Series A · AI

Arlequin AI raises €28M Series A co-led by Redalpine and OTB Ventures

The financing will expand Arlequin’s international team and deployment of its data-analysis technology.

Bpifrance’s Defence Innovation Fund, Vsquared Ventures, 10x Founders and Xavier Niel also backed the round.

Arlequin plans to add people developing and training its proprietary models and support wider international use. Its technology is already used by governments and large organizations in Western and Eastern Europe, making the Series A an expansion of existing deployments.

Use of funds

Expand the international team developing and training its proprietary models

Support international deployment of its technology

Funding history

Series A · This round€28M

Sources

  1. Arlequin AI lands €28M to scale topological neural network technologytech.eu · Sep 10, 2026
  2. Tech.eu Funding Explorer: Arlequin AI funding record (2026-09-10)funding.tech.eu