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...

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. 

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.

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.

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...

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.

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...

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...

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...

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...

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.

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...

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...

Envirosuite is a global leader in environmental intelligence, using proprietary technology and real-time localised data to help industries grow and communities thrive. Through a unique combination of science and technology, Envirosuite delivers flexible solutions to address challenges with air and water quality, and with noise and vibration, making the world a better place through improved environmental performance. Founded in Australia,...

In the UK, EQUANS is a provider of technical services, FM, regeneration and energy services – with specialist capabilities in smart buildings, green mobility, district & embedded energy and decentralised renewables. Equans’ 13,500 UK employees combine these activities to help businesses, public sector organisations and government to embrace the energy transition towards net zero, and also the digital & industrial...

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...

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...

SLUSH Top 20 2023 The exclusive platform for certified waste and recycling experts, ensuring credibility and reliability in every transaction. Why rely on social media and other platforms unfamiliar with the industry? Trust the professionals who understand your needs. Join us early in our journey and make the waste and recycling industry great!

SCB is a low carbon market leader providing bespoke solutions to help customers achieve their climate goals, carbon neutrality and net-zero commitments. With more than 17 years of experience in environmental markets, SCB supports the financing of high-integrity and quality emission reduction and removal projects globally. The company has a team of over 100 industry experts spread across multiple offices...

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