The startup behind open source tool Polars raises $21M from Accel

September 29, 2025 at 01:05 PM UTC
TechCrunch Europe
Original: EN
The startup behind open source tool Polars raises $21M from Accel

A Dutch-based startup driving the development of the open-source data processing tool Polars has secured a substantial €18 million Series A funding round, spearheaded by the venture capital firm Accel. This significant investment highlights the growing importance of efficient data processing capabilities within the European tech landscape and underscores the appeal of open-source solutions for data-intensive applications. The funding also reflects the increasing interest in European technology alternatives and digital sovereignty. Polars, the open-source project at the heart of this investment, is a data processing engine built using the Rust programming language. The tool distinguishes itself by aiming to outperform similar data processing solutions, particularly those built on established technologies. This performance advantage is crucial for businesses across various sectors seeking to optimize their data workflows and maintain a competitive edge. The funding will empower the startup to accelerate the development of Polars and expand its functionalities, potentially leading to more efficient and accessible data processing tools for businesses of all sizes. This investment in European technological development could stimulate innovation within the data analytics sector and bolster the continent's digital sovereignty by fostering alternatives to US-dominated technologies. The investment underscores a wider trend of investment in open-source tools across Europe. This funding round will likely influence the competitive landscape of data processing tools, with the continued development of Polars potentially driving adoption among European businesses prioritizing performance and data control. As Europe further emphasizes its digital sovereignty goals, the success of projects like Polars will be closely monitored.

To provide multilingual access, this article summary was automatically generated.

Source Information

Publication: TechCrunch Europe
Published: September 29, 2025 at 01:05 PM UTC
All rights remain with the original publisher.