Insights

Growth through talent Firm expansion and frequent hires across multiple offices indicate ongoing growth and a need for scalable risk management services, onboarding support, and training programs for new attorneys.

Digital modernization Recent website launch and emphasis on a strong tech stack suggest an opportunity to offer cybersecurity, data privacy compliance, and client portal enhancements to improve data security and client experience.

Insurance partnerships Specialization in defense for insurers and self-insured clients positions the firm as a potential partner for insurer collaborations, claims management outsourcing, and risk transfer services.

Geographic reach Presence in PA, NJ, DE, CT, OH, NY, and FL creates openings for regional litigation support, e-discovery, and cross-jurisdictional practice management solutions.

Financial health Revenue scale of up to half a billion dollars implies capacity for enterprise-level legal operations services, practice management software, and comprehensive vendor risk assessments.

Similar companies to Marshall Dennehey

Marshall Dennehey Tech Stack

Marshall Dennehey uses 8 technology products and services including Microsoft Transact-SQL, DNS Made Easy, Azure Active Directory, and more. Explore Marshall Dennehey's tech stack below.

  • Microsoft Transact-SQL
    Database Management
  • DNS Made Easy
    Domain Name Services
  • Azure Active Directory
    Identity And Access Management
  • React
    Javascript Frameworks
  • Windows 10
    Operating Systems
  • PHP
    Programming Languages
  • Citrix
    Virtualisation Software
  • CSS
    Web Tools And Plugins

Media & News

Marshall Dennehey's Email Address Formats

Marshall Dennehey uses at least 2 format(s):
Marshall Dennehey Email FormatsExamplePercentage
First.Last@marshalldennehey.comJohn.Doe@marshalldennehey.com
94%
First@marshalldennehey.comJohn@marshalldennehey.com
3%
Last@marshalldennehey.comDoe@marshalldennehey.com
2%
FLast@marshalldennehey.comJDoe@marshalldennehey.com
1%
FLast@mdwcg.comJDoe@mdwcg.com
75%
FMLast@mdwcg.comJMDoe@mdwcg.com
12%
FiLast@mdwcg.comJoDoe@mdwcg.com
8%
First.Last@mdwcg.comJohn.Doe@mdwcg.com
5%

Frequently Asked Questions

What is Marshall Dennehey's phone number?

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You can contact Marshall Dennehey'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 Marshall Dennehey's official website and social media links?

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Marshall Dennehey's official website is marshalldennehey.com and has social profiles on LinkedIn.

How much revenue does Marshall Dennehey generate?

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As of July 2026, Marshall Dennehey's annual revenue is estimated to be $250M - $500M.

What is Marshall Dennehey's NAICS code?

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Marshall Dennehey's NAICS code is 54111 - Offices of Lawyers.

How many employees does Marshall Dennehey have currently?

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As of July 2026, Marshall Dennehey has approximately 1.2K employees across 4 continents, including North AmericaAsiaAfrica. Key team members include Chief Executive Officer: J. S.Chief Executive Officer And Founder: J. W.President: G. W.. Explore Marshall Dennehey's employee directory with LeadIQ.

What industry does Marshall Dennehey belong to?

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Marshall Dennehey operates in the Law Practice industry.

What technology does Marshall Dennehey use?

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Marshall Dennehey's tech stack includes Microsoft Transact-SQLDNS Made EasyAzure Active DirectoryReactWindows 10PHPCitrixCSS.

What is Marshall Dennehey's email format?

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Marshall Dennehey's email format typically follows the pattern of First.Last@marshalldennehey.com. Find more Marshall Dennehey email formats with LeadIQ.

When was Marshall Dennehey founded?

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Marshall Dennehey was founded in 1962.
Marshall Dennehey logo

Marshall Dennehey

Law PracticePennsylvania, United States1001-5000 Employees

Marshall Dennehey Warner Coleman & Goggin, P.C. is a law practice specializing in civil defense litigation, founded in 1962 and headquartered at 2000 Market Street, 23rd Floor, Philadelphia, PA 19103. The firm represents insurers, self-insured businesses, and professionals across areas including professional liability, casualty, health care, employment, and workers' compensation. It operates with about 500 attorneys in 19 offices located across Pennsylvania, New Jersey, Delaware, Connecticut, Ohio, New York, and Florida, enabling regional client service. The practice encompasses a broad array of areas, such as automobile liability, product liability, environmental and toxic tort, and insurance coverage/bad faith, among others. The organization employs between 1,001 and 5,000 people and maintains a website at marshalldennehey.com.

Section iconCompany Overview

Phone number
NAICS Code
54111 - Offices of Lawyers
Founded
1962
Employees
1001-5000

Section iconFunding & Financials

  • $250M - $500M

    Marshall Dennehey's revenue is estimated to be in the range of $250M - $500M

Section iconFunding & Financials

  • $250M - $500M

    Marshall Dennehey's revenue is estimated to be in the range of $250M - $500M

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