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?

Minus sign iconPlus sign icon
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?

Minus sign iconPlus sign icon
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?

Minus sign iconPlus sign icon
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?

Minus sign iconPlus sign icon
O'Neil Langan Architects's NAICS code is 54131 - Architectural Services.

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

Minus sign iconPlus sign icon
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?

Minus sign iconPlus sign icon
O'Neil Langan Architects operates in the Architecture and Planning industry.

What technology does O'Neil Langan Architects use?

Minus sign iconPlus sign icon
O'Neil Langan Architects's tech stack includes SquarespaceRSSWebpackSquarespace CommerceJSON-LDChoicesjQueryPriority Hints.

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

Minus sign iconPlus sign icon
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?

Minus sign iconPlus sign icon
O'Neil Langan Architects was founded in 1996.
O'Neil Langan Architects logo

O'Neil Langan Architects

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.

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

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.