10 Best Ai Startups in Sofia to Watch in 2025

The Definitive Seedtable Ranking of Ai Startups in Sofia

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 10 start-ups with an aggregate funding of $7.2m. The average funding per company in this subset is $718.0k.

Last update to the database: Sep 30, 2025. See changelog.

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1

Funding Rounds

$32.0k

Money raised

Wonder Swamp is a marketing studio founded by Kalin Iliev.

1

Funding Rounds

$50.0k

Money raised

Image Recognition PaaS offering Image Tagging APIs for developers and businesses to build scalable, image-heavy cloud applications.

Location:

Key people:

4

Funding Rounds

$1.3m

Money raised

a4everyone is an analytics for everyone

1

Funding Rounds

$860.0k

Money raised

SessionStack is helping teams easily identify and reproduce problems in their web applications and websites.

Industries:

Location:

2

Funding Rounds

$154.0k

Money raised

Humans in the Loop provides model training and validation services for Machine Learning.

1

Funding Rounds

$173.7k

Money raised

Transmetrics is a company founded in 2013.

1

Funding Rounds

$670.0k

Money raised

Releva provides the global rails for real-time revenue operations and recommits to empathy in automated brand communication.

Location:

1

Funding Rounds

$790.0k

Money raised

AI-powered energy management platform.

Location:

Key people:

1

Funding Rounds

$670.0k

Money raised

Thinkpilot is an AI workspace for product managers founded in 2024 by Kiril Dimitrov , Megan Wolff, Stoimen Veselinov and Antonio Iliev.

1

Funding Rounds

$2.5m

Money raised

Transmetrics is an AI-driven logistics platform.

Location:

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