We are a UX design agency based in New York City.

The products and designs we produce are informed, intuitive, and long-lasting. Our client list is global.

 Dr. Treat: From Project Beginnings to MVP launch

Dr. Treat: From Project Beginnings to MVP launch

DOOR3 designed and built a boutique vet’s mobile and desktop product, honing in on their blue sky vision.

Recent Awards


2023 GDUSA American Digital Design
Awards, Startup Website
& Mobile Redesign


2023 Web Excellence Award Winner,
UX Mobile Development


2022 W3 Award Winner,
Education Websites

Our UX Design Philosophy

  • All About the People

    Our design team provides value to projects by empathizing with the user. Designing for usability maximizes return on investment across product sectors.

  • Purpose is the Point

    We put function first. Our aim is timeless, intuitive, functionality. From the start, we drive toward the why. 

  • Collaborative & Multidisciplinary 

    A well designed application isn’t just about design – it’s created through the expertise drawn from many disciplines. Our designers work closely with business analysts, project managers, and engineers to make something that works well, for your needs.

 Our UX Design Philosophy

We design software your users will love, built on research and expertise.

Our Design Capabilities

Our Design Consultants

  •  Tom McClean

    Tom McClean

    UX & Design Practice Lead

  •  Senior UX Designer

    Federico Fernandez

    Senior UX Designer

  •  Jon Allen

    Jon Allen

    Senior UX Designer

  •  Bailey Costello

    Bailey Costello

    Senior UX Designer

“They are an extremely professional and knowledgeable company.”

Paula Balzer,
CEO, gigHire

 Top UX Design Agency NYC 2023 | DOOR3
Our Services

DOOR3 modernizes technology and evolves the enterprise, whether that’s a single business application or an entire organization. Our purpose is to provide our clients with expert guidance and to build software vital to their organizations.

Let’s work together.