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Flower Labs

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Machine learning that allows for distributed training of models across multiple devices

Hamburg, GermanyFounded 2020AI
Valuation $100–250M Last recorded · 2024
Revenue $1–10M Latest reported FY
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Flower Labs and the history behind them.

About Flower Labs

Flower Labs provides a foundational open-source framework for a decentralized approach to artificial intelligence, centered on federated learning. This method allows AI models to be trained on distributed data sources without centralizing the data itself, addressing critical privacy and data sovereignty concerns. The company's core product is the Flower framework, which is engineered to be platform-agnostic, supporting a wide array of machine learning frameworks like PyTorch and TensorFlow. This flexibility allows for its deployment across diverse environments, including mobile devices, edge computing hardware, and traditional cloud infrastructure.

The genesis of Flower was a research project at the University of Cambridge in 2020, started by Daniel J. Beutel, Taner Topal, and Nicholas Lane. The founders' combined expertise forms the company's technical bedrock. Beutel, the CEO, brings experience as a Head of AI and CTO, with a background from the University of Oxford and Cambridge. COO Taner Topal also has a history in engineering and CTO roles. Chief Scientific Officer Nicholas Lane is a Professor of Machine Learning Systems at Cambridge and has extensive experience in industrial research at institutions like Nokia Bell Labs and Microsoft Research. The trio officially founded Flower Labs in Hamburg, Germany, in 2023, building upon their initial open-source community focus.

The business model is anchored in the open-source Flower framework, which is freely available and fostered by a community of thousands of developers and researchers from top universities. The company serves enterprises in high-value sectors such as telecommunications, automotive, finance, and healthcare. Clients like Nokia, Porsche, Samsung, and Brave use Flower to improve their AI models using sensitive, siloed data that cannot be moved. Revenue generation is expected to come from an enterprise platform, currently in development, which will work alongside the open-source framework to simplify federated AI solutions for commercial users.

Flower Labs has secured significant financial backing to execute its vision. After graduating from the Y Combinator (Winter 2023 batch), the company raised a $3.6 million pre-seed round. This was followed by a substantial $20 million Series A round in February 2024, led by Felicis, with participation from First Spark Ventures, Mozilla Ventures, and notable angel investors including the CEO of Hugging Face and a co-founder of GitHub. This funding is aimed at accelerating the adoption of decentralized AI and building out its enterprise-grade platform.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2020
Headquarters
Hamburg, Germany
Employees
82
Open positions
None listed
Dealroom signal
73.2/100
Sector
AI, Privacy Protection, Core AI, Novel AI, Generative AI, MLops, genAI Operation Layer, Privacy-Enhancing Technologies, Hard Tech, YC W23, DT and LS
Technology
Artificial Intelligence, Deep Tech
Business model
SaaS
Client focus
b2b

Funding history

3 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES A✓Equity / VC Feb 2024 $20M $100M First Spark Ventures · Factorial Capital · Y Combinator · Scott Chacon ↗
SEED✓Equity / VC Aug 2023 $3.6M $14M Clément Delangue · First Spark Ventures · Factorial Capital · Pioneer Fund ↗
Showing the latest 2 of 3 recorded eventsBook a demo for the full funding history →

Financials

Revenue over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

YearRevenueGrowth
2026
2025
2024
2023 —
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Growth signals

Flower Labs website traffic

Latest recorded traffic for Flower Labs is 65K monthly website visits, down 4.4% over the last three months. Flower Labs's team grew 0% over the past year.

Latest monthly visits65K 3-month web change-4.4% 1-year team growth0%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

10 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed6 investors entered at this stage

Series A3 investors entered at this stage

Other known investors1 additional known investor

  • Aaron Sisto
Team profiled 8 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 2 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
5 countries with
team presence
🇩🇪 Germany33.3%
🇬🇧 United Kingdom28.6%
🇺🇸 United States23.8%
🇫🇷 France9.5%
🇮🇳 India4.8%
5 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Flower Labs on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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