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DOOR3

Premier Verified

Independence is the difference.

5.0
10 Reviews
Min. Project $25,000+
Hourly Rate $100 - $149 / hr
Employees 11-50
Locations New York, NY
Founded 2002
Languages English
About

Independence is the difference.

We are a software consultancy. Our purpose is to benefit our clients — their people, products, and services. Our core strengths are software development, technology strategy, and UI/UX design. Our difference is a peerless capacity to safely and reliably deliver solutions on-time and on-budget. Founded in 2002, we’re headquartered in... Read More

"Their openness to understanding what we do is impressive."

Service Mix
Pricing

Pricing Snapshot

Min. Project $25,000+
Avg. Hourly $100 - $149 / hr
Cost Rating 5.0/5

What Clients Have Said

"DOOR3 has brought unique perspectives and ideas to our team and the projects they've worked on."

Projects

Most Common Project Size

$0 – $200,000

Based on 10 reviews

Compare

Where DOOR3 Competes

DOOR3 is listed in 4 categories on 10Firms. Browse each category to see how it ranks against other verified providers, or view its packages and pricing.

Reviews

DOOR3 Client Reviews

Design System Dev, UX/UI Design & Consulting for IT Company

Aug 06, 2026
The Project
Custom Software Development
Confidential
June - Aug. 2024
Project Summary

An IT company hired DOOR3 to develop their first design system. The team was also responsible for improving the client's existing UX/UI and providing UX consultation for selected use cases.

The Review

"The DOOR3 team is quite adaptable and creative when it comes to delivering fair value for your budget."

Feedback Summary

Thanks to DOOR3's work, the client's design cycles were 65% faster, and their frontend development cycles were four times faster. DOOR3 was responsive and accommodated the client's requests for flexibility or negotiations on the project's scope. Overall, the client was pleased with the team's work.

5
Quality 5
Schedule 5
Cost 5
Use of AI 5
Willing to Refer 5
A
The Reviewer

Anonymous

Product Manager at IT Company

Frontend Design & Dev for Sales Intelligence App Provider

Aug 06, 2026
The Project
Custom Software Development
$200,000 to $999,999
July 2024 - Ongoing
Project Summary

DOOR3 supports the frontend design and development of an intelligence sales app provider's product. The team has created a Figma prototype and uses AI, .NET, React.js, and Microsoft Azure for development.

The Review

"DOOR3 exceeds expectations in terms of innovation and the professional process they use to deliver results."

Feedback Summary

DOOR3's work quality exceeds the client's expectations. The team is innovative and offers effective new ideas. DOOR3 assigns senior professionals to the project, resulting in excellent communication. DOOR3 works in two-week sprints and collaborates via Microsoft Boards and Microsoft PowerPoint.

5
Quality 5
Schedule 5
Cost 5
Use of AI 5
Willing to Refer 5
G
The Reviewer

Guy Mounier

CEO at Aptivio

Web Dev for Healthcare Company

Aug 06, 2026
The Project
Web Development
Confidential
May 2022 - Ongoing
Project Summary

DOOR3 has helped a healthcare company develop an employee portal using Microsoft SharePoint. They offered several options to choose from. Now that the site is launched, they provide managed services.

The Review

"I'm impressed with the discovery phase and proof of concept phase they took us through to make sure we were making the right decisions."

Feedback Summary

The platform has been a great tool to bring information and awareness to the employees and has received a lot of positive feedback. The DOOR3 team delivers on time and on budget. The client is very pleased with how well they managed the project.

5
Quality 5
Schedule 5
Cost 5
Use of AI 5
Willing to Refer 5
A
The Reviewer

Anonymous

Sr. Program Director at Healthcare Company

UX/UI Audit for Religious Nonprofit

Aug 06, 2026
The Project
UX/UI Design
$50,000 to $199,999
Nov. 2022 - Mar. 2023
Project Summary

DOOR3 provided UX/UI design consulting services for a religious nonprofit. The team analyzed the client's website and recommended changes. The suggestions varied in impact and ease of implementation.

The Review

"They're so good at collaborating, and they're just a nice group to work with."

Feedback Summary

DOOR3 met all the client's requirements. The team collaborated well and provided good ideas and put together an impressive presentation. Their organized and dedicated approach contributed to the project's success; they cared about the client's mission, met deadlines, and worked within the budget.

5
Quality 5
Schedule 5
Cost 5
Use of AI 5
Willing to Refer 5
A
The Reviewer

Anonymous

Senior Director of Integrated Fundraising at Nonprofit

UI/UX Design for SaaS Company

Aug 06, 2026
The Project
UX/UI Design
$50,000 to $199,999
Dec. 2022 - Mar. 2023
Project Summary

A SaaS company hired DOOR3 for UX/UI design services. The team was responsible for designing a mobile application from scratch. After a research phase, DOOR3 completed the designs using Figma and FigJam.

The Review

"The process was fun, and it was energizing to work with DOOR3."

Feedback Summary

The client was extremely satisfied with the designs from DOOR3, and external feedback was positive. The service provider was highly organized in their approach and delivered everything on time and under budget. The client was impressed with DOOR3's collaborative skills and enthusiasm.

5
Quality 5
Schedule 5
Cost 5
Use of AI 5
Willing to Refer 5
A
The Reviewer

Alexis Lellios

UX Manager at SaaS Company

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