Three years ago, the question I got most often on a sales call was: “Can you send some case studies?” This year I can count on one hand how many times that came up. The question has been replaced. The replacement is more telling than the original.

Now founders ask me three things: who's in our circle, what we'd write if we were briefed today, and what other people in the industry think of our work. These are not credentials in the old sense. They are something better. They are rooms.

The case-study problem.

The case study evolved as a sales tool when buyers had no other way to verify a vendor. You wrote up a past project, the client approved it, you sent it as a PDF, the prospect read it, and a decision got made. The case study assumed information asymmetry. You knew what worked. The buyer didn't. The PDF closed the gap.

Two things broke that. The first is that case studies became productized at scale, with templates and frameworks that made every agency's Greatest Hits look identical to every other agency's. The second is that the buyers got better at noticing the gap between the case study and the actual capability behind it. Anyone can write up a campaign that worked. Far fewer can explain why it worked, what they would do differently, and what they would refuse to do at all.

What replaced it.

The replacement is the room. Three rooms, specifically:

The room you're already in. Premium clients vet you by who else is on your client list, who you've worked with, who you'd reach for an introduction. This isn't name-dropping. It's a signal that you've done work at the level they're trying to operate at. The signal is harder to fake than a case study, because you can't manufacture six-year client relationships.

The room your writing is in. Whose Slack channels does your work get forwarded to? Whose newsletter mentions you? Which industry insiders quote your phrases? This is the “respect” layer of credibility, and it's built slowly, not bought. It's also why writing publicly — this journal, for example — has become a higher-leverage activity than “content marketing” ever was.

The room you would build for them. The most common new test in a sales process is something like: “Send us a one-page brief on what you'd do if we hired you tomorrow.” The brief is a credential. It's also a free pitch. Most agencies decline this request as a matter of policy. The agencies winning premium retainers right now lean into it. The brief becomes the portfolio.

The agencies winning premium retainers right now lean into the one-page brief request. The brief becomes the portfolio.

Why this favors small operators.

The good news, if you run a small operation: rooms favor focus. A boutique agency that has built deep credibility in one room — luxury hospitality, real estate developments, founder brands — competes well against a much larger firm whose case studies span every category. Range looked impressive in the case-study era. Range now looks like dilution.

The implication for how you build a service business: stop collecting client logos for the website. Start picking the room and going deep. The first three clients in a room set the tone for the next thirty. The first thirty set the tone for everything after that.

What this means for the next five years.

I think we're heading into a period where the agencies that win will look more like editorial publications than marketing firms. They'll write more, ship case studies less, name their work with more specificity, and spend more time being read by people who can hire them. The portfolio is dead. The brief is the portfolio. The room is the credential.

The implication for founders — the people sitting on the other side of the table when an agency presents its credentials — is that you should stop asking for case studies. You'll get a nicely designed PDF and a 30-minute slot on someone's content team's calendar. Ask instead for the brief. The brief tells you whether they understood the assignment. The room tells you whether they belong on it.


— D.C.

The Brief is a free Sunday letter on building luxury brands from the operator's desk. Subscribe here →