Paris, 18 December 2025 – Seven2, a leading Pan-European mid-market Private Equity firm, announces the acquisition of a stake in ILLUIN Technology (“ILLUIN” or “the Company”), a software and consulting firm delivering bespoke artificial intelligence solutions for large corporates. As part of this transaction, Seven2 becomes the majority shareholder alongside CEO and co-founder Robert Vesoul, who retains a significant stake, and the management team, which is increasing its participation.
Seven2 is investing in ILLUIN through its Apax Development Fund II.
ILLUIN, a reference partner in designing and delivering transformative AI solutions for large organizations.
Founded in 2017, ILLUIN has rapidly established itself as a preferred partner for major French and international corporations, supporting them in their transformation journey by leveraging the full potential of AI and intelligent automation.
The Company designs and deploys cutting-edge AI solutions for business process automation, complex data analysis, and customer experience enhancement, through a comprehensive offering covering data science, data engineering, and software development.
ILLUIN’s proprietary software suite offers a complete range of custom AI, Data & Software services including chatbots, callbots, document analysis systems, intelligent search engines, and voice recognition tools. These products leverage state-of-the-art AI models (Gemini, OpenAI, Mistral, Anthropic, Qwen…), are hosted on cloud-agnostic infrastructure (AWS, Azure, GCP, OVH…), and are natively integrated with leading B2B applications (M365, Salesforce, WhatsApp…).
ILLUIN also distinguishes itself through its proprietary low-code platform nAIxt, which enables sovereign and flexible orchestration of different AI models.
With a team of over 120 experts, ILLUIN today supports a portfolio of over 85 major corporations across banking, insurance, energy, logistics, transport, etc. The company is experiencing rapid expansion increased its software suite contract value more than fourfold in 2025, driven by surging enterprise demand for sovereign AI solutions and the accelerating adoption of generative AI across European markets.
Leveraging Seven2’s Tech expertise for ILLUIN Technology’s strategic expansion
Bringing deep expertise in Tech, particularly in IT Services and B2B Software, Seven2 intends to support ILLUIN’s development to meet accelerating demand, strengthen its technical and commercial capabilities, expand its sector expertise, and consolidate its position as a reference partner in operational transformation. The group aims to strengthen its offering in France and Europe through organic development or targeted acquisitions.
This 4th investment by the Apax Development Fund II, in its final fundraising stage, underscores Seven2’s long-term conviction that AI represents an enduring trend, and that its responsible and strategic adoption is critical to achieving sustainable growth.
Bérenger Mistral, Partner at Seven2, declared: “We are proud to support a pioneering French AI company and to leverage our expertise and network to accelerate its growth. ILLUIN perfectly embodies our ambition to make AI a strategic differentiator across our portfolio. We look forward to working with Robert and his team to accelerate its expansion across Europe and strengthen its position as the go-to partner for enterprises deploying sovereign AI solutions at scale”
Robert Vesoul, CEO & Co-founder of Illuin, added: “”This transaction marks a new chapter for ILLUIN Technology: scaling our product and R&D investments, continuing to offer the best conditions for deploying AI and agentic AI systems at very large scale, and accelerating our go-to-market. It also supports our European expansion, driven by the international needs of our large corporate clients, and our ability to attract top-tier tech talent. With Seven2 by our side, we share the same ambition: to develop sovereign French and European AI solutions, and support the players who make them concrete and deployable at scale.”
* This document is a marketing communication. Please Refer to the by-laws and the fund’s information document before making any final investment decision. Investing in Apax Development Fund II involves a risk of loss of capital and liquidity. Past performance does not predict future return.
