What departments does Spiegel & McDiarmid LLP have?

Spiegel & McDiarmid LLP has employees across 2 departments including Accounting, Legal.

What is the largest department at Spiegel & McDiarmid LLP?

The largest department at Spiegel & McDiarmid LLP is Accounting with 1 employees.

Where are Spiegel & McDiarmid LLP employees located globally?

Spiegel & McDiarmid LLP has employees across 2 continents and 2 countries including Equatorial Guinea, United States Of America.

How has Spiegel & McDiarmid LLP's team size changed over time?

Spiegel & McDiarmid LLP's team has grown from approximately 15 to 17 employees based on available data.

Spiegel & McDiarmid LLP Employee Directory

Law PracticeDistrict of Columbia, United States11-50 Employees

Spiegel & McDiarmid LLP is a law practice based in Washington, DC, that represents public sector and consumer-owned entities within critical infrastructure sectors such as energy, telecommunications, and transportation. Founded in 1967, the firm emphasizes delivering high-quality legal services at a cost that public and consumer-owned clients can afford. Its lawyers are expected to handle technically complex issues and communicate clearly with clients, expert witnesses, judges, and others, while applying a broad perspective to problem solving.

The firm has earned recognition for its work, including being named a Top Ranked Law Firm by Martindale-Hubbell, a designation reflecting the AV ratings of its attorneys, and it is listed in Chambers USA and Chambers Global. Located in the nation’s capital, Spiegel & McDiarmid positions itself as a specialist practice serving infrastructure-related public interests. More information about the firm and current career postings is available on its website.

Spiegel & McDiarmid LLP Global Highlights

North America
34

United States Of America
34

Africa
1

Equatorial Guinea
1

Spiegel & McDiarmid LLP's Leadership

A. D.
Partner
Mobile Phone
Email
L. S.
Partner
Mobile Phone
Email
L. A.
Controller
Mobile Phone
Email
C. B.
Attorney
Mobile Phone
Email
D. N.
Oficial Administrativo
Mobile Phone
Email
J. C.
Member
Mobile Phone
Email
T. L.
Texas Association Of Telecommunications
Mobile Phone
Email

Spiegel & McDiarmid LLP Employee Metrics

100%

50%

0%

2026

2025

Legal
Business
Accounting
Administrative
Analytics
Other

Contact profiles from Spiegel & McDiarmid LLP

Name

Title

Contact Info

Location

Last Update

A. D.
Partner
Mobile Phone
Email
Jun 29, 2026
L. S.
Partner
Mobile Phone
Email
Oct 23, 2024
L. A.
Controller
Mobile Phone
Email
Oct 22, 2024
C. B.
Attorney
Mobile Phone
Email
Oct 23, 2024
D. N.
Oficial Administrativo
Mobile Phone
Email
Equatorial Guinea
Feb 22, 2024
J. C.
Member
Mobile Phone
Email
Oct 17, 2024
T. L.
Texas Association Of Telecommunications
Mobile Phone
Email
Oct 16, 2024

Frequently Asked Questions

What is Spiegel & McDiarmid LLP known for?

Spiegel & McDiarmid LLP was founded in 1967 operates in the Law Practice industry; you can contact the main corporate office by phone at

+1-202-879-****

. Explore Spiegel & McDiarmid LLP's company overview page for more information.

What is Spiegel & McDiarmid LLP's most common email format?

Spiegel & McDiarmid LLP employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Spiegel & McDiarmid LLP email formats with LeadIQ.

How many employees does Spiegel & McDiarmid LLP have currently?

Spiegel & McDiarmid LLP has approximately 32 employees as of July 2026. These team members are located across 2 continents, including North AmericaAfrica.

Who are Spiegel & McDiarmid LLP's key employees and leadership?

As of July 2026, Spiegel & McDiarmid LLP's key employees include:

Partner: A. D.
Partner: L. S.
Controller: L. A.
Attorney: C. B.
Oficial Administrativo: D. N.

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Spiegel & McDiarmid LLP Employee Directory

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