The core activity of Diaconis is providing services in the areas of elderly care, palliative care, and work integration. Specifically, this includes:
* Housing and care for older people, including comprehensive care, holiday and transitional care, as well as serviced living
* Palliative care for people with incurable, advanced illnesses
* Work integration, including job placement, apprenticeship coaching, and coaching for job seekers
In addition, the company also offers gastronomy services.