Guinea-Bissau has EOI relations with 3 countries through 3 treaties.
| Treaty Type | |
| Sum | 3 |
| DTC | 3 |
| Jurisdiction | Type | Treaty | Signed | Entered into force | Exchange of Information | |
|---|---|---|---|---|---|---|
| Burkina Faso | DTC | DTC BF GW | Sept. 26, 2008 | Jan. 1, 2009 | Uncertain | |
| Portugal | DTC | DTC GW PT | Oct. 17, 2008 | July 5, 2012 | Uncertain | |
| Senegal | DTC | DTC GW SN | Sept. 26, 2008 | Jan. 1, 2009 | Uncertain |