Private company
Door Number 3
Logo: dn3austin.com3
Independent brand development and integrated advertising agency
Door Number 3 is an independent brand development and integrated advertising agency located in Austin, Texas, United States. The agency is known for creating and integrating marketing that helps challenger brands topple their giants. The agency was founded in 1994 by M.P. Mueller.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
- Industryadvertising1
- HeadquartersAustin1
- Websitewww.dn3austin.com
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Door Number 3 is an independent brand development and integrated advertising agency located in Austin, Texas, United States. The agency is known for creating and integrating marketing that helps challenger brands topple their giants.2
Timeline
- 1994Founded Founded1
Funding
Where the company's money came from, by calendar year: private offerings filed with the SEC, federal grants, loans, contracts and other assistance from USAspending.gov, and PPP loans from the SBA. Each bar links to the records below.
- PPP loans $162.8K
Figures by year
| Year | PPP loans | Total |
|---|---|---|
| 2020 | $162.8K | $162.8K |
PPP loans
Paycheck Protection Program loans of $150,000 and up, approved April 2020 to July 2021, from the SBA4. Matched to this company by name and state.
- Apr 14, 2020$162.8K PPP loan (first draw) from Truist Bank4To DOOR NUMBER 3 INC., Austin TX; $164.5K forgiven May 13, 2021
Links
- Websitewww.dn3austin.com1
- WikipediaDoor Number 3
- WikidataQ5297195
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataDoor Number 3 on Wikidata
- 2WikipediaDoor Number 3 on Wikipedia
- 3Company websiteDoor Number 3 logo
- 4