TopK, a San Francisco, CA-based search engine built for modern AI applications, has raised €4.6 million in seed funding.
Investors
The round was backed by Earlybird, KAYA, Irregular Expressions, and several angel investors.
TopK Use of Funds
The company will use the funding to grow its engineering team, enhance its enterprise offering, and support large-scale search use cases with advanced hybrid retrieval capabilities.
About TopK
Founded in 2024 by Marek Galovič and Jerguš Lejko, TopK is an AI-native search engine built for the AI era. Its platform merges vector search, keyword matching, filtering, and custom ranking into one scalable system, enabling high-performance, domain-specific search across structured and unstructured data. Headquartered in San Francisco, TopK empowers teams in the e-commerce, healthcare, and finance industries to optimize retrieval quality and system efficiency.
Funding Details
Company: TopK, Inc.
Raised: €4.6M
Round: Seed
Funding Date: July 2025
Investors: Earlybird, KAYA, Irregular Expressions
Company Website: https://www.topk.io/
Software Category: AI Search / Query Engines / Developer Tools / Vector Databases
Source: https://www.eu-startups.com/2025/07/czech-startup-topk-raises-e4-6-million-to-build-an-ai-native-search-engine-for-enterprises/