Can a former employer discuss why I was dismissed?

Your old boss can tell a new employer why you were dismissed. They do not get to turn a disputed allegation into a proven fact, or treat your dismissal as permission to gossip. If a reference has cost you an offer, start with the exact words and the date it was sent.

This guide explains the law as at 1 October 2026. The employment tribunal rules below apply to Great Britain. Northern Ireland has separate employment legislation and advice routes; defamation law also differs across the UK.

Start here if a reference or disclosure has hurt you

1. Ask what was said. Ask the recruiter for the reference, why your offer was withdrawn and the dates. If the reference is withheld, ask which information caused concern.
2. Save evidence. Keep your dismissal letter, warnings, grievance emails and offer. Record who heard any spoken allegation, when and the words used. Do not take customer or patient records.
3. Challenge the exact error. Identify the false or misleading line, attach your evidence and ask the old employer to send a correction to the recipient.
4. Get help without waiting for HR. Contact your union, Acas, Citizens Advice or a law centre. Tell them about any discrimination complaint, whistleblowing or union activity linked to the reference.
5. Protect the deadline. Notify Acas in time for early conciliation if you need a GB tribunal claim. An HR investigation, data request or ICO complaint does not stop that clock.

What your old employer can say about your dismissal

There is no general duty to give a reference. A contract, settlement agreement or regulatory rule for certain financial-services roles can require one. Written dismissal reasons are a separate right.

A reference must be accurate, fair and not misleading. Opinion needs evidence. Irrelevant personal information and protected characteristics should be left out, including absence connected with disability or maternity, paternity or adoption leave.

It can include why you left and current, relevant disciplinary records. “Dismissed for repeated lateness after two written warnings” may be fair. Calling a warehouse picker a thief because stock went missing on their shift, without evidence against them, is different. An allegation is not a finding.

A careless reference that costs you an offer may support a civil negligence claim. Spring v Guardian Assurance established a duty of care to the person the reference concerns. You must prove breach, causation and financial loss. Compensation is not automatically a year’s wages.

References in practice: bad, wrong or missing

A basic reference may give only dates and job title. A detailed one can say more. Fair does not mean flattering.

If a manager promised a good reference until you complained about racism, save that message. The Equality Act’s victimisation provisions and post-employment rules protect qualifying discrimination complaints. Timing helps establish the link, but is not proof by itself. An ordinary rota grievance is not automatically a protected act.

Acas’s bad-reference guidance explains the practical options.

Can they tell colleagues, other bosses or the press?

A high-profile dismissal and a care assistant’s sacking raise the same question: who needs to know, and why? Dismissal is neither automatically secret nor permission to broadcast the details.

Data protection and confidentiality

Your dismissal reason is personal data. Sharing needs a lawful basis and must meet UK GDPR requirements for fairness, accuracy and data minimisation. Consent is not the only basis. HR may need details that a whole-staff group chat does not.

Investigators may need to speak to witnesses; you may need to speak to your representative. Ask who will receive the information. An employer confidentiality promise in your contract or settlement may also support a contractual claim for breach.

Challenge excessive or inaccurate sharing with the employer’s data protection contact, then the Information Commissioner’s Office if needed. Ask for corrections and who received the information. The ICO enforces data protection law; compensation for proven loss or distress from a breach is for the courts, not an ICO payout.

Defamation

In England and Wales, a false statement communicated to someone else may be defamatory if it causes or is likely to cause serious reputational harm. The Defamation Act 2013 provides defences including truth and honest opinion. A reference may have qualified privilege where sender and recipient have a relevant duty or interest; malice can defeat it.

The usual England and Wales limit is one year from publication, not discovery. Defamation litigation can be expensive. Ask whether a correction, negligence claim or data protection complaint fits better. Scotland and Northern Ireland have different defamation rules.

Union blacklisting

The Blacklists Regulations 2010 prohibit union-membership or activity lists compiled for discriminatory use in recruitment or workers’ treatment. A shared “do not hire” list targeting union organisers may qualify. An ordinary hostile reference is not necessarily a union blacklist.

In specified claims about refusal of employment or agency services because of a prohibited list, compensation has a £5,000 floor before statutory adjustments. Appearing on a list does not automatically earn that payment.

Your right to know what they hold and what they sent

Written reasons for dismissal

In Great Britain, an employee with two years’ continuous employment can request written dismissal reasons under section 92. The employer has 14 days to supply them. Employees dismissed while pregnant, or whose maternity or adoption leave ends because of dismissal, qualify without a request or service requirement.

A successful complaint about unreasonable failure to provide reasons attracts two weeks’ pay under section 93, subject to the statutory weekly-pay cap. The statement is evidence, not a guarantee that the employer can never change its explanation.

Subject access requests

You can request personal data about your dismissal, such as notes and correspondence. That is not an unrestricted right to the whole personnel file; other people’s information and exemptions may limit disclosure.

The confidential-reference exemption in Schedule 2, paragraph 24 of the Data Protection Act 2018 can cover both giver and recipient. Ask the new employer, but do not expect a guaranteed workaround. Request its reasons for rejecting you and any non-exempt personal data too.

Name the records and your employment dates. Responses are normally due within one month, with extensions possible. Supply identification if reasonably needed. Do not let the claim deadline pass while waiting.

NDAs, settlement agreements and gagging clauses

A non-disclosure agreement, or NDA, can restrict discussion of an exit deal or confidential information. You do not have to accept one. Separate final wages and other money already owed from any extra payment offered for settling claims.

Section 43J voids clauses that prevent protected whistleblowing. Protection requires legal conditions, including reasonable belief that the disclosure is in the public interest and a protected reporting route. Sexual harassment became an express qualifying category on 6 April 2026. Posting online is not automatically protected.

An NDA cannot lawfully prevent reporting crime to the police. For regulator reports, check the protected route and regulator’s remit. Ask for clear reporting exceptions in the agreement.

Statutory settlement agreements require independent advice from a qualifying adviser and the other conditions in section 203, including a written agreement relating to particular proceedings and identifying the adviser. Certified union advisers can qualify. Acas-conciliated settlements follow a different route.

Attach the agreed reference, name who will provide it and cover telephone enquiries. Ask what confidentiality the employer promises in return. Neither an NDA nor agreed wording overrides mandatory safeguarding disclosure.

Section 111A protects pre-termination negotiations from use as evidence in ordinary unfair dismissal proceedings, not discrimination, automatically unfair dismissal or contract claims. Improper behaviour can limit protection. Separate without-prejudice rules may matter; see the Acas settlement Code.

Can you tell your side without being sued?

After you leave, the implied confidentiality duty protects trade secrets and equivalent confidential information, not everything learnt at work. An enforceable express clause can protect more, subject to limits such as protected whistleblowing. Check it before publishing.

While employed, a serious confidentiality breach can lead to dismissal, but not every breach is gross misconduct. Fair disciplinary procedures still matter. After you leave, an employer may seek an injunction or damages for an enforceable breach, rather than discipline you as its employee.

For a public response, separate what you know from what you suspect. Do not publish care records, customer lists or passwords. In a high-profile dispute, ask your union or adviser for help with a short factual statement and specific corrections.

Try Usdaw for retail and distribution, UNISON for care and NHS support, Unite or GMB in food, logistics and hospitality, or IWGB in several gig-economy sectors. Check representation and legal-help eligibility for an existing dispute. Joining now does not guarantee coverage.

Before posting, see dismissal for social media posts and free speech at work.

Care, health and safeguarding: when they must disclose

In England, Wales and Northern Ireland, the DBS referral duty requires removal from regulated activity and the employer’s belief that relevant conduct or the harm test is met. Resignation does not avoid the duty. Suspension pending investigation is not itself the completed trigger.

Employers should investigate and gather evidence first. A referral is not itself a barring decision. For a care-home or nursery allegation, involve your union or adviser in the investigation and referral response. A settlement cannot suppress a mandatory referral.

Professional-regulator duties depend on the role. Scotland has a separate safeguarding system. Get advice specific to your work and location.

Your employment status and location matter

Written dismissal reasons and ordinary unfair dismissal claims are employee rights. Discrimination and qualifying whistleblowing protections cover a wider group, including many agency or casual workers. A “self-employed” label does not settle your legal status.

An agency cleaner or warehouse worker should identify who gave the reference, the agency, site operator or both. Do not assume the agency is necessarily your legal employer.

Northern Ireland has separate employment legislation and a one-year ordinary unfair dismissal qualifying period, rather than GB’s current two years. Do not apply the GB tribunal reform or forthcoming section 202A ban there. Use nidirect, the Labour Relations Agency and our Northern Ireland guide.

Deadlines for challenging a reference or disclosure

The October commencement regulations extend affected GB tribunal limits to six months where the legally relevant date is on or after 1 October 2026. Earlier relevant dates retain old limits. For dismissal, use the effective termination date; for discrimination, the act or end of continuing conduct. A later reference does not automatically revive an earlier dismissal claim.

The ordinary new window is six months less a day, before early conciliation adjustments. Older claims may retain three months less a day. Notify Acas before the applicable limit and get the calculation checked, especially where events straddle October.

Civil negligence and contract claims have different limitation rules. Ask an adviser which claim fits and when to issue it. HR or ICO complaints do not replace proceedings.

What has changed and what is still due

The Acas reform timetable distinguishes current rights from scheduled changes.

1. 18 Dec 2025Employment Rights Act 2025 became law

   Royal Assent did not bring every provision into force.

2. 6 Apr 2026Sexual harassment added to whistleblowing law

   In force. A disclosure must still meet the conditions for whistleblowing protection.

3. 1 Oct 2026Longer tribunal limits

   In force for affected claims with relevant dates on or after this date.

4. 30 Oct 2026Stronger harassment duties due

   Scheduled. All reasonable steps to prevent sexual harassment, plus protection against third-party harassment.

5. 1 Jan 2027Shorter unfair dismissal qualifying period due

   Scheduled to fall from two years to six months, not become a day-one right. The wider NDA ban is listed separately for 2027 without an exact date.

Questions people ask

Can you stop your old boss giving a reference?

There is no general right to insist on silence. Ask for agreed factual wording or nominate another referee. Regulatory and safeguarding duties may still require disclosure.

What if an appeal overturned the dismissal finding?

Give the appeal outcome to the recruiter and ask the old employer to correct any misleading account. A reference should not present an overturned finding as if it still stands.

Can an NDA stop you reporting harassment?

It cannot prevent protected whistleblowing or reporting crime to the police. Not every complaint qualifies as whistleblowing. Check the reporting route; the wider NDA ban is not yet in force.

Can a manager tell the whole team why you were sacked?

Sharing needs a data protection justification. Ask what was shared, why and with whom, then challenge excessive detail or inaccuracies.

Can they refuse a reference to punish you?

Refusal for a qualifying discrimination complaint or protected whistleblowing may be unlawful victimisation or detriment. Keep evidence linking the refusal to your complaint.

Sources

1. When an employer must give a reference, Acas
2. What employers can say in a reference, Acas
3. If you get a bad reference, Acas
4. Spring v Guardian Assurance plc [1994] UKHL 7, House of Lords, via BAILII
5. Employment Rights Act 1996, section 92: written reasons, legislation.gov.uk
6. Employment Rights Act 1996, section 93: complaints about written reasons, legislation.gov.uk
7. Data Protection Act 2018, legislation.gov.uk
8. Data Protection Act 2018, Schedule 2, paragraph 24: confidential references, legislation.gov.uk
9. Your right to get your data, Information Commissioner’s Office
10. Equality Act 2010, including sections 27 and 108, legislation.gov.uk
11. Defamation Act 2013, legislation.gov.uk
12. Limitation Act 1980, section 4A: defamation limitation, legislation.gov.uk
13. Employment Relations Act 1999 (Blacklists) Regulations 2010, including regulations 3 and 8, legislation.gov.uk
14. Construction employment deny list, Information Commissioner’s Office. Source for the construction blacklisting reality check.
15. Tribunal Statistics Quarterly, January to March 2026, Ministry of Justice. Source for the tribunal caseload reality check.
16. Employment Rights Act 1996, section 43J: protected disclosures and agreements, legislation.gov.uk
17. Employment Rights Act 1996, section 111A: pre-termination negotiations, legislation.gov.uk
18. Employment Rights Act 1996, section 203: settlement conditions, legislation.gov.uk
19. Code of Practice on settlement agreements, Acas
20. Employment Rights Act 2025, section 24 and commencement annotations, legislation.gov.uk
21. Employment Rights Act 2025 (Commencement No. 5 and Transitional Provisions) (Amendment) Regulations 2026, legislation.gov.uk
22. Employment Rights Act 2025: current and forthcoming changes, Acas
23. The legal duty to refer to DBS, Disclosure and Barring Service
24. References and job offers, nidirect