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This round is closed. The next round and similar open calls are listed below. Synced from the EU Funding & Tenders Portal on 9 November 2026.
This call is closed. These open or upcoming calls fund the closest work.
Projects the EU funded under this call, with the organisation that led each one.
THEOSCOPEADVANCED SPACE TELESCOPE, GPU‑BASED ON‑BOARD PROCESSING HARDWARE & AI PROCESSING FOR CLIMATE-CHANGE MITIGATION EO SERVICES
Led by Super-Sharp Space Systems Limited · United Kingdom · 2026 · Official record ↗
ORIONORBITAL RESOURCE INTEROPERABILITY AND ORCHESTRATION NETWORK
Led by Planetek Hellas Monoprosopi Etaireia Periorismenis Efthynis · Greece · 2026 · Official record ↗
ENTENTEINTEGRATED TERRESTRIAL/NON-TERRESTRIAL NETWORKS, MULTI-CONNECTIVITY SOLUTIONS AND TERMINALS
Led by Centre Tecnologic de Telecomunicacions de Catalunya · Spain · 2026 · Official record ↗
Based on projects the EU funded on the same subject in this programme.
LEONSEGSLARGE EARTH OBSERVATION NEW SPACE ECOSYSTEM GROUND SEGMENT
HORIZON-CL4-2022-SPACE-01-13 · 2023 · Official record ↗
DOMINO-EEarth Observation Multi-mission federation layer
HORIZON-CL4-2022-SPACE-01-13 · 2022 · Official record ↗
Edge SpAIceUnleashing AI potential to foster space accessibility and novel Earth Observation services creation.
HORIZON-CL4-2023-SPACE-01-11 · 2023 · Official record ↗
SPACE USBSPACE Universal Serial Bus
HORIZON-CL4-2023-SPACE-01-12 · 2024 · Official record ↗
SPACELINKEUROPEAN SPACE-GRADE OPTICAL TRANSCEIVERS FOR HIGH SPEED INTRA-SATELLITE INTERCONNECTS AND FREE SPACE LASERCOM LINKS
HORIZON-CL4-2024-SPACE-01-73 · 2025 · Official record ↗
HE23-24 TOP3Space-based SST (mission, system and sensors network) Horizon Europe TOP3
HORIZON-CL4-2025-SSA-SST-IBA-SB · 2026 · Official record ↗
CARIOQA-PMPCold Atom Rubidium Interferometer in Orbit for Quantum Accelerometry – Pathfinder Mission Preparation
HORIZON-CL4-2021-SPACE-01-62 · 2022 · Official record ↗
ALCYONEAutonomous Living Cell analYsis ON-chip for Evaluation of space Environment Effects: low-power integrated lab-on-chip for the assessment of radiation damage on living systems in nanosatellite missions
HORIZON-CL4-2022-SPACE-01-82 · 2023 · Official record ↗
Each one links to its EU funding record and the partners it works with: a starting list for building a consortium.
The topic encompasses actions within the scope of the co-programmed European Partnership on Globally Competitive Space Systems (‘Space Partnership’) in the areas of satellite communication (SatCom), Earth Observation (EO) and New Commercial Space Transportation Solutions and is part of cohesive activities in the domain of digital developments under the grand heading of “digitalisation for commercial space solutions”.
Under the area of Using Space on Earth related to SatCom and EO, below this topic focusses on the Mid to High TRL level developments of key technologies required to strengthen competitiveness in these domains. Digitalisation is a major enabler for enhancing the value of an End-to-End EO and SatCom system. For example, processing applied to multi-sensor data can significantly enhance the resolution of the final data set, and digital optimisation of the data flow directly improves the End-to-End timeliness of an EO system (from request to delivery). Lastly, the enhancement of End-to-End data resilience and integrity calls for digital technologies on-board and, on the ground.
Project results are expected to contribute to one or several of the following expected outcomes:
Advanced Earth observation payloads, technologies and processing means, for multiple spectrum and frequency bands capabilities (on ground and in space), as well as optimisation of data downlink for all types of observation missions. This will contribute to developing, deploying global, more flexible and reactive space-based services applications, to contribute to fostering the EU's space sector competitiveness, as stated in the expected impact of this destination.
The areas of R&I, which needs to be addressed to tackle the above-mentioned expected outcomes are:
Developments should aim at on-ground relevant environment or in-orbit demonstration focusing on software and digital tools (e.g. algorithms, functions), supporting open-HW alternatives (e.g. processors, electronics) such as RISC-V or similar from design to pre-operation phases.
Proposals may contribute to one or more of the above R&I areas, however the main area addressed should be clearly and unambiguously identified. To ensure a balanced portfolio covering the three areas described above, grants will be awarded to applications not only in order of ranking but at least also to one proposal that is the highest ranked within each area, provided that the applications attain all thresholds. For the purposes of the ranking the main area declared by the proposal will be considered.
Proposals are expected to promote cooperation between different actors (industry, SMEs and research institutions) and consider opportunities to quickly turn technological innovation into commercial use in space via e.g., on-ground relevant environment or in orbit demonstration.
Proposals under this topic should explore synergies and be complementary to already funded actions in the context of technology development at component level, while still enabling new entrants and new approaches. In particular the topics: Critical Space Technologies for European non-dependence (HE H2020 SPACE-10-TEC-2018-2020, COMPET-1-2014-2015-2016-2017, HORIZON-CL4-2021-SPACE-01-81/ 2023-SPACE-01-72/ 2024-SPACE-01-73), satellite communication technologies and high speed data chain (H2020 COMPET-2-2016, COMPET-3-2017, SPACE-15-TEC-2018, SPACE-29-TEC-2020, HORIZON-CL4-2021-SPACE-01-11), Earth Observation end-to-end technologies (HORIZON-CL4-2022-SPACE-01-13, HORIZON-CL4-2023-SPACE-01-11). It is expected that projects make use of existing European technologies and/or building blocks, including at component level, contributing to European non-dependence and strengthen competitiveness, and this should be clearly presented in the proposal. Furthermore, proposed activities should be complementary to H2020 and Horizon Europe funded projects, national activities and activities funded by the European Space Agency (ESA).
This topic implements the co-programmed European Partnership on ‘Globally Competitive Space Systems’ (GCSS). As such, projects resulting from this topic will be expected to report on results to the European Partnership ‘Globally Competitive Space Systems’ (GCSS) in support of the monitoring of its KPIs.
This topic contributes to the Strategic Technologies for Europe Platform (STEP) and addresses Space technologies falling under the sectors of “digital technologies” and “deep tech innovation”. This topic addresses objectives stated in the STEP Regulation, e.g., the development of critical technologies and safeguarding and strengthening their EU value chain. This topic will help reduce strategic dependencies from outside of the EU for components and equipment for the EU Space Programme, as well as for other European space applications.
In this topic, the integration of the gender dimension (sex and gender analysis) in research and innovation content should be addressed only if relevant in relation to the objectives of the research effort.
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Activities are expected to achieve TRL 7-8 by the end of the project. The reference TRL definition is the ISO 16290:2013 applicable to the space sector.
1. Admissibility Conditions: Proposal page limit and layout
described in Annex A and Annex E of the Horizon Europe Work Programme General Annexes.
Proposal page limits and layout: described in Part B of the Application Form available in the Submission System.
2. Eligible Countries
described in Annex B of the Work Programme General Annexes.
A number of non-EU/non-Associated Countries that are not automatically eligible for funding have made specific provisions for making funding available for their participants in Horizon Europe projects. See the information in the Horizon Europe Programme Guide.
3. Other Eligible Conditions
The following additional eligibility criteria apply: Subject to restrictions for the protection of European communication networks.
If projects use satellite-based earth observation, positioning, navigation and/or related timing data and services, beneficiaries must make use of Copernicus and/or Galileo/EGNOS (other data and services may additionally be used).
described in Anex B of the Work Programme General Annexes.
4. Financial and operational capacity and exclusion
described in Annex C of the Work Programme General Annexes.
5a. Evaluation and award: Award criteria, scoring and thresholds
Eligible proposals submitted under this topic and exceeding all the evaluation thresholds will be awarded a STEP Seal [https://strategic-technologies.europa.eu/about/step-seal_en].
are described in Annex D of the Work Programme General Annexes.
5b. Evaluation and award: Submission and evaluation processes
are described in Annex F of the Work Programme General Annexes and the Online Manual.
5c. Evaluation and award: Indicative timeline for evaluation and grant agreement
described in Annex F of the Work Programme General Annexes.
6. Legal and financial set-up of the grants
Eligible costs will take the form of a lump sum as defined in the Decision of 7 July 2021 authorising the use of lump sum contributions under the Horizon Europe Programme – the Framework Programme for Research and Innovation (2021-2027) – and in actions under the Research and Training Programme of the European Atomic Energy Community (2021-2025). [[This decision is available on the Funding and Tenders Portal, in the reference documents section for Horizon Europe, under ‘Simplified costs decisions’ or through this link: https://ec.europa.eu/info/funding-tenders/opportunities/docs/2021-2027/horizon/guidance/ls-decision_he_en.pdf]].
described in Annex G of the Work Programme General Annexes.
described in the specific topic of the Work Programme.
Application and evaluation forms and model grant agreement (MGA):
Application form templates — the application form specific to this call is available in the Submission System
Standard application form (HE RIA, IA)
Evaluation form templates — will be used with the necessary adaptations 
Standard evaluation form (HE RIA, IA) 
Guidance
HE Programme Guide 
Model Grant Agreements (MGA)
Lump Sum MGA 
Call-specific instructions 
Detailed budget table (HE LS) 
Guidance: "Lump sums - what do I need to know?"
Additional documents:
HE Main Work Programme 2025 – 1. General Introduction
HE Main Work Programme 2025 – 7. Digital, Industry and Space
HE Main Work Programme 2025 – 14. General Annexes
HE Programme Guide
HE Framework Programme 2021/695
HE Specific Programme Decision 2021/764
EU Financial Regulation 2024/2509
Decision authorising the use of lump sum contributions under the Horizon Europe Programme
Rules for Legal Entity Validation, LEAR Appointment and Financial Capacity Assessment 
EU Grants AGA — Annotated Model Grant Agreement 
Funding & Tenders Portal Online Manual 
Funding & Tenders Portal Terms and Conditions 
Funding & Tenders Portal Privacy Statement
Confirm the current call documents and submission conditions with the funding authority.
View on EU portal ↗Source: EU Funding & Tenders Portal · synced 2026-11-09
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