JM
JM

Jonathan Marston

7 Years of Experience
Boston, MA
Broker

Jonathan Marston is a registered investment advisor at Flagship Harbor Advisors, LLC, based in Boston, MA, with 7 years of industry experience. Jonathan operates on a fee-only basis, meaning they do not earn commissions from product sales. Their practice areas include Estate Planning, Financial Planning & Coaching, Insurance Planning, Investment Management, and 2 more. Their firm serves 7,373 clients with $3.4B in assets under management.

Compensation
Fee-Only (% of Portfolio)Fixed/Hourly
Firm Size
62 advisors
Number of Clients
7,373 clients
Average Client Portfolio
$464K average
Assets Under Management
$3.4B

Fee Structure

Planning is included in investment management (also available separately)

Flagship Harbor Advisors charges an annual fee based on a percentage of the market value of your investments. This fee generally ranges from 0.25% to 2.0%. The exact fee depends on factors like the representative assigned to your account, the amount you invest, and the complexity of your situation. Clients can choose to have fees deducted from their accounts or billed directly.

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Location

346 Commercial Street, Boston, MA, 02109

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History

Regulatory History
Clean regulatory record

No disclosures, customer disputes, or regulatory actions on file.

Disclosures include customer complaints, regulatory actions, and other events that advisors must report to the SEC. A clean record means none have been reported.

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Employment History
Current Registrations
Flagship Harbor Advisors, LLC
January 2026 - Present · 8 mos
LPL Financial LLCBroker
March 2025 - Present · 1 yr 6 mos
Previous Registrations
National Financial Services LLCBroker
June 2022 - January 2025 · 2 yrs 7 mos
Cantella & CO., INC.Broker
February 2018 - May 2022 · 4 yrs 3 mos
State Registrations1 state
MA
AdvisorBrokerBoth

You can work with an advisor not registered in your state. Most advisors can legally serve a small number of clients across state lines without registering.

Exams
No exam information available for this advisor.
Jonathan Marston - Financial Advisor | TrueAdvisor