• Action type: HORIZON-ERC-SYG HORIZON ERC Synergy Grants
  • Opening date: 12 July 2023
  • Closing time: 8 November 2023 17:00 (Europe/Brussels)
  • Budget per project: € 10 000 000 of total € 400 000 000
  • Estimated number of projects funded: 39
  • Project duration: 6 years
  • Official website


Support for a small group of two to four Principal Investigators to jointly address ambitious research problems that could not be addressed by the individual Principal Investigators and their teams working alone. All scientific fields are eligible for ERC funding.

Synergy projects should enable substantial advances at the frontiers of knowledge, stemming, for example, from the cross- fertilisation of scientific fields, from new productive lines of enquiry, or new methods and techniques, including unconventional approaches and investigations at the interface between established disciplines. The transformative research funded by Synergy Grants should have the potential of becoming a benchmark on a global scale.

Principal Investigators of any career stage are welcome and must demonstrate the ground-breaking nature, ambition, and feasibility of their research proposal. Principal Investigators must also demonstrate that their group can successfully bring together the scientific elements necessary to address the scope and complexity of the proposed research question.

Applications must be submitted by a group of a minimum of two and a maximum of four innovative and active Principal Investigators, referred to as the ‘Synergy Grant Group’, with competitive track records as appropriate to their career stage.

Synergy Grant Groups are expected to demonstrate that they can successfully bring together those elements – such as skills, knowledge, experience, expertise, disciplines, methods, approaches, teams, access to infrastructures – necessary to address the scope and complexity of the proposed research question. Applicants are expected to describe the contribution of each PI, their team, and the resources to achieve the objectives proposed.


Eligible project costs will be reimbursed at a funding rate of 100% for direct costs plus a flat-rate of 25% for indirect costs. Reimbursements will be budget-based and will cover actual costs or unit costs24 depending on the cost category. The amount of the awarded grant represents a maximum overall figure – the final amount to be paid must be justified on the basis of the costs incurred for the project and it may be lower than the budget requested.

However, an additional € 4 million can be requested in the proposal in total to cover eligible ‘start-up’ costs for Principal Investigators moving to the EU or an Associated Country from elsewhere as a consequence of receiving an ERC grant and/or the purchase of major equipment and/or access to large facilities.


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