Combining a mobility budget with other benefits: what's allowed and what isn't

Employees don't compare their benefits in isolation, but as one package: company car, public transport, home working, a bike, and the choices inside a cafeteria plan. That's why one question keeps coming back: can you combine a mobility budget with other benefits?

The short answer: yes, but not always as two fully separate, tax-free benefits. It depends on the budget type, existing agreements, and whether two benefits cover the same cost.

Which mobility budget are we talking about?

The legal mobility budget exchanges a company car, or the right to one, for a budget across three pillars: an eco-friendly car, sustainable mobility and housing costs, or cash. Flexible mobility budgets also exist within cafeteria plans, available even without a company car. Not every combination follows the same rules.

Can you combine a mobility budget with a company car?

Yes, but the car sits inside pillar 1, not alongside it. Keeping a classic company car while also getting a full budget for the same car policy generally doesn't work.

Example: with a €12,000 budget, an employee might choose a €9,000 eco-friendly car under pillar 1, spending the rest on public transport, a bike, or cash. Anyone who wants no car puts it all into pillar 2 and 3. A personal car stays separate from the budget.

Can you combine a mobility budget with public transport reimbursement?

Yes: train passes and tickets can be funded under pillar 2, including via public transport transcriptions arranged directly through the budget.

There's one catch: once the budget takes effect, the employer's duty to separately fund commuting costs generally ends. A separate contribution for public transport, carpooling, or a bike paid on top of the budget can become taxable income. An employee can fund a train pass or bike through the budget, but not get the same cost reimbursed twice. Whether an existing bike allowance survives depends on the prior arrangement.

Does a mobility budget work alongside a cafeteria plan?

Yes, but they're two different systems. A cafeteria plan lets employees pick benefits such as a bike, extra vacation days, or mobility within a set budget. The legal mobility budget starts from the right to a company car and its cost; it isn't a free salary swap.

Both can exist side by side, but the employer must set out which budget applies, who qualifies, and which benefits can't be combined. The same cost may never be funded twice.

Can you combine a mobility budget with a home-working allowance?

In principle yes: they usually cover different costs. A home-working allowance covers structural remote-work costs, such as a workspace. The budget covers mobility and, under conditions, rent or mortgage costs under pillar 2, for employees within 10 km of their workplace or working from home at least half the time.

The risk lies in double-funding the same cost. Not every home-working cost counts as a housing cost: water, electricity, or moving costs, for instance, fall outside it. Make sure rent or office costs don't come back through two reimbursements at once.

Combinations at a glance

What HR should watch for

The difficulty rarely lies in one benefit, but in the combination: budget type, existing allowances, tax-exempt costs, and whether a cost is already covered elsewhere.

A mobility budget only works well when the whole package adds up. Mbrella centralizes mobility arrangements, budgets, and payroll processing, so you see which benefits employees use and where combinations need checking.

See how Mbrella manages mobility budgets

‍