Door No. 3

Austin, Texas, United States

Growth marketing for mission-driven brands in healthcare and education.

Door No. 3 is a growth marketing firm that collaborates with brands aiming to make a positive impact in sectors such as healthcare, mobility, and education. By integrating strategy, creative, media, and AI, they help mission-driven brands move faster, spend smarter, and create meaningful impact. Their approach combines instinct and intelligence to help clients cut through noise and turn purpose into measurable momentum.

The agency offers a range of services including business strategy, brand development, media planning, and digital marketing. They focus on strategic positioning, brand narrative, and media activation to deliver campaigns that inspire and engage audiences. Their capabilities extend to creative concept development, digital prospecting, and media strategy, ensuring that every move builds measurable growth and lasting impact.

Door No. 3 has worked with clients like Baylor Scott & White Health and the Texas College Savings Plan, showcasing their ability to drive significant results. Their work includes increasing app downloads, enhancing brand identity, and boosting sales for various organizations. The agency is committed to using their expertise to support public-serving organizations and contribute positively to the communities they serve.

1
SERVICES

Capabilities

Services

What these services involve

Social Media Management (SMM)
Ongoing social content planning, publishing, and community management.

Agency details

Team size
11-50 people

How Door No. 3 scores 47 on Agency List

The Agency List Score rates each listing out of 100 across four equally weighted areas. It measures the strength of the agency's listing and public signals — not the quality of its work.

Presence & Maturity

22 / 25

How complete and how recently maintained this listing is.

  • Has a detailed written overview.
  • Has a tagline summarising what the agency does.
  • 6 of the core profile fields are filled in.
  • Profile details were updated recently.
  • No founding year on record.

Relevance & Capability

15 / 25

How clearly the agency's specialism and services are classified.

  • Assigned to a primary category.
  • 1 service is listed.

Credibility & Trust

10 / 25

Contactability and verification signals that show a real business.

  • Listing ownership is not yet verified.
  • A working website is on record.
  • A contact address on the agency's own domain is on record.
  • No phone number on record.
  • Location is on record.

Authority & Proof

0 / 25

Independent proof of work: reviews, published projects and awards.

  • No published reviews yet.
  • No published project work yet.
  • No awards recorded.

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About this agency on Agency List

Door No. 3 is listed on Agency List as part of our global directory of professional agencies. Profiles are compiled using a combination of agency-submitted information, publicly available data, and Agency List classification systems.

This page reflects the most current information available for Door No. 3 and may evolve as additional data is verified or updated.

Local context

Door No. 3 operates in Austin, Texas, United States serving clients locally and beyond. Agency List organizes firms by geography to help buyers understand the distribution of agencies across regions and markets.

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Data notes

Profile information is derived from agency submissions and public sources. Some attributes may be estimated and are updated over time as additional data becomes available.