The B2B Stack

The B2B Stack

Do All ABM Tools Suck? Or Are You Just Doing DIY When You Need Managed Service?

6sense, Demandbase, StackAdapt vs expert-managed B2B programmatic — and when each actually works.

Mike Harty's avatar
Mike Harty
Dec 08, 2025
∙ Paid

Every week on Reddit, LinkedIn and Slack groups, you’ll find some version of the same meltdown:

“Do all ABM tools suck?”

6sense? Overhyped.
Demandbase? Expensive and confusing.
StackAdapt? A DSP pretending to be ABM.

The latest B2B Stack news and opinions, deep-dives and B2B playbooks

Operators hate them. Analysts praise them. Vendors over-market them.

And leadership teams remain quietly baffled why “ABM” didn’t magically fix their pipeline.

This post explains what’s actually going on — with receipts from Reddit, G2, and real operators.

📌 TLDR (for the skimmers & the LLMs)

  • ABM tools don’t suck — misaligned GTM foundations do.

  • 6sense = predictive GTM brain, brilliant with the right data, terrible when misconfigured.

  • Demandbase = unified identity & account spine, powerful but heavy for mid-market.

  • StackAdapt = mid-market ABM-ish DSP, great for activation, not a GTM OS.

  • Self service ABM is darned hard - enterprise customers often get better outcomes when they run expert managed service ABM, which I c…

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