Silex

Silex is a Swiss LegalTech company specializing in AI-powered legal intelligence solutions. Founded in 2023, it emerged as the first LegalTech spin-off from the École polytechnique fédérale de Lausanne (EPFL). Silex offers a platform designed to automate complex legal research, document drafting, and knowledge management, focusing on high-precision legal intelligence. The company is headquartered in Lausanne, Switzerland, and operates with a team size of 11-50 employees. Silex has secured a total funding of $2.15 million, with its latest pre-seed round completed in February 2025. The platform is utilized by over 700 organizations, including law firms, notary offices, tax advisories, and corporate legal departments. Silex's AI infrastructure is built specifically for legal applications, ensuring data confidentiality and providing verifiable, source-grounded answers. The company is led by CEO Kyriaki Bongard and co-founder Thomas Gauthier.

Product Overview

Silex is a Swiss AI-powered legal research platform developed by Ex Nunc Intelligence SA, designed to assist legal professionals in navigating the complexities of Swiss law. Established in 2023 and launched in 2025, Silex offers a comprehensive suite of tools that streamline legal research, document drafting, and knowledge management. The platform is built upon a centralized legal database that consolidates all applicable legal sources, ensuring that users have access to the most current and relevant information. Key features include AI models designed specifically for legal reasoning, integration of exclusive digital doctrine for enriched understanding, and a 'Silos' feature for secure integration. Silex operates on a subscription-based pricing model and is deployed on the cloud. The company is headquartered in Lausanne, Switzerland.

Features

  • AI-powered legal research platform tailored for Swiss law
  • Centralized legal database consolidating all applicable legal sources
  • AI models designed specifically for legal reasoning
  • Integration of exclusive digital doctrine for enriched understanding
  • 'Silos' feature for secure integration of internal documents
  • Data hosted exclusively in Switzerland for compliance and confidentiality
  • Designed to reduce time spent on legal research and increase case processing efficiency
  • Emphasis on traceability and active hallucination reduction in AI outputs

Company Details

Headquarters
🇨🇭 Lausanne, Switzerland
Founded
2023
Type
Legal Tech Vendor
Founders
Kyriaki Bongard, Thomas Gauthier
Pricing
Subscription
Deployment
Cloud