Insights

Luxury retail focus Target high end retailers and luxury brands expanding into new markets or renovating flagship stores, leveraging OLA's expertise in high end retail design and turnkey services to win renewals on store refresh projects.

Growing team With 51-200 employees and a rapidly growing practice in Manhattan, there is capacity to handle larger, multi-site projects or international expansions for existing or new clients seeking scalable architecture and interior design teams.

Full service offering Leverage OLA's integrated services from architectural services to interior design, project management, fixture design and visual merchandising to pitch bundled, single-source solutions for retailers, hospitality and showrooms seeking cohesive delivered projects.

Global project experience Position OLA as a partner for brands expanding globally by highlighting completed projects worldwide, enabling cross-market design consistency and local execution support for international retail rollouts.

Financial velocity Revenue range indicates medium to large projects with potential for recurring revenue through maintenance, renovations, and advisory services; pursue long term retainer arrangements or ongoing design updates for existing clients.

Similar companies to O'Neil Langan Architects

O'Neil Langan Architects Tech Stack

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

  • Google Hosted Libraries
    Content Delivery Network
  • RSS
    Content Management System
  • Content Management System
  • JSON-LD
    Javascript Frameworks
  • Office Suites
  • Priority Hints
    Performance
  • HSTS
    Security

O'Neil Langan Architects's Email Address Formats

O'Neil Langan Architects uses at least 3 email formats:
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

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 October 2026, O'Neil Langan Architects's annual revenue is estimated to be $50M - $100M.

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

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O'Neil Langan Architects's SIC code is 8712 - Architectural Services and NAICS code is 54131 - Architectural Services.

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

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As of October 2026, O'Neil Langan Architects has approximately 61 employees across 3 continents, including North America, Asia and Europe. Key team members include Project Manager: Y. X., Assistant Project Manager: H. P. and Project Manager: S. M. 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 Libraries, RSS, Squarespace, Squarespace Commerce, JSON-LD, Office 365, Priority Hints and HSTS.

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 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

Phone number
Website
olarch.com
SIC Code
8712 - Architectural Services
NAICS Code
54131 - Architectural Services
Founded
1996
Employees
51-200

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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