Is it necessary for the employment agreement to be bilingual with Spanish taking precedence in Spain?

Yes, in Spain, employment agreements are written in both Spanish and English. If there are any discrepancies between the two versions, the Spanish version will prevail.

Can variable compensation be included in the employment agreement in Spain, or should it be outlined in a separate Variable Compensation Plan?

In Spain, variable compensation can be referenced in the employment agreement; however, it should not be included within the employment agreement itself. The specifics of variable compensation should be detailed in a separate Variable Compensation Plan.