HAX is a venture capital program focused on accelerating hardware startups, operating from San Francisco and Shenzhen. Established in 2012, HAX provides founders with essential resources to rapidly prototype and iterate their products, encompassing physical models, technology developments, user interaction studies, and comprehensive business plans. The program supports accepted teams through a combination of full-time staff, mentors, and a vibrant startup community, emphasizing the development of scalable business strategies. Once products are ready for market introduction, teams transition to San Francisco, where HAX assists with business development, fundraising, and establishing critical partnerships. The program includes specialized initiatives such as HAX Growth, a 7-week bootcamp for launching B2C and B2B hardware startups, and HAX Boost, which helps teams refine their sales and marketing strategies while preparing for growth. HAX is part of SOSV, a global venture capital firm with a diverse portfolio, focusing on technology startups that aim to create meaningful innovations.
Brightwater Tools, a woman-led, sustainable sanitation start-up, based in Vermont, has developed a unique building-scale wastewater nutrient recovery system. Essentially, it takes source separated high strength wastewater and recycles it into natural, nutrient rich fertilizer. In addition, it reduces nutrients that go into waterways which create harmful algal blooms. Within this building-scale wastewater nutrient recovery system, Brightwater Tools has also created three proprietary pieces of equipment that will facilitate the transition needed in our built environment, focusing on basic wastewater processes such as pasteurization, concentration, filtration, and nutrient recovery. Each part can be sold individually or together. Addressing the value propositions of each, we will become a major equipment provider to this industry. With the circular approach of recycling and nutrient recovery, we are confident that a strong customer base for our products is on the horizon as we complete our prototype and beta testing.
Danu Robotics
Seed Round in 2024
Danu Robotics is a company focused on creating innovative artificial intelligence and robotic technologies aimed at enhancing the recycling and waste management sector. Comprising a team of dedicated scientists and engineers, Danu Robotics is committed to developing advanced and sustainable solutions that promote environmental benefits. Their technology is designed to improve recycling efficiency, enabling users to manage waste more effectively and contribute to a cleaner environment.
Cool Amps Corp.
Seed Round in 2023
Cool Amps has developed a novel (Patent Pending) electrochemical process to extract component metals from end-of-use lithium-ion battery products. The process reclaims target metals in quantities >95%.Avoids Shredding & Smelting Batteries into “Black Mass” Environmentally Friendly— No Harsh Chemicals or Extreme Heat, Small Footprint— Process Can be Co-located with Battery Manufacturers, Direct Recycling— Ideal to reclaim manufacturing “scraps”. The Cool Amps electrochemical process is a direct recycling method. The method avoids additional processing steps used in hydro/pyro metallurgy resulting in less energy use and lower GHG emissions per 1 kg of batteries produced.
Amatec
Pre Seed Round in 2023
Amatec is an advanced materials company developing innovative construction solutions for the global housing and infrastructure sectors. Our flagship technology transforms industrial gypsum waste into fast-curing, high-strength, and low-carbon alternative concrete — enabling faster, greener, and more cost-effective construction. Amatec’s primary focus is on building a network of Microfactories: compact, modular production units capable of manufacturing high-quality precast housing panels and components. By leveraging phosphogypsum hemihydrate as a core raw material, Amatec helps industries repurpose mineral waste into sustainable building materials, significantly reducing environmental impact. Amatec's solutions are designed for scalability, automation, and rapid deployment, making them ideal for addressing major housing needs in the United States and elsewhere. The company is currently piloting its first microfactory and phosphogypsum processing lines in partnership with major industrial players.
Green Li-ion
Series B in 2023
Green Li-ion is a technology company based in Singapore, founded in 2020, that specializes in the recycling of lithium-ion batteries. Its patented multi-cathode technology addresses inefficiencies in traditional battery recycling methods, enabling the rejuvenation of battery cathodes. This innovation not only enhances the purity of the output but also allows lithium-ion batteries to be reused effectively, extending their lifespan without compromising efficiency. By offering a cleaner and faster recycling process, Green Li-ion significantly improves profitability compared to existing methods, thereby mitigating risks to the precious metals industry and contributing positively to environmental sustainability.
MAA'VA
Seed Round in 2022
MAA'VA is focused on creating innovative green building materials designed to serve as sustainable alternatives to concrete. The company incorporates recycled plastics, utilizes carbon sequestration techniques, and promotes the upcycling of manufacturing waste. By addressing pressing issues such as the river sand shortage, water scarcity, climate change, and rapid urbanization, MAA'VA aims to provide eco-friendly solutions for construction. Its materials are suitable for both traditional and three-dimensional printing methods, enabling clients to adopt more sustainable practices in their building projects.
CleanRobotics
Series A in 2022
CleanRobotics has built an autonomous system, called TrashBot, that makes recycling affordable for businesses and profitable for recycling plants. Using robotics, computer vision, and artificial intelligence we detect and separate landfill waste from recyclables while gathering useful data for recyclers, reducing waste hauling costs for businesses, and replacing expensive waste receptacles.
Green Li-ion
Series A in 2022
Green Li-ion is a technology company based in Singapore, founded in 2020, that specializes in the recycling of lithium-ion batteries. Its patented multi-cathode technology addresses inefficiencies in traditional battery recycling methods, enabling the rejuvenation of battery cathodes. This innovation not only enhances the purity of the output but also allows lithium-ion batteries to be reused effectively, extending their lifespan without compromising efficiency. By offering a cleaner and faster recycling process, Green Li-ion significantly improves profitability compared to existing methods, thereby mitigating risks to the precious metals industry and contributing positively to environmental sustainability.
AntePlastics
Seed Round in 2021
AntePlastics eradicates plastic waste and its negative effects on the environment by providing plastic recycling methods. The company revolutionizes plastic recycling technology with its patented methods that can enable the delivery of 100% closed-loop recycling. This enables them to recycle plastics back to their original building blocks, which then can be reused to form plastics again. It was founded in 2021 in Singapore, Central Region.
Green Li-ion
Seed Round in 2021
Green Li-ion is a technology company based in Singapore, founded in 2020, that specializes in the recycling of lithium-ion batteries. Its patented multi-cathode technology addresses inefficiencies in traditional battery recycling methods, enabling the rejuvenation of battery cathodes. This innovation not only enhances the purity of the output but also allows lithium-ion batteries to be reused effectively, extending their lifespan without compromising efficiency. By offering a cleaner and faster recycling process, Green Li-ion significantly improves profitability compared to existing methods, thereby mitigating risks to the precious metals industry and contributing positively to environmental sustainability.
Shenzhen Oasis
Convertible Note in 2020
Shenzhen Oasis is a solution provider of waste paper recycling. Our solution is a network of machines that increases the efficiency of the recycling industry and empowers workers to gain access to market transparency and fair wages.
Shenzhen Oasis
Seed Round in 2019
Shenzhen Oasis is a solution provider of waste paper recycling. Our solution is a network of machines that increases the efficiency of the recycling industry and empowers workers to gain access to market transparency and fair wages.
Shenzhen Oasis
Angel Round in 2019
Shenzhen Oasis is a solution provider of waste paper recycling. Our solution is a network of machines that increases the efficiency of the recycling industry and empowers workers to gain access to market transparency and fair wages.
Wastack
Seed Round in 2018
Wastack is an environmental company based in Montreal, Canada, that specializes in automating operations within the waste industry to promote sustainable recycling practices. Founded in 2016, Wastack provides innovative solutions that analyze waste streams for transfer stations and landfills, assisting them in improving recycling rates and increasing revenue. The company develops camera software and devices capable of evaluating loads from various vehicles, including roll-off trucks and front-loaders, while also detecting contaminants. In 2024, Wastack was acquired by Dover Corp, a company based in the United States.
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