The B2B Stack

The B2B Stack

The Buying Committee Doesn't Live On LinkedIn

High-attention channels, multi-stakeholder reach, and why the account graph, NOT the inventory, is the thing that actually matters

Mike Harty's avatar
Mike Harty
Apr 16, 2026
∙ Paid

In this deep dive

  • Why LinkedIn structurally can’t reach half your buying committee

  • The attention data on CTV and audio and why it shifts the maths - these really are no-brainer B2B channels when you see the data below

  • An honest persona map: where LinkedIn is strong and where it leaks

  • The account graph: without it, CTV is just expensive reach

  • Six reasons B2B CTV breaks self-serve execution models + how to over-come them

  • How to run a credible test without setting £50k on fire

  • Why the share-of-voice window closes sooner than you think

Here’s a sentence you don’t hear enough at B2B marketing conferences: LinkedIn is structurally incapable of reaching large parts of your buying committee.

The B2B Stack covers modern B2B advertising, ABM, and leveraging data driven channels to drive B2B outcomes

That’s not a swipe at LinkedIn. I engage regularly on it every week, and for certain personas, most notably CMOs, VPs of Sales, Product leaders in tech, anyone whose career depends on being professionally …

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