About E8
E8, established in 2006, is an angel investment group based in Seattle, United States. It primarily focuses on Seed investments in companies in United States. Its portfolio includes 118 firms, spanning the Environment Tech, High Tech sectors. Its most notable investments include companies like Solstice, Xeal and Arcimoto. As of Oct 2026, E8 has witnessed 15 portfolio exits. Its latest investment was a $7.25M Series A round in Ateios on Mar 26, 2026, which also saw participation from TitletownTech and Elevate Ventures.
To date, 68 investors have co-invested in E8's portfolio companies, including prominent names like Lateral Capital.
Key Metrics
Founded Year
2006
Location
Seattle, United States
Sectors of Investment
Stages of Investment
Seed & Series A
Locations of Investment
E8's List of Top Investments
E8 has a portfolio of 118 companies. Their most notable investments are in Beta Hatch and APANA.Their portfolio spans across United States, Canada, India and 3 more locations. They have invested in Environment Tech, High Tech, Energy Tech and 23 other sectors, across stages such as Seed, Series A stages. Here is the list of top investments by E8:1. Solstice
Community solar provider unlocking clean energy access and savings for all. This organization focuses on expanding access to solar energy through community solar gardens, enabling individuals and businesses to benefit from solar power without needing to install panels on their property. They connect subscribers to local solar projects, providing credits on their electricity bills based on the solar garden's production. This model promotes affordable, accessible, and responsible energy consumption, supporting a cleaner and more equitable energy grid. They offer a platform for individuals, households, developers, and businesses to participate in the clean energy transition, fostering a community-driven approach to sustainability. The organization emphasizes ease of enrollment, cost savings, and environmental impact, making solar energy accessible to a broader audience. They provide customer support, educational resources, and partnership opportunities to further their mission of equitable access to clean energy.
Key facts about Solstice
- Founded Year: 2016
- Location: Boston (United States)
- Stage: Acquired
- Total Funding till date: $7.44M
- Employee Count: 32 as on Sep 30, 2026
- Investors: SE Ventures, Elemental and 24 Others
- Latest Funding Round: Seed, Jan 15, 2021, $*****
- Highlight: Acquired

2. Xeal
Provider of a cloud-based EV charging management platform. It offers EV-charging management solutions for apartments, condos, and workplaces. It offers comprehensive charging solutions from installation, cloud-based EV charging management solutions, and mobile applications for Xeal chargers networking of electric-vehicle charging networking. The mobile app is available for both Android and iOS platforms.
Key facts about Xeal
- Founded Year: 2019
- Location: California City (United States)
- Stage: Series B
- Total Funding till date: $51M
- Employee Count: 70 as on Aug 31, 2026
- Investors: Alpaca, Altius Ventures and 17 Others
- Latest Funding Round: Conventional Debt, Dec 15, 2022, $*****
- Highlight: Editors' Pick
3. Arcimoto
Arcimoto is a manufacturer of electric velomobiles. The company develops velomobiles for personal and commercial purposes. It offers various models of velomobiles like FUV for personal transport, Deliverator offers local delivery vehicles, and Rapid responder offers emergency transit vehicles. It offers features like optimum battery charging, a panoramic roof, removable doors, etc.
Key facts about Arcimoto
- Founded Year: 2007
- Location: Eugene (United States)
- Annual Revenue: $1M - $10M as on Dec 31, 2022
- Stage: Public
- Total Funding till date: $2.91M
- Employee Count: 45 as on Sep 30, 2026
- Investors: Hambrecht Capital, FOD Capital and 2 Others
- Latest Funding Round: Post IPO, Aug 17, 2023, $*****
- Highlight: Public

4. SparkCharge
Provider of charging solutions for electric vehicles. The company focused on the development of portable electric vehicle charging points. It provides EV charging solutions for businesses.
Key facts about SparkCharge
- Founded Year: 2014
- Location: Boston (United States)
- Valuation: $*****
- Stage: Series A
- Total Funding till date: $107M
- Employee Count: 40 as on Mar 31, 2026
- Investors: PEAK6, Flucas Ventures and 28 Others
- Latest Funding Round: Series A, May 21, 2025, $*****
- Highlight: Editors' Pick

5. ESS
Provider of iron flow battery-based energy storage system. It provides battery technology solutions that use a non-toxic iron and saltwater electrolyte.
Key facts about ESS
- Founded Year: 2011
- Location: Wilsonville (United States)
- Annual Revenue: $1M - $10M as on Dec 31, 2025
- Stage: Public
- Total Funding till date: $46.2M
- Employee Count: 309 as on Sep 30, 2026
- Investors: Honeywell, Evergy Ventures and 21 Others
- Latest Funding Round: Post IPO, Jul 10, 2025, $*****
- Highlight: Public
E8's Year-on-Year Investment Trends
E8 has invested in 118 companies over the last 11 years, with an average of 2 new investments annually in the last 10 years. As of Mar 2026, it has made 3 investments in this year. Its most recent first time investment was in Ateios and most recent follow-on round was in LevelTen Energy.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 3 | 0 | 3 |
2025 | 0 | 0 | 0 |
2024 | 1 | 0 | 1 |
2023 | 1 | 0 | 1 |
2022 | 3 | 0 | 3 |
2021 | 3 | 0 | 3 |
2020 | 1 | 0 | 1 |
2019 | 0 | 2 | 2 |
2018 | 3 | 1 | 4 |
2017 | 1 | 0 | 1 |
E8's Investments by Stage
E8 has made 14 investments in Seed stage with an average round size of $2.06M and 9 investments in Series A stage with an average round size of $3.96M.Stage of entry | No. of Investments |
|---|---|
Seed | 14 |
Series A | 9 |
Note: We have considered here, only first round of investments
E8's Investments by Sector
E8 has a diverse portfolio, with companies operating in the Sustainability Tech, Environment Tech, Energy Tech, High Tech and Enterprise Applications. Notably, it has invested in 91 Enterprise (B2B) companies, 78 Tech companies, 38 Tech hardware companies and at least 28 companies focusing on Consumer (B2C).Sector | No. of Investments |
|---|---|
Sustainability Tech | 16 |
Environment Tech | 15 |
Energy Tech | 12 |
High Tech | 7 |
Enterprise Applications | 6 |
Others | 23 |
Note: We have considered here, only first round of investments
E8's Investments by Geography
E8 has made most investments in United States (20), followed by Canada where it has made 2 investments.Country | No. of Investments |
|---|---|
United States | 20 |
Canada | 2 |
India | 1 |
Japan | 1 |
Note: We have considered here, only first round of investments
E8's recent investments
E8 has made 3 investments in 2026 so far. Ateios and Imperium Technologies are the latest among them.Here are the most recent investments by E8:
Date | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Mar 26, 2026 | United States | Series A | 1262 | [+9] | |
Mar 10, 2026 | United States | Seed | 8047 | - | |
Feb 03, 2026 | United States | Seed | 7203 | [+11] | |
Sep 11, 2024 | United States | Series A | 9876 | [+3] | |
2023 | Canada | Seed | 7698 | [+4] |
IPOs and Publicly Listed companies in E8's Portfolio
2 of E8's portfolio companies have become public. ESS got listed on the New York Stock Exchange (NYSE), in Oct 2021 and Arcimoto got listed on the Nordic and Baltic regions (NASDAQ OMX) at marketcap of $8.81M.Here are E8's portfolio companies that went public:
Company | IPO Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Oct 11, 2021 | Oct 07, 2015 | Series A | 3424 | |
Sep 21, 2017 | - | - | 1811 |
Acquired companies in E8's Portfolio
13 companies from E8's portfolio have been acquired. The most recent acquisition was Intellihot in Jul 2026 by Zurn Elkay for $*****.Here are E8's portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Jul 20, 2026 | Jul 09, 2015 | Series A | 2562 | |
Jul 20, 2026 | - | - | 5511 | |
Feb 19, 2026 | - | - | 8429 | |
Jan 13, 2026 | - | - | 2010 | |
Feb 19, 2025 | May 14, 2021 | Seed | 1527 |
Team profile of E8
E8 has a team of 10 members including 1 Partner and 1 Principal located in United States. E8's team does not sit on the board of any company as of now.Co-investors of E8
Over the past 11 years, 216 investors have co-invested in E8's portfolio companies. This includes funds and angels.
- Invested before E8: America’s Seed Fund, OSTI and 56 others have invested in rounds before E8. There are 4 companies where America’s Seed Fund has invested before E8 and 3 companies where OSTI has invested before E8.
- Top Co-investors of E8: 68 investors entered a company along with E8. These include investors like Lateral Capital (2 companies).
- Invested after E8: A total of 90 investors have invested in E8's portfolio after their investments. Top Investors include Evergy Ventures (2 companies) and ZOMALAB (2 companies).
Recent News related to E8
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Climate-Tech Startup INOVUES Raises $2.75M to Help Decarbonize BuildingsGlobeNewswire•Dec 21, 2021•Inovues, VC Fuel, NOVA by Saint-Gobain, Momentum Glass and 5 others
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New Decarbon8-US investment opportunity now open for startups decarbonising transportationPrivate Equity Wire•Jun 14, 2021•E8
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Decarbon8 names the first three startups for its climate-focused philanthropic investment fundGeekWire•Sep 05, 2020•E8
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