Costin Marcus PLLC Employee Directory

Law PracticeVirginia, United States2-10 Employees

Costin Marcus PLLC is a leading commercial litigation boutique in Northern Virginia—trusted by companies, business owners, and executives facing high-stakes business disputes. 

Clients turn to us when control of a business, significant money, or competitive advantage is at stake, or when a competitor, customer, employee, or business partner has violated a contract or broken the law. Many of our cases are litigated in federal and state courts across Virginia—including the “Rocket Docket” of the U.S. District Court for the Eastern District of Virginia and the Circuit Courts of Fairfax County and the City of Alexandria. We also frequently represent companies, business owners, and corporate executives in courts throughout the greater Washington, D.C. region, as well as in arbitrations and mediations nationwide.

When the stakes are high, don’t go it alone. Contact us to put one of Northern Virginia’s leading commercial litigation boutique on your side.

Costin Marcus PLLC
908 King Street, Suite 330
Alexandria, Virginia 22314
Email: contact@costinmarcus.com
Office: (703) 260-6401
Fax: (703) 439-1873

Find Costin Marcus PLLC employees' phone numbers or email addresses

Costin Marcus PLLC Global Highlights

Location
Employees

North America
5

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  • United States Of America
    5

Costin Marcus PLLC's Leadership

  • Stylized image of a person
    J. M.
    Partner
    Phone icon
  • Stylized image of a person
    E. D. M.
    Partner
    Phone icon
  • Stylized image of a person
    S. C.
    Partner
    Phone icon
  • Stylized image of a person
    K. H.
    Attorney And Counselor At Law
    Phone icon

Costin Marcus PLLC Employee Metrics

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2026
2025
  • Legal
  • Accounting
  • Administrative
  • Analytics
  • Arts & Design
  • Other

Contact profiles from Costin Marcus PLLC

Name
Title
Contact Info
Location
Last Update
  • Stylized image of a person
    J. M.
    Partner
    Phone icon
    United StatesDc
    Nov 28, 2025
  • Stylized image of a person
    E. D. M.
    Partner
    Phone icon
    United StatesVirginia
    Nov 13, 2025
  • Stylized image of a person
    S. C.
    Partner
    Phone icon
    United StatesVirginia
    Sep 09, 2025
  • Stylized image of a person
    K. H.
    Attorney And Counselor At Law
    Phone icon
    United StatesVirginia
    Sep 24, 2025

Frequently Asked Questions

What is Costin Marcus PLLC known for?

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Costin Marcus PLLC was founded in 2010 operates in the Law Practice industry. The company's main headquarters is located in 201 North Union Street Suite 230 Alexandria, Virginia United States; you can contact the main corporate office by phone at . Explore Costin Marcus PLLC's company overview page for more information.

What is Costin Marcus PLLC's most common email format?

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Costin Marcus PLLC employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Costin Marcus PLLC email formats with LeadIQ.

How many employees does Costin Marcus PLLC have currently?

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Costin Marcus PLLC has approximately 4 employees as of February 2026. These team members are located across 1 continents, including North America.

Who are Costin Marcus PLLC's key employees and leadership?

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As of February 2026, Costin Marcus PLLC's key employees include:

  • Partner: J. M.
  • Partner: E. D. M.
  • Partner: S. C.
  • Attorney And Counselor At Law: K. H.

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