InvestorEmpowering local heroes to build global success.
Sofia Tech Park says SEEIP serves Bulgarian and Southeast European startups in ICT, green energy, and life sciences, and describes collaboration with its 11-laboratory research complex. SEEIP invites scientific, deep-tech, and research-based founders to apply; the inspected page does not provide a dated intake window or specify a Sofia-residency requirement. (Claims 36048 and 36049)
Sofia Tech Park says SEEIP serves Bulgarian and Southeast European startups in ICT, green energy, and life sciences, and describes collaboration with its 11-laboratory research complex. SEEIP invites scientific, deep-tech, and research-based founders to apply; the inspected page does not provide a dated intake window or specify a Sofia-residency requirement. (Claims 36048 and 36049)
SEEIP lists a BGN 3,500 annual cap, excluding VAT, for qualifying lab services for early-stage member companies, with 30% company co-financing; dates are not stated. EnduroSat says it was founded in 2015 and lists its headquarters in Sofia, but the retained excerpt does not specify its founding city. In an October 30, 2025, company announcement, EnduroSat reported a $104 million funding round and a Sofia Space Center with capacity for up to two 200–500 kg satellites per day. (Claims 36050, 36051, and 36052)
StartupBlink’s September 2026 page ranked Sofia 117th globally and first nationally, using total investment, employee count, and quarterly website traffic in its stated scoring algorithm. Startup Genome reported a $3 billion Sofia ecosystem value and $63 million in seed and Series A funding for H2 2023–2025, plus a $1 billion exit amount for 2021–2025; its profile displayed no rank. These are publisher-attributed measures for the stated periods. (Claims 36055 and 36056)
Startup ecosystem standing
| Ranking | Edition | Position | Since last edition | Trust | What it measures |
|---|---|---|---|---|---|
| GFCI 40 | #115 | No prior edition | B | Finance, Competitiveness, Business Climate | |
| 2025 | #129 | No prior edition | B | Ecosystem, Activity, Finance, Business Climate | |
| 2026 | 81 to 90 | No prior edition | C | Ecosystem, Performance, Finance, Talent |
56 organizations with a profile
InvestorEmpowering local heroes to build global success.
InvestorEmpowering Bulgarian SMEs and innovative projects.
InvestorInvesting in early-stage technology for a sustainable future.
The 3 most prominent of 39. Browse all investors
AcceleratorReview Block Labs's documented accelerator identity, programs, and sources.
AcceleratorSupporting research-based startups in the Balkans.
AcceleratorEmpowering innovators to transform ideas into reality.
The 3 most prominent of 11. Browse all accelerators
Venture studioBuilding the future of Web3 technology.
Venture studioBuilding and growing startups in gaming and entertainment.
Venture studioBuilding community-oriented startups for global impact.
The 3 most prominent of 4. Browse all venture studios
IncubatorConnecting innovation and talent for business growth.
IncubatorEmpowering entrepreneurship through technology.
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Investors based here, and the programs that take teams at your stage.
Get investor introsAccelerators and incubators here see the earliest teams first.
Get startups that fitCampuses and communities are where teams form before anyone funds them.
Start scoutingFrom public sources
Startup Genome reports $63 million early-stage funding and $1 billion exit amount over its stated periods.
Source: Sofia Ecosystem by the NumbersStartup Genome reports $3 billion Sofia ecosystem value for H2 2023 to 2025 and says the metric includes exits, startup valuations, and active unicorns.
Source: Sofia Ecosystem by the NumbersStartupBlink's September 2026 page ranks Sofia 117th globally and first nationally using investment, employee count, and quarterly website traffic.
Source: Top Startups in SofiaEnduroSat reported opening a Sofia manufacturing center in 2025 with stated capacity for two 200 to 500 kg satellites a day.
Source: EnduroSat to Scale Satellite Production with New Funding and Space CenterEnduroSat announced a $104 million round in October 2025 and stated capacity for two ESPA-class satellites per day.
Source: EnduroSat to Scale Satellite Production with New Funding and Space CenterEnduroSat lists its headquarters in Sofia.
Source: EnduroSat UnveiledSofia is #129 of 1,473 in StartupBlink Index (cities) (2025). It appears in 3 published rankings; the table above lists each one.
39 investors based in Sofia have a profile here, including Eleven Ventures, Fund of Funds in Bulgaria (FMFIB) and Ocean Investments. The real number is higher.
Yes. Sofia has 11 accelerators, 2 incubators and 4 venture studios on record, including Block Labs, Main Assembly and 4 Point O Labs.
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