L
LeydenJar Technologies
Defence · Leiden, Netherlands · Founded 2016
Ultra-thin pure-silicon anodes enabling batteries with much greater energy density, faster charging, and lower CO₂ output MoreLess
LeydenJar is a cutting-edge startup operating in the energy sector, specifically focusing on the development of high-energy density anodes for batteries. The company's primary goal is to create batteries that are not only smaller and lighter but also have fast charging capabilities. This innovative approach to battery technology has the potential to revolutionize various industries, including consumer electronics and mobility.
The company's target market includes manufacturers of phones, laptops, and electric vehicles, among others. By offering batteries with increased capacity and reduced weight, LeydenJar aims to enhance the performance and efficiency of these devices. For instance, their batteries could enable longer flight times for drones and further driving distances for electric vehicles, all while reducing CO2 emissions.
LeydenJar operates on a B2B business model, partnering with manufacturers to integrate their advanced battery technology into various products. The company generates revenue by selling their high-energy density anodes to these manufacturers.
The startup is also actively seeking talented individuals to join their team. They offer a dynamic work environment where employees have the opportunity to contribute directly to the future of energy technology. The company's rapid growth and ambitious goals make it an exciting place for innovative minds looking to disrupt the market.
Keywords: Battery Technology, High-Energy Density Anodes, Consumer Electronics, Mobility, Fast Charging, Reduced CO2 Emissions, Smaller and Lighter Batteries, Increased Battery Capacity, B2B Business Model, Market Disruption.
Company overview
LeydenJar Technologies company information
The essential company record, classifications and operating signals in one place.
- Status
- Operational
- Founded
- 2016
- Headquarters
- Leiden, Netherlands
- Employees
- 86
- Open positions
- 2
- Dealroom signal
- 78.9
Valuation & funding
LeydenJar Technologies funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| LATE VC✓Equity / VC | Jan 2026 | $8.6M | $321M | APG | ↗ |
| LATE VC✓Equity / VC | Sep 2025 | $14M | $321M | Invest-NL · Extantia Capital | ↗ |
| PROJECT, REAL ESTATE, INFRASTRUCTURE FINANCE✓Other financing | Dec 2022 | $33M | — | European Investment Bank | ↗ |
| SERIES A✓Equity / VC | Sep 2021 | $24M | $97M | Yard Energy · Invest-NL · Somerset Capital Partners · BOM - Brabant Regional Development Agency | ↗ |
| EARLY VC✓Equity / VC | Jul 2019 | $0 | — | PVS Investments | ↗ |
| GRANT✓Other financing | Feb 2018 | Netherlands Ministry of Economic Affairs and Climate Policy | — | ||
| SEED✓Equity / VC | Feb 2018 | BOM - Brabant Regional Development Agency · UNIIQ | — | ||
| GRANT✓Other financing | Feb 2018 | Undisclosed | — | ||
| SEED✓Equity / VC | Sep 2017 | Netherlands Ministry of Economic Affairs and Climate Policy | — | ||
| GRANT✓Other financing | Sep 2017 | European Innovation Council | — |
Financials
Workforce over time
Available workforce history. Financial fields without reported data are omitted.
| Year | Employees |
|---|---|
| 2026 | 91 |
| 2025 | 82 |
| 2024 | 96 |
| 2023 | 90 |
| 2022 | 61 |
| 2021 | 23 |
| 2020 | 13 |
Growth signals
LeydenJar Technologies website traffic
Latest recorded traffic for LeydenJar Technologies is 4.4K monthly website visits, up 7.3% over the last three months. LeydenJar Technologies's team grew 4.9% over the past year.
Hiring
Open positions at LeydenJar Technologies
Current openings linked to this company in Dealroom.
Comparisons
LeydenJar Technologies compared with similar companies
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Talent graph
LeydenJar Technologies's talent
Source: Dealroom Talent Intelligence.
Investors
19 investors on LeydenJar Technologies's cap table
Sourced from Dealroom's funding and investor records.



















Global footprint
Where LeydenJar Technologies has talent and traffic
team presence
In the news
Latest news about LeydenJar Technologies
Recent press, funding announcements, and product moves mentioning LeydenJar Technologies — open to read from the original sources.
Market sentiment
What the market is saying about LeydenJar Technologies
An AI-synthesized read of the highest-engagement posts about LeydenJar Technologies on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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