Earth Capital

Ace Aquatec is a technology company serving the aquaculture and marine industries. It develops and supplies environmentally accountable equipment, including acoustic marine mammal deterrents, in-water humane electrical fish stunning systems, biomass estimation using underwater three-dimensional cameras, and sea lice removal and destruction systems. The company aims to accelerate the adoption of responsible marine practices by combining data-enabled devices with welfare-focused technology, supporting safer, more sustainable fish farming and offshore operations. As a global supplier, it is headquartered in Dundee, Scotland, United Kingdom, with additional offices in Canada, serving customers worldwide.

Sustainable Energy Holdings Ltd ("SEHL") was formed by the merger of four of its portfolio companies, all of which produce low-carbon bioenergy. SEHL will boost performance by expanding the platform's asset base through a buy-and-build strategy that includes the acquisition and development of new plants as well as the improvement of existing assets.

Limelight Energy offers solar and energy solutions for self-sufficiency and renewable living.

Propelair is a UK-based manufacturer specializing in innovative toilet systems that prioritize water and energy conservation. Utilizing its patented POWA™ displaced air technology, Propelair's toilets achieve a powerful flush with only 1.5 litres of water, significantly lowering water consumption and associated energy costs. This advanced design not only enhances drainage and reduces sewage but also minimizes maintenance needs, making it a hygienic alternative to conventional toilets. The company’s products demonstrate notable environmental benefits, achieving an average reduction of 80 percent in carbon footprint and exceeding various sustainability standards, including BREEAM and the Code for Sustainable Homes. Propelair aims to provide a more efficient and eco-friendly solution to modern sanitation challenges.

SoftIron designs and manufactures data center appliances and software-defined storage solutions. Its HyperDrive product is a Ceph-based software-defined storage appliance, Hypercast provides real-time and file-based video streaming solutions, and OverDrive 1000 and OverDrive 3000 are servers for development and enterprise use on 64-bit architectures. The appliances aim to reduce upfront capital costs and vendor lock-in while serving scale-out data centers, private and public cloud environments, and enterprise facilities. Founded in 2012 and based in London, SoftIron markets its offerings to data centers and media workloads, delivering integrated hardware and software for storage, networking, cloud management, and transcoding workflows.

Propelair is a UK-based manufacturer specializing in innovative toilet systems that prioritize water and energy conservation. Utilizing its patented POWA™ displaced air technology, Propelair's toilets achieve a powerful flush with only 1.5 litres of water, significantly lowering water consumption and associated energy costs. This advanced design not only enhances drainage and reduces sewage but also minimizes maintenance needs, making it a hygienic alternative to conventional toilets. The company’s products demonstrate notable environmental benefits, achieving an average reduction of 80 percent in carbon footprint and exceeding various sustainability standards, including BREEAM and the Code for Sustainable Homes. Propelair aims to provide a more efficient and eco-friendly solution to modern sanitation challenges.

SoftIron designs and manufactures data center appliances and software-defined storage solutions. Its HyperDrive product is a Ceph-based software-defined storage appliance, Hypercast provides real-time and file-based video streaming solutions, and OverDrive 1000 and OverDrive 3000 are servers for development and enterprise use on 64-bit architectures. The appliances aim to reduce upfront capital costs and vendor lock-in while serving scale-out data centers, private and public cloud environments, and enterprise facilities. Founded in 2012 and based in London, SoftIron markets its offerings to data centers and media workloads, delivering integrated hardware and software for storage, networking, cloud management, and transcoding workflows.

Arvia Technology specializes in advanced wastewater treatment systems. Its core product is the Organics Destruction Cell (ODC), which combines adsorption and advanced oxidation to remove hard chemical oxygen demand, color, and organic micro-pollutants from water. This enables industries such as chemicals, food and beverage, pharmaceuticals, and utilities to comply with discharge regulations or reuse treated water. Arvia's technology is designed for minimal maintenance and does not produce secondary waste.