Mid-market ABM applies account-based methods to companies below enterprise scale, typically 200 to 2,000 employees, where deal sizes justify targeting but not a dedicated ABM team or enterprise tooling. Account lists are larger, personalisation is lighter, and the economics only work when campaign production is cheap.
It depends on one number: whether average contract value times win rate exceeds the cost of running a targeted campaign against that account. At enterprise the answer is obviously yes. In mid-market it is genuinely marginal, which is why production cost decides it.
Buying committees are smaller and faster, so the campaign has less time to work and fewer people to reach. Lists run to hundreds rather than tens, which pushes most activity into ABM Lite and programmatic tiers rather than strategic.
Buying enterprise tooling for a mid-market motion. A platform priced at six figures against a $30,000 average deal needs an implausible number of wins to pay back, and the implementation time alone can exceed the sales cycle you are trying to influence.