Top London Greentech Companies (30)

Perk (formerly TravelPerk) is the intelligent platform for travel and spend management. Built to tackle the time-consuming, manual work that gets in the way of real work, our tools automate everything from travel bookings to expenses, invoice processing, and more. By eliminating this shadow work that wastes hours, erodes morale, and saps innovation, we’re on a mission to power real...

Isometric is a carbon removal standard and registry.

Carbon Clean is an established global leader in industrial carbon capture solutions helping essential, but hard-to-abate, industries decarbonise. Our innovative solutions significantly reduce the costs and environmental impacts of carbon capture compared to conventional technologies. Technology to achieve 'net zero'.

Voluntary carbon offsetting is a critical part of a net zero plan, but getting offsetting wrong is a reputational liability. We help companies navigate the complexity of the voluntary carbon markets and build a credible and rigorous path to net zero. Together, we can scale carbon removal solutions to align corporate action to the 1.5°C Paris goal.

Zero100 is a leading intelligence company that helps senior business and operations executives make critical supply chain investment decisions. Zero100’s approach combines unique IP-led research and data, intimate executive-level events, personalized guidance, and access to an extensive community of influential thinkers and voices from within, and beyond, supply chain. 

Green Project is the leading carbon management platform for supply chain decarbonization. We empower companies, and their suppliers to move beyond reporting and take meaningful, measurable climate action. Trusted by 700+ organizations, including Microsoft and S&P, Green Project delivers financial-grade carbon accounting and deep Scope 3 engagement tools tailored for procurement and sustainability leaders. We enable suppliers to: calculate product-level carbon footprints...

Opna's vision is to unlock the needed capital for every high-quality climate project that addresses climate change with speed, scale, and equity. We offer a climate financing platform that empowers corporates to discover, finance, and manage pre-assessed carbon removal and reduction projects to accelerate the journey to net zero. Through offtakes and forward agreements, corporates can use Opna to deploy...

If you are operating a heat network, or planning a new heat network, then FairHeat can ensure that you get maximum efficiency from your heat networks while reducing operating and capital expenditures. Get in touch today and find out how we can make a difference.

The UK & Ireland's clean energy champion. We’re investing more than ever before in a cleaner, more affordable and more secure energy system. We are creating and supporting thousands of good jobs. We power change.

Your Waste. Our Problem. We offer on demand rubbish collection allowing individuals and businesses to dispose of their waste easily and ethically with 96% of all the waste we collect being recycled. Powered by our propriety technology and accessible through web or app we have been labelled the 'uber for rubbish' and have secured investment from some of Europe’s biggest VC’s. By...

Safi is the new era of TrueCircle. Since we launched in 2021 under the name TrueCircle, we have been on a mission to tackle recycling inefficiency by improving the way we buy and sell recyclables. Safi gives customers access to the best prices and instant expansion into global markets. Through Safi AI, sellers can prove their material quality and drive...

Levistor develops inherently safe flywheel technology to reduce the costs of high-power, short-duration energy storage. Our inherently safe flywheels require little containment and no safety enclosures or bunkering that flywheels traditionally require to protect people and property in the event of a mechanical fault. This brings down the cost and makes flywheels a viable technology for supply bursts of energy,...

RheEnergise is bringing fresh innovation to the world’s dominant form of storage: pumped hydro storage. We call our solution High-Density Hydro®. HD Hydro® uses our proprietary HD Fluid R-19 which has 2.5x the density of water. It is environmentally benign, non-toxic, non-corrosive, and non-reactive. R-19 gives RheEnergise projects 2.5x the power and 2.5x the energy when compared to water. Unlike...

Ingenie GreenTech delivers strategic sustainability solutions with a radically different approach to managing risks and environmental impact from Digital, Data, and AI. With several decades of technology, digital and data commercialisation ​expertise, we are driven to contain the ecological impact ​of the digital economy, while advancing its commercial and social benefits. Our mission is to assist enterprises in making ​environmentally...

EDF Renewables North America is a market leading independent power producer and service provider with 35 years of expertise in renewable energy. The Company delivers grid-scale power: wind (onshore and offshore), solar photovoltaic, and storage projects; distribution-scale power: solar and storage; asset optimization: technical, operational, and commercial expertise to maximize performance of generating projects, and onsite solutions, through the Company’s...

OVO Energy was founded in 2009 and redesigned the energy experience to be fair, effortless, green and simple for all customers. OVO is on a mission through its sustainability strategy Plan Zero to tackle the most important issue of our time; the climate crisis, by bringing our customers with us on the journey towards zero carbon living. OVO Energy has...

Founded in 2018, Mitiga Solutions provides climate risk intelligence that combines science, AI, and high-performance computing. We help our customers analyse, report, and act on their business exposure to climate risk through our self-serve platform EarthScan™ and our risk models. Our mission: Make the world a more resilient place under a changing climate. Mitiga is headquartered in Barcelona, Spain,...

Verifi is a global ClimateTech and ConstructionTech venture backed by Saint-Gobain, on a mission to transform how the world produces and delivers concrete — one of the planet’s most essential but carbon-intensive materials. Concrete touches every road, bridge, home, tunnel, and skyline. But for decades, the ready-mix industry has operated with limited data, high variability, and significant waste. Verifi changes that. We...

At AimHi Earth, we’re on a mission to ensure everyone understands the full picture of the climate and nature crisis, and is motivated to be a part of the solution. We do this by providing accessible and engaging live, online climate training and education, curated for people and organisations, backed by data and delivered at scale. Supported by Cambridge Zero (University of...

Pandas is a 360° Trade-in as a Service (TaaS) platform to unlock smarter phone upgrades and higher user retention. With Pandas new services, mobile network operators and retailers can provide seamless and enjoyable smartphone trade-ins to their customers. We are on a mission to reimagine trade-in programs with cutting-edge technology and behavioral science. We strive to help our customers achieve...