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Mobility budget

Set up a third party agreement for public transport subscriptions

Published on
March 16, 2026
Quinten Vandermeulen

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Through Mbrella, employees can order different types of public transport subscriptions themselves. This reduces your administrative workload, helps you save up to 26%, and provides you with a clear overview of all active subscriptions and their costs via the platform.

💡 This help article is intended for setting up a new third party agreement.. Already have a third party agreement? Follow the specific instructions for your transport company:

What is a third party agreement?

The third party payment system allows employees to order subscriptions while the invoice is sent directly and monthly to the employer. This means employees don't have to advance the costs and request reimbursement through Mbrella.

How to request a third party agreement?

Step 1: Submit the application

Choose your transport company and follow the specific instructions:

❗ *Note: The NMBS page displays an error message at the top, but the form still works. Just scroll down to access it.

Step 2: Contract processing

  1. You will receive a contract for signing within a few days
  2. Sign the contract electronically
  3. The transport company will review your contract
  4. After approximately 14 working days, your third party agreement will be activated

Step 3: Grant Mbrella access

  1. Add Mbrella as a concierge for your transport company:
  2. Inform our team:
  • Send a message via chat or to support@mbrella.eu
  • Mention that you have completed all steps
  • Our team will verify the received access

Step 4: Activation in Mbrella

  1. Go to the Mobility hub ⚙️
  2. Configure your offer:
  • Select the desired subscriptions
  • Add employees who are eligible for this mobility benefit