What Is Whistleblowing at Work and When Are You Protected?

Whistleblowing at work can be difficult to understand, particularly when you are raising concerns about something serious but are not sure whether the law protects you. An employee might discover that their employer is breaking the law, putting people’s health and safety at risk, covering up wrongdoing or behaving fraudulently. They may want to speak up, but worry that doing so could affect their job. UK whistleblowing law is designed to protect workers who make certain types of disclosures in the public interest. However, not every complaint made at work is legally classed as whistleblowing. That distinction matters. A complaint about your own pay, workload or treatment may be an employment grievance. A disclosure that your employer is deliberately falsifying financial records, breaching health and safety legislation or concealing a criminal offence could potentially be a protected disclosure. Understanding the difference before raising concerns can help you choose the right process and protect your position. If you are unsure whether something you have raised or intend to raise amounts to whistleblowing, KLG Law’s employment solicitors can advise you on your rights and the appropriate way to proceed. What is whistleblowing at work? Whistleblowing at work generally means reporting certain types of wrongdoing or potential wrongdoing connected with an organisation. Under the Employment Rights Act 1996, workers can receive legal protection where they make a qualifying disclosure that meets the requirements for a protected disclosure. The law covers a number of categories of wrongdoing, including criminal offences, breaches of legal obligations, miscarriages of justice, dangers to health and safety, damage to the environment and certain deliberate concealments of wrongdoing. The disclosure must also satisfy the statutory requirements, including the public interest test. This is why simply telling your manager that you are unhappy with something at work does not automatically make you a whistleblower. What is a protected disclosure? A protected disclosure is a qualifying disclosure made in accordance with the legal requirements of the whistleblowing legislation. The worker must reasonably believe that the information tends to show one or more of the relevant types of wrongdoing and that the disclosure is in the public interest. This is an important distinction. You are generally disclosing information about wrongdoing, rather than simply expressing an opinion or making a personal complaint. For example: “I believe the company is deliberately falsifying safety inspection records to hide breaches of health and safety requirements.” This contains information about potential wrongdoing. By contrast: “My manager is treating me unfairly and I don’t like the way I am being managed.” That may be a legitimate workplace complaint, but on its own it does not necessarily amount to a protected disclosure. The exact circumstances matter, including what was said, who it was reported to and why the worker believed the disclosure was in the public interest. What types of wrongdoing can be whistleblowing? Whistleblowing employment law covers several recognised categories of wrongdoing. A disclosure may qualify where it concerns: A criminal offence This could include suspected fraud, theft or another criminal act connected with the workplace. A breach of a legal obligation This could involve an employer failing to comply with a legal requirement that applies to the organisation. A miscarriage of justice A worker may be protected where they disclose information about a miscarriage of justice. A danger to health or safety This is particularly relevant in workplaces where employees, customers, patients, service users or members of the public may be exposed to serious risks. Damage to the environment Certain disclosures concerning environmental damage can fall within whistleblowing protection. Deliberate concealment A disclosure can also concern information showing that someone is deliberately attempting to conceal one of the forms of wrongdoing above. There are also specific provisions and developments covering sexual harassment. From April 2026, the statutory list of relevant wrongdoing for protected disclosures was expanded to include sexual harassment. The precise requirements for whistleblowing protection still need to be satisfied. Does whistleblowing have to involve your employer? Not necessarily. A worker can potentially make a protected disclosure about wrongdoing involving their employer, another organisation or another person, depending on the circumstances. The legal protection is concerned with the nature of the disclosure and whether the statutory requirements are satisfied. For example, a worker might discover that a contractor working with their employer is involved in unlawful activity that creates a serious risk to the public. Whether a particular disclosure is protected will depend on the facts, including what the worker reasonably believes and the person or organisation to whom the disclosure is made. This is one reason why taking legal advice can be useful where the situation is serious or sensitive. What is the public interest test? The public interest requirement is a central part of whistleblowing law. A worker must reasonably believe that the disclosure is in the public interest. This does not mean that the concern must affect the entire country or a very large number of people. The public interest can potentially exist where wrongdoing affects a group of workers, customers, patients, service users or members of the public. The distinction can be important where a complaint concerns both the individual worker and other people. For example, an employee who discovers that their employer is deliberately failing to pay the statutory minimum wage to a large group of employees may potentially be raising a public-interest concern, rather than simply complaining about their own wages. The circumstances will always matter. What is the difference between whistleblowing and a grievance? This is one of the most common areas of confusion. A grievance normally concerns an individual’s own employment or treatment at work. Whistleblowing is concerned with reporting qualifying wrongdoing that is in the public interest. There can sometimes be overlap. For example, an employee might discover that their employer has been manipulating payroll records and that they have personally lost money as a result. They may have a grievance about the financial impact on them while also potentially making a protected disclosure about wider wrongdoing. The label used by the employee is not necessarily decisive. Calling something a “grievance” does not automatically stop it from being a protected disclosure. Equally, calling something “whistleblowing” does not automatically give it legal protection. What matters is the substance of what was communicated and whether the statutory requirements are met. If you are dealing with a workplace complaint that could involve both a grievance and whistleblowing, KLG Law’s employment law and HR advice can help you understand which processes may apply. What are whistleblowing rights at work? The main protection under whistleblowing law is protection from certain forms of detriment because the worker has made a protected disclosure. A worker should not be subjected to a detriment by their employer because they have made a protected disclosure. Depending on the circumstances, detriment could include being treated unfavourably, excluded, denied opportunities or subjected to other negative treatment because they spoke up. Workers can also have protection against dismissal because they have made a protected disclosure. An employee dismissed for this reason may potentially bring a claim for automatic unfair dismissal, subject to the relevant legal requirements. This is different from ordinary unfair dismissal, which has historically required a qualifying period of employment in many circumstances. Whistleblowing protection is therefore particularly important because the protection against dismissal for making a protected disclosure does not depend on completing the ordinary unfair dismissal qualifying period. Does whistleblowing protection apply to all workers? Whistleblowing protection is wider than protection available only to employees. The legislation covers certain categories of workers and other individuals who fall within the statutory definition. This means that someone may have whistleblowing protection even if they are not technically an employee. The exact position can depend on their working arrangement and legal status. For businesses using contractors, agency workers or other non-traditional working arrangements, it is therefore important not to assume that whistleblowing obligations only apply to people employed under standard employment contracts. Do you have to report whistleblowing to your employer? No, not in every situation. However, the person or organisation to whom a disclosure is made can affect whether it qualifies for protection and what legal requirements apply. Making a disclosure internally to an employer or another appropriate person within the organisation is often the most straightforward route. A worker may, for example, raise the concern with: Their line manager A senior manager HR A designated whistleblowing officer A person named in the employer’s whistleblowing policy In some circumstances, a disclosure can be made to a prescribed person or body. There are additional requirements for some external disclosures, particularly where a worker reports concerns outside their employer. For that reason, employees should be cautious about immediately posting allegations online, contacting the media or making a public disclosure. The legal protection can be much more complicated in those circumstances. Can you be protected if you make a mistake? Potentially, yes. Whistleblowing law does not require the worker to prove that the wrongdoing actually happened before protection can arise. One important question is whether the worker reasonably believed that the information tended to show the relevant wrongdoing and that the disclosure was in the public interest. This means that a worker can potentially be protected even if an investigation later establishes that their concerns were mistaken. However, that does not mean that every allegation is automatically protected. The worker’s state of mind, the information available to them at the time and the circumstances surrounding the disclosure can all matter. What if your employer retaliates after you blow the whistle? This is where whistleblower protection in the UK becomes particularly important. Suppose an employee reports serious health and safety concerns. Afterwards, their manager begins excluding them from meetings, removes responsibilities, threatens their position or treats them differently because they made the disclosure. Depending on the circumstances, this could potentially amount to an unlawful detriment. If the employee is dismissed because they made a protected disclosure, they may have a claim for automatic unfair dismissal. The evidence can be extremely important. Employees should keep copies of relevant correspondence, records of meetings and other documents relating to the disclosure and what happened afterwards, provided they can do so lawfully and without breaching confidentiality or data protection obligations. Employers should also take allegations of retaliation seriously and ensure that managers understand the protections available to whistleblowers. What should an employer do when someone raises a whistleblowing concern? Employers should have a clear whistleblowing procedure and make sure workers know how to use it. When a concern is raised, the employer should assess what has been reported and decide what action is appropriate. This might involve an internal investigation, a review by a senior manager, referral to a specialist team or, depending on the nature of the allegation, reporting the matter to an external authority. The response should be proportionate to the seriousness of the concern. Employers should also be careful about protecting the whistleblower from retaliation. Managers should understand that treating someone badly because they raised a protected concern can create a separate legal issue. KLG Law provides HR legal advice and support for businesses covering workplace policies, investigations, employee relations and employment law compliance. Should employers have a whistleblowing policy? For many organisations, having a clear whistleblowing policy is a sensible way of explaining how concerns can be raised and handled. A good policy should make it clear: What types of concerns may amount to whistleblowing Who workers can report concerns to How concerns will be investigated How confidentiality will be handled How workers will be protected from retaliation What happens if the concern needs to be referred externally The policy should not simply sit on an intranet that nobody reads. Managers and relevant HR staff should understand how the procedure works in practice. Employers should also review their procedures periodically, particularly where there have been significant changes to the law or the organisation’s structure. Can you be dismissed for whistleblowing? An employee should not be dismissed because they have made a protected disclosure. Where an employee is dismissed for that reason, the dismissal may be automatically unfair. This protection is important because an employer cannot simply avoid whistleblowing law by claiming that it had another reason for the dismissal if the real reason was the protected disclosure.  For example, an employee who makes a protected disclosure is not immune from disciplinary action for genuine misconduct that is unrelated to their whistleblowing. The difficulty often lies in establishing the real reason for the employer’s decision. Where the timing of a dismissal is close to a disclosure, or where the employee was treated differently after raising concerns, evidence may become particularly important. If you have been dismissed after raising concerns about wrongdoing at work, KLG Law’s Employment Tribunal solicitors can advise on whether you may have a claim and what steps you should consider next. What should you do if you think you are being punished for whistleblowing? If you believe you are experiencing retaliation after making a protected disclosure, do not ignore it. Start by keeping a clear record of what happened. You should consider retaining: The original disclosure Emails or messages relating to the concern Notes of meetings Changes to your duties or working arrangements Relevant performance records Correspondence about disciplinary or grievance proceedings Evidence of treatment that changed after the disclosure You should also consider whether you need to raise the issue internally or seek independent legal advice. Timing can matter in employment claims. If the dispute eventually reaches an Employment Tribunal, strict time limits can apply, although the general limitation period for most employment claims is changing from 3 months less one day to 6 months less one day for claims arising on or after 1 October 2026. If you think you have suffered a detriment or dismissal because of whistleblowing, it is sensible to obtain advice as early as possible rather than waiting until the situation becomes more difficult to resolve. Can whistleblowing and discrimination happen at the same time? Yes. A workplace dispute does not necessarily fall into one legal category. For example, an employee could make a protected disclosure and later argue that they have also suffered discrimination because of a protected characteristic. There may also be issues involving breach of contract, unfair dismissal, harassment or other employment rights. This is another reason why it can be unhelpful to focus too narrowly on the label attached to a complaint. The circumstances should be considered as a whole. Why getting legal advice can help Whistleblowing cases can become complicated quickly. The employee may need to establish whether their disclosure was protected, whether they reasonably believed it was in the public interest and whether subsequent treatment was connected to the disclosure.n Employers face their own risks. A poorly handled whistleblowing complaint can result in legal claims, damage employee trust and create wider regulatory or reputational problems. Early legal advice can help clarify the position before important decisions are made. KLG Law can advise both employers and employees on employment law matters, including protected disclosures, workplace investigations, detriment, dismissal and Employment Tribunal claims. Final Thoughts Whistleblowing at work is about more than simply speaking up when something feels wrong. UK law provides protection for workers who make qualifying disclosures about certain types of wrongdoing, but the legal requirements matter. A personal grievance is not automatically whistleblowing, and calling a complaint a “protected disclosure” does not make it one. If you believe you have uncovered serious wrongdoing, think carefully about what information you are reporting, why you believe it is in the public interest and who you should report it to. If you are an employer, make sure your whistleblowing procedure is clear, your managers understand their responsibilities and workers who raise concerns are not subjected to retaliation. Where the situation is serious or there is a risk of detriment or dismissal, obtaining specialist employment law advice early can make a significant difference. KLG Law’s employment solicitors can advise on whistleblowing, protected disclosures, workplace investigations and potential Employment Tribunal claims.