Top London Greentech Companies (29)

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...

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...

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'.

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. 

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.

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...

Building novel solutions for clean air, water and energy with AI. Let's keep Earth our home forever. From sustainable fuels, to carbon capture, to harmful chemical removal from the environment, Orbital Materials develops and commercialises technologies that keep earth our home forever. At the core of our company is a foundation model for atoms, built by world experts in generative...

ZELP is an agricultural technology company committed to creating a sustainable future for agriculture. Our first focus is to measure and reduce methane emissions in the livestock industry, whilst supporting livelihoods, food security and animal welfare. Today, 1.3 billion people rely on the livestock industry for their livelihoods and their food and nutrition security. However, it is the single biggest...

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...

The mission of Kiri is to accelerate the adoption of sustainable behaviours. Kiri drastically changes the approach to sustainability by creating a community of forward-thinking consumers and brands, willing to take action together to make the world more sustainable. The Kiri solutions incentivise individuals and brands to behave sustainably, establishing a synergic system in which acting green becomes easy and...

Kita | We Insure Carbon. Kita is the carbon insurance specialist. Our mission is to enable high-quality carbon projects to scale by offering a portfolio of insurance products that reduce carbon risk. Reduced risk in carbon credit transactions leads to greater flows of upfront capital and accelerates the pace of positive climate impact. Kita is a coverholder at Lloyd’s of London...

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.

We are a sustainable packaging start-up. Ooho and our other packaging solutions are made from Notpla, a revolutionary material made from seaweed and plants that biodegrades in weeks, naturally. 🌱 We have created unique machines and materials to package your products in the most sustainable way.

ENGIE North America is on a mission to shape a sustainable future built on clean, affordable, resilient energy and the infrastructure that supports it.

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...

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,...

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,...

Isometric is a carbon removal standard and registry.

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...