OPEN CALL 3 IS NOW OPEN

ADT4Blue’s OC3 offers an acceleration programme for at least 30 selected proposals

coming from innovative SMEs, individuals, teams, entrepreneurs, startups, researchers, students and/or alumni.

OC3 GUIDELINES MANDATORY PROPOSAL TEMPLATE APPLY NOW

ADT4Blue Open Call 3 is seeking proposals addressing

18 Challenges within 7 Blue Economy domains

List of Domains

Ocean Literacy

Communication

Port Activities

Ocean Renewable Energies

Shipping & Repair

Aquaculture and Fisheries

Ocean Monitoring, Conservation and Marine Ecosystem Protection

By participating, you’re contributing to the sustainable use of ocean resources for economic growth, improved livelihoods, and ecosystem health.
EXPLORE ALL THE CHALLENGES DOWNLOAD CHALLENGES DOC

Who can Apply

We welcome applicants based in Europe or in a Horizon Europe participating country with innovative ideas addressing one of the challenges stated above, including:

  • Entrepreneurs
  • Legally established SMEs & start-ups
  • Innovators and researchers
  • Students and alumni
  • Teams or individuals with a passion for Blue Economy innovative ideas

Selected participants access the ADT4Blue OC3 Programme

Tailored training

Mentorship from industry experts

Pitching sessions to showcase ideas

Entrepreneurship workshops

Access to customized networking events

Support in the development of the underlying business model

Tailored training

Mentorship from industry experts

Pitching sessions to showcase ideas

Entrepreneurship workshops

Access to customized networking events

Support in the development of the underlying business model

MORE ON THE PROGRAMME

Timeline

Call Opening Date: October 29th, 2025

Deadline for Submission: December 30th, 2025 5pm CET

Evaluation and Selection: January 2026

Final ADT4Blue Event: Between August & October 2026 (Aveiro – Portugal)


Online Matchmaking Events & Webinars: DISCOVER KEY DATES HERE

Frequently asked questions (FAQs)

Preparing your application

To be eligible to apply to the ADT4Blue Programme: 
• Applicants must be based in a European country or in a Horizon Europe participating country
• Applicants can be legally established SMEs, Startups and/or Entrepreneurs. 
• Applicants can also be natural persons as long as they are technologists, higher education students, researchers or alumni, or domain experts within the sector of the Blue Economy.

Visit our application form here

Multiple submissions will not be considered and team members can only participate in one team. Thus, each participant and each team can only apply to one challenge per Open Call. In case you resubmit your proposal to correct a mistake, the latest version will be considered as per the application record system.

Yes, you can resubmit your application in the F6S platform provided the call deadline has not expired. Only the last version of your proposal before the call deadline will be considered for evaluation. For this purpose, you are required to send an email to support@f6s.com requesting to reopen your application.  Nonetheless, we highly recommend you carefully revise your proposal before submitting it.

Yes, you must register here to receive the link for the event.

No. The main goal of this event is to help eager participants network and team up with other potential participants so that forming a team to apply to the Open Call becomes easier.

After applying

The Open Call results will be communicated to applicants by email. 

The ADT4Blue OC3 results will be communicated by the end of January 2026.

The Open Call results will be communicated to applicants by email.

Close-up Photo of Blue Body of Water
Body of Water
Underwater Photography of Turtle
Body of Water Under Blue and White Skies

Contact

For any inquiries, please send us an email to:

hello@adt4blue.eu