John O Connell
Advisor at Mariner — Marlborough, MA
Data sourced from SEC public records (and other sources when available). Some details may be added by the advisor after claiming their profile. Refreshed daily • Updated today.
Data sourced from SEC public records (and other sources when available). Some details may be added by the advisor after claiming their profile. Refreshed daily • Updated today.
Credentials
Series 65, Series 63
Experience Industry experience
8 years
Location
Marlborough, MA 01752
Mariner
Enterprise
Clients per advisor
55 TypicalAvg AUM per client
$2,116,909 Very HighHNW client ratio
41% Very HighJohn O Connell is a financial advisor at Mariner with eight years of industry experience. He holds Series 65 and Series 63 licenses and has previously worked at Securities America, Inc., Coin Metrics Inc, Bitooda Technologies, and AB Quarters. Mariner serves a diverse client base including individuals, pension plans, trusts, and charitable organizations through investment management, financial planning, retirement consulting, and access to pooled vehicles and third-party managers. The firm offers discretionary, customized portfolios supported by an internal team and an investment committee, with services that include tax integration, family office capabilities, and employer financial wellness tools.
Based on Mariner
Based on Mariner
Fixed fees for financial planning and consulting services, fixed fees for tax services, minimum quarterly fee $1,875
$0 - $1,000,000: 1.25% $1,000,000 - $5,000,000: 1.00% $5,000,000 - $10,000,000: 0.80% $10,000,000+: 0.60%
Commission-based compensation for insurance products and brokerage through affiliated broker-dealer MSEC LLC
Hourly rates for consulting and tax preparation services, specific rates negotiable/not specified
Account minimum: $100,000 Minimum fee: Quarterly minimum fee of $1,875
Marlborough, MA
61 Florence Street
Marlborough MA 01752
Advisors at this office
2
Massachusetts
8 years of industry experience
Mariner
2026 - Present • 1 year
Overland Park, KS
Securities America, Inc.
2020 - 2026 • 6 years
Westborough, ME
Coin Metrics Inc
2020 - 2026 • 6 years
Boston, MA
Bitooda Technologies
2018 - 2019 • 1 year
Ny, NY
AB Quarters
2014 - 2018 • 4 years
North Grafton, MA
Exclamation point means they have disclosures of this type. Check mark means no disclosures of this type were found.
Is active or affiliated with:
Insurance agent
They sell insurance products and may earn commissions on those sales.
Broker-dealer / trader
They provide brokerage services and may earn transaction-based compensation in addition to advisory fees.
Trust company
They provide trust and estate administration services, typically for separate fees.
Fund sponsor
They manage or sponsor investment funds and may earn management or performance-based fees if clients invest in them.
Accountant / CPA / tax prep
They offer tax and accounting services, typically for separate fees.
Other specialized services
They may provide services such as pension consulting or municipal advisory work, typically for separate fees.
Is not active or affiliated with:
Bank
They're affiliated with a bank that may offer its own financial products and services.
Lawyer
They provide legal services, typically billed separately.
Real estate agent
They facilitate real estate transactions and may earn commissions.
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