Avelsen is a Paris-based technology consulting firm serving scale-ups and the digital factories of large companies. Its senior consultants work within client teams on data and artificial intelligence, software engineering, and platform engineering, helping organizations develop and operate modern digital capabilities.

The firm’s expertise includes generative AI and AI agents, data platforms, analytics engineering, MLOps, governance, and evaluation. Its software engineering services cover AI applications, large language model integration, architecture, modernization, quality, and delivery. Platform engineering work includes GenAI platforms, cloud infrastructure, infrastructure as code, DevOps, LLMOps, security, and cost management.

Avelsen reports production engagements across pharmaceuticals, industry, and technology, including multi-agent systems for regulated marketing content, automated regulatory document generation, and AI platforms for internal operations. It also serves healthcare, aerospace and defense, financial services, energy, retail, media, and technology businesses. The firm highlights independent CyberVadis Gold and EcoVadis Silver assessments for cybersecurity and responsibility. Avelsen presents itself as an embedded technical partner for organizations advancing data, AI, software, and cloud initiatives.