Professional diving is, by definition, any paid activity carried out under pressure in an aquatic environment; this profession is regulated by Decree-Law 70/2014 of September 1st.

The time varies depending on the vessel size and the level of biofouling. Generally, a standard hull cleaning on medium-sized merchant ships takes between 8 to 16 hours of continuous operation.

Yes, all underwater repairs and welding follow strict international welding standards (e.g., AWS D3.6M) and are accompanied by photographic and closed-circuit video reports for classification society approval.

Yes, Seasub operates in all commercial ports in mainland Portugal (Sines, Leixões, Setúbal, Aveiro, Figueira da Foz), with technical emergency teams ready for urgent deployments.