For B2B, this is the sharpest matchup of the three. Both channels can deliver serious pipeline, but they reach the buyer at opposite moments: Google catches them when they act, LinkedIn reaches them because of who they are.
Google: capture the buyer who's searching
When a B2B buyer searches "vendor risk management software," they've named the problem and started shopping. Google puts you in that moment. The intent is already there, so Search consistently returns the lowest cost per qualified lead of the paid channels, you're converting demand, not manufacturing it.
The limit is search volume. Google can only reach buyers who type the query. In niche or emerging B2B categories, the total addressable search demand is small, sometimes only a few hundred relevant searches a month, and once you've captured it, there's no more to buy. You've hit the ceiling of existing intent.
It's a ceiling founders hit on calls all the time. Someone in a narrow B2B category pours budget into Google, captures the little demand there is within a couple of weeks, and then can't understand why it won't scale. Nothing is broken, there's simply nothing left to capture. That is the exact moment LinkedIn becomes the primary channel: you go and reach the specific roles who have the problem but were never going to type it into a search bar.
LinkedIn: target the buyer who isn't
LinkedIn doesn't wait for intent. You name the person, "VP Operations at logistics companies, 500+ staff", and reach them whether or not they've ever searched for you. That's how you get in front of demand that doesn't yet exist as a query, and how account-based campaigns reach a defined list of target accounts.
The cost is intent and price. You're interrupting someone who wasn't looking, at the highest cost per click of the major channels, so cost per lead is higher and the sales cycle longer. It pays off when the deal is large and the buyer would never have found you through search alone.
Side by side
| Google Ads | LinkedIn Ads | |
|---|---|---|
| Reaches buyer | When they search | Because of who they are |
| Demand | Captures existing | Reaches latent / creates |
| Targeted by | Keywords / search terms | Job title, company, seniority |
| Buyer intent | High | Low, but exactly the right role |
| Cost per lead | Lower (warm intent) | Higher (cold, premium) |
| Ceiling | Total search volume | Size of your target account list |
| Best for | Categories people search for | Niche/emerging categories, ABM, exact roles |
Which to choose
Lead with Google if people search for your category. It's the cheapest, warmest B2B demand you can buy, and the fastest read on whether your offer converts. Start there, capture all of it, then look for more.
Lead with LinkedIn if almost nobody searches for what you do yet, or you're running account-based campaigns against a named list. LinkedIn reaches the exact people who have the problem before they've gone looking for a fix.
Why most B2B teams run both: they're complementary halves of the same funnel. LinkedIn creates awareness and demand among the right roles; Google captures the branded and category searches that awareness produces; and you retarget the people each one warmed up. Google alone caps out at existing search volume; LinkedIn alone pays a premium for every touch. Together, one creates the demand the other captures.
The takeaways
- Google captures B2B buyers at the moment of search; LinkedIn targets the exact role regardless of intent.
- Google returns lower cost per qualified lead but is capped by search volume; LinkedIn reaches latent demand at a premium.
- Lead with Google if your category is searched; lead with LinkedIn if it isn't yet, or you're running ABM.
- Run both when you can: LinkedIn creates the demand, Google captures the searches it generates.