Whistleblowing in Europe: Legislative Requirements and Best Practices

Mainstream

Whistleblowing in Europe is not just about installing a hotline. It is a strategic tool for early risk identification, reputation protection and business preservation.

The main question is not what software to buy and how to quickly comply with the requirement of the law. The key question is how to build a system that employees truly trust, that will withstand regulatory scrutiny, and that will turn a breach signal into a managerial action.

An effective whistleblowing system in Europe starts with three checks:

• Whether the company is subject to mandatory requirements.
• Is the system capable of protecting the applicant and not violating the GDPR?
• Is the organization ready for proper processing of the message – from fixation to internal investigation?

If these three issues are not resolved in advance, the company risks not only fines, but also the fact that an important signal will pass it by – directly to the regulator or in the media.

When whistleblowing becomes critical

The whistleblowing topic comes to the fore if:

• the company conducts business in one or more EU countries;
• staffing exceeds 50 people (or the corresponding national threshold);
• an M&A transaction is being prepared and due diligence has identified risks associated with reporting irregularities;
• a complaint has been received from an employee about violations and an internal investigation is required;
• the regulator requested information on the reporting system;
• There has been an incident in the company, from corruption to discrimination, and it is necessary to prevent a recurrence.
• Compliance program is implemented or updated;
• The group of companies centralizes communication channels for all jurisdictions.
• Certification to ISO 37001, ISO 37301 or similar standards is planned;
• Employees or third parties claim retaliation after reporting.

The mistake most companies make

Many companies start with the question:

“What IT platform should I choose for a whistleblowing channel?”

That's the wrong first question.

The right question is:

How do you create an environment where an employee is not afraid to report a problem and the company can respond legally and effectively – without leaks, without retaliation, and without a public scandal?

Sometimes the best result is outsourcing the function to a trusted person. Sometimes they have their own team of ombudsmen. Sometimes it's a hybrid model. Sometimes - advanced training in management to work with messages. But never – a formally installed portal “for the tick”.

Whistleblowing in Europe does not require an IT response, but a well-structured organizational and legal strategy.

Step 1. Applicability of the EU Directive and national laws

The starting point is Directive (EU) 2019/1937 on the protection of persons reporting violations of Union law. Each Member State has implemented it into national legislation, often with extensions.

Questions need to be answered:

• Does the company fall under mandatory requirements (number from 50 employees, for certain areas - regardless of the number)?
• What categories of violations are covered (procurement, financial services, money laundering, product security, data protection, ecology, public health, etc.)?
• Does national law cover labour law violations, discrimination, harassment (often above the minimum of the Directive)?
• What is the treatment for companies with 50 to 249 employees (duty to introduce an internal channel with a delay, but from a certain date)?
• Are there specific requirements for the financial sector, for public sector organizations?
• What penalties and penalties are imposed for lack of system, breach of confidentiality or retaliatory actions?

Without an accurate map of the applicable rules, the construction of the system loses its legal basis. In an international group of companies, this assessment is carried out separately for each jurisdiction, and then a group policy is developed that takes into account the most stringent requirements.

Step 2. Identify the range of persons covered by protection

The Directive and national laws protect not only existing employees but also a much wider range of:

• Employees under an employment contract;
• Former staff members;
• candidates who have received information in the recruitment process;
• self-employed, contractors, consultants;
• Interns, volunteers;
• members of the governing bodies;
• shareholders and participants;
• business partners and their staff;
• Persons whose employment relationship has not yet begun, if the information is obtained during recruitment;
• facilitators (persons helping the applicant), colleagues and relatives who may suffer from revenge.

Correct identification of protected persons directly affects policy design, reporting, communication and risk assessment of retaliation. If a company restricts policy to full-time employees, it risks not complying with the law and missing a signal from an outside informant.

Step 3. Create internal channels for reporting

The channel shall be:

• safe and confidential of the applicant’s identity;
• available to all protected categories of persons;
• allowing to submit a message in writing, orally (by telephone, voice message) and, if requested by the applicant, in person within a reasonable time;
• Anonymous communications are not required by law to be considered in all countries, but it is best practice to accept and consider anonymous communications technically.

Technical implementation may include:

• Web portal accessible from any device;
• A telephone number with or without a record;
• a special e-mail address;
• end-to-end encryption (with caution and retention obligations);
• physical messages boxes inside the office (with security in mind).

It is necessary to have a functionality that allows you to maintain a dialogue with the applicant, even if he is anonymous, and attach files.

The channel should be separated from the usual IT systems: Using a common corporate mail or a standard HR portal without additional protection is a gross violation of the principle of confidentiality and GDPR requirements.

Step 4. Designate a responsible person or unit

The designated person or service ("competent person", "whistleblowing officer", "ethics committee") has three roles:

• receive and record the message;
• maintain communication with the applicant;
• organizes the subsequent investigation, ensuring its objectivity and the absence of a conflict of interest.

Requirements for appointment:

• Absolute independence: not to obey anyone who may receive a message.
• training and competence;
• resources for full-fledged work;
• adherence to strict confidentiality.

International groups often create a centralized whistleblowing office, taking into account local languages and laws. It is allowed to assign the function to a third party – an external lawyer, a consulting firm, a specialized provider – but the company remains responsible for the proper handling of the message.

Step 5. Ensure confidentiality and compliance with GDPR

Privacy is a central element of the entire system. The identity of the applicant, the persons mentioned and any information allowing their identification shall not be disclosed without explicit consent. Exceptions are strictly limited by law (e.g. mandatory referral to law enforcement).

From the GDPR perspective:

• processing of personal data in the whistleblowing channel must have a legal basis (usually the fulfillment of a legal obligation, Art. 6(1)(c) GDPR, or legitimate interest;
• Data Protection Impact Assessment (DPIA)
• establish clear retention periods (as a rule, the message and the investigation materials are not stored longer than necessary for the purposes of processing, after which they are either destroyed or archived with limited access);
• respect the rights of data subjects, including the right to information (with certain exceptions to avoid compromising the investigation);
• In the case of cross-border data transfer within the group, implement appropriate safeguards (SCCs, BCR, adequacy decision).

Violations of GDPR in the context of whistleblowing can lead to double sanctions – both for non-compliance with whistleblowing legislation and for data protection violations.

Step 6. Develop a procedure for investigating communications

Having a channel without a response procedure is worse than not having one. The procedure should describe in detail:

• registration of the message and notification of the applicant of receipt (usually within 7 days);
• primary assessment: whether the message falls within the competence of the system, whether it is reasonable at first glance;
• appointment of an investigative team (internal or mixed) free from conflict of interest;
• collection and preservation of evidence, including digital data, taking into account labour laws and admissibility rules in potential disputes;
• interviewing witnesses and the applicant;
• ensuring the right of the persons concerned to be heard and protected;
• documenting each step;
• time of investigation and feedback to the applicant (no later than 3 months from the date of confirmation of receipt of the message or in the absence of a response to the applicant - within a reasonable time);
• action: from disciplinary to reporting to law enforcement agencies, as well as eliminating systemic causes.

The investigation should not be forced to close the issue, nor indefinitely prolonged. The balance between speed and completeness is achieved through a pre-registered SLA and an experienced team.

Step 7. Protecting against retaliation

Protection from revenge is not a declaration, but a system of preventive and reactive measures. The law prohibits any form of revenge: dismissal, demotion, change of duties, non-payment of bonuses, boycott, blacklists, bad recommendations, etc.

The company is obliged to:

• Include explicit language on the prohibition of retaliation in policies and employment contracts;
• To train managers to recognize and prevent revenge.
• Create a channel for complaints about retaliation (independent of the main whistleblowing channel);
• Upon receipt of a complaint, immediately take measures to protect the applicant, up to the temporary separation of the parties;
• Redistribute the burden of proof: If an employee proves that he reported the violation and suffered adverse consequences, it is the company that must prove that its actions were justified and not related to the message.

Courts and labour inspectorates in Europe are increasingly strict on covert revenge, and compensation to applicants can be substantial.

Step 8. Regulating external channels and public disclosure

European law provides for a three-tier system: internal channel - external channel (authorized national body) - public disclosure. The Company may not prohibit or restrict the right of an employee to contact the regulator directly or, under certain conditions, to disclose information.

The company’s task is not to hinder, but to create trust in the internal channel so that the applicant prefers it. However, it should also understand the triggers in which an external communication or public disclosure is deemed lawful:

• The internal channel did not provide a response on time;
• The internal channel is not effective, there is a risk of concealment.
• the violation threatens the public interest or an urgent danger;
• When contacting the external channel, adequate measures are not taken, etc.

The company’s policy should clarify these rights, and management should know how to act if the company received a request from an external authority based on a whistleblowing message.

Step 9. Implement documentation and reporting

Improper documentation is required to prove compliance with the regulator and for own protection. Required:

• log of records of messages (incoming, registered, rejected);
• records of the action taken on each communication;
• minutes of meetings of the Committee of Inquiry;
• Reports on the results of investigations with anonymized data;
• An annual (or other) summary report to management on the number, types of violations and trends;
• storing data in accordance with approved retention policies.

Transparent reporting to the board of directors or supervisory board enhances the status of a whistleblowing system and allows you to identify systemic vulnerabilities before they lead to a crisis.

Step 10. Conduct training and regular system audits

Without learning, the system remains paper. It is necessary:

• mandatory training for all employees during implementation and annual repetition;
• advanced training for persons appointed to receive and process messages;
• Training of managers on topics: How to respond to a message, how to avoid involuntary revenge, how to maintain confidentiality;
• informing third parties (contractors, partners) about the existence of the channel through codes of conduct, contracts, the site;
• conducting periodic audits (internal or external) of the system’s effectiveness, including response speed, satisfaction of applicants, analysis of revenge cases, and penetration testing.

Best practice is an annual independent audit involving an external lawyer or audit firm, the results of which are reported to the audit committee.

Internal Channel, External Channel and Public Disclosure: comparison

The choice between levels depends on the situation, but the business’s task is to make the internal channel so efficient and secure that most valid signals remain inside the company.

How to strengthen the whistleblowing system before an incident occurs

The best whistleblowing system is not built after a scandal, but in a calm period. Proactive measures:

• Include in the corporate strategy a statement of top management about intolerance to revenge and the value of messages;
• Develop local policies that are synchronized with group policies but take into account national specificities;
• Integrate whistleblowing into a common compliance framework: Code of Conduct, Conflict of Interest Policy, Anti-Corruption Policy, Data Protection Policy;
• Introduce a provision in employment contracts that a breach of whistleblowing policy constitutes a serious disciplinary offence;
• Create a cross-functional steering committee (legal, compliance, HR, internal audit) to oversee the system;
• Review the policy annually, taking into account judicial practice, new regulatory recommendations and incidents.

The system must be prepared for the worst-case scenario of a comprehensive multi-country fraud investigation, not just plain complaints.

Common mistakes in building a whistleblowing system

1. The formal approach to “closing” the requirements of the Portal without real procedure, without resources and without consequences undermines trust and increases the risk of external disclosure.
2. Insufficient privacy Use of standard email, open folders, untrained employees. A single leak of an applicant's identity could disrupt the system for years.
3. Ignoring GDPR Collection of redundant data, lack of DPIA, endless storage of investigation files, lack of notifications about data processing.
4. Appointing an inappropriate person in charge, such as an HR director who is in a conflict of interest with respect to a number of possible communications, or a lawyer with no investigative skills.
5. Violation of 7-day and 3-month deadlines not only undermines trust, but is a direct violation of the law.
6. Without a complete log of actions, it is impossible to prove compliance during the regulatory inspection or in court.
7. Even unintentional actions perceived as revenge (such as transferring to another department after reporting) lead to lawsuits and reputational losses.
8. In one country, anonymous messages are mandatory, in another – not; Some require the consent of employees to monitor, some require the mandatory information of the production council. A single pattern without adaptation is dangerous.
9. Lack of training Employees are unaware of the channel Managers do not understand what is a retaliation. The appointed persons are not able to interrogate witnesses and record evidence.
10. With no involvement of senior management and the board of directors, the system loses influence and budget and cannot deliver real change.

Checklist of the company before the launch of the system

1. Has a legal analysis been conducted on the applicability of national laws in all jurisdictions of the presence?
2. Is the exact circle of protected persons defined?
3. Have all three modes of communication (written, oral, in-person) been implemented?
4. Is there an independent competent person (or service) with sufficient resources?
5. Is the Data Protection Impact Assessment completed and the retention deadline approved?
6. Is an internal investigation procedure with clear SLAs developed and approved?
7. Are there any protections against retaliation and a mechanism for filing a complaint of revenge?
8. Are the rights to use external channels and public disclosure explained to employees and counterparties?
9. Is there a system of documentation and accountability to management?
10. Have all employees been trained in the first place and key roles have been trained in depth?
11. Is there a regular performance audit planned?
12. Are whistleblowing provisions included in employment contracts and contractors?
13. Is the compatibility with the requirements of trade unions, representative bodies of employees (Works Councils) verified?
14. Is there a budget for ongoing support, not just implementation?
15. Is the crisis plan ready in case of a serious signal outside working hours?

What a strong whistleblowing strategy looks like

A strong strategy usually includes five levels:

1. Compliance with the Directive and national regulations, including the registration of channels with supervisory authorities, if required.

2. Organizational Commitment Policy, signed by the CEO, resources, training, inclusion in KPI goals for management, zero tolerance to revenge.

3. Operational Excellence: Processes of receiving, evaluating, investigating, escalating, interacting with the applicant, storing data, reporting.

• 4. Trust & Protection Anonymity/Privacy as an Absolute Priority
• Preventive monitoring of the atmosphere after reports
• psychological support

5. Continuous Improvement Analysis of metrics, lessons learned, benchmarking, policy updates for new threats and judicial practice, independent audit.

Without a fifth level, the system inevitably degrades to formality.

FAQ

1. Private companies with 50 or more employees, as well as companies in certain sectors (financial services, prevention of money laundering, etc.) regardless of their size. For companies between 50 and 249 employees, the obligation to create internal channels came into force on December 17, 2023. The exact requirements vary by country.

2. Can I not accept anonymous messages?The directive leaves this to the discretion of countries. Many EU states (e.g. Germany, Netherlands, France) encourage or explicitly require anonymous communications to be processed. The best practice is to have the technical ability to receive them and to consider them if they contain enough information.

3. How does whistleblowing relate to GDPR?The processing of the applicant’s data must be legal, minimal and transparent. The Company is obliged to conduct DPIA, set storage periods, implement the rights of data subjects, taking into account restrictions, to protect investigation and confidentiality. A separate privacy policy is recommended for the whistleblowing channel.

4. Can I outsource the message reception function? The law expressly allows a third party to receive communications, provided that all requirements are guaranteed for independence, confidentiality and compliance. The company remains responsible for subsequent investigation and action.

5. National regimes impose significant administrative fines, as well as criminal liability for violation of confidentiality, and obstruction of reporting. To this are added reputational risks and claims for damages from the claimants affected by revenge.

6. What to do if the message was received immediately by the supervisory authority, bypassing the internal channel? Do not attempt to identify the applicant through an authority. In parallel, analyze why the employee did not use the internal channel and take corrective measures to increase trust.

7. Can you combine whistleblowing channels for all countries at the group level? language, specific authorized bodies, deadlines, rights of representative bodies of employees (works councils), more stringent local rules on confidentiality. A centralized IT platform with local routing and processing protocols is often used.

8. What if the message contains signs of slander or false denunciation? If proven false, apply disciplinary measures against the applicant in accordance with labor law. This is not considered retaliation, but requires strict proof of malice. The system should protect the conscientious, not encourage abuse.

9. Do I need to inform the board of directors about the content of the messages? Depersonalized summary reports are mandatory. Disclosure of specific communications to the board is subject to confidentiality, conflicts of interest and scope of authority. It is important to establish a communication protocol in whistleblowing policy in advance.

Related services

• Corporate Investigations, Regulatory Investigations & Business Integrity
• Compliance & Internal Investigations
• Data Protection & GDPR
• Employment & Labor Law (International)
• Cross-Border Regulatory Risk & Strategic Advisory
• M&A Compliance Due Diligence
• Sanctions, Export Controls & International Compliance

Related material

• How to Conduct an Internal Investigation of a Whistleblowing Message Without Errors
• EU directive on whistleblowing: Key business requirements
• GDPR and whistleblowing: processing of personal data in the message channel
• Protection of applicants from retaliation: How to build working mechanisms
• Building a compliance system in an international group of companies
• How to deal with sudden regulatory inspection after a whistleblowing signal
• Whistleblowing in Germany, France, Spain: comparative
• Outsourcing of the whistleblowing channel: Legal risks and opportunities
• Investigation of corporate violations: from communication to disciplinary action

Conclusion

Whistleblowing in Europe is not a bureaucratic burden, but a mature element of corporate governance and business protection.

A robust system allows for a signal of an issue before the regulator or the press knows it, an investigation under its own control, and measures to minimize damage. It is not just a matter of law enforcement, but also a matter of trust among employees, investors and the market.

A strong position is built on legal accuracy, impeccable confidentiality, transparent procedure, real protection from retaliation and the company’s ability to turn revealed violations into systemic improvements.

In European regulation, the winner is not the one who quickly bought the platform “to tick”. The winner is the one who has built a culture where it is normal and safe to report risk and the company’s response is professional and fair.