DOOR3
Advisory, agentic AI and custom software for enterprise technology teams
- HQ
- New York, United States
- Founded
- 2002
- Team
- 51-200
- Regions
- North America, Europe
- Pricing
- From $25k $25,000+ minimum; $100-$149/hr (Clutch-displayed)
- Stack
-
- ARIA (proprietary autonomous agents for law firm workflows)
- AI Pathfinder (proprietary AI adoption assessment and roadmap)
- Industries
-
- Financial Services
- Law Firms
- Healthcare
- SaaS
About DOOR3
DOOR3 has been building software in New York since 2002 and structures engagements explicitly as Advisory, Buildout and Project Rescue. AI Pathfinder, its AI adoption assessment and roadmap, is packaged as a standalone product rather than a discovery phase inside a build, which is rare in this category. ARIA, its second named product, is a set of autonomous agents for law firm workflows.
The record behind it is the deepest of any boutique here: 4.9 from 48 Clutch reviews, with AIG, PepsiCo, Johnson & Johnson, Munich Re and Elsevier named among clients, a $25,000 minimum and $100 to $149 per hour. Clutch records AI consulting at 34% of the service mix, which means the remaining two thirds is still custom development and design, and the firm names no AI model vendor, cloud provider or platform partnership anywhere on its site.
Ratings elsewhere
Our verdict
DOOR3 is the most complete boutique purchase in this category for a buyer who wants advice before a build and wants to see who else has bought it.
The review base is the second largest here, the client names are checkable enterprise brands, and AI Pathfinder can be bought as an assessment on its own. Two gaps deserve questions.
It is a 2002 software consultancy that added AI to an existing practice, with two thirds of its recorded work still development and design, and it names no model vendor, cloud provider or platform partnership anywhere, which is unusual for a firm that leads with agentic AI. No client outcome metrics are published either.
Pros
- 4.9 from 48 Clutch reviews, the second largest independent review base in this category
- Packages its AI adoption assessment as a standalone product rather than a discovery phase inside a build
- Named enterprise clients including AIG, PepsiCo, Johnson & Johnson, Munich Re and Elsevier, at a $25,000 minimum
Cons
- Names no AI model vendor, cloud provider or platform partnership anywhere, which is unusual for a firm that leads with agentic AI
- Clutch records AI consulting at 34% of the mix, so two thirds of the work is still custom development and design
- Publishes no client outcome metrics, so results have to be established on reference calls rather than read from numbers
Where DOOR3 ranks
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Ranked #4 in AI Consulting Firms Down 2 places since 21 October 2026
Top three by industry
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