Main Line Retirement Advisors, LLC logo

Main Line Retirement Advisors, LLC

Updated today

Total assets under management

$448,606,506

Total clients

158

38% high-net worth

Total advisors

2

of 3 employees

Firm size

Supported

1-3 advisors or $200M+ in AUM

Average clients per advisor

79

Average account size

$2,839,282

About

Main Line Retirement Advisors, LLC (d/b/a HeartStone Advisors) serves individual investors—including many high‑net‑worth clients—and corporate retirement plan sponsors. The firm provides discretionary wealth management and comprehensive planning services alongside ERISA-focused retirement plan consulting, and manages approximately $449 million for about 158 clients.

The firm typically manages client assets on a discretionary basis and uses a mix of fundamental and technical analysis, including charting and options or short‑term trading where appropriate, to implement portfolios. It also incorporates third‑party manager allocations (including Vanguard’s third‑party services) and can manage “held‑away” accounts through a third‑party portal (Pontera) for viewing and trading authority.

Noteworthy aspects include a compact, two‑advisor structure overseeing a relatively large asset base and a formal retirement‑plan advisory practice that emphasizes fiduciary support, fee monitoring, and participant education. The firm also operates under the HeartStone Advisors d/b/a and traces its origins to an earlier Main Line financial practice, reflecting continuity in its advisory focus.

Client services

Financial planning Portfolio management Selection of other advisers

Expertise

General retirement planning Retirement income strategy Wealth management Options & derivatives strategies

Fee options

Percentage

$0 - $50,000,000: 0.20% $50,000,000 - $100,000,000: 0.18% $100,000,000 - $500,000,000: 0.15%

Project-based

Hourly charges reported in Part 1 but not specifically detailed in this brochure.

Other

Account minimum: $1,000,000

Main office location

Main Line Retirement Advisors, LLC

2 O'brien Ave

Whitefish MT 59937, United States

Number of offices

3

Most active in

Colorado · Montana · New Hampshire · New Jersey · New York · Pennsylvania · Texas

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")