Christmas Message – Seasonal Greetings from GB ISR
The Guinea-Bissau International Ships Registry (GB ISR) extends its warmest wishes to all our customers, business partners, and stakeholders for a Me...
GB ISR Issues IMO Technical Service Circular TSC 02-2025 on Revised IMO Counter Piracy Guidance
The Guinea-Bissau International Ships Registry (GB ISR) has issued Technical Service Circular TSC 02-2025, informing shipowners, operators, and manag...
Marine Notice No. 06/2025 – Updated List of Recognized P&I Clubs and Insurers
The Guinea-Bissau International Ships Registry (G-B ISR) has issued Marine Notice No. 06/2025, providing an updated list of Recognized Protection and...
Issuance of Marine Notice No. 05/2025
The Guinea-Bissau International Ships Registry (G-B ISR) has issued Marine Notice No. 05/2025, dated 30 September 2025, on the Joint Paris and Tokyo...
Issuance of Info Bulletin Nr.07/2025 – 17/09/2025: GB ISR Hosts IMO IMSAS Audit in Piraeus
The Guinea-Bissau International Ships Registry successfully hosted the IMO IMSAS Audit at its Piraeus offices (10–12 September 2025), reaffirming its...
Notification on the Issuance of Marine Notice 04/2025 – Policy for Appointment of Flag State Inspectors / Surveyors
The Guinea-Bissau International Ships Registry (G-B I.S.R.) has issued Marine Notice 04/2025, establishing the official policy and procedures for the...
Notification on the issuance of Marine Notice 03/2025: Records Management Policy of the G-B I.S.R. for Flag State Functions
The Guinea-Bissau International Ships Registry (G-B I.S.R.) has issued Marine Notice 03/2025, establishing the official Records Management Policy app...
Official Publication: G-B I.S.R. Maritime Strategy for Flag State Implementation of IMO Instruments
The Guinea-Bissau International Ships Registry (G-B I.S.R.) is pleased to announce the official release of Marine Notice 02/2025, titled “G-B I.S.R....
New Marine Notice Issued (No. 01/2025) – Advancing IMO Compliance & Transparency
The Guinea-Bissau International Ships Registry (GB ISR) is pleased to announce the issuance of Marine Notice Nr. 01/2025, dated 03 July 2025: "Policy...
New Info Bulletin – Accreditation of the Permanent Mission of Guinea-Bissau to the IMO
The Guinea-Bissau International Ships Registry (G-B ISR) is pleased to announce the publication of Info Bulletin No. 05/2025, detailing the official...