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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
107

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  • United States Of America
    107

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
    S. O.
    Owner
    Phone icon
  • Stylized image of a person
    S. C.
    Executive Architect, Vice President
    Phone icon
  • Stylized image of a person
    A. P.
    Senior Project Manager
    Phone icon
  • Stylized image of a person
    B. K.
    Project Manager
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  • Stylized image of a person
    E. A.
    Assistant Project Manager
    Phone icon
  • Stylized image of a person
    H. P.
    Project Manager
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  • Stylized image of a person
    J. T.
    Senior Project Manager
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  • Stylized image of a person
    L. H.
    Project Manager
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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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    S. O.
    Owner
    Phone icon
    United StatesNew York
    May 31, 2026
  • Stylized image of a person
    S. C.
    Executive Architect, Vice President
    Phone icon
    United StatesNew York
    Apr 08, 2026
  • Stylized image of a person
    A. P.
    Senior Project Manager
    Phone icon
    United StatesNew York
    Apr 01, 2026
  • Stylized image of a person
    B. K.
    Project Manager
    Phone icon
    United StatesNew York
    Apr 01, 2026
  • Stylized image of a person
    E. A.
    Assistant Project Manager
    Phone icon
    United States
    Oct 17, 2025
  • Stylized image of a person
    H. P.
    Project Manager
    Phone icon
    United StatesNew York
    Apr 01, 2026
  • Stylized image of a person
    J. T.
    Senior Project Manager
    Phone icon
    United StatesNew Jersey
    Apr 01, 2026
  • Stylized image of a person
    L. H.
    Project Manager
    Phone icon
    United StatesNew Jersey
    Apr 17, 2026
  • Stylized image of a person
    P. G. B.
    Project Manager
    Phone icon
    United StatesNew York
    Jun 02, 2026
  • Stylized image of a person
    Q. C.
    Assistant Project Manager
    Phone icon
    United StatesNew York
    Aug 08, 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. The company's main headquarters is located in 118 West 22nd Street 6th Floor New York, New York 10011 United States; 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 66 employees as of May 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 May 2026, O'Neil Langan Architects's key employees include:

  • Owner: S. O.
  • Executive Architect, Vice President: S. C.
  • Senior Project Manager: A. P.
  • Project Manager: B. K.
  • Assistant Project Manager: E. A.

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