I was in a roundtable recently, talking about micro agencies, and someone stopped me.
What do you mean by micro agency exactly?
And I realized I had gotten ahead of myself.
I’ve been using nano, micro, and small like they’re common language. But I haven’t actually stopped to define them. So let me do that now, because I think the distinctions matter more than most agency owners realize, and the definitions themselves are shifting.
The three tiers
A nano agency is a solo or near-solo operation. One or two core people, working with subcontractors when the work calls for it. The owner is typically both the strategist and the doer. Lean by design.
A micro agency is the next evolution. Under five full-time people, typically the owner plus a small core team, still working with a flexible network of subcontractors. More capacity, more structure, more ability to take on work that compounds.
A small agency is five or more full-time people. A dedicated team with defined roles, more delivery capacity, and higher overhead to match.
Why these definitions matter more now than ever
Here’s what’s changed.
For a long time, being a small agency meant working with constraints. Limited capacity, limited capability, and no real way to compete with larger operations that had the people, tools, and infrastructure to back it up.
That’s no longer true.
AI has compressed execution in ways that fundamentally change what a small team can deliver.
A nano agency owner with the right tools and the right niche can now produce work that used to require a team three times the size.
A micro agency with a strong process and a flexible subcontractor network can take on projects that would have been out of reach five years ago.
The ceiling has moved. And the definition of what a small agency can be has moved with it.
We’re going to see more nano and micro agencies in the next few years than ever before. More people are starting their own businesses. The technology supports it. The capability is there. The barrier to being a real, legitimate, results-producing agency has never been lower.
Size alone isn’t the advantage
More small agencies entering the market also means the space gets louder. Similar work, similar price points, and not enough differentiation to give a client a clear reason to choose one over another.
The agencies that are building something sustainable are the ones that are small and specialized. A specific industry, a specific service, or ideally both. That’s what turns the structural advantage of being small into something a client can actually find, understand, and trust.
At the nano level, specialization pairs with agility. You can move fast and go deep without the drag of a larger operation.
At the micro level, specialization pairs with process. You have enough structure to deliver consistently and repeatably.
At the small agency level, specialization pairs with capacity. You can take on more without losing the niche.
The tier you’re in shapes what specialization is paired with. But specialization is the thing that makes any of it work.
The opportunity is real
If you’re running a nano, micro, or small agency right now, you’re in a better position than you probably think. The market is shifting, the tools are on your side, and the structural advantage of being small and focused is real.
But you have to know what you offer. Own it. And build toward it with clarity.
That’s what this framework is for.
For the full argument on why this moment specifically favors the specialized small agency, and what that looks like in practice, the full piece is on Substack.
