1947
Ernest Duffo forms Garantie Médicale et Chirurgicale (cover for medical treatment and surgery) offering companies modular healthcare policies for their employees.
1954
Rémy Robinet-Duffo creates the "Garantie Obsèques" (funeral solution). The objective is to better support families, companies and local authorities regarding funeral. 
1964
The Group launches its joint brokerage business. 
1981
The group launches its International Department and international healthcare solutions dedicated to expatriates. 
1990
The Group creates the Henner-GMC healthcare network, providing members with access to a network of healthcare professionals with direct settlement arrangements in place. 
2015
In October, the Group signs a partnership agreement with AGEFIPH––an association for the professional insertion of disabled individuals––to show its ongoing commitment towards disabled people in the workplace. 
2015
In November, the Group’s 700 employees at its head office relocate to new premises in Neuilly-sur-Seine. Initially located in rue Henner, in the 9th district of Paris, the move marks a historical change for the Group. 
2016
The Group obtains ISO 27001 certification for the protection of its client data and, more broadly, the security of its information system. 
2016
The mobile application myHenner was born to allow our millions of insured members to access their accounts on their mobile. They can now, at any time, manage their health coverage, communicate with their client service and get help on a daily basis. 
2017
The Henner Group was proud to celebrate its 70th birthday 
2019
The Henner Group opens a new branch in Abidjan, Côte d’Ivoire, in 2019. 
2020
The Henner Group opens a new branch in Madrid, Spain, in 2020. 
1937
Ernest Duffo establishes Service Médical, a healthcare and services network allowing subscribing members to cover their healthcare expenses. The system is somewhat reminiscent of the French Social Security system created in 1945. 1947
Ernest Duffo forms Garantie Médicale et Chirurgicale (cover for medical treatment and surgery) offering companies modular healthcare policies for their employees. 1954
Rémy Robinet-Duffo creates the "Garantie Obsèques" (funeral solution). The objective is to better support families, companies and local authorities regarding funeral. 1964
The Group launches its joint brokerage business. 1981
The group launches its International Department and international healthcare solutions dedicated to expatriates 1990
The Group creates the Henner-GMC healthcare network, providing members with access to a network of healthcare professionals with direct settlement arrangements in place. 2015
The Group signs a partnership agreement with AGEFIPH––an association for the professional insertion of disabled individuals––to show its ongoing commitment towards disabled people in the workplace. 2015
The Group’s 700 employees at its head office relocate to new premises in Neuilly-sur-Seine. Initially located in rue Henner, in the 9th district of Paris, the move marks a historical change for the Group. 2016
The Group obtains ISO 27001 certification for the protection of its client data and, more broadly, the security of its information system. 
2016
The mobile application myHenner was born to allow our millions of insured members to access their accounts on their mobile. They can now, at any time, manage their health coverage, communicate with their client service and get help on a daily basis. 
2017
The Henner Group was proud to celebrate its 70th birthday 2019
The Henner Group opens a new branch in Abidjan, Côte d’Ivoire, in 2019. 2020
The Henner Group opens a new branch in Madrid, Spain, in 2020. 
