Paris, January 18, 2026 – Extens, a leading European investor in healthcare software, together withBpifrance and BNP Paribas Développement, is supporting the growth of Orthalis and financing the acquisition of the Dentalsoft Group. This transaction gives rise to SignalSoft Développement, a new leading entity dedicated to software solutions for orthodontic professionals.
This strategic move significantly reinforces Orthalis’s position as a market leader while actively contributing to the consolidation of a still-fragmented sector. By combining complementary expertise, strong customer bases, and recognized solutions, the group is now equipped with the resources needed to accelerate its development.
An Ambitious Industrial Project Focused on Product Value and European Expansion
The merger between Orthalis and Dentalsoft marks the beginning of a new growth phase for the formed group. The group plans to make substantial investments in enhancing the functional depth of its software solutions, ensuring they continue to meet the operational needs of orthodontists and the evolving demands of their practice.
The integration of teams and expertise will accelerate the development of high-value features, improve user experience, and strengthen the robustness of the platforms offered. Additionally, this transaction provides the group with a solid foundation to expand into new European markets and pursue targeted external growth opportunities.
This operation builds on the long-standing development efforts led by Gérard Guillerm and his son Arnaud, who have successfully grown Orthalis around a clear vision of the profession and a relentless commitment to product quality. Their dedication—combining industry expertise, close collaboration with practitioners, and a capacity for innovation—has established Orthalis as a benchmark player in its market and laid the groundwork for this new phase of growth.
Strengthened Governance to Drive the Merger
The leadership of the merger project and the implementation of the strategic roadmap have been entrusted to Laurent Urien, CEO of SignalSoft Développement, who will oversee the integration of teams and the execution of the group’s growth ambitions.
"This merger represents true recognition of the work accomplished by the Orqual Group over the years. It positions Orthalis to establish itself as a lasting leader in its market, serving orthodontists," states Gérard Guillerm, CEO of Orqual Group.
"I am delighted by the development project we are building. The combination of Orthalis and Dentalsoft creates a cohesive entity with an enhanced offering and strong growth potential in Europe. Our priority is to translate this industrial ambition into tangible value for our customers," declares Laurent Urien, CEO of SignalSoft Développement.
"We are thrilled to support this transformative transaction, which solidifies Orthalis’s position as a benchmark player in its market. This acquisition perfectly embodies our commitment to backing consolidation projects centered on robust platforms, driven by a clear product vision and ambitious teams," comment Charles Bourgain, Executive Director, and Vincent Céré, Associate at Extens.