Top Greentech Companies in London (66)
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...
Perk's Top Stability & Growth Strengths
Strong Revenue Growth: Company disclosures cite strong year-over-year revenue growth in 2025 with annualized revenue surpassing $300M, and later coverage describes revenue nearing $400M annualized in 2026. This points to rapid scaling from 2023 through 2026.
Investor Backing & Capital Strength: Recent financings include a $200M Series E at a $2.7B valuation and a $300M private credit facility, with third-party trackers noting over $1B raised across multiple rounds. This capital base is positioned to fund continued product and geographic expansion.
Market Expansion: The company launched its Spend product in the U.S. and indicated the market already represents a substantial share of new business, while also opening new international locations. These moves signal broadening global reach and demand.
CDP is a global non-profit that runs the world's only independent environmental disclosure system for companies, capital markets, cities, states and regions to manage their environmental impacts.
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.
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...
L-Charge provides cutting-edge electric vehicle charging solutions for commercial use, specializing in off-grid charging and Charging as a Service (CaaS). They offer safe, reliable, and scalable EV charger solutions for specialized fleets, such as school bus depots, enabling fast deployment without dependence on utility upgrades. Their units, manufactured in California, comply with EPA, CARB, and SCAQMD emissions standards to ensure...
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...
Mission Zero Technologies is a UK climate-technology company developing versatile direct-air-capture (DAC) systems. Its technology is designed to remove historic carbon-dioxide emissions from the atmosphere, with deployment intended to be possible anywhere and at any scale. The company has progressed its technology from concept toward pilot-plant scale and raised more than £8 million to advance development, focusing on practical and...
Carbon Re is an industrial AI company that develops a cloud-based platform to achieve operational efficiencies and reduce carbon emissions in manufacturing. Their AI technology focuses on decarbonisation solutions for sectors like cement, steel, and glass, aiming for zero-carbon materials and significant fuel efficiencies.
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.
TerraCycle is Eliminating the Idea of Waste®, which we do in several ways. We develop ways to make things that are typically non-recyclable nationally recyclable. In our research, we have found that few things are beyond recycling, and have found solutions for chewing gum, cigarette butts, and even dirty diapers. We integrate recycled materials into new products, such as working with...
ENGIE North America is on a mission to shape a sustainable future built on clean, affordable, resilient energy and the infrastructure that supports it.
ENGIE North America's Top Stability & Growth Strengths
Strong Market Position & Advantage: Feedback suggests ENGIE North America holds leadership-tier positions in key niches, including one of the largest U.S. BESS fleets and recognition as the top global corporate seller of clean PPAs. Evidence indicates it also ranked among the top 10 U.S. clean power owners and was the #4 developer for 2023 additions.
Market Expansion: Feedback suggests the company is scaling rapidly across North America, with 11+ GW in operation or under construction and 8.5 GW under construction across more than 100 projects. Evidence indicates recent completions and new starts in Texas and Illinois underscore continued geographic and project-level expansion.
Strategic Partnerships: Feedback suggests growth is reinforced by significant partnerships and acquisitions, including multi‑GW collaborations with Ares and a 2.4 GW BESS program with CBRE Investment Management. Evidence indicates acquisitions like Broad Reach Power and Belltown Power expanded operating capacity and pipeline depth, particularly in storage.
At British Gas we’re always looking at new ways to save energy and money for our customers. Everything we do from our trusted engineers to helpful call centre agents, and innovative product owners to digital marketing specialists, is about providing affordable, hassle-free service to keep British homes and businesses running smoothly. That’s why over 10 million UK homes and half...
The World Resources Institute is a global research organization that works to improve people's lives, protect nature, and stabilize the climate by conducting research and informing policy.
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...
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...
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...
EDF Renewable Energy's Top Stability & Growth Strengths
Strong Market Position & Advantage: The company is widely viewed as a top‑tier U.S. developer/IPP and regularly commissions multi‑hundred‑MW wind, solar, and storage projects with a North American portfolio in the tens of gigawatts. A long‑running presence across technologies and a sizable O&M/asset‑optimization platform reinforce its positioning.
Investor Backing & Capital Strength: As the renewables arm of France’s EDF Group, it benefits from a strong balance sheet, procurement leverage, and global experience. Recent multi‑year equipment procurement, equity co‑investment, and project‑level financing underscore bankability and access to capital.
Resilient & Sustainable Growth: Large U.S. projects reached commercial operation in late 2024 (e.g., Fox Squirrel Solar, Morris Ridge, Desert Quartzite solar‑plus‑storage) alongside gigawatt‑scale annual placements. Group disclosures cite EDF Renewables’ EBITDA up ~49% in 2024 with 3.2 GW commissioned, indicating durable expansion.
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.
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...
In an era where the world is rapidly advancing towards a cleaner future through decarbonization, Energy Exemplar’s mission lies in ‘Empowering Transformative Energy Decisions’?☀️? Founded in 1999 in Adelaide, Australia, our award-winning software portfolio encompassing the modeling and simulation platform PLEXOS®, Aurora, and Adapt2, is trusted by innovative organizations across the globe. Through our technology and people, we strive to...
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...
