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Top 5 Sustainability Startup Investors in Bulgaria (June 2026)

The most active venture capital funds and angel investors investing in Bulgaria Sustainability startups. This investor list is updated monthly from the Shizune investor database, ranked by number of investments in Bulgaria Sustainability startup companies. Find investors to raise a Pre-Seed, Seed or Series B round with Shizune.
Investor Relevant Deals Geography Stage Focus Round Size
Eleven Ventures
VC Fund
2 Bulgaria, United States, United Kingdom Seed, Convertible Note, Pre-Seed Software, SaaS, Information Technology $27k–$2.3M
MFG Invest
VC Fund
1 France, Bulgaria Energy, Events, GreenTech
American University in Bulgaria
VC Fund
1
Karoll
VC Fund
1 Bulgaria Energy, GreenTech
BlackPeak Capital
VC Fund
1 Bulgaria, United States, France Private Equity, Series B, Seed Manufacturing, Leisure, Software $464k–$50M
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Investor list

Eleven Ventures
VC Fund · Sofia, Grad Sofiya, Bulgaria · 2 investments in Bulgaria Sustainability startups

We empower local heroes to build global success. Eleven is an early-stage VC investing in technology companies in Southeast Europe.

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Investment focus

  • Industry: Software, SaaS, Information Technology
  • Stage:Seed, Convertible Note, Pre-Seed
  • Geography: Bulgaria, United States, United Kingdom

Investor stats

  • Total investments: 142
  • Round size: Seed $27k–$2.3M; Pre-Seed $219k–$796k; Convertible Note $27k–$121k
  • Lead/follow: 37% lead, 63% follow
  • Last fund: Likely still investing — raised $68M in 2022

Portfolio highlights

  • Bitloops — Bitloops is an AI-powered application development platform that enables organizations to develop, maintain, and operate complex web applications with ease. It helps you easily modify system designs, deploy applications to production, and manage changes, new features, and products. The platform enables teams to innovate quickly and grow the productor business without compromising the product's usability, extendability, or maintainability. Bitloops makes it simpler than ever to create high-quality software utilizing best practices and techniques like DDD, BDD, TDD, hexagonal architecture, clean architecture, ports and adapters, CQRS, and event sourcing suitable for extending legacy systems as well as new initiatives.
  • nFuse.ai — nFuse.ai is an AI‑powered B2B sales platform focused on fast‑moving consumer goods (FMCG), positioning itself as an “ordering and communication layer” between brands and their distribution networks.
  • Outfindo — Making bikes & e-bikes buying easy
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MFG Invest
VC Fund · Sofia, Grad Sofiya, Bulgaria · 1 investments in Bulgaria Sustainability startups

MFG Invest was established by a group of angel investors with the goal of financing venture capital.

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Investment focus

  • Industry: Energy, Events, GreenTech
  • Geography: France, Bulgaria

Investor stats

  • Total investments: 4
  • Lead/follow: no public data

Portfolio highlights

  • TETMET — Efficiently unlocking large scale architectured materials and lattice structures for industry
  • Native Teams — Native Teams is a platform that offers payments and employment tools for freelancers, remote workers, and clients. Native Teams was founded in 2021 and was headquartered in London.
  • Native Spaces — Rent a private space for your next event on the French Riviera with Native Spaces. Plan and book your unique event. Free insurance, no booking fees and more.
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American University in Bulgaria
VC Fund · Blagoevgrad, Blagoevgrad, Bulgaria · 1 investments in Bulgaria Sustainability startups

AUBG offers excellent U.S. education at a competitive price, with outstanding alumni success worldwide. AUBG is accredited both in the U.S. and in Bulgaria

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Investor stats

  • Total investments: 1
  • Lead/follow: 100% lead, 0% follow

Portfolio highlights

  • Verdere — Verdere is an indoor vertical farm that grows and delivers microgreens exclusively to restaurants. The entire procedure is highly sustainable and environmentally friendly.
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Karoll
VC Fund · Sofia, Grad Sofiya, Bulgaria · 1 investments in Bulgaria Sustainability startups

Karoll offers a wide range of financial products and services that include asset management, insurance, land banking, and equity financing.

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Investment focus

  • Industry: Energy, GreenTech
  • Geography: Bulgaria

Investor stats

  • Total investments: 1
  • Lead/follow: no public data

Portfolio highlights

  • Hydrogenera — Hydrogenera specializes in the development of hydrogen technologies.
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BlackPeak Capital
VC Fund · Sofia, Grad Sofiya, Bulgaria · 1 investments in Bulgaria Sustainability startups

BlackPeak Capital is a co-investment growth equity fund focused on investing in high-growth Southeast European small and medium enterprises. BlackPeak Capital is funded by the European Investment Fund, part of the European Investment Bank, through the JEREMIE initiative for support of the SME enterprises in Bulgaria.We invest in equity,mezzanine, and other forms of hybrid capital to support the investment plans of dynamic regional companies. As a co-investment fund, BlackPeak Capital invests alongside other private institutional or individual investors on pari-passu terms. Our target investment ticket is between €1-8 million per transaction.

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Investment focus

  • Industry: Manufacturing, Leisure, Software
  • Stage:Private Equity, Series B, Seed
  • Geography: Bulgaria, United States, France

Investor stats

  • Total investments: 16
  • Round size: Seed $464k–$549k; Series B $7.7M–$50M
  • Lead/follow: 19% lead, 81% follow
  • Last fund: Likely still investing — raised $147M in 2022

Portfolio highlights

  • Alcatraz AI — The Rock is an all-in-one touchless biometric access control device that combines facial biometrics, AI, and machine learning for top-notch security.
  • Fasal — Fasal offers high-performance injection-moldable compounds made from renewable lumber, allowing for sustainable production of complex and durable wood products.
  • GenePlanet — GenePlanet is a European company active in the field of biotechnology, specializing in genetic testing and research. They specialize in preventive genetic tests that are intended for the end user, but they also offer clinical genetic tests which help doctors with their therapeutic procedures. Their tests adhere to the highest standards of qualityand are based on the latest scientific discoveries. They provide people with information which can help them adjust their lifestyle accordingly and take measures that will provide additional protection from health risks due to genetic predispositions.
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Sustainability Investor funding in Bulgaria at a glance

Stats across 2 deals from 4 investors.

4
investors
in Bulgaria Sustainability startups
2
deals
in Bulgaria Sustainability startups
$526k
median round
in Bulgaria Sustainability startups
50%
lead investors
lead at least one round
50%
Pre-Seed
most common funding stage
75/25
VC / Angel
share of investor count

Access all 4 investors in Bulgaria Sustainability startups.

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