# Portfolio Management Service (PMS): What It Is and How It Works

Published: 2026-01-06
Author: Warren Team
URL: https://www.heywarren.com/blog/portfolio-management-service

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When individual stock portfolios grow large enough that mutual funds and ETFs feel too imprecise, portfolio management services offer an alternative: a professional manager running a customized, segregated portfolio directly in your name. Here's exactly what PMS means, how it works, and who it's designed for.

## What Is a Portfolio Management Service?

A portfolio management service (PMS) is a professional investment management service in which a licensed portfolio manager actively manages a client's investment portfolio, typically consisting of stocks, bonds, or other securities, held in the client's individual account.

![In PMS, client funds flow into a segregated account held in the client's name, with the manager acting under a power of attorney.](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%3EClient%20Funds%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%3EDeposited%20by%20investor%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%3ESegregated%20Account%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%3EIn%20client%26%2339%3Bs%20name%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%3EPortfolio%20Manager%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%3EActs%20via%20PoA%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%3EDirect%20Securities%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%3EHeld%20by%20client%3C%2Ftext%3E%3C%2Fsvg%3E)

*In PMS, client funds flow into a segregated account held in the client's name, with the manager acting under a power of attorney.*

Unlike mutual funds or ETFs (where you own units of a pooled fund and all investors share the same portfolio), in a PMS:

- The securities are held directly in **your own demat/brokerage account**
- The portfolio can be **customized** to your preferences, restrictions, and tax situation
- The manager has full discretionary authority to buy and sell within defined mandates
- You receive detailed, individualized reporting on your specific holdings and performance

PMS is most developed as a formal regulated product in **India** (regulated by SEBI, Securities and Exchange Board of India) and in **Hong Kong**, with similar structures called **[Separately Managed Accounts](/blog/separately-managed-accounts) (SMAs)** in the US, **Managed Discretionary Accounts (MDAs)** in Australia, and **Discretionary Portfolio Management** in the UK.

## How PMS Works

### The Account Structure

![The three types of PMS arrangements differ by how much decision-making authority the manager holds.](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%3EPMS%20Arrangements%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%3EDiscretionary%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%3EManager%20decides%20independe%E2%80%A6%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%3ENon-Discretionary%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%3EClient%20approves%20each%20trade%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%3EAdvisory%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%3EClient%20executes%20own%20trades%3C%2Ftext%3E%3C%2Fsvg%3E)

*The three types of PMS arrangements differ by how much decision-making authority the manager holds.*

Your funds are deposited in a separate brokerage and custody account in your name, not pooled with other investors. The portfolio manager receives a power of attorney (PoA) or discretionary authority to execute transactions.

When the manager buys 500 shares of a company for the strategy, those shares appear directly in your account, not in a pooled fund that then issues you units.

### Discretionary vs. Non-Discretionary

**Discretionary PMS**: The portfolio manager makes investment decisions independently within an agreed mandate, without seeking approval for individual trades. Most PMS arrangements are discretionary.

**Non-discretionary PMS**: The manager recommends trades, but the client must approve each transaction. More involvement required; less common.

**Advisory PMS**: The manager provides advice, but execution is entirely the client's responsibility. Essentially, fee-based investment advice rather than active management.

### Minimum Investment

PMS typically has high minimum investment requirements:

- **India (SEBI-regulated)**: Minimum INR 50 lakhs (approximately $60,000 USD)
- **US (SMAs)**: Typically $100,000–$500,000 minimum
- **UK/Europe**: Generally €100,000–€500,000
- **HNW/Family office products**: Often $1–5 million+

These minimums exist because the overhead of managing individually segregated accounts makes small accounts uneconomical.

## PMS Fee Structures

PMS fees are typically higher than mutual funds due to the individualized management:

### Fixed Fee Model

A flat annual percentage of assets under management, regardless of performance:
- Typically 1.5–3% per year of AUM
- Simple, predictable cost
- Manager has no incentive to take excessive risk for performance

### Performance Fee Model

A lower fixed management fee plus a performance fee charged above a benchmark or [hurdle rate](/blog/hurdle-rate):
- **Fixed fee**: 0.5–1.5% of AUM
- **Performance fee**: 10–25% of returns above a high-water mark or benchmark (e.g., Nifty 50 total return)

**High-water mark**: The performance fee is only charged on new profits above the previous peak value, protecting clients from paying performance fees twice on the same gains after a drawdown.

### Hybrid Model

Most common: fixed management fee + performance fee above hurdle

## PMS vs. Mutual Funds vs. ETFs

| Feature | PMS | Mutual Fund | ETF |
|---|---|---|---|
| Ownership | Direct securities in client account | Units of pooled fund | Units of pooled fund (exchange-traded) |
| Customization | High, individual portfolio | None | None |
| Minimum investment | High ($50K–$500K+) | Very low ($500–$1,000) | Price of one share |
| Transparency | Full, see every holding | Holdings disclosed periodically | Daily holdings disclosure |
| Tax efficiency | High, manager controls timing | Lower, fund-level trades affect all | Generally high |
| Performance fee | Often included | Rare in traditional funds | Very rare |
| Annual costs | 1–3%+ | 0.5–2% | 0.03–1% |
| Liquidity | Generally daily (depends on holdings) | Daily (for open-end) | Intraday |
| Regulatory overhead | Higher | Shared across investors | Shared across investors |

## Tax Advantages of PMS

A significant advantage of direct ownership through PMS vs. mutual funds:

**Tax-loss harvesting**: The manager can sell securities at a loss specifically in your account to offset gains, even if the overall strategy doesn't call for selling that position. This is impossible in a mutual fund where you own units, not individual securities.

**Tax-lot optimization**: When selling, the manager can specify which lots (shares) to sell, choosing higher-cost lots to minimize capital gains. In a pooled fund, you can't control which underlying shares are sold.

**No embedded capital gains**: When you invest in a mutual fund, you inherit the fund's embedded gains from other investors' earlier investments, you might pay capital gains tax on gains that accrued before you arrived. With direct ownership, your cost basis is always your actual purchase price.

## Who Uses PMS?

**High-net-worth individuals**: Investors with portfolios large enough to justify the minimums and fees, typically $250,000+ in liquid investable assets.

**Investors with specific needs**: Tax situations, ESG preferences, restrictions (can't own certain sectors due to employment), concentrated stock positions to manage around.

**Investors wanting direct ownership**: Some investors prefer the psychological clarity of owning specific companies rather than fund units.

**Indian wealth management context**: PMS is extremely common in India as an aspirational product for investors who have "graduated" from mutual funds and want active equity management.

## Choosing a PMS Manager

Key evaluation criteria:

**Track record**: Audited performance history vs. relevant benchmark, ideally over a full market cycle (5–10 years). Request GIPS-compliant (or equivalent) performance records.

**Investment philosophy**: Consistent, clearly articulated approach, do they follow a value, growth, quality, or multi-factor strategy? Is the strategy truly implemented as described?

**Portfolio concentration**: How many stocks does the portfolio typically hold? Concentrated portfolios (15–25 stocks) have higher tracking error vs. the benchmark; more diversified (50+) are more benchmark-like.

**Turnover**: High turnover increases transaction costs and tax drag.

**AUM and team stability**: Is the fund growing rapidly (potentially diluting the edge)? Has the key person risk been managed with a team structure?

**Fee transparency**: Are all fees disclosed clearly? Are performance fees reasonable and do they include high-water marks?

## Risks of PMS

**Manager risk**: Your portfolio's performance depends entirely on one manager's decisions. Unlike index funds, you're making a concentrated bet on a specific investment philosophy and person.

![PMS annual fees average 2% or more versus under 1% for most ETFs, requiring significant outperformance to justify.](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%3EPMS%20%28typical%29%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%252.5%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%3EETF%20%28typical%29%3C%2Ftext%3E%3Crect%20x%3D%22240%22%20y%3D%22120%22%20width%3D%2290%22%20height%3D%2255%22%20rx%3D%226%22%20fill%3D%22%237c3aed%22%2F%3E%3Ctext%20x%3D%22342%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)

*PMS annual fees average 2% or more versus under 1% for most ETFs, requiring significant outperformance to justify.*

**Concentration risk**: Many PMS strategies run concentrated portfolios with high active share, performance can diverge significantly from the benchmark, both positively and negatively.

**Fee drag**: Annual fees of 2–3% + performance fees compound significantly over time, requiring substantial outperformance to justify costs vs. a passive index ETF.

**Liquidity**: While the underlying securities may be liquid, some PMS agreements have notice periods for withdrawals (30–90 days) that limit flexibility.

## Authoritative Sources

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

- [SEC, Securities and Exchange Commission](https://www.sec.gov/)
- [FINRA](https://www.finra.org/)

## Conclusion

Portfolio management services provide individualized professional investment management with the tax efficiency and transparency of direct ownership, at a significant cost premium over pooled vehicles. For investors who've exhausted the capacity of mutual funds and ETFs to meet their specific needs (tax, customization, reporting), PMS fills an important role. The key is rigorous manager selection and an honest assessment of whether the fees can be justified by genuine after-fee alpha.

For related wealth management topics, see our guides on [ETFs vs. index funds](/blog/etfs-vs-index-funds), [retiring early and financial independence](/blog/retire-early-financial-independence), and [guaranteed investment funds](/blog/guaranteed-investment-fund).

Warren at [heywarren.com](https://heywarren.com) provides AI-powered portfolio management insights to help high-net-worth investors evaluate their options and make better allocation decisions.

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## Related Reading

**More from Warren**:
- [Guaranteed Investment Fund (GIF): How It Works, Benefits, and Risks](/blog/guaranteed-investment-fund)
- [Special Drawing Rights (SDRs): What They Are and How the IMF's Reserve Asset Works](/blog/sdrs-definition)
- [Mutual Exclusivity in Finance: Meaning, Capital Budgeting, and Decision Framework](/blog/mutual-exclusivity)

**Authoritative sources**:
- [SEC Investor.gov, Investing Basics](https://www.investor.gov/introduction-investing/investing-basics)
- [FINRA, Investor Education](https://www.finra.org/investors)
- [Federal Reserve, Economic Research](https://www.federalreserve.gov/econres.htm)
