Most EU-funded projects are collaborative, with at least three organisations from different EU Member States or Associated countries taking part. Maybe your future project partner belongs to one of the following databases?
1. CORDIS – EU Research Partners
CORDIS is the European Commission's primary public repository and portal to disseminate information on all EU-funded research projects and their results in the broadest sense. It offers one of the largest databases of partner profiles (self-registered profiles).
https://cordis.europa.eu/partners/web/guest/home
2. Ideal-ist Partner Search
Ideal-ist is an international ICT (Information and Communication Technologies) network, with more than 70 ICT partners from EU and non-EU countries. These include: Associated States, Eastern European Partner Countries, Mediterranean Partner Countries and emerging countries like China, Brazil, India, and South Africa.
http://www.ideal-ist.eu/partner-search/pssearch
3. Partner Search for Nanosciences and Nanotechnologies, Materials and New Production Technologies (NMP)
The core objective of the ’Nanosciences, Nanotechnologies, Materials and new Production Technologies (NMP)’ theme is to improve the competitiveness of European industry, and generate the knowledge needed to transform it from a resource-intensive to a knowledge-intensive industry.
https://www.nmp-partnersearch.eu/index.php
4. Fit for Health 2.0 – Partner search
Fit for Health 2.0 aims to sustainably enhance the participation of European industry, in the health-related theme of Horizon 2020 in particular research-intensive, high-technology small or medium-sized enterprises (SMEs).
5. Innovative Medicines Initiative (IMI) Partner Search Tool
IMI supports collaborative research projects and builds networks of industrial and academic experts to boost pharmaceutical innovation. There are also opportunities for SMEs, such as innovative biotech enterprises.
https://cloud.imi.europa.eu/web/eimi-pst
6. Enterprise Europe Network
The Enterprise Europe Network is a key instrument in the EU's strategy to boost growth and jobs. Bringing together close to 600 business support organisations from more than 50 countries, it helps small companies seize the unparalleled business opportunities in the EU Single Market.
http://een.ec.europa.eu/services/going-international
7. NET4SOCIETY – Partner Search Support
NET4SOCIETY is the international network of National Contact Points for Horizon 2020’s Societal Challenge 6 ("Europe in a changing world: inclusive, innovative and reflective societies") and Socio-economic Sciences and Humanities (SSH). The NET4SOCIETY database will offer both profiles of partners interested in becoming involved in existing or currently forming consortia as well as partner searches of research consortia looking for specific additional partners.
http://www.net4society.eu/public/pss.php
8. Innovation Place – Find partners for research and innovation projects
Innovation Place is a European consultancy organisation that advises on innovation management and grants. It can help you in connecting to the right organisations for your projects all around Europe, see how.
https://www.innovationplace.eu/find-partners-research-projects
9. EUresearch – Swiss guide to European research and Innovation – Partner Search Platforms
Euresearch is a Swiss network mandated by the State Secretariat for Education, Research and Innovation to provide targeted information, hands-on advice and transnational partnering for European research and innovation programmes.
https://www.euresearch.ch/en/euresearch-services/we-connect/partner-search-platforms/
10. European Long-Term Ecosystem Research Network (LTER)
LTER helps development management options in response to global change challenges while contributing to Europe’s knowledge base. Search for both sites and people.