Most agencies can tell you what they do. Far fewer can tell you where they're known.

That's the distinction that matters. An ecosystem isn't your positioning statement. It's not your service offering. It's the specific networks, communities, and conversations where your agency's name actually comes up when buyers are looking for someone like you: the intersection of who your ICP is, where they gather, and who influences their decisions.

Get it right, and you build something that compounds: lower acquisition costs, shorter sales cycles, stronger pricing power, referrals that arrive without chasing. Get it wrong, and you can have the sharpest positioning in the room and still lose to someone less polished who just happens to be better embedded in the right circles.

Based on patterns from over 150 agency submissions to the Agency Habits Foundation app, there are three distinct ecosystem archetypes, and the strongest plays tend to overlap two of them.

1. The Infrastructure Ecosystem

This is where you go deep on the specific technology layer that underpins your target market. Not "we work with manufacturers," but "we work with manufacturers, and we've built integrations with the three ERP systems that dominate the space."

One agency that submitted to our Foundation app does exactly this. They operate in industrial distribution and manufacturing and have mapped the entire infrastructure stack: the dominant ERP platforms, how they interact with each other, what a well-integrated implementation actually looks like in practice. Their marketing references those platforms by name. Their tools come pre-configured. When a buyer in their space finds them, the reaction isn't "let's get a proposal." It's "these people already know what we're dealing with."

The referral network that follows is layered. ERP consultants refer them in for integration work. Systems integrators see them as a natural partner. The buyer's team trusts faster because they're not explaining basics.

The compounding effect is real: delivery gets more efficient with every project in the same stack, CAC drops because referrers pre-qualify the work, and you develop a moat that's genuinely hard to fake. You've literally built the integrations.

If you're pursuing an infrastructure ecosystem, the move is to identify your industry, then go one or two layers deeper. What software does every qualified buyer in that space actually run?

2. The Vertical Ecosystem (and Why Regulated Industries Hit Differently)

Most agencies understand verticals intuitively. There's a conference, a community, clients who all know each other. The question is whether that vertical gives you real defensibility, or whether it's just a label.

The verticals with the most durable moats are the regulated ones: healthcare, financial services, cannabis, legal. The reason is straightforward. When there's a genuine cost to getting things wrong (regulatory fines, legal liability, privacy violations), buyers stop treating your expertise as a nice-to-have and start treating it as a requirement. A generalist agency isn't just less experienced anymore; they're a risk.

That changes your position entirely. You can speak at industry trade conferences as an expert, not just an attendee. You build relationships with compliance vendors and third-party specialists who refer you in precisely because they don't want their clients exposed to implementation risk. Qualified buyers come to you pre-sold on the value of a specialist, which means shorter sales cycles and stronger pricing power.

The move here isn't just to pick a vertical and call it strategy. It's to ask: is there enough complexity and enough risk in this space that buyers would pay a premium for someone who genuinely knows it? If yes, what are all the nodes in that ecosystem? The trade groups, the compliance vendors, the industry media. How deeply are you embedded in each?

3. The Institutional Referral Ecosystem

This one trips people up because it requires a shift in how you think about who your client actually is.

In some agencies' worlds, the buyers you ultimately serve don't find you directly. They find you through other professionals (architects, consultants, marketing agencies, systems integrators) who have the trust and ear of the end client. Your job is to be the agency those gatekeepers recommend.

A concrete example: an agency doing wayfinding design for higher education isn't being hired by the university. They're being recommended by the architecture firm running the campus project. The architects are the gatekeepers. The real relationship-building work isn't with university procurement. It's with the architects.

We had a stretch at Barrel doing websites for cultural arts institutions, and looking back, the reason we won that work had little to do with our positioning. A marketing agency that worked exclusively with arts organizations vouched for us, included us in RFPs, and loaned us their credibility. We executed well, and the referrals compounded from there. But the actual unlock was understanding that in that ecosystem, the trust network ran through that agency, not through the institutions themselves.

If this sounds like your situation, the diagnostic question is simple: who actually decides which vendors get into the room? Map that. Build those relationships first.

The Multiplier: When Two Ecosystems Overlap

The strongest agency positioning we see consistently involves the intersection of two archetypes, usually a platform or infrastructure ecosystem combined with a vertical. It creates two distinct referral loops that reinforce each other.

The example we know best: a Shopify agency that chose to go deep on CPG, specifically food and beverage. On one side, Shopify's partner ecosystem: you can be specific with their sales team about exactly the clients you want. On the other, a tight community of founders and ecom directors who all know each other and talk. When both sides are talking about you simultaneously, the momentum shifts. It's no longer linear; it compounds.

You get other founders in the space saying good things. You get the platform saying good things. Lead volume grows from two directions at once, and each new client deepens the proof on both sides. That's what a well-constructed intersection looks like.

Diagnosing Your Own Ecosystem

The fastest way to figure out where you actually sit: look at your last ten clients. Not where you hoped to find them, but where they actually came from. What community were they part of? What network connected you? Was there a platform, a gatekeeper, a referrer with credibility in a specific space?

Then ask whether that matches your stated ICP. Often it doesn't, and that gap is the real strategic problem. You can't solve an ecosystem mismatch with better messaging. If you're saying one thing about who you serve but winning clients from a completely different world, no amount of copywriting will close that gap.

The final test: if someone in your ICP asked their peers for an agency recommendation today, in what community would that conversation happen? Would your name come up?

If you're not sure, that's your answer.

P.S. Want to learn more about ecosystems in a video or audio format? Check out our YouTube channel or "Mapping and Leveraging Your Agency Ecosystem" podcast episode.