- BCSDN cooperates on a regular basis with several European networks/organizations working on EU enlargement policy and civil society issues in the Balkans:
- Association of Local Democracy Agencies (ALDA)
- Black Sea NGO Forum
- Carnegie Endowment for International Peace
- Catalyst Balkans
- CIVICUS Affinity Group of National Associations (AGNA), Vuka! Coalition
- CONCORD European confederation of Relief and Development NGOs
- Council of Europe, Conference of INGOs
- CSO Partnership for Development Effectiveness (CPDE)
- European Economic and Social Committee (EESC)
- European Civic Forum (ECF)
- European Citizens’ Action Service (ECAS)
- European Center for Not-for-Profit Law (ECNL)
- European Network of National Associations (ENNA)
- European Fund for the Balkans (EFB)
- Global Standard for CSO Accountability
- International Civil Society Centre (ICSC)
- Network of associations of local authorities of South-East Europe (NALAS)
- Pontis Foundation
- Third Sector Impact (TSI)
- Thomson Reuters Foundation (TRF) – Trust Law
- Horizont 3000
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