Insights

Diversified Portfolio Larson & Darby Group operates across multiple markets including corporate/industrial, academic, healthcare, civic/cultural, municipal, liturgical, recreation, multi-family housing, congregate care, senior living, retail/commercial, and transportation, indicating cross-market opportunities for architecture, engineering, and interiors services.

Full‑Service Advantage As an award-winning, interdisciplinary firm offering architecture, engineering, interiors, construction administration, and sustainable design, they present a one-stop shop for clients seeking streamlined project delivery and integrated design solutions.

Sustainability Focus Sustainable design is highlighted as a core capability, suggesting a readiness to pursue energy-efficient, LEED-style, or net-zero projects that can be targeted with ESG-conscious clients and public sector opportunities.

Financial Scale With reported revenue in the mid seven figures and a team size of 51–200 employees, there is potential for mid-market project opportunities, long‑term retainer relationships, and expansion into larger multidisciplinary projects through strategic partnerships.

Recognition & Relationships Past awards for adaptive reuse and preservation demonstrate expertise in leveraging existing structures, which can be a selling point for municipalities, universities, and healthcare institutions pursuing renovation and revitalization initiatives.

Larson & Darby Group Tech Stack

Larson & Darby Group uses 8 technology products and services including WordPress, MySQL, Barracuda Email Protection, and more. Explore Larson & Darby Group's tech stack below.

  • WordPress
    Content Management System
  • MySQL
    Database
  • Barracuda Email Protection
    Email Security
  • JSON-LD
    Javascript Frameworks
  • Office 365
    Office Suites
  • PHP
    Programming Languages
  • reCAPTCHA
    Security
  • HSTS
    Security

Larson & Darby Group's Email Address Formats

Larson & Darby Group uses at least 1 format(s):
Larson & Darby Group Email FormatsExamplePercentage
FLast@larsondarby.comJDoe@larsondarby.com
87%
FirstLast@larsondarby.comJohnDoe@larsondarby.com
7%
First.Last@larsondarby.comJohn.Doe@larsondarby.com
3%
FMLast@larsondarby.comJMDoe@larsondarby.com
3%

Frequently Asked Questions

What is Larson & Darby Group's phone number?

Minus sign iconPlus sign icon
You can contact Larson & Darby Group'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 Larson & Darby Group's official website and social media links?

Minus sign iconPlus sign icon
Larson & Darby Group's official website is larsondarby.com and has social profiles on LinkedIn.

What is Larson & Darby Group's SIC code NAICS code?

Minus sign iconPlus sign icon
Larson & Darby Group's SIC code is 8712 - Architectural Services NAICS code is 54131 - Architectural Services.

How many employees does Larson & Darby Group have currently?

Minus sign iconPlus sign icon
As of July 2026, Larson & Darby Group has approximately 55 employees across 2 continents, including North AmericaAsia. Key team members include Chairman Of The Board/Architect: D. R.Director Of Design: G. T.Director Of Construction Administration And Sustainability: M. D.. Explore Larson & Darby Group's employee directory with LeadIQ.

What industry does Larson & Darby Group belong to?

Minus sign iconPlus sign icon
Larson & Darby Group operates in the Architecture and Planning industry.

What technology does Larson & Darby Group use?

Minus sign iconPlus sign icon
Larson & Darby Group's tech stack includes WordPressMySQLBarracuda Email ProtectionJSON-LDOffice 365PHPreCAPTCHAHSTS.

What is Larson & Darby Group's email format?

Minus sign iconPlus sign icon
Larson & Darby Group's email format typically follows the pattern of FLast@larsondarby.com. Find more Larson & Darby Group email formats with LeadIQ.

When was Larson & Darby Group founded?

Minus sign iconPlus sign icon
Larson & Darby Group was founded in 1963.
Larson & Darby Group logo

Larson & Darby Group

Architecture and PlanningIllinois, United States51-200 Employees

Larson & Darby Group is a Rockford-based architecture, engineering, and interiors design firm offering a full spectrum of services that span architecture, master planning, interior design, structural engineering, facility management, sustainable design, virtual design, and construction administration. The firm positions itself as an interdisciplinary practice that partners with clients to deliver thoughtful building and design solutions across a wide range of markets, including corporate and industrial, academic, healthcare, civic and cultural, municipal, congregate care, senior living, retail, and transportation. Based in Illinois, the company emphasizes collaborative client relationships and a legacy of design quality in its work, which has earned recognitions such as industry awards for adaptive reuse and preservation. Larson & Darby Group serves organizations seeking integrated design and planning expertise to address complex built-environment needs in diverse project types. The firm maintains a multi-disciplinary approach within the architecture and planning sector and operates from its Illinois base, reflecting a long-standing presence in the regional market.

Section iconCompany Overview

Phone number
SIC Code
8712 - Architectural Services
NAICS Code
54131 - Architectural Services
Founded
1963
Employees
51-200

Section iconFunding & Financials

  • $10M$25M

    Larson & Darby Group's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    Larson & Darby Group's revenue is estimated to be in the range of $10M$25M

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.