r/PPC)

Another reply worked through the math at $25 a click, with 5% of clicks becoming leads and 10% of leads buying. That’s 40 clicks, two leads and a fifth of a customer for $1,000, or about $5,000 in ad spend per customer. It’s a reply’s arithmetic, not a campaign result, but it shows why a click-price estimate is a poor base for a budget. A short test of your own gives you a real one.

Here’s the calculation with the non-brand click price above and an assumed 3% of clicks requesting a demo:

StepExampleYour numbers
Cost per click$13.75From your account or a test campaign
Clicks per demo request33 (3% request a demo)100 ÷ your demo rate (%)
Cost per demo requestAbout $458Cost per click × clicks per demo

Paid leads also tend to close less often. In First Page Sage’s B2B SaaS funnel benchmarks, 0.7% of paid search visitors become leads, against 2.1% from SEO. After that, about 1.2% of paid search leads become customers, against about 3.7% of SEO leads. That’s one agency’s client data, but it matches what several Reddit replies warned about: the cheapest leads aren’t always the ones that close.

SEO: monthly cost ÷ the demos pages bring once they rank

SEO has no click price. You pay for strategy, writing and links whether or not anyone visits yet. Across the 46 B2B SaaS SEO agencies that publish prices, the cheapest monthly tier has a median of $4,250, or $5,000 once content is included. A freelance writer costs less per month, at rates set per article or per word, with the strategy left to you or your team.

Your SEO cost per demo depends on when pages start ranking. In the example below, I’ve assumed $5,000 a month, no organic demos for the first three months, then visits from buying searches growing by 150 a month from month 4. I’ve used the same 3% demo rate as the ads example, which favors ads, since First Page Sage measures organic visitors converting at three times the paid rate.

When the lines cross

In this example, SEO costs about $1,111 per demo by month 6, against $458 for ads. The lines cross between months 9 and 10. By month 12, SEO is at about $296 a demo, and by month 18, about $167.

A line chart of cost per demo over 18 months: Google Ads stays flat at $458 while SEO falls from $1,852 in month 5 to $167 by month 18, crossing between months 9 and 10
An example with stated assumptions: ads cost the same per demo every month, while SEO gets cheaper as pages rank

Over 18 months, the same $90,000 buys about 196 demos through ads and about 540 through SEO. The SEO demos arrive late, though. Only 27 of them come in the first six months, against about 65 from ads, which is why I wouldn’t fund SEO alone if you need pipeline this quarter.

To redo it with your numbers, swap three inputs: your click price from a test campaign, your visitor-to-demo rate from analytics, and your SEO budget. The month your pages start ranking moves the crossing point most. In my experience, on a site Google already trusts, buying pages usually start bringing visits somewhere between month 3 and month 6.

Which keywords to buy and which to rank for

Ads and SEO compete for the same searches, so the useful question for each search is whether it’s cheaper to rent or to own. I pulled US click prices, monthly searches and difficulty scores from SE Ranking for searches B2B SaaS buyers make when they’re choosing a tool:

SearchMonthly searchesCost per clickDifficulty (0–100)What I’d do
email marketing software27,800$61.0697Buy it; ranking is a long project
customer success software480$32.6037Write the page now
help desk software1,900$30.0072Buy now, build toward it
intercom alternatives90$25.0110Write the page now
hubspot alternatives590$24.3521Write the page now
payroll software27,800$22.3783Buy now, build toward it
salesforce alternatives140$17.1627Write the page now
sales engagement platform760$16.7422Write the page now
project management software74,000$10.5480Buy now, build toward it
hubspot vs salesforce610$8.5312Write the page now
langsmith alternatives110$7.5611Write the page now
asana vs monday80$3.7920Rank for it; ads save little

SE Ranking’s volume estimates for several of these jumped recently, so treat the search counts as rough. Here’s how I read the table:

  • High click price, low difficulty. Write the page now. “intercom alternatives” costs about $25 a click with a difficulty of 10, so every click a ranking page wins is one you don’t pay $25 for.
  • High click price, high difficulty. Buy it now and build toward it. A newer site will usually take a long time to rank for “help desk software” at difficulty 72, so ads cover the gap while you publish the comparison and use-case pages around it.
  • Low click price. Rank for it, and don’t expect ads to save much. At $3.79 a click, “asana vs monday” is cheap to buy, and comparison pages like it often rank faster than category pages.

Langfuse, the open-source LLM observability tool, shows what owning a search looks like. Its LangSmith comparison page was the top organic result for “langsmith alternatives” when I checked Google’s US results. Above it, two competitors, Arize and Pydantic, were paying for ads on the same search. Arize also had a docs page further down the organic results, which is the both-channels approach on a single search. Langfuse built pages like this early, as I covered in what SEO can do for a startup at each stage.

To build a list like this for your category, start with the searches buyers make right before they pick a tool: competitor alternatives, “X vs Y”, pricing and integrations.

How long SEO and PPC take to work

Ads send clicks as soon as Google approves them. If you use Smart Bidding, Google shows a “Learning” status for up to seven days after major changes, and says performance usually settles within one to two conversion cycles. Optimize a test for demo requests rather than closed deals, because a B2B sales cycle can run for months.

SEO runs on several timers. Google indexes a page first, the page climbs the rankings, and demos come after that. On a site Google already trusts, a new page usually takes weeks to a few months to rank, and a brand-new site often needs six to twelve months.

The difference for a budget is what happens when you stop paying. Ad traffic stops the day spending does. A page that ranks often keeps bringing visits for months with only upkeep, which is why the SEO line in the chart keeps falling while the ads line stays flat.

How AI answers change the comparison

AI Overviews now sit above both ads and organic results on many buying searches. On Google’s US results for “hubspot alternatives”, the AI Overview filled the top of the page, with sponsored results under it and the organic results below those.

Google’s US results for “hubspot alternatives”, showing an AI Overview at the top, then sponsored results from ActiveCampaign, Close, Lightfield and HubSpot
On a B2B SaaS buying search, the AI Overview comes first, then the ads, then the organic results

Semrush found AI Overviews on 88% of 400 commercial keywords, and on every software search for “alternatives” and “best X for Y” in that set. When an AI Overview appears, Ahrefs measured a 58% lower click-through rate for the page in position 1, measured over two years across 300,000 desktop keywords. I keep both numbers, with their samples, in my AI search statistics, along with the studies that disagree.

The ads now run inside the AI answers too. Google’s Ads Help says existing Search, Shopping and Performance Max campaigns are automatically eligible to show in AI Overviews and AI Mode, with no separate budget and no way to opt out of those placements alone. Inside the AI answer, ads run in English in the US and a short list of other countries, including Canada, Australia and India. The UK and EU aren’t on that list. Exact and phrase match keywords show there only when the search itself is commercial, and matching ads to longer, exploratory questions needs broad match, AI Max or Performance Max. Google also says buying ads doesn’t change what its AI writes in the organic answer.

For each channel, that means:

  • Ads. You can still buy the top of the page, and on US searches the inside of the AI answer too. To reach the longer questions, you hand Google more say over which searches you pay for.
  • SEO. Ranking pages get fewer clicks than they used to when an AI Overview shows. Pages the AI answer cites still put your name in front of buyers who never click, and the pages AI answers cite tend to be pages that rank well and the third-party lists buyers read, which is how I approach getting a SaaS brand into ChatGPT’s answers.

When to put ads first, SEO first, or both

The right order depends on your stage and how much your clicks cost:

Your situationStart withWhy
Still changing your message or pricingAds, on a small budgetAds test a message in weeks, and a page built on last month’s positioning has to be rewritten
Series A with one marketerAds on buying and competitor searches, then SEO on the pages those ads proveThe ads show which searches bring demos, so one person’s writing time goes where buyers already are
Growth stage with a content teamSEO first, with ads filling the gapsPages keep adding demos, and ads cover what you can’t rank for yet and protect your brand name
Crowded category with expensive clicksSEO on low-difficulty buying searchesAt $25 or more a click, each search you rank for saves the most, so buy only where the math holds
New category nobody searches for yetNeither on search, at firstWith no searches to bid on or rank for, demand has to come from LinkedIn, communities and partners first

In my experience, the first row catches more early teams than any other. If your positioning changed twice this year, ads and sales calls will usually teach you more for the money than SEO pages, which I’ve covered in more depth in when SEO should and shouldn’t come first for a startup.

How to run SEO and PPC together

This is the order I recommend to B2B SaaS teams: test with ads, then build SEO around what the test shows, so the business isn’t paying a click charge for every customer forever.

1. Run a small search campaign on buying searches

Bid on competitor and alternatives searches, “[category] software” and pricing searches, and send the clicks to a page that explains the product. Make the test big enough to read, because a small budget spread thin rarely gives an answer.

Aleksandra Zhdanova shared on Indie Hackers that their EU affiliate-tracking startup spent €326.96 over five weeks in eight countries for 99 clicks and one tracked signup. A reply pointed out that 99 clicks across eight markets is too few to pick a winning keyword. The founder of Paperflow, a document software tool, reported $172 for 14 clicks, three signups and no paying customers, and turned to learning SEO instead.

An Indie Hackers post by Aleksandra Zhdanova titled “€327 on Google Ads: 99 clicks and 1 tracked signup”, describing a five-week campaign across eight EU countries
Five weeks, eight countries and €327 for one tracked signup (Indie Hackers)

Fewer countries and fewer keywords usually give a small budget enough clicks per keyword to compare.

Fix the page before you judge the channel. The founder from the intro sent ad clicks straight to a studio page that asked people to sign up before explaining the product. The top reply suggested a simpler page, a comparison table or a short demo video before the sign-up. In r/SaaS, when a team with SEO and email already bringing leads asked whether Google Ads was worth it, one reply asked whether traffic was the bottleneck at all. A comparison page or a two-minute demo is often cheaper than more clicks.

2. Read the search terms report

Google’s search terms report lists the searches people typed before clicking your ads, including the ones that triggered ads inside AI Overviews and AI Mode. Sort it by demo requests. The searches that brought demos are your SEO plan. The ones that brought clicks and no demos are pages you can skip.

If you link Search Console to Google Ads, the paid and organic report shows ad clicks and organic clicks for the same search side by side, which makes steps 3 and 4 easier to track.

3. Write those pages first

Comparison, alternatives, pricing and use-case pages sit closest to a purchase, so they usually bring demos soonest. Start with the searches that brought demos in the test, and write the bottom-of-funnel pages buyers read before they book a call before anything aimed at people still learning about the problem. The rest of the plan follows the publishing order I use for SaaS content strategy.

4. Test lowering bids once a page ranks

When a page reaches page one for a search you’re buying, cut the bid on that search for a few weeks and watch total demos from both channels, not ad demos alone. Google suggests the paid and organic report for this kind of test, to see how bid changes raise or lower combined clicks. If total demos hold, keep the savings. If they drop, the ad was bringing demos the page wasn’t, so put the bid back. Results vary from search to search, so test one group at a time.

5. Keep ads where SEO can’t win yet

Keep buying the searches you can’t rank for yet, like the high-difficulty category searches in the table, and protect your brand name if competitors bid on it. On “hubspot alternatives”, HubSpot itself runs an ad, under three competitors’ ads.

A bootstrapped B2B SaaS team described this plan in r/digital_marketing. They were torn between “investing heavily in SEO vs running PPC campaigns for faster results.” The top reply suggested running paid while organic grows, then moving the ad budget to products or pages that don’t rank yet. The team replied that they were already using PPC to test messaging and keywords and feeding what they learned into their content.

Reddit replies in r/digital_marketing where u/Apart-Rabbit-8464 suggests using PPC while SEO grows, and the original poster says they use PPC to test messaging and keywords and feed it into their content strategy
A bootstrapped B2B SaaS team using ads to test messaging and keywords for their content (r/digital_marketing)

Test Microsoft Ads too. A practitioner in r/PPC reported that a B2B SaaS client’s cost per lead on Microsoft Ads was nearly 59% lower than on Google, with less volume. One client isn’t a rule, but a small test next to your Google campaign costs little.

What to report to leadership

Three numbers show leadership whether the plan is working:

  • Cost per demo by channel. Ad spend ÷ ad demos, and SEO spend ÷ organic demos, each month.
  • Blended customer acquisition cost. Total spend on both channels ÷ new customers from search.
  • The share of demos from pages you own. Organic demos ÷ all demos from search, month by month.

Bring the last one to the budget meeting. As the share of demos from your own pages rises, you can lower the ad budget without losing demos, which is the reason to rent first and buy later. The other SEO KPIs that tie to pipeline fill in the rest of the report.

SEO vs PPC FAQs

Is SEO the same as paid search?

No. SEO earns unpaid listings in Google’s organic results. Paid search buys ad placements, usually charged per click.

Which is cheaper, SEO or PPC?

Per demo, SEO usually ends up cheaper once pages rank, because you stop paying for each click. PPC is cheaper when you need demos this month, since SEO spends money for months before pages bring any.

Do Google Ads help SEO rankings?

No. Google says investment in paid search has no impact on organic rankings. Ads help SEO indirectly, by showing which searches bring demos.

What’s the difference between SEO, SEM and PPC?

SEO is the work of earning organic rankings. PPC is advertising where you pay for each click, on Google, Microsoft or LinkedIn. SEM means marketing on search engines. Some people use it for paid search only and others for paid search and SEO together, so ask which one a vendor means.

If your ads are bringing demos and you want pages that bring them without a click charge, book a call with me. I’m a B2B SaaS writer and strategist, and on the call, we’ll look at your search terms report and pick the first pages to write.

Nathan Ojaokomo

Nathan Ojaokomo

B2B SaaS Writer and Strategist · Bottom-Funnel Content

Nathan Ojaokomo is a B2B SaaS writer and strategist who specializes in bottom-funnel content. He helps Series A+ companies target commercial keywords and create content that ranks on Google, earns AI citations, and drives pipeline from organic search.

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