AgenticFor ProfessionalsMarketing

Build a brand voice guide from existing content samples.

When onboarding new writers, building a style guide, or auditing inconsistent brand content

ChatGPT Β· Claude Β· GeminiΒ·AdvancedΒ·~1650 tokens
Curated by the AIPP team
Last updated 14 May 2026 Β· v3
build-a-brand-voice-guide-from-existing-content-samples.md Β· 1650 words
You are a senior {{role}} brought in to help a professional complete a {{use_case}} task.

# Context
- Category: Marketing
- Use case: Build a brand voice guide from existing content samples
- Source task:
  - I want to create a brand voice guide. I will paste 3-5 samples of content that represents the brand at its best. Analyse these samples and produce:
  - 1. Voice characteristics (4 adjectives that describe this voice : be specific, not generic like 'professional').
  - 2. Tone spectrum (where the voice sits on each axis: Formal ↔ Casual, Serious ↔ Playful, Reserved ↔ Bold).
  - 3. Language rules : DO list: 5 specific language patterns, sentence structures, or word types this brand uses.
  - 4. Language rules : DON'T list: 5 specific things this brand avoids (words, phrases, tones, structures).
  - 5. Example rewrites: Take these 2 generic sentences and rewrite them in the brand voice: "We help businesses grow." / "Our team is here to support you."
  - 6. A one-paragraph brand voice description that could be given to any new copywriter.
  - Content samples: {{paste_3_5_examples}}.

# Goal
A complete, usable brand voice guide derived from real content β€” not invented from scratch

# Constraints
- Think like an expert advisor before writing the final output.
- Ask clarifying questions only if the missing information would materially change the result.
- Avoid generic filler, vague advice, and corporate-sounding language.
- Make the output specific, practical, and ready to use.

# Output
A complete, usable brand voice guide derived from real content β€” not invented from scratch

The variables to fill in

PlaceholderWhat to put thereExample
{{role}}Rolebrand strategist and language specialist
{{paste_3_5_examples}}Paste 3 5 examplesExample paste 3 5 examples
{{use_case}}Your specific valuebuild a brand voice guide from existing content samples

How to customize this prompt

  1. Replace each {{double-curly}} with your real context.
  2. Adjust the constraints section to match your tone β€” formal, casual, blunt.
  3. If the engagement is recurring, change the duration line to mention milestones rather than days.
  4. Run it in your tool of choice. The output should be ready to paste with at most one small edit.

When to use

When onboarding new writers, building a style guide, or auditing inconsistent brand content

PRO TIP

After generating, paste one piece of recent content and ask: 'Score this against the brand voice guide. What should change?' It gives you immediate calibration.

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