6 Best Active Series B Investors in Tallinn in 2025
In the vibrant investment landscape of Tallinn, certain names stand out, consistently identifying and supporting groundbreaking ventures. As we journey into 2025, we've compiled a list of the top investors in Tallinn, showcasing those who've demonstrated exceptional acumen, vision, and commitment to fostering innovation in the region.
This list is the result of tracking investment activity across +2,500 venture capital investors in Europe, and only includes funds that have invested in at least 5 startups in Tallinnin the past 12 months (not just investors with offices in Tallinn). Whether you're an experienced founder who have raised capital in the past or you're fundraising for the first time, our curated list of the top Tallinn VCs in 2025 will be tremendously helpful in your journey.
Last update to the database: Sep 16, 2025. See changelog.
Investor Rankings are calculated using our Seedtable Score – a 1 to 100 score that uses quantitative and qualitative data points (like the size of their fund or the quality of the companies they invested in) to signal the strength behind an investor. A score closer to 100 indicates an investor is worth watching closely.
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List of 6 top Tallinn VCs
Harju Elekter Group, based in Tallinn, is a venture capital fund focusing on Series B investments. They support companies in manufacturing, energy, nuclear, climate tech, and green tech sectors. Noteworthy investments include Skeleton Technologies. Harju Elekter Group is dedicated to backing businesses that positively impact the environment and industry.
Offices:
No data available
Investment Stage:
No data available
Check Size:
$100k - $500k
Industries:
No data available
Top investments in Tallinn:
No data available
Harju Elekter Group, based in Tallinn, is a venture capital fund focusing on Series B investments. They support companies in manufacturing, energy, nuclear, climate tech, and green tech sectors. Noteworthy investments include Skeleton Technologies. Harju Elekter Group is dedicated to backing businesses that positively impact the environment and industry.
Offices:
Tallinn
Tallinn
Investment Stage:
Series B
Check Size:
$20M - $30M
Industries:
Climate Tech & Green Tech, Energy & Nuclear, Manufacturing
Top investments in Tallinn:
NordicNinja VC, based in Helsinki, invests in tech startups from seed to series D stages, with investments ranging from $1M to $6M. Their focus includes AI, data analytics, mobility, gaming, health tech, and more. Notable investments include Onego Bio and Einride. The fund supports Nordic and Baltic companies that are shaping the future.
Offices:
Helsinki (HQ)
Stockholm
Tallinn
Investment Stage:
Seed, Series A, Series B, Series C, Series D, Unknown
Check Size:
$100k - $250M
Industries:
Climate Tech & Green Tech, Health Tech, FinTech
Top investments in Tallinn:
Metaplanet Holdings is a venture capital fund based in Tallinn. It invests in companies from seed stage to series B, focusing on sectors such as AI, biotech, and fintech. Notable investments include Vortexa, Lightyear, and Element. The fund aims to support early-stage ventures across various industries.
Offices:
Tallinn (HQ)
Investment Stage:
Seed, Series A, Series B, Unknown
Check Size:
$100k - $250M
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in Tallinn:
Karma Venture, based in Tallinn, is a venture capital fund investing in early-stage tech startups from seed to series B, with check sizes from $0 to $5 million. They focus on companies with unique ideas and strong growth potential in sectors like AI, cybersecurity, and health tech. Supporting firms commercially, strategically, and technically, their portfolio includes Tuum, Realeyes, and Hydrogrid.
Offices:
Tallinn (HQ)
Investment Stage:
Seed, Series A, Series B, Unknown
Check Size:
$2.5M - $30M
Industries:
Health Tech, Edtech, FinTech
Top investments in Tallinn:
Icebreaker is a venture capital fund based in Helsinki. They invest in early-stage tech companies, ranging from idea-stage to Series B, with check sizes between €150,000 and €800,000. Their focus includes sectors like AI, health tech, and cybersecurity. Icebreaker has backed companies such as Fixably, Alvin, eBrands, Accurator, and Klaus, seeking teams with deep domain expertise and ambitions to build globally competitive tech firms.
Offices:
Helsinki (HQ)
Stockholm
Tallinn
Investment Stage:
Angel, Pre Seed, Seed, Series A, Series B, Unknown
Check Size:
$100k - $40M
Industries:
Climate Tech & Green Tech, Health Tech, Edtech
Top investments in Tallinn: