
Blockbrain, a Stuttgart, Germany-based AI-powered platform for enterprise knowledge management and process automation, has secured €17.5 million in Series A funding, bringing its total funding to €23 million.
Investors
The round was led by Alstin Capital and 13books Capital, with participation from the HARTING Family Foundation and follow-on investments from Giesecke+Devrient Ventures, Landesbank Baden-Württemberg Ventures, and Mätch VC.
Alstin Capital is a Munich-based early-stage venture capital fund that focuses on B2B software across Europe. Founded in 2012, it invests in fast-growing late-seed and Series A companies. Beyond funding, Alstin actively supports founders with sales coaching, go-to-market strategies, marketing and PR, scaling advice, and access to industry contacts.
13books Capital is a London-based venture capital firm that invests in tomorrow’s financial technology, with a mission to back Europe’s boldest and best founders. 13books invests in fintech and adjacent sectors from seed to Series A. Coupled with the experience and knowledge of its extensive network, 13books Capital supports tech pioneers in realizing their ambitions to scale globally.
Blockbrain Use of Funds
The funding will be used to enhance platform security, compliance, and governance, develop specialized AI knowledge agents, expand operations across Europe and the UK, and grow its team of Forward-Deployed AI Engineers.
About Blockbrain
Founded in 2022 by Antonius Gress, Mattias Protzmann, and Nam Hai Ngo, Blockbrain is an AI platform that enables companies to securely digitize expertise, processes, and decision-making logic for organization-wide use. Its no-code platform is designed for knowledge-intensive, highly regulated, and security-sensitive environments, meeting stringent standards for data protection, governance, and IT security. Headquartered in Stuttgart, Germany, Blockbrain is GDPR-compliant, ISO 27001-certified, and already fully prepared for the requirements of the EU AI Act. Blockbrain serves clients such as Roland Berger, Bosch & Bosch Rexroth, Kärcher, fischer, Harting, Eberspächer, Bardehle Pagenberg, CHG Meridian, Domcura, and Seifert Logistics Group.
Funding Details
Company: Blockbrain GmbH
Raised: €17.5M
Round: Series A
Funding Date: February 2026
Lead Investors: Alstin Capital, 13books Capital
Additional Investors: HARTING Family Foundation, Giesecke+Devrient Ventures, Landesbank Baden-Württemberg Ventures, Mätch VC
Company Website: https://blockbrain.ai/
Software Category: Enterprise AI / Knowledge Management Agents
Source: https://blockbrain.ai/en/press/blockbrain-secures-%E2%82%AC17-5mn-series-a-funding-to-accelerate-responsible-ai-agents-against-company-knowledge-loss