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Marlin George Gillespie

Advisor at LPL Financial — Amityville, NY 01 Merrick Rd

Updated today

Credentials

Series 63

Experience

11 years

Location

Amityville, NY 11701

LPL Financial logo

LPL Financial

Institution

Total advisors

22,678

Across 10,430 offices

Clients per advisor

87 Typical

Avg AUM per client

$399,489 Typical

HNW client ratio

34% Very High

About

Marlin Gillespie is a financial advisor with LPL Financial in Amityville, NY, holding a Series 63 designation and 11 years of industry experience. He has been with LPL Financial since 2016 and previously worked at Flagstar Bank from 2016 to 2019. LPL Financial is an SEC-registered investment adviser and broker-dealer serving individuals, retirement plans, banks, corporations, and charitable organizations through a national network of investment adviser representatives. The firm offers a range of advisory programs, financial planning, and retirement consulting, utilizing model portfolios, third-party research, and advanced technologies to support diversified investment strategies.

Client services

Based on LPL Financial

Financial planning Portfolio management Educational seminars or workshops
Consulting and other non-discretionary advisory services

Expertise

Based on LPL Financial

College savings (529s, UTMA, etc.)

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Fee options

Fixed

Flat fees negotiated between IAR and client for financial planning and consulting services.

Commissions

Commissions and trail fees on brokerage product sales and for insurance products sold by IARs.

Project-based

Hourly fees up to $500 per hour for financial planning and consulting services.

Other

Fee-only: Negotiated flat or hourly fees ranging from $0 to $15,000 or up to $500 per hour for financial planning and consulting services.

Location

See office

Amityville, NY 01 Merrick Rd

111 01 Merrick Rd

Amityville NY 11701

Advisors at this office

1

Most active in

New York

Work history

11 years of industry experience

LPL Financial, LLC

2016 - Present • 10 years

Amityville, NY

Flagstar bank

2016 - 2019 • 3 years

Amityville, NY

Disclosures

Exclamation point means they have disclosures of this type. Check mark means no disclosures of this type were found.

Business activities & affiliations

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Paul B

Series 63, Series 65, Series 66

Melville, NY

BIGGIN, INC.

Paul Biggin is the sole advisor at BIGGIN, INC., an independent firm based in Melville, NY. He holds Series 63, Series 65, and Series 66 designations and has four years of industry experience. He has been with BIGGIN, INC. since 2012. BIGGIN, INC. provides personalized investment management primarily to individual clients, including high-net-worth individuals, using both discretionary and non-discretionary portfolio management. The firm employs fundamental, technical, and cyclical analysis and utilizes a variety of strategies, including option writing, while coordinating with clients’ outside professionals as needed.

Options & derivatives strategies
user avatar

Andre M

CFP®, Series 63

Baldwin, NY

Delphin Investments

Andre Mcdonnaugh is a CFP® with 37 years of industry experience and is currently the sole advisor at Delphin Investments. He has previously worked at McDonnaugh Securities LLC and leads AIMCDONNAUGH & CO., which includes the provision of auto, home, and business insurance sales. Additionally, he owns AIM Tax Service, a business focused on income tax preparation. Delphin Investments serves primarily institutional investors and sophisticated individuals through pooled investment funds and separate-account OCIO engagements. The firm employs a proprietary asset-allocation model, combines multiple equity strategies, and offers specialized regional funds and investment technology products.

Active portfolio management Private / alternative investments Factor investing / smart beta Founder/Business Owner Executive Immigrants
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Michael R

Series 66

Melville, NY

Mountain Creek Capital, LLC

Michael Reidlinger is a financial advisor at Mountain Creek Capital, LLC with 13 years of industry experience. He has held the Series 66 designation and previously worked at Axa Advisors, LLC from 2010 to 2018 before founding Mountain Creek Capital in 2018. Mountain Creek Capital provides discretionary investment management and financial planning services to a diverse client base, including individuals, trusts, estates, pension and profit-sharing plans, charitable organizations, and business entities. The firm employs a combination of fundamental, technical, and economic analysis to tailor portfolios, incorporating equities, bonds, mutual funds, limited partnerships, and options strategies, with integrated risk management and regular account reviews.

Options & derivatives strategies Concentrated stock management
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Jonathan F

Series 63, Series 66, Series 65

Garden City, NY

Fischer Advisors LLC

Jonathan Fischer is the principal advisor at Fischer Advisors LLC with 10 years of industry experience. He previously worked at Credit Suisse and S3 Partners before founding his independent firm in 2024. Fischer Advisors LLC provides portfolio management and financial planning services primarily for individual and high-net-worth clients, utilizing a combination of long- and short-term trading strategies along with access to private placements and venture capital opportunities. The firm employs an Investment Policy Statement tailored to client objectives and risk tolerance and manages all assets on a discretionary basis.

Wealth management College savings (529s, UTMA, etc.)
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Siegfried H

Series 65

Albertson, NY

HF Advisory Services, LLC

Siegfried Huhn is the principal of HF Advisory Services, LLC, an independent advisory firm. He holds a Series 65 designation and has four years of industry experience, while operating HF Advisory Services since 1999. In addition to providing investment advice, he is a Certified Public Accountant offering tax preparation and accounting services. HF Advisory Services provides investment advisory services to individual and corporate clients, including pension plans, managing accounts on both a discretionary and non-discretionary basis. The firm employs a bottoms-up security selection process, utilizing mutual funds, fixed income securities, and individual equities, and offers clients flexibility in portfolio allocation.

Active portfolio management
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Gina G

Series 65

Dix Hills, NY

Life Planning Agency, Inc

Gina Giannou is the sole advisor at Life Planning Agency, Inc, an independent registered investment adviser. She holds a Series 65 designation and has four years of industry experience. Prior to founding her firm, she worked at Ronald Seroda CPA PC for seven years and currently owns and operates GIGL Accounting Inc., a tax preparation and bookkeeping business. Life Planning Agency, Inc provides discretionary portfolio management and securities-based investment advice to individuals, families, closely held pension and profit-sharing plans, and charitable organizations. The firm manages approximately $4 million in client assets and employs a diversified investment approach emphasizing fundamental analysis and dividend-paying companies.

Income planning College savings (529s, UTMA, etc.) Wealth management Passive / index investing
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