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O'Neil Langan Architects Employee Directory

Architecture and PlanningNew York, United States51-200 Employees

O'Neil Langan Architects (OLA) is a New York–based architecture and planning practice founded in 1996 by Steven O’Neil and Mary Langan. The firm offers a broad suite of services spanning architectural and interior design, project management, and specialized retail design, along with fixture design, image/identity work, visual merchandising, and packaging design. Its work centers on high-end retail projects while also partnering with emerging brands and clients with tighter budgets, prioritizing inventive design and meticulous detailing.

Based in Manhattan, the practice has grown into a sizable studio handling projects globally, supported by a team of architects, interior designers and CAD drafters. The partners are involved in every project, underscoring a commitment to professional service and close collaboration with clients and consultants. The firm is actively expanding and seeking new designers to join the team.

Find O'Neil Langan Architects employees' phone numbers or email addresses

O'Neil Langan Architects Global Highlights

Location
Employees

North America
106

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  • United States Of America
    106

Asia
3

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  • India
    2
  • United Arab Emirates
    1

Europe
1

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  • Spain
    1

O'Neil Langan Architects's Leadership

  • Stylized image of a person
    Y. X.
    Project Manager
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  • Stylized image of a person
    H. P.
    Assistant Project Manager
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  • Stylized image of a person
    S. M.
    Project Manager
    Phone icon
  • Stylized image of a person
    T. M.
    Assistant Project Manager
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  • Stylized image of a person
    C. B.
    Junior Architectural And Experiential Designer
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  • Stylized image of a person
    N. K.
    Designer
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  • Stylized image of a person
    M. S.
    Periodontist
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O'Neil Langan Architects Employee Metrics

100%
50%
0%
2026
2025
  • Program & Project Management
  • Arts & Design
  • Administrative
  • Business
  • Accounting
  • Other

Contact profiles from O'Neil Langan Architects

Name
Title
Contact Info
Location
Last Update
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    Y. X.
    Project Manager
    Phone icon
    May 28, 2026
  • Stylized image of a person
    H. P.
    Assistant Project Manager
    Phone icon
    IndiaGujarat
    Oct 17, 2024
  • Stylized image of a person
    S. M.
    Project Manager
    Phone icon
    Oct 23, 2024
  • Stylized image of a person
    T. M.
    Assistant Project Manager
    Phone icon
    Feb 25, 2024
  • Stylized image of a person
    C. B.
    Junior Architectural And Experiential Designer
    Phone icon
    Oct 22, 2024
  • Stylized image of a person
    N. K.
    Designer
    Phone icon
    Apr 23, 2025
  • Stylized image of a person
    M. S.
    Periodontist
    Phone icon
    India
    Sep 10, 2025

Frequently Asked Questions

What is O'Neil Langan Architects known for?

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O'Neil Langan Architects was founded in 1996 operates in the Architecture and Planning industry; you can contact the main corporate office by phone at . Explore O'Neil Langan Architects's company overview page for more information.

What is O'Neil Langan Architects's most common email format?

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O'Neil Langan Architects employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more O'Neil Langan Architects email formats with LeadIQ.

How many employees does O'Neil Langan Architects have currently?

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O'Neil Langan Architects has approximately 64 employees as of July 2026. These team members are located across 3 continents, including North AmericaAsiaEurope.

Who are O'Neil Langan Architects's key employees and leadership?

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As of July 2026, O'Neil Langan Architects's key employees include:

  • Project Manager: Y. X.
  • Assistant Project Manager: H. P.
  • Project Manager: S. M.
  • Assistant Project Manager: T. M.
  • Junior Architectural And Experiential Designer: C. B.

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