Best Energy Tech Companies in Oxford, United Kingdom
The 32 best Energy Tech companies in Oxford, United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Oxa.
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 Oxford
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Oxa Developer of autonomous software for industrial vehicles and fleet management 78AI top 20%Growth top 24%Funding top 26%News top 27% All 10 signals ▾AItop 20% Growthtop 24% Fundingtop 26% Newstop 27% Talenttop 28% Globaltop 42% Fin. healthtop 42% Marketbottom 48% Moatbottom 48% Techbottom 44% AI: Classified as an AI company Growth: Revenue +289% YoY · Web rank 5,000,000 → 10,000,000 YoY rank vs industry peers · Fliar Intelligence Index 78/100 | $246M | 8 mo ago | 315 | Ingmar Posner Co-Founder | Apple iCloud MailGoogle WorkspaceNode.js+13 | — | — |
| 2 | Oxford Photovoltaics Manufacturer of tandem solar cells combining perovskite and silicon layers | $202M | 88 mo ago | 115 115 → 107 (-7%) | Henry Snaith Co-Founder | WebflowApple iCloud MailMicrosoft 365+18 | 155 patents Manufacturing multi-junction perovskite solar cells and related deposition processes. | — |
| 3 | Mixergy Provider of app-based residential heat storage solution 53Moat top 25%Innovation top 28%Patents top 29%Product top 29% All 10 signals ▾Moattop 25% Innovationtop 28% Patentstop 29% Producttop 29% Growthtop 31% Fundingtop 38% Techtop 44% Globalbottom 40% Marketbottom 23% Newsbottom 18% Moat: Editorial + unicorn rating 7/10 · IP moat: 70 patents Innovation: 70 patents (top 47% of patent-holders) · 55 filings since 2022 vs 15 in 2017-21 rank vs industry peers · Fliar Intelligence Index 53/100 | $22M | 19 mo ago | 32 32 → 51 (+59%) | — | WordPressApple iCloud MailMicrosoft 365+25 | 70 patents Heat pump‑based water heating and energy‑buffering systems with pumpless top‑up tanks | — |
| 4 | Snowfox Discovery Developer of exploration models for identifying natural hydrogen energy resources 35Growth top 35%Funding top 42%Talent bottom 49%Global bottom 45% All 6 signals ▾Growthtop 35% Fundingtop 42% Talentbottom 49% Globalbottom 45% Techbottom 39% Marketbottom 30% Growth: Fresh capital in last 24 mo Funding: Raised $19.2M across 3 rounds · 3 rounds over 3 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 35/100 | $19M | 15 mo ago | — | Daniel McMahon Co-Founder & CEO | Webflow EcommerceCart FunctionalityWebflow+11 | — | — |
| 5 | Ryze Hydrogen Provider of biofuels, green hydrogen, and electric vehicle charging infrastructure | $18M | 102 mo ago | 6 | Jo Bamford Founder and CEO | — | — | — |
| 6 | Brill Power BMS for utilizing multiple types of lithium batteries to develop battery packs | $16M | 51 mo ago | 32 32 → 18 (-44%) | Damien Frost Co-Founder & Cto | — | — | — |
| 7 | Pony App-based bicycle rental service | $9M | 42 mo ago | 1 | Paul Cormerais Co-Founder | Apple iCloud MailGoogle WorkspaceNode.js+14 | — | — |
| 8 | ZapGo Supercapacitor based charging solutions | $8M | 93 mo ago | 24 | — | — | 89 patents Advanced carbon-based supercapacitors and hybrid energy storage systems | — |
| 9 | StreetDrone Developer of autonomous vehicle software for industrial logistics fleet operations | $7M | 41 mo ago | 2 | Mike Potts Founder and CEO | — | — | — |
| 10 | Palmer Energy Technology Manufacturer of battery energy storage systems for transport, industry, and grid 29Funding top 49%Talent bottom 49%Global bottom 48% All 3 signals ▾Fundingtop 49% Talentbottom 49% Globalbottom 48% Funding: Raised $6.6M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Talent: 1 named leader on record · 1 C-suite/founder profile curated rank vs industry peers · Fliar Intelligence Index 29/100 | $7M | 14 mo ago | — | Wei S Co-Founder & Executive Director | — | — | — |
| 11 | Metaboards Metamaterials-based wireless charging board provider | $5M | 100 mo ago | 5 | Nedko Ivanov CEO | — | 16 patents Design and optimization of high‑frequency resonators and magnetoinductive wave devices. | — |
| 12 | EcoSync SaaS and AI-driven solutions for HVAC monitoring and management | $1M | 47 mo ago | 10 10 → 21 (+110%) | Miklos Mohos Co-Founder | WordPressMySQLPHP+23 | 14 patents Smart HVAC temperature control systems for multi-occupancy building energy management | — |
| 13 | Electrogenos Manufacturer of cost-effective and scalable green hydrogen electrolyzers | $1M | 44 mo ago | 4 | Alfredo Saenger Co-Founder & COO | WordPress Site EditorWordPressMySQL+12 | 4 patents Advanced metal electroplating and catalytic coating technologies for surface treatment | — |
| 14 | Lightricity Developer of photovoltaic technology for indoor, space, and outdoor applications | $953K | 84 mo ago | 11 | Matthias Kauer Co-Founder & Managing Director | Cart FunctionalityGoDaddy Website BuilderGoogle Maps+14 | 11 patents Ultra‑low‑power energy‑harvesting electronics with backup circuits and conductive‑adhesive semiconductor bonding | — |
| 15 | Enistic Building management systems | $571K | 141 mo ago | 7 | Darryl Mattocks Founder and Executive Chairman | — | — | — |
Top 12 Energy Tech companies in Oxford
#1
Series D · Oxford, England · founded 2014 · 315 employees$245.5Mraised▾
Developer of autonomous software for industrial vehicles and fleet management. This technology enables self-driving capabilities for various industrial transport equipment. The software integrates with existing hardware to automate repetitive driving tasks. Fleet management tools support the coordination and monitoring of these vehicles within operational environments. The system focuses on perception, localization, and path planning to facilitate movement in complex settings.
- Mar 2026Series D$103M
- Oct 2023Series C—
- Dec 2022Series C$140M
- Oct 2021Series B—
#2
Series A · Oxford, England · founded 2023$19.2Mraised▾
Developer of exploration models for identifying natural hydrogen energy resources. This business utilizes scientific research and geochemical analysis to locate subsurface hydrogen accumulations. Technical operations focus on the application of geophysical data and spectrometry to detect trace hydrogen emissions within the crust. These methods support the identification of potential energy sources for industrial feedstock and fuel applications.
- Jul 2025Series A$6.7M
- Dec 2024Series A$8.7M
- Jul 2023Series A$3.9M
#3
Series C · Oxford, England · founded 2014 · 32 employees$22.4Mraised▾
Provider of app-based residential heat storage solution. The company offers hot water tanks that deliver a greater amount of hot water from the same volume as a conventional cylinder which saves bills for the householder since heat losses are reduced. Its app is available for Android and iOS devices.
- Mar 2025Series C$15.5M
- Mar 2023Series B$11.2M
- Jan 2020Series A$4.7M
- Nov 2019Series A$5.2M
#4
Series A · Oxford, England · founded 2023$6.6Mraised▾
Manufacturer of battery energy storage systems for transport, industry, and grid. The company designs and manufactures battery energy storage systems applying automotive-grade principles to stationary applications. It specifies premium cells, uses liquid cooling, and focuses on intelligent control. The business incorporates active loading BMS technology to increase system lifetime and improve safety.
- Aug 2025Series A$6.6M
#5
Series D · Oxford, England · founded 2010 · 115 employees$202.2Mraised▾
Manufacturer of tandem solar cells combining perovskite and silicon layers. These components utilize thin film coatings applied to conventional silicon bases to capture broader light spectrums. The technology increases energy conversion efficiency compared to standard single-junction solar products. These cells integrate into existing module production processes for use in utility, building, and transportation applications.
- Jul 2019Series D$82M
- Mar 2019Series D$41.1M
- Apr 2018Series D$11.2M
- Apr 2018Grant (prize money)$641.2K
#6
Acquired · Oxford, England · founded 2017 · 2 employees$7.1Mraised▾
Developer of autonomous vehicle software for industrial logistics fleet operations. This technology enables self-driving capabilities for vehicles used in the movement and management of goods on private land. The software platform integrates with drive-by-wire systems and teleoperation tools to facilitate vehicle control. These systems support the automation of industrial transport tasks to assist with the movement of materials within logistics hubs, retail fulfillment centers, ports, and airports.
- May 2023Grant (prize money)$214.6K
- Jun 2021Seed$5.7M
- May 2021Grant (prize money)$270K
- Aug 2020Grant (prize money)—
#7
Acquired · Oxford, England · founded 2015 · 32 employees$16.4Mraised▾
BMS for utilizing multiple types of lithium batteries to develop battery packs. This means that any individual cell can be utilized to its full capacity and that battery packs can be combined to be modular in nature.
- Jul 2022Series A$10.5M
- Feb 2021Seed$3.5M
- Sep 2019Seed$2M
- Nov 2017Seed$388.5K
#8
Series A · Oxford, England · founded 2017 · 1 employees$9.1Mraised▾
App-based bicycle rental service. The app enables users to locate an available vehicle and scan the QR code to lock or unlock it. Users are free to leave the bicycle at any legal space at their end location. Additionally, users can also purchase a bike and add it to the company's fleet to earn revenue. Its mobile app is available for iOS and Android devices.
- Apr 2023Series A$6.6M
- May 2019Seed$2.5M
#9
Funding Raised · Oxford, England · founded 2018 · 6 employees$18.2Mraised▾
Provider of biofuels, green hydrogen, and electric vehicle charging infrastructure. The company delivers low-carbon energy solutions across industrial and transport sectors. It offers drop-in biofuels, green hydrogen sourcing and distribution, and electric vehicle charging design, installation, and operation. The company guides businesses through the transition to net zero.
- May 2018Grant (prize money)$18.2M
#10
Deadpooled · Oxford, England · founded 2013 · 24 employees$8.1Mraised▾
Zap Go is developing a supercapacitor based fast charging power storage product to be used in consumer electronics and Electric Vehicles. The company claims that users will be able to charge their products in 5 minutes using this battery system. They are aiming to replace existing lithium-ion based storage in various devices and is targeting a production by 2017.
- Jan 2019Grant (prize money)$1.6M
- May 2018Conventional Debt$5.7M
- Feb 2017Grant (prize money)$1.6M
- Sep 2016Series A$7.6M
#11
Seed · Oxford, England · founded 2022 · 4 employees$1.1Mraised▾
Manufacturer of cost-effective and scalable green hydrogen electrolyzers. It employs a unique manufacturing process that reduces electrolyzer production costs and factory deployment times. Its flexible, scalable manufacturing process, based on soft-tooling, allows adaptation to market needs. A proprietary electrolyzer architecture, significantly reducing component count, is designed for fully automated factory production. This approach contributes to higher product availability through a simplified and stable supply chain, and lower stack prices per kilowatt, making hydrogen-based technologies more accessible.
- Feb 2023Seed$1.1M
#12
Seed · Oxford, England · founded 2018 · 10 employees$1.2Mraised▾
SaaS and AI-driven solutions for HVAC monitoring and management. The solution aggregates time and location-specific temperature and occupancy data. Data is used for AI-powered optimization and creating the digital fingerprint of the rooms.
- Nov 2022Seed$1.2M
- Oct 2021Seed—
- Jan 2021Seed—
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 Oxford is moving
A read on the academic research around Energy Storage in Oxford — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 86 papers.
- University of Oxford74
- Science Oxford7
- Oxford Brookes University5
- Oxford Research Group2
- Oxford Dental College and Hospital2
- Supercapacitor1→5
- Electrolyte1→4
- Battery (electricity)8
- Renewable energy7
- Electrolyte6
- Lithium (medication)5
- Cathode4
- Nanotechnology6
- Renewable energy6
- Battery (electricity)5
- Anode4
- Electrolyte4
Common questions
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