Glossary term

Flat Fee

A flat fee is a fixed dollar amount charged for financial advice, planning, or investment services rather than a percentage or commission.

Updated

May 20, 2026

Read time

2 min read

What Is a Flat Fee?

A flat fee is a fixed dollar amount charged for a defined financial service. A financial adviser might charge a flat fee for a financial plan, a retirement review, an annual planning relationship, or a specific project such as equity compensation analysis.

The appeal is clarity: the client knows the stated price before the work begins. The risk is scope: the client needs to know exactly what is included, what is excluded, and what triggers an additional fee.

Key Takeaways

  • A flat fee is a fixed price for a defined service or service period.
  • It can be used for one-time projects or ongoing planning relationships.
  • It separates the fee from portfolio size and product transactions.
  • The advisory agreement should define the scope, deliverables, and renewal terms.

How Flat Fees Work

A flat-fee adviser may quote a single price for a written financial plan, a set of planning meetings, or a year of ongoing advice. The fee may be paid upfront, in installments, or on a recurring schedule depending on the agreement.

Flat fees are different from AUM fees because the charge does not automatically rise when the portfolio grows. They are also different from hourly fees because the client pays for the agreed project or relationship rather than the exact number of hours spent.

Flat Fee Compared With Other Models

Fee model

How cost is set

Primary tradeoff

Flat fee

Fixed price for defined work

Clear cost, but scope must be precise.

Hourly fee

Time spent multiplied by rate

Flexible, but final cost can vary.

AUM fee

Percentage of managed assets

Scales with assets, even if work does not.

Commission

Paid through product sale or transaction

May be less visible and product-driven.

Scope Questions to Ask

The most important flat-fee question is what the fee buys. Does it include implementation help, investment management, tax coordination, estate document review, insurance analysis, or only a written plan? How many meetings are included? What happens if the client's situation changes?

A flat fee can be transparent and clean, but it still needs disclosure. Investors should review the advisory agreement, Form ADV Part 2A, and Form CRS when applicable to understand services, conflicts, and cancellation terms.

The Bottom Line

A flat fee charges a set dollar amount for defined financial advice or planning work. It can make costs easier to understand, but only if the scope, deliverables, and renewal terms are clear.

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