Insights

Diverse Service Portfolio O'Neil Langan Architects offers a comprehensive range of services including architectural, interior design, retail design, project management, fixture and graphic design, and visual merchandising, positioning them as a one-stop firm for clients seeking holistic design solutions across multiple sectors.

Growing Firm Size With over 50 employees and a reputation for rapid growth, the firm presents opportunities to partner on larger projects or expand service offerings as the firm continues to scale its operations within the competitive New York market.

High Revenue Potential Generating between $50 million and $100 million annually, O'Neil Langan Architects demonstrates strong financial health, making them an attractive prospect for premium service vendors, technology solutions, or strategic partnerships to support their continued growth.

Creative Market Focus Specializing in high-end retail projects with experience working on projects worldwide, the firm provides opportunities to engage with premium brands and emerging market segments seeking innovative design and branding collaborations.

Tech-Enabled Operations Utilizing a tech stack that includes Squarespace, Webpack, JSON-LD, and jQuery indicates a modern approach to digital presence and project management, opening doors for technology providers to offer digital solutions, analytics tools, or project management software tailored for creative architecture firms.

O'Neil Langan Architects Tech Stack

O'Neil Langan Architects uses 8 technology products and services including Squarespace, RSS, Webpack, and more. Explore O'Neil Langan Architects's tech stack below.

  • Squarespace
    Content Management System
  • RSS
    Content Management System
  • Webpack
    Development
  • Squarespace Commerce
    E-commerce
  • JSON-LD
    Javascript Frameworks
  • Choices
    Javascript Libraries
  • jQuery
    Javascript Libraries
  • Priority Hints
    Performance

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.

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 May 2026, O'Neil Langan Architects has approximately 66 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 SquarespaceRSSWebpackSquarespace CommerceJSON-LDChoicesjQueryPriority Hints.

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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