# Weave – Lead Agency (with AEI Spain)

**Funder:** SNSF
**Deadline:** 24 November 2026 (AEI-led call; Swiss researchers must submit a copy to SNSF via mySNF within 7 days of the AEI deadline)
**Duration:** 36 months
**Consortium:** Required — joint Swiss-Spanish research group, with a parallel proposal submitted to the AEI (Spain) and SNSF (Switzerland)
**Application:** Single stage: parallel submission to AEI (lead) and SNSF (copy within 7 days)
**Frequency:** Annual
**Next round:** 2027-10
**Eligible countries:** CH, ES
**Official call:** https://www.snf.ch/en/RPgM7YpVD9FeC9xT/funding/projects/weave-lead-agency-spain
**Last updated:** 9 Sept 2026

## Eligibility & scope

Pilot Weave collaboration between SNSF and Spain's AEI enabling joint Swiss-Spanish research project proposals under SNSF's Project Funding scheme. Each agency funds only its own national beneficiaries; no thematic overlap with other ongoing projects allowed.

## Summary

This is a pilot Weave Lead Agency call between the SNSF and Spain's AEI, funding joint Swiss-Spanish research projects under SNSF's Project Funding scheme for 36 months. Applicants must form a binational consortium and submit a single parallel proposal led through AEI, with Swiss team members filing a copy to SNSF via mySNF within 7 days of the AEI deadline. Each agency only funds its own country's researchers, and the project topic cannot overlap with other ongoing grants.

## Who should apply

- Researchers based at Swiss institutions with an established Spanish research partner (or vice versa)
- Joint Swiss-Spanish teams planning a 36-month collaborative project
- Applicants whose project fits SNSF's Project Funding scheme and AEI's parallel scheme
- Teams whose proposed topic does not overlap with other ongoing funded projects

## Key dates

- AEI deadline 24 November 2026; Swiss researchers must submit a copy to SNSF via mySNF within 7 days of that deadline
- Single-stage parallel submission to AEI (lead) and SNSF (copy)
- 36-month project duration; call runs annually, next expected round October 2027

## Tips for applicants

- Coordinate closely with your Spanish partner on timing, the AEI deadline governs the process and the SNSF copy is due only 7 days later via mySNF.
- Check your project topic against any other active grants before applying, since thematic overlap with ongoing projects is explicitly disallowed.
- Since each agency funds only its own nationals, budget and justify the Swiss and Spanish work packages separately even though the proposal is submitted as one joint project.

## Frequently asked questions

### How does the Weave Lead Agency call with AEI Spain work?

It is a lead agency pilot in which a joint Swiss-Spanish team submits one parallel proposal, led through the AEI in Spain, with Swiss researchers filing a copy via mySNF within 7 days of the AEI deadline.

### Who funds the Swiss and Spanish researchers on a Weave-AEI project?

Each agency funds only its own national beneficiaries: SNSF funds the Swiss side and AEI funds the Spanish side of the same joint project.

### How long does a Weave AEI Spain grant run?

Funded projects run for 36 months.

### How often does the Weave-AEI Spain call open?

It runs annually; the next expected round opens around October 2027.

### Can a Swiss researcher apply without a Spanish partner?

No, a joint Swiss-Spanish research group is required, with parallel proposals submitted to both AEI and SNSF.

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Source: [The Great Grantsby](https://grantsby.eu/grants/snsf-weave-lead-agency-with-aei-spain-2026-11) — EU grant monitoring for academic researchers. Always verify details on the funder's website before applying.

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