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LinkedIn Ads & publicité B2B 18 min read

LinkedIn Ads B2B: The Formats Behind a 121% ROAS

| By Patrick de Carvalho

Contents

I ran my first LinkedIn ad in 2013, back when Sponsored Updates was the only format on the menu and the targeting stopped at job title and company size. I have watched the ad platform get rebuilt three times since. In 2026, for the first time, the data says something I did not expect to be saying this plainly: LinkedIn is the only major advertising platform delivering a positive return on ad spend (ROAS) in B2B, and the gap over Google Search and Meta is not close. This piece walks through what actually produces that number, format by format, with every figure attached to the report that measured it.

In short: LinkedIn Ads posted a 121% ROAS in 2025, up from 113% in 2024, against 67% for Google Search and 51% for Meta (Dreamdata, 2026). Thought Leader Ads cut cost per click by roughly 80% versus standard formats. Lead Gen Forms convert around 13%, three to four times a landing page. The catch: the B2B buyer journey now runs 272 days across 88 touchpoints, so none of this pays off on a two-week test.

Why LinkedIn is the only ad platform with positive B2B ROAS

Start with the number that matters, sourced to the party that measured it. The Dreamdata LinkedIn Ads Benchmarks Report 2026, built from 66 million sessions and 3.5 million complete customer journeys across thousands of B2B companies between August 2024 and July 2025, puts LinkedIn's ROAS at 121% for 2025, up from 113% the year before. Google Search sits at 67%, down from 78% in 2024. Meta comes in at 51%, up sharply from 29%.

That Google Search number is worth sitting with, because most coverage of this report skipped it. Search did not stagnate. It declined, while its own cost per click on non-branded terms rose 29% and click-through rates fell 26%. The channel B2B marketers trusted for a decade is getting more expensive and less effective at the same time LinkedIn is doing the opposite.

Among top-quartile advertisers, the gap widens further: LinkedIn reaches 279% ROAS, Google Search 138%, Meta 133%. And the cost side confirms the picture. Dreamdata's blended cost per company influenced on LinkedIn fell to €70.11 in 2025 (roughly $76), down from €154 the year before, against €110.37 for Google Search and €128.70 for Meta. Dreamdata is a Copenhagen-based revenue attribution firm, which is why its cost figures run in euros; the direction of the numbers does not change when you convert them.

None of this is targeting magic. LinkedIn sells access to declared professional identity: title, function, seniority, company size, industry. Google sells search intent. Meta sells behavioral inference. For a company selling to VPs of Finance at 50-to-500-employee firms, only one of those three is built to find that exact person.

Thought Leader Ads: what a small budget buys in 2026

Thought Leader Ads let you put paid spend behind a post from a personal profile instead of a company page. The feed treats it like organic content, not like an ad from a logo.

The clearest independent numbers come from ZenABM's 2026 account-based marketing (ABM) benchmarks report, built on 161,256 ads, $5.5 million in tracked spend, across 211 B2B companies in 29 countries. Median click-through rate (CTR) for Thought Leader Ads: 2.68%, against 0.42% for standard Single Image Ads, a 6.4x gap. Median cost per click (CPC): $2.29, against $13.23 for Single Image Ads.

Impactable, running its own book of B2B software-as-a-service (SaaS) accounts, reports a different but directionally identical picture: Thought Leader CPCs as low as $4.14 against $22 or more for standard brand campaigns, a 1.7x CTR lift and 1.6x more engagement over single-image ads, and video Thought Leader Ads running 5 to 10 times the CTR of static images. On pipeline, Impactable's SaaS accounts see 2.4 to 6x pipeline ROI once Thought Leader Ads feed into the rest of the funnel, plus a 33% lift in purchase intent and a brand lift 2 to 3 times higher than other platforms.

I am citing both firms because their absolute CPC numbers do not match ($2.29 versus $4.14) and I would rather show you the disagreement than pretend the format has one settled price. What both agree on, independently, is the ratio: Thought Leader Ads cost a fraction of a boosted company post and convert attention at several times the rate.

For a company running $3,000 a month, that gap changes what the budget can do. At ZenABM's median CPC, it buys roughly 1,300 clicks. At the Single Image Ads median, the same budget buys around 225. Same dollars, a different order of magnitude of traffic.

One condition, stated plainly: the format sponsors a real post. No post from a credible voice, no Thought Leader Ad worth running. The budget amplifies organic writing; it does not manufacture it.

Turning Thought Leader Ads into a sequence, not a one-off

The strongest usable pattern in Impactable's data is funnel structure, not any single ad. Accounts stacking a top-of-funnel educational post, a mid-funnel proof point, and a bottom-of-funnel offer against the same retargeted audience pull the 2.4 to 6x pipeline ROI cited above. Isolated, one-off boosts do not show up in that range in their reporting.

A sequence that fits a small B2B team, spread across six to eight weeks:

  1. Weeks 1 to 2: an educational post from the founder or a senior expert, framed around a problem the buyer already recognizes.
  2. Weeks 3 to 4: a named case, with a number attached, retargeted at people who engaged with the first post.
  3. Weeks 5 to 6: a solution-oriented post, methodology or results, retargeted again.
  4. Weeks 7 to 8: a direct offer, demo, audit, or webinar, aimed at the accumulated engaged audience.

Each stage narrows the audience to people who already raised a hand at the previous stage. That is the entire mechanism. It is not new, and it does not require any tool this article has not already named.

Lead Gen Forms: converting without a landing page

Lead Gen Forms stay on LinkedIn and arrive pre-filled with the viewer's profile data: name, company, title, email. The prospect confirms rather than types.

Datavinity's 2026 benchmark set puts native Lead Gen Form conversion at 10% to 18%, median 13%, against 2% to 6% for external landing pages, median 3.5%: a three-to-four-times gap driven by removed friction, not creative quality. Meet-Lea's February 2026 cost guide, updated in May, prices that lead at $75 to $150 through Lead Gen Forms against $100 to $200-plus through a landing page, a roughly 25% reduction in cost per lead. Cost varies by offer: gated content runs around $45, a webinar registration around $55, a demo request around $115, and "contact sales" as high as $150.

Two practices move the number further, based on how the format works rather than on a specific study: keep the form to three or four fields beyond what LinkedIn already pre-fills, since every additional field a person has to type is a chance to abandon; and add one open qualifying question, something like "what's the biggest obstacle you're facing with [topic]," which filters curiosity from intent without adding real friction, because it is the one field people expect to type anyway.

The honest caveat, buried in Meet-Lea's own numbers: a lead that costs almost nothing to submit is sometimes a lead that meant almost nothing by submitting. A one-tap form produces some volume of low-intent names alongside the real ones. Budget for a qualification step after the form, not instead of it.

The Revenue Attribution Report: proving revenue, not clicks

The Revenue Attribution Report, inside LinkedIn's Business Manager, connects your customer relationship management (CRM) system to your ad account so you can report revenue and pipeline instead of clicks and cost per lead. LinkedIn's own documentation confirms native connections to Salesforce, HubSpot, and Dynamics 365; other systems route through the Conversions API. Once connected, LinkedIn states data can take up to 72 hours to populate, and the account needs Business Manager admin access to set up.

What it reports once running: revenue won, pipeline generated, ROAS calculated against closed revenue rather than lead volume, and lead-to-deal conversion. Given the 272-day average journey documented above, a first reliable read needs three to four months of connected data at minimum. Set it up in week one and you will still be waiting through the second quarter for a number worth acting on.

The report changes what a board conversation about LinkedIn spend sounds like. Cost per lead and click-through rate do not survive contact with a CFO who wants to know what the money returned. A dollar figure does.

Connected TV: LinkedIn's bet on the living room, US and Canada only for now

LinkedIn launched Connected TV Ads in 2024 through a programmatic partnership with The Trade Desk, letting advertisers place video spots on streaming services, Roku, Samsung, and other connected devices among them, using LinkedIn's professional targeting data: job title, function, seniority, industry, company size.

Reach today runs over 60 million households in the US and Canada, with a reported cost per thousand impressions (CPM) range of $30 to $70 and a view completion rate of 80% to 95%. LinkedIn's own case data claims 50% to 80% incremental reach over other channels; Palo Alto Networks reported an 80% improvement in lead form completion among audiences exposed to the CTV spot, and Salesforce reported 70% incremental reach into audiences its other channels were not touching. An iSpot study cited by LinkedIn puts targeting accuracy at four times that of linear TV. LinkedIn expanded programmatic buying access through Amazon DSP in May 2026.

For a company outside North America, this is a format to track rather than book. There is no published date for expansion into the UK or the EU, and nothing in LinkedIn's public material suggests one is imminent. If your buyers are in Toronto or Austin, this is live today. If they are in Manchester or Munich, it is a line item for a future budget, not this one.

Where it fits: category launches into a new English-speaking market, account-based campaigns aimed at a defined list of enterprise buyers, and category-level awareness timed around a major industry event, run alongside a standard LinkedIn campaign rather than instead of one.

The Authority, Conversion, Acceleration framework

Splitting a LinkedIn Ads budget without a rule turns into guessing every month. Here is the allocation I use, in three layers.

Authority, 40% of budget. Build credibility for the founder or the company with the target audience. Format: Thought Leader Ads on educational and analytical posts. Metric: engagement rate, growth of the qualified audience, cost per targeted impression. Runs continuously. This is where the roughly 80% lower CPC of Thought Leader Ads does the most work, because the goal is reach, not an immediate conversion.

Conversion, 35% of budget. Turn attention into qualified leads. Format: Lead Gen Forms paired with a genuinely useful asset, a guide, a benchmark, a flash audit. Metric: cost per lead, form completion rate, qualified lead volume. Runs in 6-to-8-week waves aligned to your sales calendar. The 13% median conversion rate is what justifies putting the largest conversion-focused share of the budget here.

Acceleration, 25% of budget. Retarget and nurture people who already engaged with the first two layers, to shorten the path to a meeting. Format: Sponsored Content and Message Ads aimed at engaged audiences from the Authority and Conversion layers. Metric: cost per qualified opportunity, lead-to-meeting time, ROAS measured through the Revenue Attribution Report. Triggers once the Authority layer has built a meaningful engaged audience, typically after 4 to 6 weeks.

Layer Share Primary format Key metric
Authority 40% Thought Leader Ads Cost per qualified impression
Conversion 35% Lead Gen Forms Cost per qualified lead
Acceleration 25% Retargeting, Message Ads ROAS via Revenue Attribution Report

A workable starting budget runs $2,000 to $3,000 a month; below that, the account rarely gathers enough data to optimize. Accounts that report the strongest results run $5,000 to $15,000 a month, built up gradually over three to six months rather than launched at full size on day one.

LinkedIn vs Google Search vs Meta: where each dollar belongs

None of this makes Google or Meta wrong for B2B. Each plays a distinct role in the journey, and the data above explains why.

Google Search still captures a prospect who already typed a specific query: "accounts payable software for manufacturing," "cybersecurity consulting SMB." Its 67% ROAS is respectable on its own; it is the year-over-year decline, from 78%, combined with rising non-branded CPC, that should worry anyone budgeting on last year's numbers.

Meta delivers the lowest CPMs of the three and fits broad-awareness campaigns, but its ROAS climb from 29% to 51% still trails LinkedIn by 70 points, because interest-based targeting is a weaker proxy for a buying committee than a declared job title.

A workable split for a B2B budget of $5,000 or more:

Channel Recommended share Role in the journey
LinkedIn Ads 45% to 55% Targeting, authority, conversion
Google Search 25% to 35% Capturing existing intent
Meta Ads 10% to 15% Broad awareness, retargeting
Other (CTV, podcast ads) 5% to 10% Testing

Below $5,000 a month, splitting the budget three ways usually dilutes each channel below the volume needed to learn anything. Putting the full amount on LinkedIn alone is often the higher-return call at that budget size.

Five mistakes that erase the ROAS advantage

A positive category average does not guarantee a positive result for your account. Five recurring errors explain most of the gap between the two.

Targeting too wide. "Marketing directors, all industries, nationwide" spreads a budget across an audience too varied to convert well. Segments of 20,000 to 80,000 people, built from job function plus industry plus company size together, perform better than any single filter alone.

Judging results after two weeks. A campaign evaluated after 14 days is being judged against a 272-day journey. The Revenue Attribution Report is built to read 90-to-180-day windows, not sprints.

Running ads with no organic activity behind them. Thought Leader Ads amplify existing posts. Without a founder or expert publishing two to three times a week, there is nothing worth boosting, and the format's entire cost advantage disappears with it.

Skipping the CRM connection. Without it, you are measuring clicks and leads, not revenue, and every argument for next quarter's budget rests on a metric a CFO does not use to make decisions.

Treating the qualifying question in a Lead Gen Form as optional. Skip it, and the 25% lower cost per lead the format buys comes loaded with names that were never going to buy.

What I don't know

Dreamdata's ROAS figure runs through a data-driven attribution model that is proprietary to Dreamdata; I have not seen an independent audit of that model, and I am citing the number as the industry's best available public benchmark, not as ground truth for every account.

I do not know why ZenABM and Impactable land on different Thought Leader Ads CPCs. Different samples, different account mixes, and possibly different periods explain some of the gap, but I have not found a study that reconciles the two, so I have presented both rather than picking the flattering one.

The Connected TV case studies from Palo Alto Networks and Salesforce are vendor-published, chosen by LinkedIn to illustrate its own product. I have no comparable data on accounts where CTV underperformed, because LinkedIn has not published any, and I would assume some exist.

I do not know when, or whether, Connected TV Ads reach the UK or the EU. Nothing in LinkedIn's public communication sets a date.

What to do Monday morning

None of this requires the largest budget in the category, but it does require sequencing.

Connect the CRM before the first campaign launches, not after the first report disappoints. The 72-hour setup and the three-to-four-month wait for a meaningful read both start on day one, whether you connect early or late.

Publish before you promote. Two to three posts a week from a real person, carrying a specific number, a named client situation, or a dated case, is the raw material every dollar of Thought Leader Ads spend depends on. Ad spend without that behind it buys reach for nothing worth reading.

Size the test to the journey, not to the quarter. A campaign judged at day 14 against a channel that returns most of its revenue between day 200 and day 280 will always look like a failure, right up until it doesn't.

Split the budget across the three layers above before the first dollar goes out, and hold each layer to its own metric instead of judging the whole account on cost per click.

FAQ

What is a good ROAS for LinkedIn Ads in B2B?

Dreamdata's 2026 benchmark puts the industry average at 121% for 2025, meaning $1.21 back for every dollar spent, against 67% for Google Search and 51% for Meta. Top-quartile LinkedIn advertisers reach 279%. Treat 121% as the number to beat, not the number to expect on day one.

How much does a LinkedIn lead cost through Lead Gen Forms?

Meet-Lea's 2026 pricing guide puts Lead Gen Form cost per lead at $75 to $150, against $100 to $200 or more through an external landing page, roughly a 25% reduction. Cost shifts by offer type: gated content runs cheapest around $45, "contact sales" runs highest around $150.

Are Thought Leader Ads worth it for a small company?

Yes, on the cost side specifically. ZenABM's 2026 data puts median Thought Leader Ads CPC at $2.29 against $13.23 for standard Single Image Ads. The condition is organic content: the format sponsors an existing post from a real profile, so it only works once someone at the company is already publishing.

How is LinkedIn's Revenue Attribution Report set up?

It connects natively to Salesforce, HubSpot, or Dynamics 365 inside Business Manager, or through the Conversions API for other systems. LinkedIn states data can take up to 72 hours to appear after connection, and the account needs admin access. Given the 272-day average B2B buyer journey, a first meaningful read needs three to four months of connected data.

Are LinkedIn's Connected TV Ads available outside North America?

Not yet. Connected TV Ads currently reach over 60 million households in the US and Canada through a partnership with The Trade Desk. LinkedIn has not published a date for expansion into the UK or the EU.

How long does it take to see results from LinkedIn Ads in B2B?

Dreamdata's 2026 data puts the average B2B buyer journey at 272 days across 88 touchpoints and 10 stakeholders, up from 211 days a year earlier. Judging a campaign inside a month tests it against a fraction of the journey it needs to influence. Ninety to 180 days is the realistic window for a first reliable read.

Sources

  1. Dreamdata, "LinkedIn Ads Benchmarks Report 2026," March 2026: https://dreamdata.io/blog/announcing-linkedin-ads-benchmarks-report-2026
  2. PPC Land, Luis Rijo, "LinkedIn ads hit 121% ROAS as B2B buyer journeys stretch to 272 days," March 10, 2026: https://ppc.land/linkedin-ads-hit-121-roas-as-b2b-buyer-journeys-stretch-to-272-days/
  3. ZenABM, "LinkedIn Thought Leader Ads (TLA) Benchmarks 2026," 211 companies, 161,256 ads, $5.5M spend, 29 countries: https://zenabm.com/blog/tla-benchmarks
  4. Impactable, "The Ultimate LinkedIn Thought Leadership Ads Strategy for B2B Marketers (2026)": https://impactable.com/the-ultimate-linkedin-thought-leadership-ads-strategy-for-b2b-marketers-2025/
  5. Datavinity, "LinkedIn Ads Benchmarks 2026: CTR, CPC, CPM & Conversion Rates": https://datavinity.com/en/linkedin-ads-benchmarks-2026/
  6. Meet-Lea, "LinkedIn Cost Per Lead 2026: Complete Guide," published February 25, 2026, updated May 17, 2026: https://meet-lea.com/en/blog/linkedin-cost-per-lead-complete-guide
  7. LinkedIn Marketing Solutions, "Revenue Attribution Report": https://business.linkedin.com/marketing-solutions/revenue-attribution-report
  8. LinkedIn Marketing Solutions Help, "Use your Revenue Attribution Report in Business Manager": https://www.linkedin.com/help/lms/answer/a715191
  9. LinkedIn Marketing Solutions Help, "Connect HubSpot CRM to Business Manager" and "Connect Salesforce CRM to Business Manager": https://www.linkedin.com/help/lms/answer/a7479660
  10. OptimizeLinkedInAds, "LinkedIn Connected TV (CTV) Ads: Complete 2026 Guide for B2B SaaS": https://www.optimizelinkedinads.com/blogs/linkedin-ctv-ads-guide
  11. AdExchanger, "LinkedIn's CTV Ads Are Helping B2B Advertisers Find Audiences Where They Live": https://www.adexchanger.com/marketers/linkedins-ctv-ads-are-helping-b2b-advertisers-find-audiences-where-they-live/
  12. The Trade Desk, "LinkedIn Partners With the Trade Desk for CTV Ads": https://www.thetradedesk.com/press-room/linkedin-partners-with-the-trade-desk-for-ctv-ads

All In: judge your LinkedIn Ads spend by revenue, not by clicks

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