user avatar

Donald Gilbert III

Advisor at Gilbert Investment Management

Updated today
Gilbert Investment Management logo

Firm

Gilbert Investment Management

Location

Brunswick, ME 04011

Credentials

Series 63, Series 65

Industry experience

20 years

About

Donald Gilbert is a financial advisor at Gilbert Investment Management in Boston, MA, with 20 years of industry experience. He holds Series 63 and Series 65 licenses and has previously worked at Delta Global Asset Management and Delta Equity Services Corporation. Gilbert Investment Management provides personalized, fee-only investment management and financial planning services to individuals, high net worth clients, trusts, estates, charitable organizations, municipalities, and small businesses. The firm employs a core–satellite investment approach combining passive index funds and ETFs with actively managed funds, offering globally diversified portfolios and both discretionary and non-discretionary account management.

Client services

Based on Gilbert Investment Management

Portfolio management

Expertise

Based on Gilbert Investment Management

Wealth management Passive / index investing

Fee options

Percentage

$0 - $200,000: Higher percentage rate (exact rate not specified) $200,000+: 1.00% annually or less based on discretion

Other

Account minimum: $200,000 total portfolio size Minimum fee: The firm may waive minimum fees or charge lesser fees at discretion; no specific minimum fee amount stated Fee-only: Firm is strictly fee-only, no commissions or other compensation accepted

Location

14 Maine Street, Suite 109 B

Brunswick, ME 04011

Most active in

Maine · Massachusetts

Work history

Gilbert Investment Management Inc.

2018 - Present (8 years)

Delta Global Asset Management

2007 - 2017 (10 years)

Delta Equity Services Corporation

2006 - 2017 (11 years)

Disclosures

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

Business activities & affiliations

Warmer team member

Not sure where to start?

We'll help you think it through – whether you ultimately need an advisor or not.

Call (201) 292-4557

Warmer provides personalized recommendations and introductions to independent fiduciary advisors. We do not supervise advisors, manage or hold assets, guarantee performance, or provide advice about specific investments.

Each advisor listed on our site is an independent fiduciary responsible for their own advice. Warmer may receive fees from advisors for participation or referrals; these fees are paid by advisors and do not affect the fees clients pay for advisory services.

For advisor listings, we rely on sources including public filings and data provided by advisors, and we cannot guarantee that all information is current or accurate. Please review an advisor's Form ADV and do your own diligence before entering into an advisory relationship.

By using our service, you agree to Warmer's Terms of Service and Advisory Agreement and Privacy Policy. Logos provided by Logo.dev

© 2026 Warmer Holdings Inc. ("Warmer")