DOOR3

DOOR3 describes itself as an independent consultancy that also writes software, with its head office in New York City. It combines design, engineering and AI work to help enterprises modernise, integrate and scale their systems.

What DOOR3 offers

• Advisory — strategy and roadmaps for AI adoption, systems modernisation and automation, including consulting CTO and CIO support.
• Buildout — rapid prototyping, application development and systems integration.
• Project rescue — recovery work for stalled or underperforming technology projects.
• User experience design — interface and product design that sits alongside development.

Who it works with

Enterprises and early-stage start-ups across industries. Named clients include PepsiCo, AIG and Munich Re, and sample projects cover a bilingual delivery app, a retail sales dashboard and a school assessment tool.

Key facts

• Based in: New York City; further offices on the US east coast and in Europe
• Founded: 2002
• Ownership: Privately held