GuideHQ

What counts as whistleblowing at work, and who do I tell?

A protected disclosure is a specific legal thing, not just raising a concern. The categories, the public interest requirement, who you can safely tell, and what the protection is worth.

Difficulty
advanced
Time
14 min
Read
5 min
Safety
warning

Short answer

A disclosure is protected where you reasonably believe it shows one of the listed wrongs — a crime, a breach of a legal obligation, a miscarriage of justice, a danger to health and safety, sexual harassment, environmental damage, or concealment of any of them — and is in the public interest. Tell your employer, a legal adviser, or the prescribed person for that subject. Protection starts on day one and there is no cap on compensation for a whistleblowing dismissal.

The distinction that decides most cases is between a personal grievance and a public interest disclosure. A complaint about how you personally have been treated is a grievance; a disclosure showing wrongdoing that affects others can be protected. The system also cares a great deal about who you tell — the protection narrows sharply as you move outward from the employer, and disappears almost entirely if you go to the press.

Safety

Whistleblowing protection depends on getting the category, the recipient and the public interest test right, and the deadlines are short — an application for interim relief after a whistleblowing dismissal must be made within seven days of the termination date. Take advice from Protect's free confidential advice line or from Acas before making a disclosure outside your employer, and especially before going to the media, which usually destroys the protection.

Step by step

  1. Check it falls into one of the categories.A criminal offence, a failure to comply with a legal obligation, a miscarriage of justice, danger to the health and safety of any individual, sexual harassment, damage to the environment, or the deliberate concealment of any of those. Sexual harassment was added in Great Britain in April 2026 and is not a category in Northern Ireland.
  2. Apply the public interest test.You must reasonably believe the disclosure is in the public interest — that it affects others and not only you. A purely personal grievance is not protected, though a matter that affects you can also be in the public interest.
  3. Check you are covered.Employees, workers, agency workers, apprentices, trainees, LLP members, NHS practitioners and several other groups. Protection starts from day one and continues after the employment ends. The genuinely self-employed, volunteers with no contract and non-executive directors are generally not covered.
  4. Tell your employer first if it is safe to.A disclosure to the employer, or to a person the employer has named as responsible, is the most straightforward route and needs the least to be proved. Use any whistleblowing policy the organisation has.
  5. Use a prescribed person where the employer is the problem.Parliament has designated regulators and bodies for particular subjects — the HSE, the FCA, the Charity Commission, local authorities and many others. You must pick the right one for the issue and reasonably believe the information is substantially true. The list is published on GOV.UK and includes separate Scottish, Welsh and Northern Irish bodies.
  6. Take legal advice, which is always protected.A disclosure to a lawyer for the purpose of obtaining legal advice is protected regardless of anything else. That is the safest first step where you are unsure.
  7. Understand how narrow the wider routes are.Disclosures beyond the employer and prescribed persons have to meet extra conditions about reasonableness and, for exceptionally serious matters, an even higher test. Going to the media will in most cases lose you the protection entirely.
  8. Keep evidence of the disclosure itself.What you disclosed, to whom, when and in what form. Cases turn on whether a protected disclosure was made at all, and a dated email is what proves it. Do not remove confidential documents without advice.
  9. Know what the protection is worth.Dismissal for making a protected disclosure is automatically unfair with no qualifying period and no cap on the compensatory award. Being subjected to a detriment short of dismissal — being sidelined, or given a damaging reference — is separately actionable.
  10. Note the very short interim relief deadline.An employee dismissed for whistleblowing can apply for interim relief, which can keep pay running until the hearing, but the application must be made within seven days of the effective date of termination. It is easily missed.
  11. Ignore any confidentiality clause purporting to stop you.A provision in a contract or a settlement agreement that seeks to prevent a protected disclosure is void. That has been the law for many years and it applies whatever the document says.

Tips

  • Protect runs a free confidential advice line for whistleblowers. Use it before you disclose, not after.
  • Put the disclosure in writing even if you also raise it verbally. Proving that a protected disclosure was made is half of every case.
  • Check the prescribed persons list before contacting any regulator. Picking the right one is a condition of the protection.

Common mistakes

  • Going to the press first — Wider disclosures have to satisfy extra conditions, and a media disclosure will in most cases lose the protection entirely.
  • Taking copies of confidential documents to build a case — It can be a disciplinary matter and a breach of data protection in its own right, and it hands the employer an argument. Take advice on what you may keep before you take anything.

If it doesn't work

You raised a concern and are now being frozen out

Cause: Detriment for a protected disclosure — Fix: Write down what has changed and when, keep the record contemporaneous, and take advice quickly. Detriment claims have the same short time limits as dismissal claims.

You are not sure who the right regulator is

Cause: The prescribed persons list is organised by subject — Fix: Search the GOV.UK prescribed persons list by subject matter, not by the name of a body. Telling the wrong regulator can leave the disclosure unprotected.

A settlement agreement says you cannot speak about it

Cause: A confidentiality clause — Fix: Any clause purporting to prevent a protected disclosure is void. Ask your adviser to confirm the carve-out is stated expressly in the document.

Questions people ask

Can I stay anonymous?

You can disclose anonymously, but it makes it far harder to prove you made the disclosure if you are later treated badly, and harder for anyone to investigate. Confidential — where the recipient knows who you are but does not reveal it — is usually a better route.

Is a grievance the same as whistleblowing?

No. A grievance is about how you have been treated. A protected disclosure is about wrongdoing in the public interest. A single set of facts can sometimes support both, which is worth taking advice on.

What is the time limit?

Three months less one day for a detriment or dismissal claim, with Acas notification first. An extension to six months has been legislated for and is expected in October 2026, but do not rely on it until it is in force.

Does Northern Ireland work the same way?

Broadly, but with real differences. Northern Ireland has the original six categories and sexual harassment is not among them, the ordinary unfair dismissal qualifying period is one year rather than two, the forum is the Industrial Tribunal, and conciliation is through the Labour Relations Agency.

Sources

  • Employment Rights Act 1996 Part IVA, s.47B and s.103A
  • GOV.UK — Whistleblowing for employees; list of prescribed people and bodies
  • Acas — Whistleblowing at work
  • Public Interest Disclosure (Northern Ireland) Order 1998 and nidirect