# Discretionary Fund Management: Complete Guide for HNW

Published: 2026-04-19
Author: Warren Team
URL: https://www.heywarren.com/blog/discretionary-fund-management

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When you sign a discretionary fund management agreement, you hand your portfolio manager the legal authority to buy and sell securities in your account without calling you first. That single signature is a profound act of trust. It frees you from daily market decisions, but it also shifts enormous responsibility onto the manager you have chosen.

Most clients walk into this arrangement without grasping the difference between discretionary and advisory accounts. They sign the paperwork, glance at the fee schedule, and assume their adviser will simply "handle things." Months later they discover they are paying discretionary fees for a service that still requires their approval, or worse, they wanted to be consulted and now feel locked out of their own portfolio.

This guide will walk you through exactly how discretionary fund management works, how it differs from advisory and robo-advisor models, what fees to expect, the regulatory protections you have, and how to choose a provider without falling into the common traps. By the end, you will know whether DFM is the right fit for your wealth, and how to vet a manager who genuinely earns your trust.

Warren, your AI financial advisor, brings together CFP-grade analysis with conflict-free guidance to help you evaluate complex wealth structures like DFM mandates without the sales pressure that often clouds these decisions.

## What Is Discretionary Fund Management?

Discretionary fund management is an investment arrangement where a professional portfolio manager has full authority to make buy and sell decisions inside your account without seeking your approval for each [transaction](/blog/what-is-a-transactions). The mandate is governed by an [investment policy statement](/blog/investment-policy-statement) (IPS), which sets the rules the manager must follow.

The manager still owes you a fiduciary duty. They cannot trade recklessly or pursue strategies outside the IPS, but they can act on market conditions in real time. If they spot an opportunity at 9:31 a.m. they execute it, they do not spend the next two hours trying to reach you.

### The Role of the Investment Policy Statement

The IPS is the governance document that constrains the manager's discretion. It specifies your risk tolerance, return objectives, asset allocation ranges, liquidity needs, tax considerations, and any holdings you want excluded, for example, tobacco stocks or your former employer's shares. A good IPS is reviewed at least annually.

### Limited Power of Attorney

To execute trades on your behalf, the manager holds a limited power of attorney over the account. This is "limited" because it covers investment decisions only. The manager cannot withdraw funds to their own pocket, change beneficiaries, or move assets outside the custodian relationship.

## Discretionary Fund Management vs Advisory

The simplest way to grasp the difference: a discretionary manager acts, while an advisory manager recommends. Under DFM, the portfolio manager trades first and reports later. Under a non-discretionary or advisory account, the adviser proposes a trade and you must approve it before anything happens.

![Discretionary fund management typically costs 1%–1.5% AUM versus advisory flat/hourly fees, reflecting the ongoing active management included.](data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20800%20210%22%20width%3D%22800%22%20height%3D%22210%22%20role%3D%22img%22%3E%3Ctitle%3EComparison%3C%2Ftitle%3E%3Crect%20width%3D%22100%25%22%20height%3D%22100%25%22%20fill%3D%22%23f8fafc%22%2F%3E%3Ctext%20x%3D%22230%22%20y%3D%2257.5%22%20text-anchor%3D%22end%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2214%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3EDFM%3C%2Ftext%3E%3Crect%20x%3D%22240%22%20y%3D%2225%22%20width%3D%22450%22%20height%3D%2255%22%20rx%3D%226%22%20fill%3D%22%232563eb%22%2F%3E%3Ctext%20x%3D%22702%22%20y%3D%2257.5%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2214%22%20font-weight%3D%22700%22%20fill%3D%22%232563eb%22%3E%251.25%3C%2Ftext%3E%3Ctext%20x%3D%22230%22%20y%3D%22152.5%22%20text-anchor%3D%22end%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2214%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3EAdvisory%3C%2Ftext%3E%3Crect%20x%3D%22240%22%20y%3D%22120%22%20width%3D%22180%22%20height%3D%2255%22%20rx%3D%226%22%20fill%3D%22%237c3aed%22%2F%3E%3Ctext%20x%3D%22432%22%20y%3D%22152.5%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2214%22%20font-weight%3D%22700%22%20fill%3D%22%237c3aed%22%3E%250.5%3C%2Ftext%3E%3C%2Fsvg%3E)

*Discretionary fund management typically costs 1%–1.5% AUM versus advisory flat/hourly fees, reflecting the ongoing active management included.*

This distinction shapes everything, response time, cost, paperwork, and the type of client each model suits.

### Decision Authority and Response Time

Discretionary mandates allow the manager to react to market events in seconds. Advisory accounts often introduce delays of hours or days while clients review proposals. In volatile markets, that lag can cost real money, or save it, depending on the call.

### Cost and Client Profile

DFM typically costs more because you are paying for ongoing portfolio management, not just advice. Advisory accounts suit hands-on investors who want the final say. DFM suits high-net-worth clients who want institutional-quality management without making every call themselves.

## Discretionary Fund Management vs Robo-Advisor

Robo-advisors are also legally discretionary, the algorithm rebalances your portfolio without asking. The difference is not the legal framing but the service model. A robo-advisor uses pre-built model portfolios, minimal human contact, and fees in the 0.25%–0.50% range. A traditional DFM offers human portfolio managers, bespoke strategies, and direct access for high-touch clients.

For a $50,000 portfolio, a robo-advisor is often the better economic choice. For a $5 million portfolio with trust structures, concentrated stock positions, and tax-loss harvesting needs, a human DFM relationship usually delivers more value.

## How Discretionary Mandates Are Structured

A DFM mandate has three structural pillars: the legal authority granted to the manager, the governance document that constrains them, and the portfolio architecture that delivers the strategy. Together these form the operating system of your account.

![Under a discretionary mandate, the manager executes trades directly with the custodian, no client approval required at each step.](data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20875%20125%22%20width%3D%22875%22%20height%3D%22125%22%20role%3D%22img%22%3E%3Ctitle%3EFlow%20diagram%3C%2Ftitle%3E%3Crect%20width%3D%22100%25%22%20height%3D%22100%25%22%20fill%3D%22%23f8fafc%22%2F%3E%3Crect%20x%3D%2230%22%20y%3D%2225%22%20width%3D%22170%22%20height%3D%2275%22%20rx%3D%2210%22%20fill%3D%22white%22%20stroke%3D%22%232563eb%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22115%22%20y%3D%2258.5%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2214%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3EIPS%20Governs%3C%2Ftext%3E%3Ctext%20x%3D%22115%22%20y%3D%2278.5%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2211%22%20fill%3D%22%2364748b%22%3Estrategy%20%26amp%3B%20limits%3C%2Ftext%3E%3Cline%20x1%3D%22205%22%20y1%3D%2262.5%22%20x2%3D%22237%22%20y2%3D%2262.5%22%20stroke%3D%22%2364748b%22%20stroke-width%3D%222%22%2F%3E%3Cpolygon%20points%3D%22244%2C62.5%20235%2C57.5%20235%2C67.5%22%20fill%3D%22%2364748b%22%2F%3E%3Crect%20x%3D%22245%22%20y%3D%2225%22%20width%3D%22170%22%20height%3D%2275%22%20rx%3D%2210%22%20fill%3D%22white%22%20stroke%3D%22%232563eb%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22330%22%20y%3D%2258.5%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2214%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3EManager%20Decides%3C%2Ftext%3E%3Ctext%20x%3D%22330%22%20y%3D%2278.5%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2211%22%20fill%3D%22%2364748b%22%3Eno%20client%20call%3C%2Ftext%3E%3Cline%20x1%3D%22420%22%20y1%3D%2262.5%22%20x2%3D%22452%22%20y2%3D%2262.5%22%20stroke%3D%22%2364748b%22%20stroke-width%3D%222%22%2F%3E%3Cpolygon%20points%3D%22459%2C62.5%20450%2C57.5%20450%2C67.5%22%20fill%3D%22%2364748b%22%2F%3E%3Crect%20x%3D%22460%22%20y%3D%2225%22%20width%3D%22170%22%20height%3D%2275%22%20rx%3D%2210%22%20fill%3D%22white%22%20stroke%3D%22%232563eb%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22545%22%20y%3D%2258.5%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2214%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3ECustodian%20Executes%3C%2Ftext%3E%3Ctext%20x%3D%22545%22%20y%3D%2278.5%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2211%22%20fill%3D%22%2364748b%22%3ESchwab%20%2F%20Fidelity%3C%2Ftext%3E%3Cline%20x1%3D%22635%22%20y1%3D%2262.5%22%20x2%3D%22667%22%20y2%3D%2262.5%22%20stroke%3D%22%2364748b%22%20stroke-width%3D%222%22%2F%3E%3Cpolygon%20points%3D%22674%2C62.5%20665%2C57.5%20665%2C67.5%22%20fill%3D%22%2364748b%22%2F%3E%3Crect%20x%3D%22675%22%20y%3D%2225%22%20width%3D%22170%22%20height%3D%2275%22%20rx%3D%2210%22%20fill%3D%22white%22%20stroke%3D%22%232563eb%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22760%22%20y%3D%2258.5%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2214%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3EClient%20Notified%3C%2Ftext%3E%3Ctext%20x%3D%22760%22%20y%3D%2278.5%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2211%22%20fill%3D%22%2364748b%22%3Evia%20statement%3C%2Ftext%3E%3C%2Fsvg%3E)

*Under a discretionary mandate, the manager executes trades directly with the custodian, no client approval required at each step.*

### Limited Power of Attorney and Custody

You sign a limited power of attorney, but your assets remain at an independent custodian, Charles Schwab, Fidelity, Pershing, or a private bank. The manager places trades; the custodian holds the securities. This separation protects you from manager fraud, as the manager never touches your cash directly.

### Model Portfolios vs Bespoke

Some DFM firms run all clients through standardized model portfolios. Others build a truly custom strategy for each household. Models are cheaper to operate and produce consistent results across clients. Bespoke portfolios cost more but accommodate concentrated positions, charitable giving plans, and complex tax situations.

## The Three Common DFM Models

Most DFM offerings fall into one of three structures, each with its own fee profile, customization level, and target client.

![The three common discretionary mandates differ by customization level, minimum portfolio size, and annual fee range.](data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20600%20211%22%20width%3D%22600%22%20height%3D%22211%22%20role%3D%22img%22%3E%3Ctitle%3EHierarchy%3C%2Ftitle%3E%3Crect%20width%3D%22100%25%22%20height%3D%22100%25%22%20fill%3D%22%23f8fafc%22%2F%3E%3Crect%20x%3D%22220%22%20y%3D%2220%22%20width%3D%22160%22%20height%3D%2258%22%20rx%3D%228%22%20fill%3D%22%232563eb%22%2F%3E%3Ctext%20x%3D%22300%22%20y%3D%2254%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2214%22%20font-weight%3D%22700%22%20fill%3D%22white%22%3EDFM%20Models%3C%2Ftext%3E%3Cpath%20d%3D%22M%20300%2078%20L%20300%20105.5%20L%20120%20105.5%20L%20120%20133%22%20stroke%3D%22%23cbd5e1%22%20stroke-width%3D%222%22%20fill%3D%22none%22%2F%3E%3Crect%20x%3D%2240%22%20y%3D%22133%22%20width%3D%22160%22%20height%3D%2258%22%20rx%3D%228%22%20fill%3D%22white%22%20stroke%3D%22%230891b2%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22120%22%20y%3D%22158%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2213%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3EMPS%3C%2Ftext%3E%3Ctext%20x%3D%22120%22%20y%3D%22176%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2210%22%20fill%3D%22%2364748b%22%3E%24250K%2B%20%2F%200.5%E2%80%930.75%25%3C%2Ftext%3E%3Cpath%20d%3D%22M%20300%2078%20L%20300%20105.5%20L%20300%20105.5%20L%20300%20133%22%20stroke%3D%22%23cbd5e1%22%20stroke-width%3D%222%22%20fill%3D%22none%22%2F%3E%3Crect%20x%3D%22220%22%20y%3D%22133%22%20width%3D%22160%22%20height%3D%2258%22%20rx%3D%228%22%20fill%3D%22white%22%20stroke%3D%22%230891b2%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22300%22%20y%3D%22158%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2213%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3EBespoke%3C%2Ftext%3E%3Ctext%20x%3D%22300%22%20y%3D%22176%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2210%22%20fill%3D%22%2364748b%22%3E%241M%2B%20%2F%200.75%E2%80%931.5%25%3C%2Ftext%3E%3Cpath%20d%3D%22M%20300%2078%20L%20300%20105.5%20L%20480%20105.5%20L%20480%20133%22%20stroke%3D%22%23cbd5e1%22%20stroke-width%3D%222%22%20fill%3D%22none%22%2F%3E%3Crect%20x%3D%22400%22%20y%3D%22133%22%20width%3D%22160%22%20height%3D%2258%22%20rx%3D%228%22%20fill%3D%22white%22%20stroke%3D%22%230891b2%22%20stroke-width%3D%222%22%2F%3E%3Ctext%20x%3D%22480%22%20y%3D%22158%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2213%22%20font-weight%3D%22600%22%20fill%3D%22%230f172a%22%3EUnitised%20Funds%3C%2Ftext%3E%3Ctext%20x%3D%22480%22%20y%3D%22176%22%20text-anchor%3D%22middle%22%20font-family%3D%22system-ui%2C-apple-system%2Csans-serif%22%20font-size%3D%2210%22%20fill%3D%22%2364748b%22%3EPooled%20%2F%20lowest%20cost%3C%2Ftext%3E%3C%2Fsvg%3E)

*The three common discretionary mandates differ by customization level, minimum portfolio size, and annual fee range.*

### Managed Portfolio Service (MPS)

A managed portfolio service places clients into one of several model portfolios, typically labeled by risk level, from "cautious" to "adventurous." MPS is efficient, transparent, and works well for portfolios from roughly $250,000 to $2 million. Fees usually run 0.5%–0.75% on top of underlying fund costs.

### Bespoke Portfolio

A bespoke portfolio is built from scratch for one household. Holdings, tax strategy, and asset location are all customized. Bespoke service usually requires $1 million or more and costs 0.75%–1.5% annually. The manager often meets with you quarterly and adjusts the IPS as your life changes.

### Unitised Funds

Some DFM firms package their model portfolios into unitised funds, pooled vehicles that trade like mutual funds. Clients buy units in the fund rather than holding individual securities. This lowers operational complexity but reduces tax efficiency for taxable accounts.

## Discretionary Fund Management Fees

DFM fees typically range from 0.5% to 1.5% of assets under management annually. Some firms add a performance fee on returns above a benchmark. Compare this with advisory accounts, which may charge a flat retainer, an hourly rate, or commissions per trade. Underlying fund expenses, custody fees, and trading costs sit on top of the management fee.

A 1% AUM fee on a $2 million portfolio is $20,000 a year. Compounded over twenty years, fees of that magnitude can consume a meaningful share of returns. This is why fee transparency matters more than almost any other factor when choosing a DFM provider.

### Performance Fees and Watermarks

Some discretionary managers, especially those running concentrated or alternative strategies, charge a performance fee, often 10%–20% of returns above a benchmark or [hurdle rate](/blog/hurdle-rate). A "high-water mark" provision ensures you do not pay performance fees twice on the same gains.

### What Should Be Included

Before signing, confirm whether the headline fee covers reporting, financial planning conversations, custody, trading commissions, and tax-loss harvesting. Some firms bundle everything; others itemize each line.

## Regulatory Framework

In the United States, discretionary fund managers are registered investment advisers (RIAs). They register with the SEC if they manage more than $110 million, or with state regulators below that threshold. Under the Investment Advisers Act 1940, RIAs owe a fiduciary duty, they must place client interests ahead of their own, disclose conflicts, and act with care and loyalty.

In the United Kingdom, DFM firms are authorised and regulated by the Financial Conduct Authority (FCA). They must hold appropriate permissions, maintain capital adequacy, and follow the FCA's Conduct of Business Sourcebook. Both regimes require segregated client assets, regular reporting, and complaint procedures.

## Pros and Cons of DFM

Discretionary fund management offers clear advantages for the right client, but the trade-offs are real. Understanding both sides protects you from signing up for a service that does not match your temperament or your portfolio size.

### The Pros

You save enormous time. You benefit from professional execution, tax-efficient rebalancing, and disciplined investing across market cycles. You avoid the decision paralysis that paralyzes many self-directed investors during downturns. A skilled portfolio manager can also access institutional share classes and private investments unavailable to retail clients.

### The Cons

You give up control. You must trust the manager's judgment without second-guessing every trade. Fees compound silently over decades. There is genuine manager risk, a star manager might leave, the firm might be acquired, or the strategy might underperform its benchmark for years. Roughly 80% of active managers underperform their index over a fifteen-year period.

## Who DFM Is Best For

Discretionary fund management makes the most sense for high-net-worth individuals, typically $500,000 and above, who value time more than control. Business owners, surgeons, executives, and recently widowed or divorced individuals often fit the profile. They want institutional-quality management and have complex situations that benefit from human judgment.

DFM is rarely the best choice for portfolios under $250,000, where fees consume too much of expected returns. It also fits poorly for hands-on investors who enjoy researching their own positions, or for clients with simple, single-account situations that a robo-advisor handles well.

## How to Choose a DFM Provider

The right DFM relationship can compound your wealth for decades. The wrong one can quietly drain it. Use a structured evaluation rather than relying on a referral or a polished pitch deck.

### Fee Transparency and Alignment

Ask for the all-in cost, including underlying fund expenses, custody, and any performance fees. Ask whether the firm earns commissions on proprietary products. Look for fee schedules that decline as your assets grow.

### Track Record and Due Diligence

Review at least ten years of performance net of fees, against an appropriate benchmark. Check Form ADV in the US or the FCA Register in the UK for disciplinary history. Verify ownership structure, independent firms tend to have fewer conflicts than bank-owned managers.

### Communication Cadence

Confirm how often you will receive statements, performance reports, and live conversations. A quarterly call with an annual deep review is typical for bespoke clients. MPS clients may only get an annual review.

## Common Mistakes Clients Make

Three mistakes appear repeatedly across DFM relationships. First, clients fail to review the IPS regularly. Life changes, marriage, inheritance, retirement, should trigger a fresh look at risk and objectives. Second, clients do not understand the actual mandate they signed, including which asset classes the manager can use and which they cannot. Third, clients choose a manager based on recent past performance, ignoring that strong three-year returns often precede mean reversion.

A fourth, quieter mistake is neglecting to verify that the manager's incentives align with yours. A manager paid on AUM has every reason to retain your business, but no specific incentive to recommend you take money out for a home purchase or charitable gift if that serves your life better than staying invested.

## Authoritative Sources

For deeper background and primary-source data on this topic, the following authoritative sources are useful starting points:

- [IRS](https://www.irs.gov/)
- [SEC](https://www.sec.gov/)
- [Federal Reserve](https://www.federalreserve.gov/)
- [Consumer Financial Protection Bureau](https://www.consumerfinance.gov/)

## Conclusion

Discretionary fund management is a powerful tool for high-net-worth clients who want professional, full-time portfolio oversight without making every call themselves. It is not the right fit for every investor, and the fees can compound meaningfully over decades, so the decision deserves careful analysis.

Five takeaways to carry forward:

1. DFM gives the manager authority to act without per-trade approval; the IPS governs how that authority is used.
2. The main alternatives are advisory accounts (you approve every trade) and robo-advisors (lower-cost, model-driven discretion).
3. Expect fees of 0.5%–1.5% of AUM, plus underlying fund and custody costs, and demand full transparency before signing.
4. Both US RIAs and UK FCA-authorised DFM firms operate under fiduciary or equivalent client-best-interest standards.
5. The best DFM relationships are evaluated on fee transparency, alignment, communication, and decade-long track records, not last year's returns.

As wealth structures grow more complex and AI-assisted analysis becomes standard, the discretionary fund management industry will increasingly compete on personalization, tax intelligence, and transparent technology, not just performance.

Ready to put this knowledge to work? Try Warren, your AI financial advisor, get personalized, conflict-free guidance at heywarren.com

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## Related Reading

**More from Warren**:

- [What Is a Special Warranty Deed? How It Differs from a General Warranty Deed and When It's Used](/blog/what-is-a-special-warranty-deed)
- [What Is a UHNW Individual?](/blog/uhnw-individual)
- [What Are Basis Points? The Finance Unit Explained](/blog/basis-points)
**Authoritative sources**:
- [SEC Investor.gov, Investing Basics](https://www.investor.gov/introduction-investing/investing-basics)
- [FINRA, Investor Education](https://www.finra.org/investors)