Here are ten of the top active family offices from our database that are based in Maryland, along with their websites:
-
Sagamore Ventures (Baltimore)
Sagamore Ventures, formerly Plank Industries, is a privately held investment company with diversified holdings in commercial real estate, hospitality, food and beverage, and venture capital. Based in Baltimore, it serves as the family office of Kevin A. Plank, founder and CEO of Under Armour, executing the Plank family's initiatives and contributing to economic development in Baltimore City. -
Carderock Capital Management, Inc. (Montgomery County)
Carderock Capital Management is an independent fiduciary that exclusively serves clients' financial interests. Founded in 1986, the firm has drawn on decades of investment decisions across many economic cycles to tailor effective, disciplined investment programs suited to each client's specific goals. -
Pennington Partners (Bethesda)
Pennington Partners aims to elevate the lives of highly successful entrepreneurial founders and their families through a full suite of modern investment, wealth planning, and personal financial administration solutions, designed to support the complex needs of its partners. -
Family Office Research (Bethesda)
Family Office Research, founded in 2005 in Bethesda, Maryland, is a fiduciary wealth advisory firm that coordinates investment management, tax, estate, insurance, and banking needs for affluent clients, acting as a personal CFO-style family office for its client base. -
Knollwood Investment Advisory (Hunt Valley)
Knollwood Investment Advisory is a single family office based in Hunt Valley, Maryland, providing investment advisory services. Limited public information is available beyond directory listings. -
A. James and Alice B. Clark Foundation (Bethesda)
A. James and Alice B. Clark Foundation was established to invest in the communities and causes its founders cared most about. Based in Bethesda, it operated from 1987 to 2025, spending down its assets in its final decade while pursuing an investment strategy aimed at creating lasting impact. -
Hendricks Investment Holdings (Silver Spring)
Hendricks Investment Holdings, headquartered in Silver Spring, Maryland, is the private holding company for the activities and assets of entrepreneur John Hendricks, founder of Discovery Communications. -
Bilgola Capital (Potomac)
Bilgola Capital invests its committed capital in small, dynamic companies with fundamentally strong business models led by ambitious, professional management teams. It works closely with management to accelerate growth and build operating profits, providing long-term patient capital to build sustainable enterprise value. -
MRE Capital (Annapolis)
MRE Capital, formed in 2008, is the private investment company and family office of David Williams, based in Annapolis, Maryland. It aims to be a partner of choice for mid-market, privately held businesses in large, fragmented industries, and also develops and invests in office, retail, and multifamily assets throughout the Mid-Atlantic. -
Nellis Corporation (Potomac)
Nellis Corporation is a private investment company focused primarily on the acquisition, management, and development of commercial real estate across the United States, investing in single-tenant and multi-tenanted retail, office, and industrial properties. Its core holdings are located primarily in the greater Washington, D.C. metropolitan area.
For more information and listings of active family offices: