How to Create an Acquisition Buy Box

A buy box is a filter, not a wish list. It exists to screen targets fast, not to describe your dream deal in loving detail. If everything you look at seems to fit, your buy box isn't doing its job.

The dimensions that matter

A buy box covers eight dimensions: industry and vertical fit, geography, revenue and EBITDA range, revenue model, services and delivery methodology (including technology stack), client concentration, founder transition expectations, and culture.

Geography includes time zone, since a first deal that requires managing a distant culture and time zone adds friction you don't need yet. On revenue and EBITDA, most lower-middle-market agency deals fall somewhere between $500K and $5M in EBITDA, though your own range depends on your size and funding. On revenue model, weight recurring heavily over project work.

A target doesn't need to hit every dimension. Aim for roughly 80% fit, not 100%. A buy box built to demand perfection screens out every real deal you'll ever see.

The two dimensions founders underweight

Those two are geography and culture. On geography, don't make your first deal require integrating a team across a distant time zone and an unfamiliar business culture. Save that complexity for later, once you've built pattern recognition on easier deals. On culture, remember that culture isn't the founder you're negotiating with. That person is leaving. Culture is what remains, held by the people who stay, and it's much harder to evaluate from the outside than a P&L is.

You can hold more than one buy box

Founders often assume they need a single, precise target profile. You can rank-stack several buy boxes at once. An acquihire (bringing on a talented individual and their book of business) may show up before a larger EBITDA-qualifying target does, or the reverse. Both are legitimate, and more than one active filter means you're not stuck waiting for a single narrow profile to appear.

Common mistakes

Founders write a buy box so specific it never matches anything real, then get frustrated that sourcing "isn't working." Usually the buy box is the problem, not the pipeline.

Recommended next steps

Draft your buy box across the eight dimensions above, then stress-test it against three real agencies you already know of in your space. If none of them would pass, the buy box is too tight.

Frequently Asked Questions

How specific should a buy box be?

Specific enough to screen out obviously wrong targets fast, loose enough that a genuinely good deal with one imperfect dimension still gets a look. The 80% rule is the right calibration.

Should my buy box change over time?

Yes. Your first deal's buy box, tightly sized around the 30% rule relative to your own scale, should loosen as you build track record and capital. The buy box you write for deal one shouldn't be the one you use for deal five.

What if I don't have a clear vertical focus yet?

Buy box discipline works best layered on top of your own specialization. If you haven't specialized yet, resolve that first, since it directly narrows and sharpens what you're looking for as a buyer.

Is client concentration a dealbreaker in a target's buy box fit?

Not automatically, but it's one of the criteria diligence scrutinizes hardest; however, the buy box screens it. A target with more than 30% of revenue in one client deserves extra caution even if every other dimension fits.