RIA

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Great Oak Wealth Management

Founded by John R. Sarian, Great Oak Wealth Management operates as a registered investment adviser anchored in Pottstown, Pennsylvania.

Great Oak Wealth Management

Founded by John R. Sarian, Great Oak Wealth Management operates as a registered investment adviser anchored in Pottstown, Pennsylvania. The firm serves individual investors and families, structuring portfolios that span equities, fixed income, and alternative investments within a planning-centric framework. The firm constructs multi-asset-class portfolios tailored to retirement accumulation, income generation, and legacy preservation. Equity exposure runs through individual securities and exchange-traded funds, while fixed-income allocations ladder across municipal and corporate bonds to dial in tax-aware yield. The practice layers in insurance-based solutions for estate and risk management — long-term care, life insurance, and annuities — when the planning diagnostics warrant. The geographic book is concentrated in southeastern Pennsylvania, with client relationships extending into New Jersey and Delaware. Great Oak runs a lean advisory structure common to independent RIAs in secondary metro markets — a founder-led investment committee backed by a small planning and client-service team. The firm competes for the same household pool that Edward Jones and regional banks target, differentiating on a flat-fee and AUM-based billing schedule rather than commissionable brokerage models. John Sarian carries multiple professional designations that signal planning depth beyond portfolio construction. Structurally, Great Oak represents the archetypal RIA that steps in where career wirehouses exit — an owner-operated firm that stakes its value on the fiduciary standard and personalized service. The long-range viability question is standard for boutiques of this profile: whether the firm formalizes a succession plan or eventually seeks to be acquired by a consolidator like Mercer Advisors or Mariner Wealth Advisors, a path taken by a wave of similar Pennsylvania-based practices.

General information

Firm type

RIA

Year founded

AUM

Undisclosed

Location

Region

North America

Country

United States

City

Pottstown

Corporate office

Pottstown, PA, United States

Principals

John R. Sarian

Founder, CEO, Chief Investment Officer

Frequently asked questions

Who runs investment decisions at Great Oak Wealth Management?

John R. Sarian serves as the firm's Founder, CEO, and Chief Investment Officer, per public record. He leads the investment committee and is responsible for asset allocation and portfolio construction decisions. The structure is typical of an owner-operated RIA where the principal holds both executive leadership and investment oversight roles.

How does Great Oak Wealth Management charge for its services?

The firm uses a fee-based model common to independent RIAs, charging clients a percentage of assets under management and offering flat-fee planning arrangements rather than relying on commissions. This fiduciary structure removes product-sale incentives and aligns the firm's revenue with client portfolio growth. The exact fee schedule is disclosed in the firm's Form ADV Part 2A and negotiated directly with clients.

What type of clients does Great Oak Wealth Management typically work with?

The firm primarily serves mass-affluent and high-net-worth individuals and families in southeastern Pennsylvania and the broader Tri-State area. Client profiles typically include pre-retirees, retirees, business owners, and professionals seeking integrated financial planning. The practice competes directly with regional banks and wirehouse advisors who serve similar household balance sheets.

Does Great Oak Wealth Management operate as a fiduciary?

Yes. As a registered investment adviser, Great Oak Wealth Management is bound by the fiduciary standard under the Investment Advisers Act of 1940, which requires the firm to act in clients' best interests. This distinguishes the firm from broker-dealer representatives who operate under the suitability standard. The fiduciary duty covers both investment advice and the broader financial planning relationship.

What asset classes does Great Oak Wealth Management use in client portfolios?

The firm constructs portfolios across equities, fixed income, and alternative investments, with allocations shaped by each client's planning objectives. Equity exposure is typically implemented through individual securities and ETFs, while fixed income uses municipal and corporate bonds for tax-conscious yield. Insurance-based vehicles — including annuities, long-term care policies, and life insurance — are integrated when estate and risk-management planning requires them.

Profile maintained by using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.

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