Insights

Strategic Partnerships DOOR3 has recently expanded partnerships with AWS, Google Cloud, and Microsoft Azure, signaling a strong vendor-agnostic cloud capabilities that can be leveraged to upsell cloud-native, AI-driven, and data modernization engagements for clients seeking multi-cloud strategies.

Awarded UX Authority Recognition in UX design, usability testing, and Angular development positions DOOR3 as a trusted partner for customer-facing digital transformation, enabling targeted cross-sell of UX research, design sprints, and front-end modernization services to mid-market and enterprise clients.

AI and Data Focus Emphasizing AI-driven and data-powered software suggests opportunities to pursue projects around data modernization, analytics platforms, and intelligent automation, particularly for organizations aiming to modernize legacy systems with scalable AI-enabled architectures.

Proven Delivery DOOR3’s differentiator of de-risking complex projects and delivering on time and on budget is a compelling value proposition for clients with high implementation risk, enabling expansion into larger, multi-project programs and long-term managed services.

Mid-market Growth With 51-200 employees and revenue in the 10–25M range, DOOR3 sits well for expansion into mid-market accounts seeking modernization and cloud-enabled software, offering a path to scale through repeatable offerings and case-led upsell in similar industries.

DOOR3 Tech Stack

DOOR3 uses 8 technology products and services including Fathom, Avalonia, DevExpress, and more. Explore DOOR3's tech stack below.

  • Fathom
    Analytics
  • Avalonia
    Application Development & Management
  • DevExpress
    Frameworks And Libraries
  • RxJS
    Javascript Frameworks
  • YUI
    Javascript Libraries
  • Payfort
    Payment Processing
  • Unbxd
    Personalization
  • C#
    Programming Languages

Media & News

DOOR3's Email Address Formats

DOOR3 uses at least 1 format(s):
DOOR3 Email FormatsExamplePercentage
First.Last@door3.comJohn.Doe@door3.com
88%
Last@door3.comDoe@door3.com
6%
First@door3.comJohn@door3.com
4%
FLast@door3.comJDoe@door3.com
2%

Frequently Asked Questions

What is DOOR3's phone number?

Minus sign iconPlus sign icon
You can contact DOOR3's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is DOOR3's official website and social media links?

Minus sign iconPlus sign icon
DOOR3's official website is door3.com and has social profiles on LinkedIn.

What is DOOR3's SIC code NAICS code?

Minus sign iconPlus sign icon
DOOR3's SIC code is 7372 - Prepackaged Software NAICS code is 5112 - Software Publishers.

How many employees does DOOR3 have currently?

Minus sign iconPlus sign icon
As of July 2026, DOOR3 has approximately 60 employees across 4 continents, including North AmericaEuropeAsia. Key team members include Head Of Project Management Office: V. K.Head Of People Operations: M. D.Vice President, Managing Director Of Delivery: A. W.. Explore DOOR3's employee directory with LeadIQ.

What industry does DOOR3 belong to?

Minus sign iconPlus sign icon
DOOR3 operates in the Software Development industry.

What technology does DOOR3 use?

Minus sign iconPlus sign icon
DOOR3's tech stack includes FathomAvaloniaDevExpressRxJSYUIPayfortUnbxdC#.

What is DOOR3's email format?

Minus sign iconPlus sign icon
DOOR3's email format typically follows the pattern of First.Last@door3.com. Find more DOOR3 email formats with LeadIQ.

When was DOOR3 founded?

Minus sign iconPlus sign icon
DOOR3 was founded in 2002.
DOOR3 logo

DOOR3

Software DevelopmentNew York, United States51-200 Employees

DOOR3 is an independent technology consultancy that combines advisory guidance with software development. It builds AI-driven and data-powered software tailored to client needs and focuses on modernization across single applications or entire organizations. The firm emphasizes de-risking complex projects and delivering solutions on time and within budget, underpinned by a collaborative, empathetic client relationship.

Based in New York City and founded in 2002, DOOR3 operates with a global team to support client work. In 2025, it announced expanded partnerships with major cloud providers, signaling an emphasis on cloud-enabled modernization.

Section iconCompany Overview

Phone number
Website
door3.com
SIC Code
7372 - Prepackaged Software
NAICS Code
5112 - Software Publishers
Founded
2002
Employees
51-200

Section iconFunding & Financials

  • $10M$25M

    DOOR3's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    DOOR3's revenue is estimated to be in the range of $10M$25M

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.