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DOOR3's Overview

Total employees63
HeadquartersNew York
Founded2002

DOOR3 is an independent technology consultancy and custom software development firm founded in 2002. Headquartered in New York City with offices in London and Kyiv, they partner with organizations ranging from startups to Fortune 500 companies to design and build technology that drives business growth, enhances user experiences, and solves complex challenges. Their core services include digital strategy, UX/UI design, custom web and mobile application development, data analytics, AI solutions, and technology consulting. DOOR3 emphasizes a collaborative approach, working closely with clients to understand their unique needs and deliver tailored, future-proof technology solutions with a focus on tangible business value and exceptional craftsmanship.

Where is DOOR3's Headquarters?

HQ Function

The New York headquarters serves as the nerve center for door3's global operations, housing key leadership, strategy, design, project management, and core engineering teams. It's the primary hub for client engagement and innovation initiatives in North America.

Notable Features:

Situated in a classic Tribeca loft-style building, the office likely features an open, collaborative workspace designed to foster creativity and teamwork. The neighborhood is known for its historic architecture, cobblestone streets, and artistic ambiance.

Work Culture:

door3 cultivates a work culture centered on collaboration, continuous learning, problem-solving, and innovation. Employees often highlight the supportive team environment, opportunities to work on diverse and impactful projects, and a management style that encourages professional growth and autonomy.

HQ Significance:

The New York City headquarters is crucial for door3's access to a rich talent pool, its proximity to major clients across various industries, and its position within one of the world's leading technology and business ecosystems.

Values Reflected in HQ: The choice of a vibrant and accessible New York City location, combined with a workspace designed for collaboration and innovation, reflects door3's core values of client-centricity, excellence, creativity, and forward-thinking.

Location:

door3 maintains a strategic global presence with key offices in New York (USA), London (UK), and Kyiv (Ukraine). This international footprint enables them to serve a diverse global clientele, offer localized support, access varied talent pools, and manage projects across different time zones. Their global operations support a full range of services, including digital strategy, user experience design, custom software engineering, and data analytics, for clients across North America, Europe, and beyond.

Street Address:

12 Desbrosses Street, Floor 3

City:

New York

State/Province:

NY

Country:

USA

DOOR3's Global Presence

London, UK

Address: Kemp House, 160 City Road, London, EC1V 2NX, UK

To expand door3's footprint in the European market, address the specific needs of regional clients, and leverage the diverse tech talent pool available in London and across Europe.

Kyiv, Ukraine

Address: Simi Prakhovykh St, 50, Kyiv, Ukraine, 01033

To access a highly skilled engineering talent pool for developing robust, scalable software solutions, thereby enhancing door3's global service delivery capabilities and cost-effectiveness.

Buying Intent Signals for DOOR3

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of DOOR3

As of April 2025, DOOR3' leadership includes:

Alex Asianov - Founder & CEO
Jonathan Lewis - Managing Partner
Igor Shoshkin - Chief Technology Officer
Lou Herrmann - Chief Design Officer
Frank Justice - Chief Strategy Officer
Roman Gerasimenko - Managing Director, Ukraine

Investors of DOOR3

DOOR3 has been backed by several prominent investors over the years, including:

door3 is a privately held company. While it has received seed funding in its early stages, specific investor details are not publicly disclosed.

Executive New Hires/Exits in the Last 12 Months

Hire0
Exits0

Based on publicly available information, there have been no major C-suite or VP-level executive hires or departures announced at door3 in the last 12 months, suggesting a period of leadership stability. The existing executive team continues to guide the company's strategic initiatives and growth.

Technology (Tech Stack) used by DOOR3

Discover the tools DOOR3 uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

DOOR3 Email Formats and Examples

door3 commonly uses an email format that combines the first initial of an employee's first name with their full last name, followed by '@door3.com'. While this is the predominant pattern, other formats might exist in isolated cases.

flast@door3.com (e.g., jsmith@door3.com)

Format

aasianov@door3.com

Example

85%

Success rate

News and media

door3 BlogMarch 12, 2024

door3 Discusses Paradigm Shift with Generative AI in Software Development

door3 published an insightful article on their company blog exploring the transformative impact of Generative AI on software development processes, outlining new opportunities and challenges for the industry....more

Clutch.coNovember 7, 2023

door3 Consistently Receives High Ratings on Clutch for Custom Software Development

Client reviews and ratings on Clutch.co continue to highlight door3's expertise in custom software development, UX/UI design, and project management, reinforcing their reputation as a leading B2B service provider in the technology sector....more

door3 WebsiteSeptember 20, 2023

door3 Showcases New Case Study on Successful Digital Transformation Project

door3 updated its portfolio with a new case study detailing a successful digital transformation project for a client in the financial services industry, highlighting improved efficiency and customer engagement....more

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