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Door Number 3

Austin growth marketing agency combining brand messaging, creative and paid media for purpose-driven organisations

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About Door Number 3

Door Number 3, which trades as Door No. 3, is a marketing agency in Austin, Texas. It brings strategy, messaging, creative work and media buying under one team, aiming to replace the mix of separate agencies many organisations use. Its focus is on organisations with a public purpose.

What Door Number 3 offers

  • Brand strategy and positioning — helping a company define a distinct challenger position that its staff can rally behind.
  • Messaging — clarifying a brand's story using the StoryBrand framework so customers see how it helps them.
  • Creative campaigns — developing the central idea and the voice and tone behind a campaign.
  • Paid media — planning and buying media to reach the right audiences through relevant channels.
  • Customer retention — campaigns that turn first-time buyers into repeat customers.
  • AI — AI is listed among its certified capabilities alongside strategy and media.

Who it works with

The agency serves organisations in healthcare, government, education, transportation and consumer goods. Past clients quoted on its site include Accruent, Cirrus Logic and Mighty Swell.

Key facts

  • Based in: Austin, Texas, USA
  • Experience: 30 years of marketing work
  • Certification: StoryBrand certified for messaging
  • Other: Runs a podcast for brands looking to grow

Profile written by TrustList from the business's own published information, Sep 2026.

Categories & features

What the business tells TrustList

Founded
1996 (30 years) evidence sent

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