Fee-only adviser · Marshfield, MA

McNamara Financial Services, Inc.

McNamara Financial Services, Inc. is a fee-only investment adviser registered with the U.S. Securities and Exchange Commission, with its main office in Marshfield, Massachusetts. On its latest Form ADV, filed February 24, 2026, it reports $798M in regulatory assets under management, 928 individual clients and 4 employees who give investment advice. It reports no commission compensation, is not registered as a broker-dealer and does not act as an insurance agent.

Key facts from Form ADV

RegistrationSEC-registered
Firm CRD number154311 · SEC file 801-71682
Office1020 Plain Street Suite 200
Marshfield, MA 02050
Phone(781) 834-2010
Websitemcnamaraofthemerrimack.com
Regulatory assets under management$798M
Individual clients630 non-high-net-worth, 298 high-net-worth
Financial planning clients1-10
How it chargesPercentage of assets, Hourly, Fixed fee
ServicesFinancial planning, Portfolio management
Employees11
Disciplinary disclosuresNone reported
Latest Form ADV filingFebruary 24, 2026

Source: the firm’s Form ADV Part 1A as published by the SEC’s Investment Adviser Public Disclosure database, data as of November 6, 2026. Figures are self-reported by the firm.

What this means for you

  • It offers hourly or fixed-fee arrangements, so you may be able to pay for a plan without handing over your investments.
  • It also charges a percentage of assets managed for ongoing investment management.
  • Most of its individual clients are not high-net-worth, so it is likely to work with people who are still building assets.
  • It provides financial planning services, not only portfolio management.
  • It reports no disciplinary history on Form ADV.

Before you hire any adviser

Read the firm’s Form ADV Part 2 brochure on its SEC record: it sets out fees, minimums, conflicts of interest and who will manage your money. Ask whether the firm acts as a fiduciary for all of your accounts, how it is paid in total, and who holds your assets. Our guide to choosing a financial adviser lists the questions to ask.

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