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Mileage allowances (for companies)

Tax risk: 🔥 | Deductibility: 40% - 100%

Written by Maud WAUTHOZ

Only for professional trips (excluding home – workplace commutes)

If you are a company director and you use your personal car for professional trips (excluding home ↔ workplace commutes), you can receive a mileage allowance.

✅ What is allowed

Your company can reimburse you for professional trips, for example:

  • Visits to clients, patients or partners

  • Travel to a construction site or temporary location

  • Travel to attend a training

📌 These trips must be justified in a detailed expense report.

🚫 What is not considered professional

Home ↔ workplace commutes are considered private trips (workplace = any location you travel to at least 40 times per year).

💡 If you stop at a client's or a construction site on the way: ➡️ the entire trip is considered professional

However, if you go straight home after work, it remains a private trip

🧾 How to prepare the expense report?

For your company to reimburse you, create a detailed expense report including the following information for each professional trip (see the Excel template at the end of this article – save it as a PDF and upload it under your "expenses"):

  • 📅 Date

  • 📍 Departure and arrival locations, description of the trip

  • 🔁 Number of kilometres travelled

Include on each expense report the details of the vehicle used:

  • 🚙 The fuel type

  • 💨 The CO₂ emission rate

💶 Reimbursable amount

📆 Period

💰 Reimbursable amount

From 01/07/2023 to 30/06/2024

€0.4280 / km

From 01/07/2024 to 30/06/2025

€0.4415 / km

From 01/07/2025 to 30/06/2026

€0.4449 / km

📌 Annual cap: maximum 24,000 km per year (justified trips only)

📉 Deductibility within the company

The mileage allowance is not fully tax-deductible within your company. It is subject to a partial tax disallowance, depending on:

  • The fuel type

  • The CO₂ emission rate of the vehicle

✅ Exception: if you use an electric car, the allowance is fully deductible.

💡 What about the flat rate of €0.15/km?

This amount only applies to your personal tax return (actual expenses) and not to your company.

Important: the flat rate of €0.15/km can never be included in an expense report submitted to the company.
It only applies if you deduct your actual expenses in your personal tax return (rarely advantageous as a company director).

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