Insights

Diverse Design Expertise O'Neil Langan Architects has a broad portfolio spanning retail, corporate interiors, healthcare, hospitality, residential, and commercial spaces, indicating their versatility and ability to cater to various client needs across multiple sectors.

Global Project Reach With projects all over the world, the firm demonstrates a capability to handle international clients and large-scale projects, presenting opportunities for expanding business into new geographic markets.

Strong Financial Position The company reports an annual revenue between 50 and 100 million dollars, signifying a stable financial base and substantial client base, which can be attractive for high-value collaborations and repeat projects.

Growth and Talent Acquisition Fast-growing with an expanding team of over 50 employees, the firm shows openness to hiring talented designers and architects—potential for partnership or providing specialized staffing solutions.

Focus on Creative and Professional Service O'Neil Langan emphasizes innovative design combined with high-quality service, making them a potential partner for clients seeking bespoke architectural solutions with a reputation for professionalism and long-term relationships.

O'Neil Langan Architects Tech Stack

O'Neil Langan Architects uses 8 technology products and services including Google Hosted Libraries, Open Graph, Squarespace, and more. Explore O'Neil Langan Architects's tech stack below.

  • Google Hosted Libraries
    Content Delivery Network
  • Open Graph
    Content Management System
  • Squarespace
    Content Management System
  • Webpack
    Development
  • Squarespace Commerce
    E-commerce
  • Modernizr
    Javascript Libraries
  • jQuery
    Javascript Libraries
  • Choices
    Javascript Libraries

Media & News

O'Neil Langan Architects's Email Address Formats

O'Neil Langan Architects uses at least 1 format(s):
O'Neil Langan Architects Email FormatsExamplePercentage
First@olarch.comJohn@olarch.com
94%
Last@olarch.comDoe@olarch.com
4%
First.Last@olarch.comJohn.Doe@olarch.com
2%

Frequently Asked Questions

Where is O'Neil Langan Architects's headquarters located?

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O'Neil Langan Architects's main headquarters is located at 118 West 22nd Street 6th Floor New York, New York 10011 United States. The company has employees across 3 continents, including North AmericaAsiaEurope.

What is O'Neil Langan Architects's phone number?

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You can contact O'Neil Langan Architects's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is O'Neil Langan Architects's official website and social media links?

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O'Neil Langan Architects's official website is olarch.com and has social profiles on LinkedIn.

How much revenue does O'Neil Langan Architects generate?

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As of April 2026, O'Neil Langan Architects's annual revenue is estimated to be $1.2M.

What is O'Neil Langan Architects's NAICS code?

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O'Neil Langan Architects's NAICS code is 54131 - Architectural Services.

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

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As of April 2026, O'Neil Langan Architects has approximately 69 employees across 3 continents, including North AmericaAsiaEurope. Key team members include Owner: S. O.Executive Architect, Vice President: S. C.Senior Project Manager: A. P.. Explore O'Neil Langan Architects's employee directory with LeadIQ.

What industry does O'Neil Langan Architects belong to?

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O'Neil Langan Architects operates in the Architecture and Planning industry.

What technology does O'Neil Langan Architects use?

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O'Neil Langan Architects's tech stack includes Google Hosted LibrariesOpen GraphSquarespaceWebpackSquarespace CommerceModernizrjQueryChoices.

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

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O'Neil Langan Architects's email format typically follows the pattern of First@olarch.com. Find more O'Neil Langan Architects email formats with LeadIQ.

When was O'Neil Langan Architects founded?

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O'Neil Langan Architects was founded in 1996.

O'Neil Langan Architects

Architecture and PlanningNew York, United States51-200 Employees

O'Neil Langan Architects was established in 1996 combining the expertise of partners Steven O’Neil and Mary Langan. The two architects share a commitment to creative design as well as a dedication to providing professional service. With a rapidly growing practice of young designers and architects, the team delivers consistent service to clients, exciting design solutions, and meticulous detailing. Since its inception the firm has expanded to more than 50 employees in Manhattan, with projects all over the world.

OLA’s portfolio is rich and diversified, but always seeks to bring a fresh approach to design problems. We specialize in high end retail projects, but also work with lower budgets and emerging brands. We are committed to the challenge of designing creatively and offering professional service no matter what the scope of a project.

We provide a range of services to our clients with a staff of architects, interior designers and cad drafters. Our current offerings include: Architectural services, Interior Design services, Project Management, Retail Design, Fixture Design, Image/Identity Design, Visual Merchandising, Graphic Design, In-Store Promotion and Packaging Design. Our prior experience includes work in Retail, Retail Complex Planning, Editing Studios, Corporate Interiors, Hospitality, Healthcare, Showrooms, Residential, Space Planning and Commercial Lobbies.

Our mission is to establish long term relationships based on our proven performance and creativity. The partners are involved in every project, working closely with clients and consultants. The leadership of the partners demonstrates to our staff the goals of dedicated professionalism, accuracy and effective project management.

We are fast growing and always interested in interviewing new talented designers. Please send employment inquiries to:

Email: alex@olarch.com

PLEASE NOTE: All valid employment-related communications will be made ONLY through ALEX@OLARCH.COM and the OLARCH.COM domain.

Section iconCompany Overview

Headquarters
118 West 22nd Street 6th Floor New York, New York 10011 United States
Phone number
Website
olarch.com
NAICS Code
54131 - Architectural Services
Founded
1996
Employees
51-200

Section iconMedia & News

Section iconFunding & Financials

  • $50M$100M

    O'Neil Langan Architects's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $50M$100M

    O'Neil Langan Architects's revenue is estimated to be in the range of $50M$100M

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