B Law & Tax (Asesor Fiscal Expatriado)

B Law & Tax (Asesor Fiscal Expatriado) is a Madrid law firm that provides legal and tax advice for international clients and expatriates. The firm publishes a full English version of its site and describes a multilingual team that assists with international tax, double‑taxation matters, mobility and the paperwork needed when moving to or from Spain.

The firm states it handles residency and work permits, representation before tax authorities, social‑security coordination (E‑forms) and the tax filings both in Spain and in the country of origin for expatriates and companies with mobile staff. Contact details and a Madrid office address are published on their website.

1. Contact the firm by email or phone to explain your situation (published contact details on the site).

2. Initial analysis and planning: the firm studies applicable tax rules, double‑taxation treaties and the mobility/visa implications for the client.

3. Preparation of documentation and submission of permit/visa or tax forms, including representation before Spanish authorities when required.

4. Ongoing compliance: preparation and filing of tax returns and follow‑up on social‑security or administrative matters.