Market Street Trust Company

Market Street Trust Company is a client-owned, industry-leading, shared family office dedicated to helping multigenerational families realize their long-term goals. Our headquarters and trust situs reside in Portsmouth, NH. Our heritage began in 1909 as a single-family office supporting the needs of the Houghton family, the founders of Corning Incorporated, in Corning, NY. By prioritizing people and leaning into innovation, we have evolved into a shared family office, setting a new standard for partnering with families. Market Street provides integrated wealth management services to approximately 45 family groups. Our services include financial planning and strategy, investment management, tax and compliance planning, risk and compliance management, philanthropic strategy and administration, and governance and education.