February 12, 2024

Flower Labs raises $20M Series A

Flower Labs

Investment raised

USD 20M

Valuation

Stage

Region

🏆 Deal of the Week · CW 7/2024

Flower Labs raised USD 20 million in a Series A round in February 2024; the company's valuation was not disclosed. The round drew participation from a broad syndicate of institutional and strategic investors across the machine learning ecosystem.

Flower Labs — key deal facts

Company Flower Labs
Founded 2023
Headquarters Hamburg, Germany
Amount raised USD 20M
Valuation Valuation Remains Undisclosed
Round Series A
Investors Betaworks Clément Delangue Factorial Capital Felicis First Spark Ventures Mozilla Ventures Pioneer Fund Scott Chacon Y Combinator
Sectors Machine Learning

Who invested in Flower Labs?

The Series A was backed by Betaworks, Clément Delangue, Factorial Capital, Felicis, First Spark Ventures, Mozilla Ventures, Pioneer Fund, Scott Chacon, and Y Combinator. The investor mix is notable for combining specialist AI funds with strategic backers such as Mozilla Ventures and Hugging Face co-founder Clément Delangue, signalling strong interest from the open-source ML community. Y Combinator's participation also reflects the company's roots in the accelerator programme.

What does Flower Labs do?

Flower Labs develops the open-source Flower framework, which allows organisations to train AI models on distributed private data using federated learning — without centralising that data. The framework is compatible with PyTorch, TensorFlow, and other major ML libraries, making it framework-agnostic and highly customisable. The company was founded in 2023 by Daniel J. Beutel (CEO), Taner Topal (COO), and Nicholas Lane (CSO), originating from a research project at the University of Cambridge. Flower Labs is headquartered in Hamburg, Germany, with additional operations in Cambridge, UK.

Flower Labs valuation & multiples

Explore the benchmarks: Series A Machine Learning.

Frequently asked questions

How much did Flower Labs raise in its Series A?

Flower Labs raised USD 20 million in its Series A round, announced in February 2024.

What is Flower Labs's valuation?

Flower Labs's valuation was not disclosed in connection with this Series A round.

Who invested in Flower Labs?

The round's investors include Betaworks, Clément Delangue, Factorial Capital, Felicis, First Spark Ventures, Mozilla Ventures, Pioneer Fund, Scott Chacon, and Y Combinator.

When was Flower Labs founded and where is it based?

Flower Labs was founded in 2023 and is headquartered in Hamburg, Germany.

Source: original announcement — read the full report.

VENIONAIRE DEALMATRIX MULTIPLES

Stop guessing your multiple.

DealMatrix gives you market-realistic EV/Sales and EV/EBITDA multiples for private companies, filtered by sector, stage and region, built on 20 years of data and IPEV-2025-compliant.