Navalyze · Flags · Guinea-Bissau
Guinea-Bissau flag, 2025
Ships whose port of registry belongs to Guinea-Bissau, as estimated from the THETIS-MRV reports for 2025, and the companies operating them. Each company counts only its ships under this flag.
At a glance
Ships
11
reporting to EU MRV
Emitted
14,617 t
CO₂, all ships under the flag
EU ETS allowances due
€332k
4,428 t of allowances at the chosen price
Largest operator: Sirius Ship Management Co SA
€104k
1 ships, 31% of the flag's allowances
Ship types under this flag
CO₂ by segment.
- Other4,752 t
- General cargo4,511 t
- Bulk carrier4,016 t
- Oil tanker1,337 t
Companies by EU ETS cost
The 10 operators with most EU ETS allowances due for their Guinea-Bissau-flagged ships in 2025. Companies of one group are summed, as on the compare page; their ships under other flags are not counted here.
| # | Operator | Main segment | Shipsunder Guinea-Bissau | CO₂emitted, total | AllowancesEU ETS cost | vs segment medianlower is better | vs similar-size shipssame segment, lower is better |
|---|---|---|---|---|---|---|---|
| 1 | Sirius Ship Management Co SA | Other | 1 | 3,878 t | €104k | – | – |
| 2 | Erk Shipping & Trading Co Ltd | General cargo | 1 | 2,084 t | €63k | – | – |
| 3 | Perama Shipmanagement Ltd | Bulk carrier | 1 | 1,651 t | €62k | – | – |
| 4 | GMZ SHIPMANAGEMENT CO.(HELLAS).SA | General cargo | 1 | 1,546 t | €42k | – | – |
| 5 | Cilicia Shipping Co | Oil tanker | 1 | 1,337 t | €37k | – | – |
| 6 | ELNEHESI SHIPPING CO | Other | 1 | 874 t | €24k | – | – |
| 7 | WORLDTRANS SHIPPING LTD. | General cargo | 1 | 881 t | €0 | – | – |
| 8 | GMZ SHIP MANAGEMENT CO. S.A. | General cargo | 2 | 0 t | €0 | – | – |
| 9 | ASB SHIPPING LTD | Bulk carrier | 1 | 2,365 t | €0 | – | – |
| 10 | rami shipping management | Other | 1 | 0 t | €0 | – | – |
Show by ISM company (DoC holder) instead of group
| # | Operator | Main segment | Shipsunder Guinea-Bissau | CO₂emitted, total | AllowancesEU ETS cost | vs segment medianlower is better | vs similar-size shipssame segment, lower is better |
|---|---|---|---|---|---|---|---|
| 1 | Sirius Ship Management Co SA | Other | 1 | 3,878 t | €104k | – | – |
| 2 | Erk Shipping & Trading Co Ltd | General cargo | 1 | 2,084 t | €63k | – | – |
| 3 | Perama Shipmanagement Ltd | Bulk carrier | 1 | 1,651 t | €62k | – | – |
| 4 | GMZ SHIPMANAGEMENT CO.(HELLAS).SA | General cargo | 1 | 1,546 t | €42k | – | – |
| 5 | Cilicia Shipping Co | Oil tanker | 1 | 1,337 t | €37k | – | – |
| 6 | ELNEHESI SHIPPING CO | Other | 1 | 874 t | €24k | – | – |
| 7 | WORLDTRANS SHIPPING LTD. | General cargo | 1 | 881 t | €0 | – | – |
| 8 | GMZ SHIP MANAGEMENT CO. S.A. | General cargo | 2 | 0 t | €0 | – | – |
| 9 | ASB SHIPPING LTD | Bulk carrier | 1 | 2,365 t | €0 | – | – |
| 10 | rami shipping management | Other | 1 | 0 t | €0 | – | – |
- Allowances :
- EU ETS allowances due for the year, at the chosen price.
- vs segment median :
- CO₂ per transport work against the median segment ship. Below 0% is better.
- vs similar-size ships :
- CO₂ per transport work of the median ship, against the median ship of the same size band in its segment (whole segment where the segment has no size bands). Below 0% is better.
EU ETS allowances are not a tax: companies buy and surrender one allowance per tonne of CO₂ in scope. Figures use the 2025 phase-in share and an EUA price of €75 per tonne, which the commercial view lets you change. The flag is estimated from the port of registry; see the Flags page.