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The voice charter

Tone is a promise about conduct. One page, signed by the leadership, gates all content.

As it is usually taught: define your brand voice. Pick three adjectives, maybe "professional, friendly, innovative", and put them in a style guide.

What it really asks of you is a question of authority, not style. Tone is a promise about how the company will behave: how it will answer a complaint, how it will speak when a delivery is late, what it will claim and what it will refuse to claim. Only the people who control that behaviour can make that promise. That is why the voice charter is signed by the leadership, not written by the marketing department.

One page, three responsibilities

A voice charter is one page. It says how the company speaks: the tone, the languages, what may be claimed, what may never be claimed, and who decides in a case of doubt. Around that page, three responsibilities split cleanly:

  • Define. The leadership decides the voice and signs the page. This cannot be delegated, because the voice is a promise about conduct.
  • Prepare. Drafts, translations, layouts. This can be delegated: to staff, to the platform, to an AI. Preparation never changes what may be claimed.
  • Hold consistent. Terminology stays fixed across every page and every language. This is mechanical work, and the platform carries it: a term decided once is locked in every translation.

The charter travels across languages, the register does not

A company does not sound the same in Swedish, German and Chinese, and it should not try. Directness that reads as honesty in one language reads as rudeness in another. The charter therefore carries one line per language: how direct, how formal, how warm the company is in that language. A native reader of each language owns that line. Their job is not proofreading. Their job is calibration: does this sound like us, said properly here?

The charter is a gate, not a decoration

Once signed, the charter gates content. A text that violates it does not go out, whoever wrote it, however good it sounds. This is the same shape as a quality policy: decided once at the top, applied to every case, revised deliberately and rarely.

This week

Draft the page. Tone in one sentence. Languages you publish in. Five things you claim, from your claim inventory. Three things you never claim. Then the leader reads it, changes it until it is true, and signs it. Start from the voice charter template: it carries every section with a prompt to answer.