Top 4 Accelerators and Incubators in Sofia (2026)

Sofia's startup environment is growing, supported by a core group of local accelerators. These programs provide early funding and guidance to new companies in the region.

Innovation Capital is a major player, with around 200 investments in new businesses. The city also has programs focused on specific areas like blockchain technology.

Below is our list of the best 4 accelerators and incubators in Sofia.

Failory's Top 4 Picks

1. Innovation Capital

Backing pre-seed and seed stage startups across Eastern Europe, Innovation Capital operates a €21.1 million venture fund alongside its acceleration program. This sector-agnostic model has fueled a portfolio of over 200 companies, providing the essential capital and guidance for early growth.

2. Vitosha Venture Partners

Vitosha Venture Partners champions Bulgarian startups with a €26M fund that provides capital from acceleration to post-seed rounds. Beyond funding, they offer crucial mentorship and network access to help early-stage companies build and scale.

3. AE Ventures

As a venture builder for the blockchain industry, AE Ventures helps launch and grow early-stage startups. They provide strategic support and industry connections to drive the adoption of decentralized technologies.

4. Starfleet

Starfleet accelerates the growth of early-stage startups building decentralized applications on the aeternity blockchain. They provide seed funding and expert mentorship to help these projects launch and expand the aeternity ecosystem.