«The ranking, published first-hand in partnership with ECO/Advocatus, reveals the best law firms in five areas. The ranking, published first-hand in partnership with ECO/Advocatus, reveals the best law firms in five categories. Get to know the winners. The Leaders League has released another ranking of the best law firms in Portugal in five different areas: Real Estate, Banking & Finance, Corporate Tax, Private Equity Advisory and Restructuring & Insolvency. The results of the international directory's rankings are based on questionnaires to clients, external organisations and their peers - lawyers - in each jurisdiction.»