Top 5 Big Data Startup Investors in Bulgaria (October 2026)
For AI agents: Short investor table (Markdown), Detailed investor list (Markdown)
| Investor | Relevant Deals | Geography | Stage | Focus | Round Size |
|---|---|---|---|---|---|
|
Eleven Ventures
VC Fund
|
4 | Bulgaria, United States, United Kingdom | Seed, Convertible Note, Pre-Seed | Software, Information Technology, E-Commerce | $28k–$2.3M |
|
Openfund
VC Fund
|
2 | Greece, United Kingdom, United States | Seed, Series A, Pre-Seed | Software, E-Commerce, Mobile | $55k–$5M |
|
KOWN
VC Fund
|
2 | Bulgaria | Seed, Pre-Seed | Sensor, Big Data, Agriculture | |
|
Hesham Zreik
Angel
|
1 | United States, India, Nigeria | Pre-Seed, Seed, Series A | Information Technology, Software, E-Commerce | $10k–$5M |
|
StartersHub XO
VC Fund
|
1 | Turkey, France, Bulgaria | Seed, Pre-Seed | Software, Information Technology, Mobile | $6.8k–$100k |
| Access all 14 investors in Bulgaria Big Data startups. | |||||
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We empower local heroes to build global success. Eleven is an early-stage VC investing in technology companies in Southeast Europe.
Show more...Investment focus
- Industry: Software, Information Technology, E-Commerce
- Stage:Seed, Convertible Note, Pre-Seed
- Geography: Bulgaria, United States, United Kingdom
Investor stats
- Total investments: 195
- Round size: Seed $28k–$2.3M; Pre-Seed $55k–$1.1M; Convertible Note $28k–$120k
- Lead/follow: 33% lead, 67% follow
- Last fund: Likely still investing — raised $68M in 2022
Portfolio highlights
- Flataway.ai — Flataway - the home of subscription living. Live & work from anywhere in a trusted proffessionally managed accomodation.
- nFuse.ai — nFuse scales your B2B sales with AI. Up to 30% revenue uplift, $1 per order processing cost, live in 30 days. No new apps, no behavior change.
- Blue Longevity — Expert care for a healthier, longer life. Opening soon Athens | Istanbul | Sofia
Openfund is a new seed capital venture, focusing on start-ups around software, mobile and the web. Based in Athens, Greece, the Openfund brings together an exceptional team of executives, an extensive list of advisors and a number of passionate investors to provide everything a team of entrepreneurs needs to turn ideas into products and success.
Show more...Investment focus
- Industry: Software, E-Commerce, Mobile
- Stage:Seed, Series A, Pre-Seed
- Geography: Greece, United Kingdom, United States
Investor stats
- Total investments: 52
- Round size: Seed $55k–$675k; Series A $1.5M–$5M
- Lead/follow: 17% lead, 83% follow
- Last fund: May invest from a new fund soon — raised $20M in 2013
Portfolio highlights
- EverythingStore — Multi-crypto e-commerce for buying and selling goods on any blockchain.
- Rocketgraph —
- Tribe Wearables — OLXTOTO adalah platform terpercaya yang menghadirkan pengalaman bermain Toto Macau dan Toto Online dengan sistem modern, aman, dan mudah digunakan.
KOWN is a mobile investor club, which empowers people to discover, discuss and invest in pre-seed stealth tech startups from east Europe.
Show more...Investment focus
- Industry: Sensor, Big Data, Agriculture
- Stage:Seed, Pre-Seed
- Geography: Bulgaria
Investor stats
- Total investments: 2
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- Bee Smart Technologies — Bee Smart Technologies (BST) is a hi-tech company bringing breakthrough innovation to the global beekeeping industry. The value proposition of BST is simple – increase overall honeybee health and decrease operating costs for beekeepers through smart integration of sensor technology and bio-based algorithms. Our technology delivers unprecedentedremote diagnostic capabilities and moves the entire industry into the digital age.
Hesham Zreik is the CEO of FasterCapital. He previously worked at DreamApps as a Project Manager. Hesham attended the University of Westminster.
Show more...Investment focus
- Industry: Information Technology, Software, E-Commerce
- Stage:Pre-Seed, Seed, Series A
- Geography: United States, India, Nigeria
Investor stats
- Total investments: 1171
- Round size: Seed $20k–$2M; Pre-Seed $10k–$1M; Series A $170k–$5M
- Lead/follow: 53% lead, 47% follow
Portfolio highlights
- Groccery store — Groccery store is a local Groccery store based in Hlotse, Leribe, Lesotho, designed to address a key challenge in the community
- Excel And Impact Agro — Excel And Impact Agro aims to tackle the chronic shortage of vegetable production in Côte d'Ivoire.
- Mercy Community School — Mercy Community School is a community-driven education initiative based in Linda Compound, Lusaka, Zambia.
XO is a 6 month long global program with KPI based objectives that guarantees investment upon program completion.
Show more...Investment focus
- Industry: Software, Information Technology, Mobile
- Stage:Seed, Pre-Seed
- Geography: Turkey, France, Bulgaria
Investor stats
- Total investments: 11
- Round size: Seed $6.8k–$100k
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- Ottoo — Ottoo is a connected car and mobility platform that provides customized application solutions to mobility industries through real-time processing of behavioral, diagnostic, and contextual data. The artificial intelligence explores connections and correlations in a data set and improves opportunity for monetization across the value chain.Ready-to-deploy mobility, connected vehicles, and V2X components makes it very cost-efficient for clients to ship their mobility solution. The company aims to lead the paradigm shift of the automotive industry where all the focus is turning back on the user experience.
- Onlock — Onlock Smart Lock is a smart lock ecosystem that adapted for the Europe and Turkey market and compatible most of the lock systems on the market. It allows users to lock/unlock their doors over its mobile application. Main advantage of Onlock is that it does not block your current lock system and allows that you can still use your regularphysical key without having an issue. Also, it does not require any additional tool nor drilling to install on your door. It is mounted inside of your house thus you can assure it is safe and its security is ensured by end-to-end encryption standard.Onlock is a solution for everyone that - frequently losing key - forgetting keys somewhere - losing time to search keys around - being afraid of security issues rising from cloning physical keys - suffering of changing lock system often - looking comfort of smart home system - sharing house with others - wanting to know who is in or out, when - and more...However, Onlock Smart Lock is best for people who - manages keys due to the short-term home rentals such as airbnb, homeaway - employs domestic workers like babysitter, nurse, housekeeper - runs Real-Estate Agency that has many houses in their portfolio to manage their keys and allow the people to enter and explore the house easily - has enterprise that may need to control the some rooms to be used as depot or cellar - has small offices that have to share keys with its employees - and so on...Onlock has a Smart Lock in its portfolio so far and wants to increase its product bundle with smart lock ecosystem that enables the comfort of people while enabling new business opportunities and unique user experiences through new smart home lifestyle.
- KolayBi — KolayBi' is a new generation cloud based bookkeeping and financial application platform with online bank account aggregation for SMEs. People can manage accounting processes, register data, and generate reports by recording its financial records . People can also add bank accounts to the system and convert their payments into a one-clickinvoice. KolayBi' was founded on 2017 and is headquartered in Istanbul.
Big Data Investor funding in Bulgaria at a glance
Stats across 17 deals from 14 investors.
Access all 14 investors in Bulgaria Big Data startups.
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