Investments in France: real costs, PFU, and choosing a broker

Regular ETF contributions are a solid strategy for a long horizon. But your final return depends not only on picking the “right index,” it’s driven by total costs, the tax regime, and execution quality. Below is how to set up a French-style DCA plan, which expenses to count, how PFU and PEA taxation differ, how to choose a broker, and how to build a portfolio without unnecessary complexity.

Where to start: goal, horizon, and DCA as a process

First, define your goal (wealth building, retirement, a child’s account), your horizon (5–10+ years), and the monthly contribution you can maintain.

DCA (regular purchases) spreads entry risk over time and reduces the impact of big headlines on your decisions. In a rising market you give up part of the benefit of a perfectly timed “buy at the bottom,” but you gain discipline and predictability.

The price of investing

Think in terms of TCO (total cost of ownership)—the honest sum of all expenses over the life of your investments.

• The fund’s TER is already baked into the unit price—but that’s just the tip of the iceberg.
• Market frictions: bid/ask spreads and slippage, especially outside liquid hours.
• Broker fees: order/auto-plan fees, exchange fees; terms vary widely by provider.
• Taxes on dividends — if you are outside a PEA (see PFU and PEA below).

Bottom line: compare not marketing slogans, but TER + spread + broker fees + taxes for your actual contribution size and frequency.

Taxes: PFU and the role of IFU in your tax return

The baseline in France is PFU (flat tax) 30%: 12.8% income tax + 17.2% social contributions.

It applies to dividends and capital gains outside preferential accounts. When filing your annual return, you can opt for the progressive scale if it’s better for your situation.

To keep reporting from turning into a quest, rely on the IFU (Imprimé Fiscal Unique)—your broker’s annual consolidated statement of payments and transactions. The IFU saves time and reduces the risk of errors in your tax return.

What is the PEA?

PEA (Plan d’épargne en actions) is a tax-advantaged investment account (equity savings plan) for investing in European equities. After 5 years, capital gains are exempt from income tax (social contributions still apply).

A nuance is asset eligibility: many “global” ETFs are not PEA-eligible. Look for the PEA-éligible label from the issuer/broker.

If you plan to invest for the long term, a PEA significantly reduces the tax burden. If you want the broadest possible global exposure, part of the portfolio will remain outside the PEA—and here PFU and TCO matter again.

How to choose a broker?

Make a short checklist and run 2–3 candidates through it.

1. Execution costs: fee for automatic purchases, minimum contribution, exchange fees, selling conditions.
2. ETF shelf: whether the indices you need are available and whether PEA support matters to you.
3. Reporting: availability of IFU, export formats, quality of the annual statement.
4. Execution & UX: clearing times, funding methods, pause/change plan in 1–2 clicks, quality of support.
5. Auto-invest in PEA: not every provider offers the same auto-invest functionality inside a PEA. Terms and fees differ—check in advance.

Example brokers

• Boursorama (a traditional bank-broker with PEA)
• DEGIRO (low transaction costs, a broad ETF shelf, some in a Core Selection)
• Trade Republic (low entry threshold, auto-invest with small contributions)

Always double-check current pricing.

Trade execution: when to buy and how to reduce spreads

Auto-plans often execute in preset windows. If you buy manually, choose liquid hours on the primary venue and avoid “thin” market periods—this reduces spreads and slippage.

For occasional large buys, a limit order near theoretical value is sensible. For small, regular contributions, a market buy during liquid hours is usually sufficient.

How to build a portfolio

Don’t overcomplicate it. For most long-term goals, one of two setups is enough:

• “One core ETF” (minimal effort): a broad index (MSCI World/ACWI or a PEA-eligible European equivalent). Contribution—monthly; rebalance every 6–12 months or at ~±5 pp drift.
• “Core–Satellite” (a bit more flexibility): a broad index at the core; satellites with modest weights in Europe/EM/factors/sectors. Contribution monthly/quarterly with costs in mind; rebalance quarterly/semiannually.

The key is to set rebalancing rules in advance and stick to them rather than to the news cycle.

Bottom line

A workable investing plan in France isn’t a zero-fee ad—it’s managing total costs, making an informed choice about tax advantages, and executing carefully.

Define your goal, calculate TCO, decide PFU vs PEA, choose a broker by criteria not by brand, and follow simple rebalancing rules. That’s how regular ETF contributions stay simple and predictable.

To earn returns with minimal risk, take advantage of Hexn’s fixed-income deposits with up to 20% APY.