Ibaizabal and Boluda jointly bought SERTOSA from Naviera F. Tapias in August 1998. Sertosa Norte’s website dates its entry into Ibaizabal to a 1998 split from SERTOSA, while Lloyd’s gives 2000 as its formation. Later registers list SERTOSA under Boluda alone but still describe joint ownership.
Keep the explicit scope label independent; no alias or company identity is inferred.