Whistleblowing
Whistleblowing is a worker's disclosure of information they reasonably believe shows specified wrongdoing and is made in the public interest.
What can qualify as whistleblowing
Whistleblowing is about information a worker reasonably believes shows specified wrongdoing and is disclosed in the public interest. In Great Britain, the categories include criminal offences, breach of a legal obligation, miscarriage of justice, danger to health and safety, environmental damage and deliberate concealment. From 6 April 2026, sexual harassment is also an express category.
The worker does not need to prove the wrongdoing before raising it, but legal protection depends on conditions including what they reasonably believe, what they disclose and who receives it. The GOV.UK employer guidance explains the Great Britain framework.
A personal complaint may use a different route
A grievance usually concerns the individual's own employment situation. Whistleblowing concerns wrongdoing the worker reasonably believes is in the public interest. The two can overlap. A complaint about sexual harassment affecting the person and others, for example, may contain both a grievance and a potential protected disclosure.
Do not reject a concern simply because it arrived through the “wrong” inbox or was not labelled whistleblowing. Identify the information raised, preserve it and decide which parts need a grievance, investigation or whistleblowing response. Northern Ireland has its own rules, summarised by nidirect.
Protect the worker from detriment and dismissal
When a disclosure meets the statutory conditions, Great Britain law protects a worker from detriment and protects an employee from dismissal because of it. Managers must prevent adverse treatment and act if it occurs. That includes subtler treatment such as cutting hours, withholding training, isolating the worker or blocking opportunities.
Give people a safe, usable reporting route
A whistleblowing policy is not compulsory for every Great Britain employer, but a clear route makes concerns easier to recognise and handle. Name more than one contact, explain confidentiality and anonymous reporting honestly, and set expectations for acknowledgement.
Keep access narrow, assess urgent safety or evidence risks, and choose an investigator without a conflict. Record the concern, decisions and follow-up. A worker may also be able to disclose to an appropriate prescribed person, so an internal process must not imply that only line-manager reporting is allowed.
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