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DOOR3 – Award-winning Technology Consultancy & Software Development Firm | New York City

Business transformation through AI automation, data, and applications.

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-20T18:11:38.987Z. Cached copy · Source on door3.com

# DOOR3 – Award-winning Technology Consultancy & Software Development Firm | New York City


> Business transformation through AI automation, data, and applications.  
> For over two decades, our team has helped enterprises modernize, integrate, and scale — combining design, engineering, and AI to deliver measurable business outcomes.  
> At DOOR3 Labs, we turn innovation into impact — faster, smarter, together.


Last updated: 2026-02-05


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## About


DOOR3 is an independent, vendor-agnostic technology consultancy and custom software development firm headquartered in New York City. Founded in 2002 — developing since the dial-up era — we build software of lasting value with a global team of talented professionals. We elevate clients through teamwork, transparency, and empathy, pursuing excellence, integrity, and client success.


We’ve helped hundreds of clients across industries drive revenue, profitability, and client satisfaction with practical, high-ROI software, data, and AI solutions. On-time and on-budget delivery is our standard — large enterprises and small non-profits alike choose DOOR3 for reliable value and collaborative journeys.


We are more than a software consultancy. We are a team of experts whose purpose is to elevate our clients through teamwork, transparency, and empathy. We bring empathy and a willingness to do what it takes, with an emphasis on creating lasting solutions. We keep the bar high, for individuals and for teams. We act like dedicated owners.


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## Important Notes


- Founded in 2002, bringing over 20 years of enterprise software experience (developing since dial-up, before smartphones existed).
- Headquarters in New York City (Midtown Manhattan flagship) with global delivery capability: powerhouse engineering center in Kyiv, Ukraine; creative hub in Barcelona, Spain.
- Fully independent and vendor-agnostic — no platform lock-in; always recommend the best-fit solution for the client.
- Specializes in complex enterprise applications, legacy modernization, high-performance transactional systems, and practical AI implementations that deliver revenue and efficiency gains — not basic marketing sites or generic web development.


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## Quick Facts


- **Founded**: 2002
- **Headquarters**: New York, NY (370 Lexington Ave. Suite 1806, Midtown Manhattan)
- **Additional Offices**: Kyiv (delivery center), Barcelona (creative hub)
- **Team Size**: 50–249 employees
- **Typical Project Size**: $25,000+ minimum; most common $50,000–$199,999
- **Hourly Rate**: $100–$149
- **Clutch Rating**: 4.9/5 (45+ reviews) — strengths include timely delivery, strong communication, high-quality work, collaborative approach
- **Key Technologies**: .NET, React, Angular, Azure, AWS, Python (AI/ML), modern AI frameworks
- **Core Industries**: Insurance, Financial Services, Legal, Construction, FinTech/Startups, Non-Profit & Education, Consumer & Retail, Healthcare


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## What We Do
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