Company History and Directions

Woman Owned Small Business

ToxServices LLC is a woman owned and operated small business focused on toxicological and risk assessment consultancy. The company was founded in 2003 by Dr. Margaret H. Whittaker, who now operates as ToxServices' Managing Director and Chief Toxicologist. Since its inception, the Washington, D.C.-headquartered company has grown in size and expertise, with offices in Washington, D.C. and Ann Arbor, Michigan as well as professionals located across North America and the United Kingdom.

Clients located across the U.S., Europe, and Asia.

Mission Statement

To benefit our clients by resolving complex human health and environmental issues through the application of sound science, risk assessment and the principles of environmental sustainability and to continue to evolve and expand services as environmental and human health needs require.


Centrally located in Washington, D.C. on Dupont Circle, and Ann Arbor, Michigan

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Corporate Headquarters
1367 Connecticut Avenue NW,
Suite 300
Washington, DC 20036
Telephone: 202-429-8787
Fax: 202-429-8788

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