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Marshall Dennehey Employee Directory

Law PracticePennsylvania, United States1001-5000 Employees

Marshall Dennehey has about 1.3K employees, nearly all of them in North America. Legal and Community & Social Services make up over half of the profiles with a known department. Marshall Dennehey's workforce spans 20 departments. Marshall Dennehey's workforce held steady between July 2025 and July 2026.

Find Marshall Dennehey employees' phone numbers or email addresses

Marshall Dennehey Global Highlights

Location
Employees

North America
1.6K

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  • United States Of America
    1.6K
  • Honduras
    1

Asia
3

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  • India
    3

Africa
2

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  • Nigeria
    1
  • South Africa
    1

Europe
1

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  • Ireland
    1

Marshall Dennehey's Leadership

  • Chief Executive Officer at Marshall Dennehey
    J. S.
    Chief Executive Officer
    Mobile Phone
  • Chief Executive Officer And Founder at Marshall Dennehey
    J. W.
    Chief Executive Officer And Founder
    Mobile Phone
  • President at Marshall Dennehey
    G. W.
    President
    Mobile Phone
  • President at Marshall Dennehey
    S. C.
    President
    Mobile Phone
  • Founder at Marshall Dennehey
    C. L.
    Founder
    Mobile Phone
  • Managing Member at Marshall Dennehey
    A. M.
    Managing Member
    Mobile Phone
  • Partner at Marshall Dennehey
    A. N.
    Partner
    Mobile Phone
  • Partner at Marshall Dennehey
    B. B.
    Partner
    Mobile Phone

Marshall Dennehey Employee Metrics

100%
50%
0%
2026
2025
  • Legal
  • Administrative
  • Human Resources
  • Accounting
  • Engineering
  • Other
  • Support
  • Analytics
  • Community & Social Services
  • Information Technology

Legal is the largest department at 78% of profiles with a known department, up from 71% in July 2025, followed by Community & Social Services (10%, up from 0%) and Accounting (4%, up from 3%).

Contact profiles from Marshall Dennehey

Name
Title
Contact
Location
Last Update
  • Managing Member at Marshall Dennehey
    A. M.
    Managing Member
    Mobile Phone
    Oct 23, 2024
  • Partner at Marshall Dennehey
    A. N.
    Partner
    Mobile Phone
    Oct 16, 2024
  • Partner at Marshall Dennehey
    B. B.
    Partner
    Mobile Phone
    Oct 23, 2024
  • Founder at Marshall Dennehey
    C. L.
    Founder
    Mobile Phone
    Oct 23, 2024
  • Partner at Marshall Dennehey
    C. S.
    Partner
    Mobile Phone
    Oct 21, 2024
  • Partner at Marshall Dennehey
    D. I.
    Partner
    Mobile Phone
    Oct 22, 2024
  • Partner at Marshall Dennehey
    D. N.
    Partner
    Mobile Phone
    Oct 17, 2024
  • Chairman at Marshall Dennehey
    E. Z.
    Chairman
    Mobile Phone
    Jun 01, 2026
  • President at Marshall Dennehey
    G. W.
    President
    Mobile Phone
    Oct 23, 2024
  • Partner at Marshall Dennehey
    I. A.
    Partner
    Mobile Phone
    Oct 16, 2024

Frequently Asked Questions

What are the largest departments at Marshall Dennehey?

Minus sign iconPlus sign iconLegal is the largest department at 78% of profiles with a known department, up from 71% in July 2025, followed by Community & Social Services (10%, up from 0%) and Accounting (4%, up from 3%). Marshall Dennehey's workforce spans 20 departments.

How has Marshall Dennehey's workforce changed over the past year?

Minus sign iconPlus sign iconMarshall Dennehey's workforce held steady between July 2025 and July 2026. Legal's share of profiles with a known department rose from 71% to 78%.

How many employees does Marshall Dennehey have currently?

Minus sign iconPlus sign iconMarshall Dennehey has approximately 1.3K employees as of October 2026. These team members are located across 4 continents, including North America, Asia and Africa.

Who are Marshall Dennehey's key employees and leadership?

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As of October 2026, Marshall Dennehey's key employees include:

  • Chief Executive Officer: J. S.
  • Chief Executive Officer And Founder: J. W.
  • President: G. W.
  • President: S. C.
  • Founder: C. L.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

What is Marshall Dennehey's most common email format?

Minus sign iconPlus sign iconMarshall Dennehey employees' email format typically follows the pattern of First.Last@marshalldennehey.com. Trying to find reliable and up-to-date employee contact data? Find more Marshall Dennehey email formats with LeadIQ.

What is Marshall Dennehey known for?

Minus sign iconPlus sign iconMarshall Dennehey was founded in 1962 and operates in the Law Practice industry. You can contact Marshall Dennehey's main corporate office by phone at
+1-215-575-****
. Explore Marshall Dennehey's company overview page for more information.

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