Office Closure – Clean Monday (23 February 2026)
We would like to inform you that the offices of the Guinea-Bissau International Ships Registry (G-B ISR) will remain closed on Monday, 23 February 20...
INFO BULLETIN 02/2026: GB ISR Awards Recognized Organization (RO) Authorization to Isthmus Bureau of Shipping (IBS)
The International Ships Registry of Guinea-Bissau (G-B ISR) is pleased to announce the formal conclusion of the Agreement Governing the Delegation of...