Insights

Sustainability niche Position Larson & Darby Group as a sustainability focused full-service architecture and design partner with a track record in adaptive reuse and sustainable design to appeal to corporate, healthcare, and civic clients seeking energy efficiency and resilient spaces.

Integrated services Leverage the firm’s interdisciplinary capabilities across architecture, engineering, interiors, construction administration, and facility management to offer bundled solutions that reduce client coordination risk and accelerate project delivery for complex programs.

Award credibility Highlight past awards such as adaptive reuse and preservation certificates to build credibility with clients pursuing renovation, historic preservation, or program expansions in university, healthcare, and municipal sectors.

Market diversification Emphasize diverse market portfolio including corporate/industrial, academic, healthcare, civic, senior living, and transportation to identify cross-selling opportunities across sectors and expand target account lists within mid-market to large enterprise clients.

Digital and design tech Promote capabilities in virtual design, master planning, and digital tools (WordPress, JSON-LD, Office 365) to appeal to clients seeking innovative visualization, data-driven design, and efficient collaboration across distributed teams.

Larson & Darby Group Tech Stack

Larson & Darby Group uses 8 technology products and services including iCIMS, AutoCAD, Drupal, and more. Explore Larson & Darby Group's tech stack below.

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?

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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?

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

How much revenue does Larson & Darby Group generate?

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As of July 2026, Larson & Darby Group's annual revenue is estimated to be $10M - $25M.

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

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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?

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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?

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Larson & Darby Group operates in the Architecture and Planning industry.

What technology does Larson & Darby Group use?

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Larson & Darby Group's tech stack includes iCIMSAutoCADDrupalWordPressShopifyBarracuda Email ProtectionOffice 365Piwik PRO Core.

What is Larson & Darby Group's email format?

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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?

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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

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