Welcome to Holmes Costin & Marcus


Holmes Costin & Marcus is a woman-owned law firm with offices in the city of Alexandria and in Fairfax County, Virginia. Holmes Costin & Marcus supports business people in technology and related sectors. The firm litigates in Northern Virginia state and federal courts, and handles business disputes and fiduciary litigation, including guardianship proceeedings for incapacitated adults.


The information on this website is provided for informational purposes only. Nothing contained in this web site is legal advice.You should not act on the basis of these materials. They are not a substitute for obtaining legal advice from your own lawyer. Browsing this website or contacting us through it does not create an attorney-client relationship. Communicating with Holmes Costin & Marcus, PLLC through this website via email or otherwise does not create an attorney-client relationship. Please not include details about your legal problem, or reveal any sensitive information in your message, until we have had an opportunity to determine whether we are able to discuss the matter further with you. Communications over this web site may not be secure and may not be treated as privileged or confidential.