Minot DeBlois Advisors

What Minot DeBlois Advisors does

Minot DeBlois Advisors LLC (MDA) is a privately held, SEC-registered investment advisory firm headquartered in Boston, Massachusetts. Founded in 2009 as a wholly-owned subsidiary of Rice, Heard & Bigelow — a Boston firm of private trustees whose fiduciary lineage dates to 1782 and the founding of the first trust office in Boston by George Richards Minot — MDA was created to provide dedicated investment management services to the parent firm's trust and non-trust clients, and to extend those services to outside individuals and organizations. The firm manages portfolios using high-quality individual stocks for growth and fixed income securities for income and capital preservation, applied in actively and individually managed discretionary or non-discretionary accounts tailored to each client's objectives, risk tolerance, and tax considerations.

MDA's core offering is its investment advisory service, complemented by an ESG-integrated portfolio option for clients requesting Environmental, Social, and Governance principles. The firm does not act as a broker, lender, investment bank, or underwriter of securities, and does not sell proprietary investment products — a structural choice that aligns its revenue entirely with client advisory relationships. Revenue is generated through recurring advisory fees charged on managed assets. The 7-person team includes CFA charterholders, attorneys with JD and LLM credentials, a CFP and IRS Enrolled Agent, and a doctorate-level portfolio manager, combining investment management with estate planning and tax expertise — a profile uncommon at this scale.

MDA serves three primary client segments: trust and fiduciary clients of Rice, Heard & Bigelow; high-net-worth individuals and families seeking personal investment management outside of a trust structure; and institutional investors including charitable foundations and endowments. The go-to-market is relationship-driven and referral-based, anchored by the parent company's reputation, the firm's own professional advisor network ties (e.g., Boston Estate Planning Council, Boston Foundation Professional Advisors Council), and ongoing thought leadership through continuing legal education and bar association lectures. The firm serves clients regionally in the Northeast US, with no disclosed digital marketing, broker-dealer distribution, or proprietary technology platform.

Name

Minot DeBlois Advisors

Legal name

Minot DeBlois Advisors LLC

Website

https://minotdeblois.com

Company type

Private

Founded year

2009

Operating status

Operating

Headcount range

1–10 employees

Short description

Minot DeBlois Advisors is a Boston-based SEC-registered investment advisory firm and wholly-owned subsidiary of Rice, Heard & Bigelow, providing discretionary and non-discretionary portfolio management — including an ESG option — to HNW individuals, trust clients, and institutional investors through relationship-driven, fiduciary advisory mandates.

Ownership category

akta.pro rank

Product category

Wealth and Investment Advisory Services

NAICS

Portfolio Management and Investment Advice (523940), Trusts, Estates, and Agency Accounts (525920), Trust, Fiduciary, and Custody Activities (523991)

SIC

Investment Advice (6282)

akta.pro primary industry

Discretionary Portfolio Management (Retail) (FSAAAAAH)

akta.pro secondary industry

Advisory Portfolio Management (Non-Discretionary) (FSAAABAD)

Keywords

• Investment advisory services
• Fiduciary portfolio management
• Wealth management advisory
• ESG investment portfolios
• Trust asset management

Headquarters

HQ city

Boston

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Investment Advisory Fees: Minot DeBlois Advisors generates revenue through investment advisory fees charged to clients for portfolio management services. The firm is registered with the SEC as an investment advisory firm and provides dedicated investment advisory services. MDA does not operate as a broker, lending institution, or investment bank, and does not underwrite securities or sell proprietary investment products, aligning its revenue solely with client advisory relationships.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Minot DeBlois Advisors provides SEC-registered investment advisory services for trust and non-trust assets, building individually managed portfolios of high-quality individual stocks and fixed income securities. Accounts can be discretionary or non-discretionary based on client preference, with ESG-integrated portfolio construction available for clients who request it. The firm operates on a fiduciary basis with no brokerage, lending, or proprietary product sales, and serves trust clients, high-net-worth individuals, and select institutional investors.

Product overview

Minot DeBlois Advisors offers a unified investment advisory service platform focused on personalized, fiduciary-style investment management. The core offering is investment advisory services for trust and non-trust assets, with discretionary and non-discretionary portfolio management options. The firm provides a specialized ESG investing module for clients seeking Environmental, Social & Governance principles in their portfolios. All services are delivered through direct human advisory relationships, with no proprietary products, brokerage, or lending services.

Differentiator

Problem solved

Functional benefit

Products and services

• Investment Advisory Services
• ESG Investment Portfolios

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• Rice, Heard & BigelowcoreOthers · 1 January 2009Rice, Heard & Bigelow is a firm of private trustees and the sole parent company of Minot DeBlois Advisors. MDA was formed in 2009 as a wholly-owned subsidiary to provide dedicated investment advisory services to trust and non-trust assets of Rice, Heard & Bigelow's clients. The parent firm's over 225-year history and fiduciary reputation underpin MDA's brand and client acquisition. MDA's team members (including CEO Zach Bourque, President Greg Gullickson, Adam Rutledge, Robert Bannish, Kevin McQuaid, Sarah Allen, and Greg Murphy) are employees, shareholders, and directors of Rice, Heard & Bigelow.

Scale indicators2 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• Rockefeller Capital Management: Rockefeller Capital Management is a large HNW-focused wealth, investment, and family office platform — broader and more diversified than MDA but addressing the same HNW/trust/fiduciary client base with discretionary portfolio management and integrated wealth planning.
• Wilmington Trust: Wilmington Trust is a large wealth advisory and institutional services firm offering investment management, trust, and estate services to HNW families — broader than MDA but directly overlapping on fiduciary-managed portfolios and trust-account administration.
• Brown Brothers Harriman: Brown Brothers Harriman is a 200-year-old private partnership providing investment management, private banking, and trust services through a multi-strategy, multi-platform offering — broader than MDA but overlapping on HNW trust, estate, and bespoke portfolio management.

Direct peers

• Glenmede: Glenmede is an independent, privately held investment and wealth advisory firm serving HNW families, foundations, and endowments with discretionary portfolio management and trust services — competing in the same fiduciary-centric, conflict-free-advisor niche as MDA.
• Bessemer Trust: Bessemer Trust is a leading private wealth and investment management firm focused exclusively on HNW individuals, families, and foundations — with deep fiduciary, trust, and estate capabilities closely mirroring MDA's integrated trust+investment proposition.
• Fiduciary Trust Company: Fiduciary Trust Company provides discretionary and non-discretionary investment management, trust, and estate services to HNW individuals and institutions; its Boston presence, fiduciary heritage, and trust+investment integration make it a near-direct comparable to MDA.
• Welch & Forbes: Welch & Forbes is a Boston-based investment counsel firm offering discretionary and non-discretionary portfolio management to HNW individuals, families, and institutions — directly comparable in size, geography, philosophy, and clientele to MDA.
• Laird Norton Wealth Advisors: Laird Norton is an independent, fee-only multi-family office and investment advisor serving HNW families and foundations with integrated investment management and wealth planning — closely aligned with MDA's conflict-free, relationship-based advisory model.
• Bournewood Investment Management: Bournewood is a Boston-area investment advisory firm serving HNW individuals, families, and institutions with active, individualized portfolio management — closely matched to MDA by geography, boutique size, and long-term active-management philosophy.

Regional players

• GW&K Investment Management: GW&K is a Boston-based investment manager serving institutional and private-wealth clients with active equity and fixed-income strategies — comparable in geography and active-management style but lacking MDA's integrated trust/fiduciary overlay.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Minot DeBlois Advisors