Saudi Aramco
Saudi Aramco is the national oil company of Saudi Arabia and the world's largest producer of oil and gas, with exclusive rights to explore, produce, and refine hydrocarbons. It maintains a global footprint across refining, chemicals, and downstream operations, supported by extensive procurement, engineering, research, IT, finance, legal, HR, and public relations services. The company operates through a broad network of affiliates and international offices to supply energy to markets worldwide and optimize production, efficiency, and value across upstream and downstream activities. Its operations span Europe, Asia, the Middle East, Africa, and the Americas, with substantial refining capacity and a large chemical manufacturing portfolio. Aramco engages in venture investing through its corporate arms to back technologies in areas such as sustainability, digitalization, and energy efficiency that complement its core energy business. The company emphasizes reliability and scale, balancing traditional hydrocarbon leadership with efforts in technology, efficiency, and global energy development.
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Past deals in GreenTech
Ucaneo
Seed Round in 2025
Ucaneo is a technology company specializing in carbon removal. It develops innovative air capture systems designed to efficiently separate and convert carbon dioxide into stable bicarbonates, supporting industrial-scale greenhouse gas mitigation.
Spiritus
Series A in 2025
Spiritus is a climate technology company specializing in direct-air-capture systems. Its innovative approach combines the Spiritus Sorbent and Carbon Orchard, offering a scalable, modular solution for low-cost carbon dioxide removal and sequestration.
Hyde Hydrogen Energy
Venture Round in 2024
Hyde Hydrogen Energy is a green hydrogen industry company, focusing on carbon neutrality, providing advanced products and digital platform services for global new energy applications.
Hydrogen Mem-Tech
Venture Round in 2024
Hydrogen Mem-Tech develops palladium membrane technology for hydrogen separation and carbon capture. The system enables clean hydrogen production with low maintenance and a smaller environmental footprint, suitable for refineries, bio-refineries, chemical plants, steel production, power generation, gas networks and agriculture, helping customers pursue zero-emission energy options and a competitive advantage.
Utility Global
Series C in 2024
Utility Global, Inc. is a technology company based in Provo, Utah, founded in 2018. It specializes in the design and development of innovative solutions for manufacturing, sensing, control, and nanotechnology, with a focus on its proprietary gas production technology known as eXERO™. This technology features a unique reactor that converts variable industrial process gases into high-purity hydrogen and a concentrated CO2 stream, facilitating on-site carbon capture without requiring electricity. The hydrogen produced can be utilized as a replacement for coke in steelmaking, while the high purity of the CO2 stream simplifies and reduces the costs associated with carbon capture. Through its advancements, Utility Global aims to contribute to a low-carbon future and support the decarbonization of the steel industry.
Promethean Particles
Series A in 2024
Promethean Particles designs, develops, and manufactures inorganic nanoparticle dispersions for industrial applications, offering tailor-made solutions based on customer specifications. The company employs continuous hydrothermal synthesis to produce optimized dispersions and operates a multi-ton scale manufacturing capability of more than 1,000 tons per year. It serves sectors including printed electronics, nanocomposites, catalysts, metal-organic frameworks, healthcare, and green energy, and provides feasibility studies to tailor solutions to specific requirements. Founded in 2007 and based in Nottingham, United Kingdom, Promethean Particles combines proprietary processes with flexible, bespoke production to meet diverse industrial needs.
GraphEnergyTech
Pre Seed Round in 2024
GraphEnergyTech is a company dedicated to advancing solar energy technology through the innovative use of graphene. It has developed and patented a unique approach to integrate graphene electrodes into solar cells, which allows for the replacement of silver and other precious metals. This technology not only reduces production costs but also enhances the efficiency and reliability of solar photovoltaic systems. By focusing on high-conductivity graphene, GraphEnergyTech aims to lower the environmental impact associated with solar cell manufacturing, particularly for perovskite and silicon solar cells. The company's innovations position it as a key player in the renewable energy sector, enabling industrial manufacturers to adopt more cost-effective and efficient solar solutions.
Dendra Systems
Series B in 2024
Dendra Systems is an environmental technology company focused on restoring natural ecosystems globally. It develops tools and capabilities to power scalable ecosystem restoration, combining data analytics and automation to support restoration and reporting requirements for enterprises. The company addresses degraded land worldwide where restoration has lagged behind habitat destruction, offering an integrated approach that helps organizations plan, monitor, and execute restoration projects. By providing technology that enables data-driven decisions and automation, Dendra Systems aims to improve the efficiency and scale of restoration efforts, contributing to rebalancing human impact on the natural world.
Parallel Carbon
Seed Round in 2024
Parallel Carbon develops a hardware platform for a post-fossil-fuel economy by combining direct air capture of carbon dioxide with clean hydrogen production. The company designs technologies to remove CO2 from the atmosphere while producing hydrogen, including carbon-negative hydrogen via integrated water electrolysis and DAC processes. Its approach aims to offer a scalable and affordable pathway to carbon removal that reduces the cost of achieving net-zero emissions and enables industries to decarbonize using renewable power. By pairing DAC with electrolysis, the company seeks to operate with intermittent electricity and better utilize low-cost renewables, lowering capital costs and expanding deployment of carbon removal and hydrogen production at scale.
Pulsora
Series A in 2023
Pulsora is an enterprise software company based in San Francisco, California. It specializes in Environmental, Social, and Governance (ESG) management solutions, offering a SaaS platform that provides deep analytics and customizable frameworks to help businesses track and improve their ESG footprint.
Spiritus
Series A in 2023
Spiritus is a climate technology company specializing in direct-air-capture systems. Its innovative approach combines the Spiritus Sorbent and Carbon Orchard, offering a scalable, modular solution for low-cost carbon dioxide removal and sequestration.
Boston Metal
Series C in 2023
Boston Metal is a metallurgy company specializing in reducing the carbon footprint of steel production. It offers industrial-scale solutions using its Molten Oxide Electrolysis (MOE) process, enabling greener and more efficient metal production.
OxCCU
Series A in 2023
OxCCU develops renewable energy technology to enable a circular economy for fuels, chemicals, and plastics. The technology combines carbon dioxide from the atmosphere with hydrogen from water and renewable electricity to produce fuels, chemicals, and biodegradable plastics and is positioned to deliver the lowest-cost Power to Liquids pathway.
HT Materials Science
Series A in 2023
HT Materials Science is a developer and manufacturer of nanoparticle-based heat transfer fluids and related cooling and heating solutions. The company commercializes sub-micron Maxwell 2020 technology designed as a drop-in additive for heating and for use in new or existing cooling systems, delivering enhanced heat transfer and lower energy consumption in commercial and industrial settings. Its products target chillers, heat pumps and other water-based HVAC systems, as well as chemical, food, and pharmaceutical processing and power generation applications, enabling lower energy costs, improved equipment performance and reduced carbon emissions. HT Materials Science also offers energy-saving components such as fan coils, air handling units, system pumps and supply fans that can operate at lower power without compromising comfort. Founded in 2018 and based in Dublin, Ireland, the company focuses on energy efficiency through nanoparticle-enabled fluids across commercial and industrial markets.
Data Gumbo
Series C in 2022
Data Gumbo provides a blockchain-based smart contract platform that links real-time IoT sensor data with operational information to automate performance-based transactions. The platform operates as a blockchain-as-a-service solution, collecting and standardizing data for smart contract algorithms and enabling automatic execution on configurable schedules. It serves enterprises globally, including oil and gas supply chains, and aims to reduce payment delays, disputes, and complex reconciliations by integrating real-time data, APIs, and distributed ledger technology. Beyond transactional automation, the company offers sustainability measurement tools that tie operational data to ESG standards, helping reduce contract leakage, free up working capital, and improve cash flow and visibility. The result is streamlined operations, greater accountability, and provenance across complex industrial networks.
Clarke Valve
Series D in 2022
Founded in 2011, Clarke Valve specializes in developing energy-saving shutter valves designed for diverse industrial and aerospace applications. Its valves offer a unique combination of features such as zero pressure drop, precise flow control, low noise, thin footprint, and long-term reliability, enabling efficient use in challenging applications across power plants, oil and gas facilities, and chemical plants.
Hydrogen Mem-Tech
Venture Round in 2022
Hydrogen Mem-Tech develops palladium membrane technology for hydrogen separation and carbon capture. The system enables clean hydrogen production with low maintenance and a smaller environmental footprint, suitable for refineries, bio-refineries, chemical plants, steel production, power generation, gas networks and agriculture, helping customers pursue zero-emission energy options and a competitive advantage.
Daphne Technology
Series B in 2021
Daphne Technology SA is a climate technology company based in Ecublens, Switzerland, founded in 2017. The company specializes in catalyst-free, nano-technology solutions designed to help the petrochemical, power, and transportation industries significantly reduce air emissions in accordance with international and national regulations. Its patented technology effectively breaks down toxic pollutants, converting them into non-hazardous elements or valuable by-products. This miniaturized solution is particularly well-suited for marine vessels and offers a cost-effective alternative to existing technologies by lowering both capital and operational costs without necessitating a switch in fuel sources. As a result, Daphne Technology addresses environmental challenges by enabling a cleaner and more sustainable approach to emissions management across various sectors.
HT Materials Science
Series A in 2021
HT Materials Science is a developer and manufacturer of nanoparticle-based heat transfer fluids and related cooling and heating solutions. The company commercializes sub-micron Maxwell 2020 technology designed as a drop-in additive for heating and for use in new or existing cooling systems, delivering enhanced heat transfer and lower energy consumption in commercial and industrial settings. Its products target chillers, heat pumps and other water-based HVAC systems, as well as chemical, food, and pharmaceutical processing and power generation applications, enabling lower energy costs, improved equipment performance and reduced carbon emissions. HT Materials Science also offers energy-saving components such as fan coils, air handling units, system pumps and supply fans that can operate at lower power without compromising comfort. Founded in 2018 and based in Dublin, Ireland, the company focuses on energy efficiency through nanoparticle-enabled fluids across commercial and industrial markets.
Data Gumbo
Series B in 2021
Data Gumbo provides a blockchain-based smart contract platform that links real-time IoT sensor data with operational information to automate performance-based transactions. The platform operates as a blockchain-as-a-service solution, collecting and standardizing data for smart contract algorithms and enabling automatic execution on configurable schedules. It serves enterprises globally, including oil and gas supply chains, and aims to reduce payment delays, disputes, and complex reconciliations by integrating real-time data, APIs, and distributed ledger technology. Beyond transactional automation, the company offers sustainability measurement tools that tie operational data to ESG standards, helping reduce contract leakage, free up working capital, and improve cash flow and visibility. The result is streamlined operations, greater accountability, and provenance across complex industrial networks.
Utility Global
Venture Round in 2021
Utility Global, Inc. is a technology company based in Provo, Utah, founded in 2018. It specializes in the design and development of innovative solutions for manufacturing, sensing, control, and nanotechnology, with a focus on its proprietary gas production technology known as eXERO™. This technology features a unique reactor that converts variable industrial process gases into high-purity hydrogen and a concentrated CO2 stream, facilitating on-site carbon capture without requiring electricity. The hydrogen produced can be utilized as a replacement for coke in steelmaking, while the high purity of the CO2 stream simplifies and reduces the costs associated with carbon capture. Through its advancements, Utility Global aims to contribute to a low-carbon future and support the decarbonization of the steel industry.
Data Gumbo
Series B in 2020
Data Gumbo provides a blockchain-based smart contract platform that links real-time IoT sensor data with operational information to automate performance-based transactions. The platform operates as a blockchain-as-a-service solution, collecting and standardizing data for smart contract algorithms and enabling automatic execution on configurable schedules. It serves enterprises globally, including oil and gas supply chains, and aims to reduce payment delays, disputes, and complex reconciliations by integrating real-time data, APIs, and distributed ledger technology. Beyond transactional automation, the company offers sustainability measurement tools that tie operational data to ESG standards, helping reduce contract leakage, free up working capital, and improve cash flow and visibility. The result is streamlined operations, greater accountability, and provenance across complex industrial networks.
Data Gumbo
Series A in 2019
Data Gumbo provides a blockchain-based smart contract platform that links real-time IoT sensor data with operational information to automate performance-based transactions. The platform operates as a blockchain-as-a-service solution, collecting and standardizing data for smart contract algorithms and enabling automatic execution on configurable schedules. It serves enterprises globally, including oil and gas supply chains, and aims to reduce payment delays, disputes, and complex reconciliations by integrating real-time data, APIs, and distributed ledger technology. Beyond transactional automation, the company offers sustainability measurement tools that tie operational data to ESG standards, helping reduce contract leakage, free up working capital, and improve cash flow and visibility. The result is streamlined operations, greater accountability, and provenance across complex industrial networks.
Daphne Technology
Series A in 2019
Daphne Technology SA is a climate technology company based in Ecublens, Switzerland, founded in 2017. The company specializes in catalyst-free, nano-technology solutions designed to help the petrochemical, power, and transportation industries significantly reduce air emissions in accordance with international and national regulations. Its patented technology effectively breaks down toxic pollutants, converting them into non-hazardous elements or valuable by-products. This miniaturized solution is particularly well-suited for marine vessels and offers a cost-effective alternative to existing technologies by lowering both capital and operational costs without necessitating a switch in fuel sources. As a result, Daphne Technology addresses environmental challenges by enabling a cleaner and more sustainable approach to emissions management across various sectors.
Upside Business Travel
Series B in 2018
Founded in 2015, Upside Business Travel specializes in travel management for small and mid-sized companies. It offers a platform combining tools and support to streamline business travel.
Clarke Valve
Series B in 2018
Founded in 2011, Clarke Valve specializes in developing energy-saving shutter valves designed for diverse industrial and aerospace applications. Its valves offer a unique combination of features such as zero pressure drop, precise flow control, low noise, thin footprint, and long-term reliability, enabling efficient use in challenging applications across power plants, oil and gas facilities, and chemical plants.
Form Energy
Series A in 2018
Form Energy, Inc. is a company focused on developing long-duration energy storage systems aimed at transforming the electric grid by enabling the reliable use of renewable energy sources such as wind and solar. Established in 2017 and based in Somerville, Massachusetts, Form Energy is known for its innovative iron-air battery technology, which allows for the storage of electricity over extended periods, making renewable energy more dispatchable throughout the year. This technology not only helps to replace conventional fossil fuel-based generation but also enhances transmission capacity without the need for new infrastructure. By facilitating deep decarbonization of the electric system, Form Energy plays a significant role in reducing carbon emissions and promoting a sustainable energy future.
Clarke Valve
Series B in 2018
Founded in 2011, Clarke Valve specializes in developing energy-saving shutter valves designed for diverse industrial and aerospace applications. Its valves offer a unique combination of features such as zero pressure drop, precise flow control, low noise, thin footprint, and long-term reliability, enabling efficient use in challenging applications across power plants, oil and gas facilities, and chemical plants.
ConXtech
Series D in 2015
ConXtech specializes in modular building systems using structural steel chassis. It offers customizable, prefabricated structures for high-density residential, commercial, healthcare, institutional, and industrial projects. The company's innovative connectors enable mass-customization of precise structural frames, reducing construction time and costs.
Novomer
Venture Round in 2013
Novomer is a materials company based in Waltham, Massachusetts, founded in 2004. The company specializes in developing high-performance green plastics, polymers, and other chemicals using proprietary catalytic technology. This technology enables the cost-effective transformation of carbon dioxide and other renewable materials into various industrial products. By combining traditional chemical feedstocks with carbon dioxide or carbon monoxide, Novomer aims to create sustainable chemicals and materials for diverse applications, contributing to efforts in mitigating global warming and climate change.
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