★ HOME OF THE CURIOUS  ·  BY INTRODUCTION ONLY  ·  EST. MMI  ·  AMSTERDAM / LONDON  ·  ★ HOME OF THE CURIOUS  ·  BY INTRODUCTION ONLY  ·  EST. MMI  ·  AMSTERDAM / LONDON  ·  ★ HOME OF THE CURIOUS  ·  BY INTRODUCTION ONLY  ·  EST. MMI  ·  AMSTERDAM / LONDON  · 
§ Signal — 2026 One partner. Nine rooms a year. Est. 2001, Amsterdam

Home of
the Curious.

Coustic B Original is a quiet practice for founders, boards and the occasional minister. We don't pitch. We don't publish. We sit in the hard meeting and, once a quarter, we write a letter about it.

"The room wasn't waiting for an answer. It was waiting to be described."
§ Positioning · 3–6 weeks

The one sentence you stop apologising for.

Not a tagline — the line underneath the tagline. The one your board, your buyer, and your mother each repeat back to you, correctly, without looking.

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§ Story · 4–8 weeks

The narrative the deck was trying to be.

Before the copy, before the campaign, before the keynote — the shape of the thing being said. We hand you the skeleton; better writers than us put skin on it.

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§ Rooms · Ongoing retainer

We sit in the hard meeting.

Board off-sites. The investor call that matters. The conversation with the co-founder that's been postponed twice. We come, we stay quiet, and then occasionally we don't.

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Most advice arrives slightly too loud. We try to arrive at the right volume, and on a Tuesday.
— Jan Jacobs, Field Notes N°9
Selected rooms, 2001 — 2026 A family office rethinks legacy Re-naming a 40-year-old European lab A founder decides whether to sell, and doesn't The word a museum had been avoiding for twelve years A cardiology network, one story, three countries The sentence that replaced a 94-slide strategy doc