Upcoming Deadlines
Source
EU
Federal (DE)
Schleswig-Holstein
Mecklenburg-Vorpommern
Lower Saxony
Foundation
Private
US Foundation
UK
Nordic
UN / Multilateral
Corporate
Impact Investor
Philanthropic Network
International
Topic
Aquaculture
Biodiversity
Blue Economy
Capacity Building
Circular Economy
Climate
Coastal Protection
Coral Reefs
Education
Fisheries
Marine Conservation
Marine Protected Areas
Plastic Waste
Pollution
Recycling & Upcycling
Research
Seaweed & Algae
Waste Management
Mechanism
Accelerator
Blended Finance
Grant
Investment
Loan / Concessional Finance
Prize
Technical Assistance
11 fixed deadlines, 19 rolling/open
March 2026
31.03.
11d left
Hatch Blue - AquaScale Program
· Hatch Blue / Bord Iascaigh Mhara (BIM) — Ireland's Seafood Development Agency
· No cost and no equity taken. 66 companies accepted into BIM Aquatech Innovation Studio to date; alumni have raised €28M+ in total funding and created 173 jobs.
31.03.
11d left
Hatch Blue - BIM Aquatech Innovation Studio
· Hatch Blue & Bord Iascaigh Mhara (BIM), Ireland's Seafood Development Agency
· No cost and no equity taken. Participants gain access to €28M+ network of previously funded companies. Travel expenses not covered.
31.03.
11d left
Hatch Blue AquaScale BIM Innovation Studio+
· Hatch Blue / Bord Iascaigh Mhara (BIM)
· No cost and no equity taken. No direct financial investment provided; access to Hatch Blue investment network available post-program.
April 2026
05.04.
16d left
BongoHive EU-Funded Circular Economy Incubator - Zambia
· European Union / BongoHive Innovations
· €2,500 to €25,000 non-equity grants for top 10 acceleration-phase participants; milestone-driven disbursement
06.04.
17d left
EIT Climate-KIC eCircular - Circular Economy Innovation
· EIT Climate-KIC
· Up to €50,000 per city for the current ESO call (India/Kenya). Previous Circular Economy Prize offered awards for startups/SMEs (amounts not specified publicly for current rounds).
06.04.
17d left
Climate KIC — Circular Economy ESO Programme Grant (India & Kenya)
· Climate-KIC (Knowledge and Innovation Community) — EU-funded
· EUR 50,000 per city (Bengaluru and Nairobi separately); total call envelope not specified
15.04.
26d left
CirculaRise Accelerator (Yunus Environment Hub)
· Yunus Environment Hub
· Fully funded accelerator program (no equity taken, no cash grant specified)
15.04.
26d left
CirculaRise Accelerator - Yunus Environment Hub
· Yunus Environment Hub
· Fully funded program (no financial grant to participants, but all program costs covered by Yunus Environment Hub). Program support, coaching, and training are provided free of charge to selected participants.
17.04.
28d left
OceanHub Africa Acceleration Program
· OceanHub Africa
· Interest-free loans of up to $30,000 USD via Blue Loop Fund (select Phase 2 participants only); additional in-kind support includes up to $75k AWS credits and up to $50k in legal/business advisory services.
25.04.
36d
Katapult Africa Accelerator 2026
· Katapult Africa
· Capital support up to $500,000, combined with mentorship and network access
September 2026
15.09.
179d
Ocean Exchange Collegiate Awards
· Ocean Exchange
· $10,000 USD non-dilutive prize per Collegiate Award winner. Multiple awards offered (in 2025: Ocean Exchange Collegiate Award + Guy Harvey Foundation Collegiate Award, each $10,000 USD).
Rolling / Open Deadlines
periodic
OceanHub Africa / Coca-Cola Foundation: Bold Ideas in Plastic Circularity
· OceanHub Africa in partnership with The Coca-Cola Foundation
· 15 February 2026 at 23:59 SAST (closed)
periodic
OceanHub Africa — Call for Bold Ideas in Plastic Circularity (Pan-African)
· OceanHub Africa & The Coca-Cola Foundation (TCCF)
· 2026 round: February 15, 2026 (CLOSED). 2027 round expected — monitor oceanhub.africa from Q4 2026.
periodic
Pernod Ricard India Foundation — Prakriti Circular Economy Incubation
· Pernod Ricard India Foundation
· Annual programme — next cohort expected late 2026
periodic
Creative Destruction Lab (CDL) - Oceans Stream
· Creative Destruction Lab (CDL-Atlantic)
· Annual, applications open rolling with cohort starting September. Apply via creativedestructionlab.com/application-triage/
periodic
Philanthropy Asia Alliance
· Annual; 2025 deadline was 2025-07-27; 2026 cohort expected announced at Philanthropy Asia Summit (May 2026)
periodic
AB InBev 100+ Accelerator — Circular Economy Challenge
· AB InBev / 100+ Accelerator (co-sponsored by Coca-Cola, Colgate-Palmolive, Danone, Unilever)
· Cohort 7 closed — Cohort 8 timeline unknown
periodic
The Incubation Network (SecondMuse & Circulate Capital)
· The Circulate Initiative and SecondMuse (with backing from Circulate Capital, U.S. State Department, Ocean Conservancy, and AEPW)
· Main three-year programme concluded March 2023. Country-specific accelerators ongoing; check incubationnetwork.com for current intake rounds
Rolling
Unilever - Circular Packaging & Waste-Free World
· Unilever plc
· No open call — proactive partnership proposals required
periodic
StartBlue Ocean Enterprise Accelerator (VentureWell/Scripps)
· VentureWell / NOAA IOOS
· Periodic, Spring and Fall cohorts annually (Spring 2026 Stage 0 deadline: April 7, 2026)
Rolling
OceanHub Africa Acceleration Program - Blue Economy Startups
· OceanHub Africa
· Rolling admissions — Cohort 7 Intake 2 open as of March 2026
Rolling
EU BlueInvest — European Commission Blue Economy Investment Platform
· European Commission / Directorate-General for Maritime Affairs and Fisheries (DG MARE)
· Rolling basis
Rolling
Rolling
Rolling
Rolling
EIFO Green Accelerator Programme - Danish SME Green Tech Export
· Export and Investment Fund of Denmark (EIFO)
· Rolling — 3 calls per year
periodic
Diageo Sustainable Solutions — Innovation Accelerator
· Diageo
· Round 5 expected late 2024 — check dss@diageo.com for status
Rolling
Circular Economy Accelerator (CEA) by Fetola
· Fetola (in partnership with Nedbank)
· Waiting list open (no fixed deadline for next cohort)
periodic
Amcor — Lift-Off Innovation Challenge
· Amcor plc / Amcor Ventures
· Winter 2025/26 cycle CLOSED (Dec 12, 2025). Next cycle expected late 2026.
periodic
Second Muse - Social Innovation Accelerator
· SecondMuse (with clients including USAID, World Bank, Rockefeller Foundation, IKEA Foundation)
· periodic