Market Street Trust Co.

Overview

Market Street Trust Company is a client-owned shared family office for multigenerational families. The firm reports serving more than 40 family groups with more than 40 employees and $2.5 billion in assets under management.²

The New Hampshire Banking Department lists Market Street Trust Company as a state-chartered trust company.³

History

Market Street’s heritage began in 1909 as a single-family office supporting the Houghton family, founders of Corning Incorporated.⁴

Corning Associates became Market Street Trust Company and officially became a trust company in 1987. The firm began welcoming additional families as clients with ownership stakes in 1997.⁵

Market Street established its main office in Portsmouth, New Hampshire, in 2019 and operates under New Hampshire’s trust-company framework.⁶

Timeline

1. 1909Market Street’s heritage began in 1909 as a single-family office supporting the Houghton family, founders of Corning Incorporated.
2. 1987Corning Associates became Market Street Trust Company and officially became a trust company in 1987.
3. 1997The firm began welcoming additional families as clients with ownership stakes in 1997.
4. 2019Market Street established its main office in Portsmouth, New Hampshire, in 2019 and operates under New Hampshire’s trust-company framework.

Leadership

- Kara Pass, President and CEO - Joe Aguilar, Senior Vice President and Chief Investment Officer - Bob Case, CPWA®, Vice President and Chief Client Family Services Officer - Brendan Mitchell, Vice President and Chief Fiduciary Officer⁷

Services

Market Street provides financial planning and strategy, investment management, tax compliance and planning, fiduciary and trust services, risk management, philanthropic strategy and administration, and governance and education.⁸

The firm also provides corporate trustee, executor, and custodian services. It reports serving as corporate trustee for more than 300 trusts.⁹

What the firm offers

• Investment management
• Financial planning
• Tax planning
• Trust and fiduciary
• Philanthropy
• Family governance and education
• Administration and bill pay
• Risk and insurance

Client Focus

Market Street serves multigenerational families seeking coordinated family-office support across financial, investment, fiduciary, tax, legal, business, philanthropic, and governance matters. Its shared family office is designed for families seeking the features of a single-family office without the administrative burden of establishing one.¹⁰

Approach

Market Street describes its model as entirely client-owned and says it is not profit-seeking, with families holding a stake in the company and its future.¹¹

The firm uses a team-based, fully integrated family-office model supported by secure technology and specialists in investment, financial, tax, legal, and business matters.¹²

Assets and Minimums

Market Street reports $2.5 billion in assets under management and service to more than 40 family groups.¹³

FAQs

Related resources

• LocationMultifamily offices in Portsmouth

  This Portsmouth-focused directory helps you see how shared family offices serve families and business owners in the region. Use it to frame questions about investment management, fiduciary work, planning, philanthropy, governance, and practical administration such as bill pay and insurance coordination.

• Network siteEstatePlanner.com

  EstatePlanner.com offers guides on wills, trusts, and estate planning that can help you prepare for discussions with a client-owned family office. Its materials may clarify which planning topics matter across generations, including fiduciary arrangements, tax considerations, charitable goals, and family decision making.

• Network siteFamilyOffices.com

  FamilyOffices.com provides resources and a community for single family offices and wealthy families. Reading its material can help you compare the responsibilities a family may keep in house with services it may seek from a shared office, including investments, reporting, education, governance, and administration.

• GuideThe annual MFO review

  The annual MFO review on MultifamilyOffices.com gives readers a way to examine themes affecting multifamily offices over time. It can support a more informed conversation about how a firm serving multigenerational families approaches investment management, fiduciary services, planning, philanthropy, risk, and family education.

• Similar firmsThe Eideard Group, LLC
  Jordan Park Trust Company LLC

  Profiles for The Eideard Group, LLC and Jordan Park Trust Company LLC offer comparison points when you are reviewing shared family office options. Consider how each firm describes its client base, planning, trust, investment, and administrative services, then use those differences to shape questions for Market Street Trust Company.

Sources

Claim or correct this profile

This profile is a factual summary written in our own words from public sources. It is for information only. It is not an endorsement, rating, ranking or recommendation, and it is not investment advice. MultiFamilyOffices.com is not affiliated with the SEC or with this firm unless stated. Form ADV figures are self-reported by the firm.