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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

  • Project Manager at O'Neil Langan Architects
    Y. X.
    Project Manager
  • Assistant Project Manager at O'Neil Langan Architects
    H. P.
    Assistant Project Manager
  • Project Manager at O'Neil Langan Architects
    S. M.
    Project Manager
  • Assistant Project Manager at O'Neil Langan Architects
    T. M.
    Assistant Project Manager
  • Junior Architectural And Experiential Designer at O'Neil Langan Architects
    C. B.
    Junior Architectural And Experiential Designer
  • Designer at O'Neil Langan Architects
    N. K.
    Designer
  • Periodontist at O'Neil Langan Architects
    M. S.
    Periodontist
  • Interior Designer at O'Neil Langan Architects
    A. C.
    Interior Designer

O'Neil Langan Architects Employee Metrics

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

Contact profiles from O'Neil Langan Architects

Name
Title
Contact
Location
Last Update
  • Project Manager at O'Neil Langan Architects
    Y. X.
    Project Manager
    Aug 28, 2026
  • Assistant Project Manager at O'Neil Langan Architects
    H. P.
    Assistant Project Manager
    India, Gujarat
    Oct 17, 2024
  • Project Manager at O'Neil Langan Architects
    S. M.
    Project Manager
    Oct 23, 2024
  • Assistant Project Manager at O'Neil Langan Architects
    T. M.
    Assistant Project Manager
    Feb 25, 2024
  • Junior Architectural And Experiential Designer at O'Neil Langan Architects
    C. B.
    Junior Architectural And Experiential Designer
    Oct 22, 2024
  • Designer at O'Neil Langan Architects
    N. K.
    Designer
    Apr 23, 2025
  • Periodontist at O'Neil Langan Architects
    M. S.
    Periodontist
    India
    Sep 10, 2025
  • Interior Designer at O'Neil Langan Architects
    A. C.
    Interior Designer
    Aug 29, 2026

Frequently Asked Questions

What is O'Neil Langan Architects known for?

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O'Neil Langan Architects was founded in 1996 and operates in the Architecture and Planning industry. You can contact O'Neil Langan Architects's 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 First@olarch.com. 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 62 employees as of August 2026. These team members are located across 3 continents, including North America, Asia and Europe.

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

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As of August 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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