Our StartUps
OC Challenge Finalists & Award Accelerator Cohort
2025
Meet the finalists of the OC Challenge 2025
10 teams from 9 countries all around the world will participate in this years challenge.

SAVEARTH
Savearth is an AI-powered, plug-and-play solution designed to help hotels monitor, optimize, and reduce water consumption in guest showers, tackling one of the biggest sustainability challenges in hospitality. By combining IoT, machine learning, and gamification, Savearth empowers hotels to lower operational costs, enhance guest engagement, and meet sustainability goals without disrupting the guest experience.

FREMANTLE SEAWEED
Fremantle Seaweed are a team of seafarers and scientists passionate about ocean conservation and tackling climate change. With a 32-hectare marine lease located in the pristine waters of Derbal Nara, Western Australia, they are working with the ocean to grow the red seaweed, Asparagopsis, which has been demonstrated to reduce methane emissions from cattle and other ruminate livestock by 80%.

NUTRICAPE
Nutricape Private Limited designs and manufactures nano-encapsulated nutrient delivery systems for aquaculture, with a current focus on shrimp feed. Their technology addresses critical challenges in shrimp farming—such as poor nutrient absorption, feed wastage, and water pollution—by using millifluidics-based nano-carriers that deliver nutrients with precision, stability, and bioavailability.

SLOW MILL
Slow Mill Sustainable Power BV develops innovative, resilient and affordable technology to generate clean electricity from the ocean by harnessing oceans wave energy with a wave energy converter (WEC). Their patented technology shows a very high energy efficiency even during low and medium waves.

URBANBLUE TECHNOLOGIES
UrbanBlue Technologies revolutionizes wastewater treatment using advanced AI, computer vision, and IoT. Their flagship product, AquaPulse, is the world’s first AI-powered, in-situ microbial monitoring system, delivering real-time insights at the source. The company serves industrial plants, chemical manufacturers, sewage treatment facilities, and integrated water reuse systems, offering a smarter approach to wastewater management.

BUOGRALON
This startup from Hong Kong focuses on the manufacturing of wave energy converters that harness the renewable ocean wave energy to: 1. produce on- and off-grid electricity 2. capture CO2 in both air and ocean 3. desalinate seawater into drinking- water

SOLVINGE
As a primarily process technology venture with an innovative waste-to-value model, SolVinge aims to create sustainable, high-value products through developing and scaling proprietary bioconversion process, integrating Black Soldier Fly Larvae (BSFL) cultivation and filamentous fungi for nutrient enhancement. This circular approach provides a scalable solution for reducing waste and emissions across multiple industries.
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SMARTDRY DREDGING
SmartDry Dredging changes the way dredging is done. From a non-sustainable, moving contaminants process to a sustainable contamination removal and creation of materials derived from the process to be used in circular economy solutions.

TRIGAN
TRIGAN is building the world's first "societal operating system" – a digital platform that helps communities of any size work better together and solve problems more effectively. Our goal is to empower people everywhere to create positive change in their local area and beyond, with support from cutting-edge technology.

WEAVEAIR
WeavAir develops an integrated hardware and software platform that helps asset operators, facility managers, utilities, and infrastructure owners optimize operations, reduce environmental impact, and improve profitability by providing advanced monitoring, diagnostics, and decision-support capabilities.
2024
Proudly presenting the founders and Start-Ups we have supported during 2024

KIDEMIS
KIDEMIS is a Swiss startup that is developing a sustainable alternative to fishmeal and fish oil for aquafeed. The company's mycoprotein aquafeed is produced from renewable resources and is a high-quality, cost-effective, and scalable alternative to traditional aquafeed.
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sts lab esg
Bluetweet on Board, is an innovative system for monitoring water parameters on yachts, assessing their environmental impact during navigation. By integrating sensors and analysis tanks in vessels, they collect and analyze seawater data, providing yacht builders with a unique solution to enhance environmental sustainability.

ecklien4ras
EC4RAS develops innovative land-based Recirculating Aquaculture Systems (RAS) using a unique Hybrid Electro-Chemical process to enhance sustainable seafood production. Their technology aims to transform global aquaculture by providing efficient, bio-secure, and environmentally friendly solutions that support food security and ESG targets.
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fish n' greens
Fish n' Greens is a pioneering project in Portugal that leverages nature-based, modular technology (SWIMSâ„¢) to establish commercially viable aquaponic units near cities. They are redefining urban food production with a closed-loop system that fosters the sustainable co-existence of fish and plant cultivation.

eazy chain
Eazy Chain is a maritime startup that tackles slow cargo movement in West Africa. They offer a two-pronged solution: efficient feeder vessels delivering containers directly to smaller ports, and a user-friendly digital platform for booking and tracking.
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algaesys
Portuguese Algaesys provides a unique water, nutrient and energy recovering system that utilises algae, other natural phototrophic organisms and the power of the sun.
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exypno tech
ExypnoTech offers advanced fish farming solutions with their EyeFish device, using cameras and smart software for real-time monitoring of fish health and feeding. Their technology boosts productivity and sustainability in aquaculture, ensures food security and protect wild fish population.
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coldharbour tiles
Coldharbour Tiles is a luxury eco-tile brand developed by a German female founder, and the solution recycles plastics from fishing nets to manufacture floor- and wall tiles.
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vessel x
Vatoz is an autonomous marine vessel developed by a team in Turkey, that efficiently collects waste and monitors environmental parameters in coastal areas. It serves coastal communities and environmental agencies by providing real-time data and reducing pollution.

capture plastic
C Plastic aims at developing a solution to capture and convert plastic waste into credits for companies, promoting a circular economy and cleaner ecosystems. Their objective is to reduce marine and coastal pollution, empower local communities and support sustainable recycling practices.
