Best Energy Tech Companies in Cambridge, United Kingdom
The 40 best Energy Tech companies in Cambridge, United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Origami Energy.
Our analysis of 58 Energy Tech companies
$7.3b in tracked funding; 82% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Tech companies in Cambridge
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Origami Energy Provides software for managing distributed energy resources | $82M | 63 mo ago | 67 | 2013 | Gavin Stokes Managing Director | — | 51 patents Smart grid power distribution control and thermal load optimization systems | — |
| 2 | Nyobolt 🦄 Developer of battery technology for high-power, integrated energy systems 62Moat top 25%Funding top 28%Patents top 30%Innovation top 34% All 10 signals ▾Moattop 25% Fundingtop 28% Patentstop 30% Innovationtop 34% Growthtop 38% Techtop 40% Talentbottom 49% Marketbottom 47% Globalbottom 42% Newsbottom 21% Moat: Editorial + unicorn rating 8/10 · IP moat: 46 patents Funding: Raised $70.7M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) rank vs industry peers · Fliar Intelligence Index 62/100 | $71M | 3 mo ago | 54 54 → 127 (+135%) | 2019 | Clare Grey Co-Founder & CSO | WordPressMySQLMariaDB+33 | 46 patents Fast‑charging niobium‑oxide lithium‑ion batteries and associated high‑power control electronics | 2 partnerships |
| 3 | Telensa Developer of wireless solutions for smart city and smart lighting | $18M | 127 mo ago | 55 55 → 60 (+9%) | 2005 | Timothy Jackson Co-Founder | WordPressMySQLPHP+21 | 21 patents IoT mesh networking and smart lighting communication with NFC and data anonymization | — |
| 4 | Levidian Provider of solutions for hydrogen generation | $14M | 46 mo ago | 20 | 2012 | John Hartley CEO | Squarespace CommerceSquarespaceTypeScript+18 | — | 2 partnerships |
| 5 | H2Go Power Hydrogen generation and storage for use in fuel cells | $9M | 51 mo ago | 22 | 2014 | — | — | 38 patents Solid-state hydrogen storage devices and production methods for portable power applications | — |
| 6 | IQGeo Provider of enterprise software solutions for digital transformation | $7M | 69 mo ago | 102 | 2002 | Richard Petti CEO | HubSpot CMS HubApple iCloud MailMicrosoft 365+18 | — | 1 launch |
| 7 | PuriFire Energy Developer of hydrothermal treatment technology converting wastewater into green hydrogen and biomethanol | $6M | 24 mo ago | — | 2020 | Neel Shah Co-Founder & CEO | — | — | — |
| 8 | CyanConnode Provider of narrowband radio frequency mesh networks for IoT communications | $5M | 94 mo ago | 47 47 → 98 (+109%) | — | John Cronin Group CEO & Chairman CyanConnode India | WordPressMySQLPHP+19 | — | 1 partnership |
| 9 | geo Provider of energy monitoring systems for commercial and domestic environments | $5M | 63 mo ago | 66 | 2006 | Kuldeep Grover Founder | Cart FunctionalityWooCommerceWordPress+30 | — | — |
| 10 | Opus Materials Technologies Manufacturer of nanocoatings for solar panels | $5M | 105 mo ago | 3 | 2014 | — | — | — | — |
| 11 | Molyon Manufacturer of lithium-sulfur batteries for weight-critical applications | $5M | 21 mo ago | — | 2024 | Ismail Sami Co-Founder & CEO | Wix eCommerceWixSentry+11 | — | — |
| 12 | Byterat AI-based platform offering battery management solutions | $4M | 34 mo ago | 5 | 2021 | Penelope Jones Co-Founder & CEO | — | — | — |
| 13 | PuriFire Labs Technology for generating hydrogen from wastewater treatment | $4M | 24 mo ago | 2 | 2019 | Neel Shah Co-Founder & CEO | — | 10 patents Patents concentrated in chemistry & materials | — |
| 14 | Polysolar Manufactures BIPV | $3M | 73 mo ago | 7 | 2007 | — | SiteglidePlatformOSSalesforce+20 | 2 patents Advanced electrode configurations and manufacturing methods for photovoltaic modules | — |
| 15 | Andersen Manufacturer of electric vehicle charging points with installation and support | $3M | 74 mo ago | 24 24 → 44 (+83%) | 2015 | Jerome Faissat Co-Founder & CEO | ShopifyBootstrapVisa+37 | — | 1 award |
| 16 | xWatts Provider of energy management solutions for education, healthcare, industrial, and real estate 14Talent top 38%Funding top 44%Moat top 48%Tech bottom 45% All 6 signals ▾Talenttop 38% Fundingtop 44% Moattop 48% Techbottom 45% Globalbottom 37% Marketbottom 15% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Funding: Raised $2.7M across 4 rounds · 4 rounds over 3 yrs (1.3/yr) rank vs industry peers · Fliar Intelligence Index 14/100 | $3M | 6 mo ago | 2 | 2022 | Alexander Allen Co-Founder & CPO | WebflowGSAPHubSpot+14 | — | — |
| 17 | Zinergy Develops flexible printed batteries | $2M | 67 mo ago | 5 | 2015 | Dilek Ozgit Co-Founder | — | 11 patents Flexible thin‑film electrochemical cells and carbon‑enhanced battery electrodes for integrated packaging | — |
| 18 | Barocal Developer of solid-state barocaloric refrigeration technology. 19Growth top 45%Funding top 48%Talent bottom 49%Tech bottom 38% All 6 signals ▾Growthtop 45% Fundingtop 48% Talentbottom 49% Techbottom 38% Globalbottom 37% Marketbottom 17% Growth: Web rank 10,000,000 → 50,000,000 YoY · Fresh capital in last 24 mo Funding: Raised $1.8M across 2 rounds · 2 rounds over 4 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 19/100 | $2M | 4 mo ago | 2 | 2019 | Xavier Moya Co-Founder | WordPressMySQLPHP+21 | — | — |
| 19 | FLIT Manufacturer of electric foldable bicycles | $2M | 18 mo ago | 8 | 2016 | Dave Henderson Co-Founder | WordPress Block EditorCart FunctionalityWooCommerce+35 | — | — |
| 20 | GraphEnergyTech Developer of graphene-based electrodes for solar cells, replacing precious metals 21Talent bottom 49%Funding bottom 44%Market bottom 37%Global bottom 37% All 4 signals ▾Talentbottom 49% Fundingbottom 44% Marketbottom 37% Globalbottom 37% Talent: 1 named leader on record · 1 C-suite/founder profile curated Funding: Raised $1.3M across 1 rounds · 1 rounds over 2 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 21/100 | $1M | 25 mo ago | — | 2022 | Thomas Baumeler Co-Founder & CEO | — | — | — |
| 21 | Lambda Energy Provider of coating solutions for solar panels | $621K | 38 mo ago | 8 | 2018 | Monica Saavedra Co-Founder | WordPressPleskMySQL+20 | — | — |
| 22 | Coheat Heat network management solutions | $551K | 134 mo ago | 2 | 2013 | Marko Cosic co-Founder & Technical Director | — | — | — |
| 23 | Hilo EV Manufacturer of AI-driven electric kick scooters | $244K | 50 mo ago | 5 | 2022 | Ashley May Co-Founder | — | 6 patents Integrated vehicle lighting systems and electric scooter propulsion components | — |
| 24 | Mechapres Provider of high-temperature heat pump and thermal storage services for industrial steam generation | $126K | 30 mo ago | — | 2023 | Anastasios Vasilopoulos Co-Owner & Managing Director | — | — | — |
Top 12 Energy Tech companies in Cambridge
#1
Nyobolt 🦄Series C · Cambridge, England · founded 2019 · 54 employees$70.7Mraised▾
Developer of battery technology for high-power, integrated energy systems. The company focuses on material science advances in the anode for ultra-fast charging properties. It provides solutions for industries requiring high-power and high uptime. The company's technology is applicable to AI data centres, autonomous robotics, commercial EVs, grid infrastructure, and heavy industrial fleets.
- May 2026Series C$60M
- Apr 2025Series B$30M
- Jul 2022Series B$59M
- Sep 2021Series A$1.1M
#2
Seed · Cambridge, England · founded 2019 · 2 employees$1.8Mraised▾
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- May 2026Seed$10M
- Jan 2022Seed$1.8M
#3
Seed · Cambridge, England · founded 2022 · 2 employees$2.7Mraised▾
Provider of energy management solutions for education, healthcare, industrial, and real estate. The company offers monitoring and analysis, automation and control, and bespoke consultancy services. These services aim to provide clarity on energy consumption, enable remote adjustments, and develop customized strategies for energy-intensive environments. The company focuses on helping organizations reduce energy waste and improve operational performance.
- Feb 2026Seed$2.2M
- Jul 2024Seed$1.8M
- Oct 2023Seed$755K
- Feb 2023Seed$144.6K
#4
Series A · Cambridge, England · founded 2024$4.6Mraised▾
Manufacturer of lithium-sulfur batteries for weight-critical applications. It provides users with a company specializing in the development of next-generation lithium-sulfur (Li-S) batteries. It also aims to address the limitations of traditional lithium-ion batteries by leveraging earth-abundant materials and improving energy density.
- Nov 2024Series A$4.6M
#5
Seed · Cambridge, England · founded 2016 · 8 employees$1.5Mraised▾
Manufacturer of electric foldable bicycles. The company develops lightweight electric foldable bicycles that include features like 50 km range, 15 kg weight, etc. The customers can purchase the bicycle through the platform.
- Feb 2025Seed$1.5M
#6
Seed · Cambridge, England · founded 2020$5.5Mraised▾
Developer of hydrothermal treatment technology converting wastewater into green hydrogen and biomethanol. The company’s proprietary reactors produce green hydrogen and carbon dioxide. This carbon dioxide is then converted into biomethanol through catalytic synthesis. The technology aims to decarbonize the shipping and chemicals industries by providing sustainable alternatives. The team includes engineers and scientists focused on scaling technologies.
- Aug 2024Grant (prize money)$650K
- Aug 2024Seed$3.5M
- Feb 2022Seed$1.4M
#7
Series C · Cambridge, England · founded 2013 · 67 employees$81.6Mraised▾
Origami develops and provides a SaaS platform that manages the flow of energy and capacity between physical sites with power generation, energy demand, and electricity storage allowing renewable energy generators, storage providers, and energy users to trade with each other at a micro-grid level and maximize the value of their assets.
- Jun 2021Series C$29.2M
- Apr 2018Series B$26.2M
- Feb 2016Series A$19.5M
- May 2014Seed$6.7M
#8
Seed · Cambridge, England · founded 2019 · 2 employees$3.5Mraised▾
Operator of a circular waste technology company intended to set new standards in global plastic waste management and recycling. The company's technology converts plastic and other municipal waste into value-added products such as animal feed and electricity with minimal upfront sorting, along with specializes in regenerative plastic technologies, using various sources of heat to drive its patented hydrothermal liquefaction process, enabling firms to solve the global plastic waste problem which threatens our planet and our way of life.
#9
Series B · Cambridge, England · founded 2012 · 20 employees$13.5Mraised▾
Provider of solutions for hydrogen generation. It provides solutions to produce hydrogen and graphene through the decarbonisation of gas supplies.
- Oct 2022Series B$13.5M
#10
Seed · Cambridge, England · founded 2021 · 5 employees$4Mraised▾
AI-based platform offering battery management solutions. It provides software that predicts battery failure and extends its lifetime. Its platform enables real-time performance forecasting of energy assets.
- Oct 2023Seed$4M
#11
Seed · Cambridge, England · founded 2022$1.3Mraised▾
Developer of graphene-based electrodes for solar cells, replacing precious metals. The company has developed a process to integrate graphene electrodes into solar cells, replacing silver and other precious metals. This technology retains or improves power conversion efficiencies and reliability. The company aims to scale this technology to bring cost and performance benefits to all types of solar cells. It offers a solution to the coming silver crisis in established solar cell technologies and represents an enabling technology for the industrial development of emerging perovskite solar cells.
- Jul 2024Seed$1.3M
#12
Deadpooled · Cambridge, England · founded 2014 · 22 employees$8.6Mraised▾
Hydrogen generation and storage for use in fuel cells. Their hydrogen acts as a fuel feedstock for fuel cells to be used for various automotive use. The company claims that their technology includes a power supply with 5 times the energy capacity of current battery technology due to an improved power to weight ratio.
- May 2022Series A$5.3M
- 2021Grant (prize money)—
- Mar 2021Series A$3.3M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Energy Storage in Cambridge is moving
A read on the academic research around Energy Storage in Cambridge — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 110 papers.
- University of Cambridge109
- Cambridge College1
- Cambridge School1
- Battery (electricity)1→10
- Electrochemistry1→9
- Supercapacitor1→6
- Electrode1→6
- Redox1→4
- Electrochemistry1→5
- Nanotechnology2→5
- Supercapacitor1→4
- Battery (electricity)1→3
- Nanotechnology1→5
- Electrolyte2→5
- Battery (electricity)1→3
- Supercapacitor1→3
- Capacitor1→3
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.