Climate Tech Startups

SugaROx develops biostimulants based on precision molecules that boost plant metabolism to increase crop yields for farmers. The tank-mix sprayable products target grain crops with the aim of raising food production sustainably.

2 investors

Sumday provides an all-in-one workspace for carbon accounting, sustainability business cases, and AI-supported procurement and project management. It serves organisations aiming to measure and reduce the impact of their decisions on people and the environment while improving governance.

2 investors

Sun Bear Biofuture uses precision fermentation and biotechnology to produce naturally derived fats and oils as alternatives to cocoa butter, palm oil, and high-value cosmetics ingredients. Its products are aimed at food and cosmetics manufacturers seeking to avoid the supply chain and environmental impacts of tropical vegetable oils.

2 investors

2 investors

SunGreen makes nanoengineered electrodes, porous transport layers and stacks using its NanoFuzeX platform, which fuses catalyst into a porous metal substrate without a polymer binder or platinum-group metals. It sells finished electrodes and stacks, licenses its technology and stack designs to manufacturers, and offers toll manufacturing and materials testing, with green hydrogen (AEM electrolysis) as its initial market and applications across other electrochemical sectors.

2 investors

Sympower operates a platform providing demand response and energy flexibility services that help balance national electricity grids across European markets. It enables businesses to optimize energy usage and earn revenue while supporting the energy transition.

2 investors

SYNOVA licenses and supplies proprietary technologies for molecular recycling of mixed plastic waste into base chemicals such as olefins and styrene, which can be used to produce new plastics with virgin quality. The company's waste-to-olefins process operates at conditions similar to conventional steam crackers and offers higher yields at lower costs compared to alternative plastic recycling options.

2 investors

Syre is a textile impact company that produces circular polyester through textile-to-textile recycling, offering quality on par with virgin polyester while reducing CO2e emissions by up to 85%. It serves the global textile and fashion industry as a supplier of recycled polyester materials produced at industrial scale.

2 investors

Systemiq Capital is a venture capital firm backing founders building companies in electrification, decoding nature, and applied AI, focusing on systems transformation in the physical economy. The firm invests at Series A and beyond across the UK, Europe, and the US.

2 investors

Tandem is a UK-regulated bank offering app-based savings products, including Cash ISAs and savings accounts, whose deposits fund greener lending such as home energy-efficiency upgrades, solar panels, and low-emission vehicles. It also provides mortgages and loans with rate discounts tied to energy-efficient homes and vehicles, distributed through brokers and partners.</parameter> <parameter name="founders">[]

2 investors

TDRI develops Time-Domain Reflectometry (TDR) technology for real-time moisture monitoring in road infrastructure and construction. The company provides data-driven solutions to help infrastructure developers and government agencies optimize maintenance, extend asset lifespan, and reduce environmental impact.

2 investors

Telegraph provides a digital platform for freight rail logistics that simplifies booking and access to rail transportation for businesses. The platform aims to reduce highway congestion, transportation costs, and greenhouse emissions by offering freight rail services in a transparent and user-friendly manner.

2 investors

Ten Lives produces sustainable protein-based cat snacks and food made through fermentation instead of animal farming, reducing environmental impact and animal harm. The company targets cat owners seeking healthier, environmentally responsible pet nutrition alternatives.

2 investors

TerraFixing is a climate infrastructure company building modular Direct Air Capture units that capture and purify CO₂ directly from the atmosphere, designed to operate in cold Far North climates. The high-purity CO₂ output serves as a localized CO₂ supply while enabling large-scale carbon removal infrastructure.

2 investors

Terraformation restores native tropical forests on degraded land by supporting local communities and forestry teams, aiming to slow climate change and boost biodiversity. It focuses on large-scale native forest restoration and ecosystem renewal.

2 investors

Terranova uses terraforming robots to raise and reshape land in flood-prone regions, enabling construction of housing, commercial, and industrial projects with rapid consolidation. The company targets developers and property owners seeking faster, more cost-effective alternatives to traditional flood mitigation solutions.

2 investors

TerraPower develops advanced nuclear reactors and related technologies to generate carbon-free electricity and heat for industrial decarbonization, while also producing radioisotopes for medical cancer treatments. The company addresses climate change and energy security through innovative nuclear technology.

2 investors

Terraton offers a full-stack biochar platform that helps agribusinesses convert agricultural waste into biochar, providing financing, vetted equipment, facility management software, and handling of carbon credit certification and sales. It also sells verified carbon removal credits to buyers.

2 investors

Velostics is a SaaS platform that optimizes logistics and transportation operations through intelligent scheduling and resource allocation. It serves shippers and receivers to improve safety, reduce emissions, and enable growth in logistics operations.

2 investors

TheStorage builds sand-based thermal energy storage that converts renewable electricity into high-temperature heat and releases it as constant heat or steam to power industrial processes. The system targets industrial customers seeking to decarbonize heat processes and reduce energy costs, with a pilot plant operating at a brewery in Nokia, Finland.

2 investors

Third Sphere is an early-stage venture capital firm that invests capital to upgrade systems in underserved sectors such as infrastructure and supply chains, with a focus on climate and broader societal responsibility. It partners with climatech founders and works alongside corporate venture investors.

2 investors

Three Wheels United provides financing and mobility solutions for three-wheelers, serving commercial transportation operators in India. The company operates as both a financial services firm and an EV mobility platform.

2 investors

Thrust Carbon provides software for corporate travel programmes to measure, forecast, and reduce carbon emissions and costs, including an EngageAI behavioural nudging tool, an ISO 14083-assured emissions calculator, and advisory services. It serves enterprises and travel managers seeking to cut business travel emissions and build net-zero strategies.

2 investors

Timefold builds AI-powered scheduling and operational planning software, delivered as APIs, that generates optimized, transparent, and adaptable schedules for teams managing workforce and field operations. Its optimization technology provides visible constraints and decision breakdowns so users can understand and adjust the plans.

2 investors