In which cases is it necessary to appoint a DPO?
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By 
Bertrand Bucelle · 1 min read
In brief
- Appointing a DPO is mandatory for the public sector and certain sensitive processing activities.
- It is strongly recommended for any organisation wishing to structure its GDPR compliance.
- A shared DPO is possible for organisations that cannot hire one internally.
When is appointing a DPO mandatory?
The GDPR requires the appointment of a Data Protection Officer (DPO) in three main situations. First, for all public authorities and bodies, regardless of the size of the organisation. Second, for organisations whose core activities consist of carrying out large-scale processing requiring regular and systematic monitoring of data subjects. Finally, when processing involves, on a large scale, sensitive data — health data, political opinions, biometric data or data relating to criminal convictions, for example. Outside these cases, appointment remains optional, but it constitutes a strong signal of maturity in terms of data protection.
- Public bodies (local authorities, public institutions…)
- Large-scale processing of sensitive data
- Regular and systematic large-scale monitoring of individuals
Why appoint a DPO even without being required to?
Even when it is not imposed by the regulation, appointing a DPO — internal, external or shared — makes it possible to centralise compliance management, raise awareness among teams and respond effectively to requests from data subjects. It is also a lever for building trust with clients, partners and supervisory authorities. Data Comply One supports SMEs, mid-sized companies, local authorities and firms in this process by offering a SaaS platform designed to facilitate the DPO's day-to-day work: processing activity mapping, request management, corrective action tracking and compliance reporting. Having a structured tool enables the DPO, regardless of their status, to improve efficiency and document their approach in an auditable manner.