Insights

Integrated design strength Leverage LJC’s full-service architecture, engineering, and design capabilities and its status as a Clayco subsidiary to position as a single-source solution for clients seeking design-build efficiency, faster delivery, and cohesive project coordination.

Cross-market expansion Target growth opportunities across the firm’s multiple offices (Chicago, Denver, Kansas City, Los Angeles, Phoenix, St. Louis) and their combined service lines to pursue multi-site healthcare, education, commercial, and mixed-use developments with standardized design-build workflows.

Strong leadership growth Capitalize on recent hires and promotions (Associate Principals and Principal roles) to approach clients undergoing leadership change, highlighting LJC’s continuity, expertise, and project-team stability for ongoing and future programs.

Sustainability angle Promote LJC’s sustainability services and integrated building services to win bids requiring resilience, energy efficiency, and LEED-aligned planning, especially in municipal, higher-education, and corporate campuses where sustainability is a differentiator.

Tech-enabled delivery Highlight use of advanced design and analysis tools (HydraCAD, SAP 2000, ANSYS, Autodesk, BACnet, ISO 14644, etc.) to attract clients needing rigorous engineering, BIM coordination, and performance simulations to de-risk schedules and budgets.

LJC Tech Stack

LJC uses 8 technology products and services including HydraCAD, SAP 2000, ISO 14644, and more. Explore LJC's tech stack below.

  • HydraCAD
    Cad & Graphics
  • SAP 2000
    Cad & Graphics
  • ISO 14644
    Certificates
  • BACnet
    Control Systems
  • Cisco
    Network Hardware
  • ANSYS
    Software Development
  • Autodesk
    Visualisation Software
  • Zoom
    Web Conferencing

Media & News

LJC's Email Address Formats

LJC uses at least 1 format(s):
LJC Email FormatsExamplePercentage
LastF@theljc.comDoeJ@theljc.com
74%
Last@theljc.comDoe@theljc.com
12%
FLast@theljc.comJDoe@theljc.com
11%
FirstLast@theljc.comJohnDoe@theljc.com
3%

Frequently Asked Questions

What is LJC's phone number?

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You can contact LJC'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 LJC's stock symbol?

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LJC is a publicly traded company; the company's stock symbol is 0LJC.DE.

What is LJC's official website and social media links?

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LJC's official website is theljc.com and has social profiles on LinkedIn.

How much revenue does LJC generate?

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As of July 2026, LJC's annual revenue is estimated to be $100M - $250M.

What is LJC's NAICS code?

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LJC's NAICS code is 54131 - Architectural Services.

How many employees does LJC have currently?

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As of July 2026, LJC has approximately 351 employees across 4 continents, including North AmericaEuropeAfrica. Key team members include Chief Executive Officer: A. M.Business Office Manager: A. P.Senior Marketing Manager: C. S.. Explore LJC's employee directory with LeadIQ.

What industry does LJC belong to?

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LJC operates in the Architecture and Planning industry.

What technology does LJC use?

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LJC's tech stack includes HydraCADSAP 2000ISO 14644BACnetCiscoANSYSAutodeskZoom.

What is LJC's email format?

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LJC's email format typically follows the pattern of LastF@theljc.com. Find more LJC email formats with LeadIQ.

When was LJC founded?

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LJC was founded in 1999.
LJC logo

LJC

Architecture and PlanningIllinois, United States201-500 Employees

LJC Design & Engineering is a full-service architecture, engineering, and design firm that aims to enhance the human experience through integrated design across multiple disciplines. By combining architecture, structural and building services engineering, interior design, landscape architecture, urban planning, and sustainability, the firm delivers cohesive solutions for development and construction projects. As a subsidiary of Clayco, a national design-build firm, LJC adopts a design-build approach that brings designers, engineers, and contractors together from the outset to address challenges collaboratively and help keep projects on schedule and on budget.

Headquartered in Chicago, Illinois, the company maintains offices across Denver, Kansas City, Los Angeles, Phoenix, St. Louis, and Chicago. Its client base comprises organizations seeking integrated design services to streamline development and construction through single-source contracting. In 2024, the firm announced leadership appointments in its Chicago office, reflecting ongoing governance changes.

Section iconCompany Overview

Phone number
Website
theljc.com
Stock Symbol
0LJC.DE
NAICS Code
54131 - Architectural Services
Founded
1999
Employees
201-500

Section iconFunding & Financials

  • $100M - $250M

    LJC's revenue is estimated to be in the range of $100M - $250M

Section iconFunding & Financials

  • $100M - $250M

    LJC's revenue is estimated to be in the range of $100M - $250M

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