About Green Tower
Green Tower is a venture capital firm founded in 2022. It is primarily based out of Utrecht, Netherlands. As of Nov 2024, Green Tower has invested in 3 companies. It primarily invests in Series B round in Netherlands based startups. Its investments are spread across a wide range of sectors from High Tech to Transportation and Logistics Tech and Energy Tech. Most recently it participated in the $***** Series D round of August Energy A lot of funds co-invest with Green Tower, with names like Invest-NL sharing a substantial percentage of its portfolio. Green Tower has team of 3 people including 3 partners.Key Metrics
Team Members
Portfolio Count
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Seed, Series B & 1 more
Green Tower's List of All Investments
Green Tower has a portfolio of 3 companies. Their most notable investments are in SolarDuck and EZ-Charge.Their portfolio spans across Netherlands, Singapore and United Kingdom. They have invested in High Tech, Transportation and Logistics Tech, Energy Tech and 4 other sectors, across stages such as Seed, Series B and 1 more. Here is the list of all investments by Green Tower:_1560151394304.png?format=webp&height=120&width=120)
1. SolarDuck
Developer of offshore floating solar energy systems for marine environments. These modular platforms elevate photovoltaic panels above the waterline to protect electrical components from seawater exposure. The technology supports utility scale power generation and remote microgrid applications. By utilizing standard maritime installation methods, the structures provide renewable electricity to coastal regions and offshore assets. The design integrates commercial solar modules to maximize energy yields while minimizing impact on marine ecosystems. These systems function as standalone power sources or as hybrid installations alongside wind energy projects to increase total output. The engineering approach focuses on durability and survivability in open sea conditions to ensure a consistent supply of clean energy for diverse industrial and community requirements.
Key facts about SolarDuck
- Founded Year: 2018
- Location: Rotterdam (Netherlands)
- Stage: Series B
- Total Funding till date: $16.5M
- Employee Count: 18 as on Sep 30, 2026
- Investors: InnovationQuarter, Katapult and 3 Others
- Latest Funding Round: Series B, Dec 21, 2023, $*****
Developer of industrial energy infrastructure assets for corporate decarbonization projects. Assets include renewable energy systems, energy storage, cooling systems, heat recovery units, and bioenergy infrastructure. Financing, development, and long-term operation of these assets support energy transition requirements across regional business footprints. Infrastructure projects are implemented through greenfield and brownfield development strategies focused on long-term sustainability and asset performance.
Key facts about August Energy
- Founded Year: 2022
- Location: Singapore (Singapore)
- Annual Revenue: $0 - $1M as on Dec 31, 2024
- Stage: Series D
- Total Funding till date: $100M
- Employee Count: 41 as on Sep 30, 2026
- Investors: Green Tower and 1 Other
- Latest Funding Round: Series D, Nov 18, 2024, $*****
3. EZ-Charge
Provider of operator for electric vehicle charging stations. The platform provides a scan and pay technology charging system using a mobile application.
Key facts about EZ-Charge
- Founded Year: 2020
- Location: Bicester (United Kingdom)
- Valuation: $*****
- Stage: Seed
- Total Funding till date: $3.59M
- Employee Count: 5 as on Aug 31, 2026
- Investors: Green Tower and 2 Others
- Latest Funding Round: Seed, Mar 08, 2023, $*****
Green Tower's Year-on-Year Investment Trends
Green Tower has invested in 3 companies over the last 3 years, with an average of 1 new investment annually in the last 3 years. Its most recent first time investment was in August Energy.Green Tower's Investments by Stage
Green Tower has made 1 investment in Seed stage with an average round size of $3.59M, 1 investment in Series B stage with an average round size of $16.5M and 1 investment in Series D stage with an average round size of $100M.Stage of entry | No. of Investments |
|---|---|
Seed | 1 |
Series B | 1 |
Series D | 1 |
Note: We have considered here, only first round of investments
Green Tower's Investments by Sector
Green Tower has a diverse portfolio, with companies operating in the Energy, Environment, Auto Tech, Energy Tech and Environment Tech. Notably, it has invested in 1 Consumer (B2C) company, 1 Social impact company, 1 Software company and at least 1 company focusing on Tech.Sector | No. of Investments |
|---|---|
Energy | 2 |
Environment | 2 |
Auto Tech | 1 |
Energy Tech | 1 |
Environment Tech | 1 |
Others | 3 |
Note: We have considered here, only first round of investments
Green Tower's Investments by Geography
Green Tower has made most investments in Netherlands (1), followed by Singapore where it has made 1 investment.Country | No. of Investments |
|---|---|
Netherlands | 1 |
Singapore | 1 |
United Kingdom | 1 |
Note: We have considered here, only first round of investments
Green Tower's recent investments
Green Tower has not made any investment in 2026 so far.Here are the most recent investments by Green Tower:
Date | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Nov 18, 2024 | Singapore | Series D | 3955 | ||
Dec 21, 2023 | Netherlands | Series B | 5658 | [+2] | |
Mar 08, 2023 | United Kingdom | Seed | 7997 | - |
Team profile of Green Tower
Green Tower has a team of 3 members including 3 Partners located in Netherlands and France. Green Tower's team does not sit on the board of any company as of now.Here is a list of all team members in Green Tower:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | Paris | - | ||
Partner | Utrecht | - | ||
Partner | Netherlands | - |
Co-investors of Green Tower
Over the past 3 years, 4 investors have co-invested in Green Tower's portfolio companies. This includes funds and angels.
- Top Co-investors of Green Tower: 4 investors entered a company along with Green Tower. These include investors like Invest-NL (1 company).
Recent News related to Green Tower
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Acacia, Green Tower, Eren to deploy 500MW of BESS in FranceEnergy-Storage•Jun 09, 2025•Green Tower, Eren Group
•
SolarDuck Secures $15M Funding for Floating Offshore Solar Energy DevelopmentPortalPortuario•Dec 26, 2023•Katapult, Green Tower, Invest-NL, SolarDuck and 3 others
