Short answer: use LinkedIn Ads when your buyer is a narrow, well-defined persona (specific title, company size, industry) and you're building awareness against a target account list. Use Google Ads to capture buyers already searching for your category. Most mature B2B programs run both — LinkedIn creates demand, Google captures it.
LinkedIn Ads and Google Ads solve different problems for a B2B buyer journey, and the platforms get compared on cost per click far more often than on what each one is actually built to capture. LinkedIn targets who someone is; Google targets what someone is actively searching for.
Where LinkedIn Ads wins
- Firmographic and job-title targeting. Reaching a specific seniority level at companies of a specific size or industry is something no other major ad platform can replicate at the same precision, since it comes directly from professional profile data.
- Account-based marketing fit. Matched audiences let a company upload a target account list and serve ads only to people at those specific companies, aligning paid spend directly with a sales team's target list.
- Top-of-funnel awareness for a narrow buyer. When the total addressable audience is small and well-defined (a specific title at companies above a certain size), LinkedIn reaches that audience with far less wasted spend than keyword-based platforms.
Where Google Ads wins
- Capturing existing intent. Someone searching a specific product category or competitor name has already identified a need, which converts at a fundamentally different rate than an interruption-based feed ad.
- Lower cost per click in most categories. Outside a handful of highly competitive B2B SaaS keywords, Google's cost per click is generally lower than LinkedIn's, since LinkedIn's premium reflects targeting depth Google doesn't offer.
- Bottom-of-funnel volume. Search ads reach buyers actively comparing options right before a decision, which is a different (and often higher-converting) moment than a LinkedIn feed impression.
Matching the platform to the funnel stage
| Funnel Stage | Better Fit | Why |
|---|---|---|
| Awareness, narrow target account list | LinkedIn Ads | Firmographic precision reaches the exact buyer |
| Active comparison, bottom of funnel | Google Ads | Captures existing search intent |
| Broad market, undefined buyer persona | Neither, refine targeting first | Both platforms need a defined audience to work efficiently |
A practical way to decide
A company with a narrow, well-defined buyer (a specific title, at companies above a certain size, in a specific industry) gets more from LinkedIn's targeting depth, even at a higher cost per click, because the audience precision reduces wasted spend elsewhere. A company whose buyers actively search for solutions by category or by name captures more value from Google Ads, since it meets existing intent rather than trying to create it. Most mature B2B paid programs eventually run both, using LinkedIn for account-based awareness and Google to capture the demand that awareness generates, rather than treating the two as competing options for the same budget.
FAQ
Why is LinkedIn's cost per click so much higher than Google's?
LinkedIn's targeting is built on firmographic and job-title data that no other ad platform can match at the same depth, and B2B advertisers are willing to pay a premium to reach a specific title at a specific company size. Google's cost per click reflects broad keyword competition across every industry bidding on the same terms, which is a different kind of scarcity than LinkedIn's audience precision.
- LinkedIn's premium reflects targeting precision (job title, seniority, company size) that has no real substitute.
- Google's cost reflects keyword competition, not targeting depth, so the two costs aren't measuring the same thing.
Can a B2B company succeed with only one of these platforms?
Yes, depending on the buying motion. A company selling into a narrow, well-defined buyer persona at specific company types often gets more from LinkedIn's targeting alone. A company whose buyers actively search for solutions by name or by problem tends to see Google Ads carry more weight, since it captures existing intent rather than needing to interrupt with an ad. Most B2B budgets that run both do so because the platforms capture buyers at different points in the decision, not out of redundancy.
- A narrow, well-defined buyer persona favors LinkedIn's targeting depth.
- Buyers who already search by problem or solution name are better captured by Google's intent.