**Responsibilities:** - Manage and maintain the tax accounting for multiple companies simultaneously. - Plan and advise on tax matters, ensuring compliance with regulations. - Prepare and file tax returns accurately and within established deadlines. - Collaborate on contractual matters and handle notarial procedures when necessary. - Proactively identify opportunities for tax optimization. - Travel nationwide to adjust companies located in various provinces of Spain and Portugal. Job type: Full-time, Permanent contract Salary: Starting from 30.000,00€ per year Benefits: * Flexible working hours * Company laptop * Company phone * Optional remote work Work location: On-site employment