Security officer's whistleblowing claim fails over email tone
A security officer who complained about an electronic timesheet system was dismissed after a heated email exchange. The tribunal found no protected disclosure and upheld the dismissal.
1 min read · Last updated 18 May 2026
Case details
- #public-interest-disclosure
- #unfair-dismissal
- #gdpr-concerns
- #electronic-timesheet
- #no-disciplinary-hearing
Key facts
- The claimant was employed as a Security Officer from 19 December 2019 to 12 June 2020.
- On 11 June 2020, the claimant emailed her manager about difficulties with the electronic timesheet system and expressed discomfort about entering personal details on a colleague's phone.
- The manager dismissed the claimant on 12 June 2020 citing rudeness, threats, and bringing the company into disrepute.
- The tribunal found that the claimant did not make a protected disclosure because her emails lacked sufficient factual content and specificity.
- The tribunal found that the principal reason for dismissal was the manager's impatience with the claimant's challenging tone, not any protected disclosure.
- All claims were dismissed, including those for automatically unfair dismissal and detriment.
Timeline
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Claimant re-joins respondent
The claimant started her second period of employment with Lingwood Security Management Ltd as a Security Officer.
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Mr Blakemore becomes manager
Mr K Blakemore joined the respondent as NHS Contract Manager and became the claimant's line manager.
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Email exchange about timesheets
The claimant emailed Mr Blakemore about difficulties with the electronic timesheet system. She expressed discomfort about entering personal details on a colleague's phone. Mr Blakemore responded with a confrontational tone, and the claimant replied sarcastically. Mr Blakemore then removed her from shifts.
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Claimant dismissed
Mr Blakemore sent an email dismissing the claimant with immediate effect, citing rudeness, threats, and bringing the company into disrepute.
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Claimant sends dismissal complaint
The claimant emailed HR manager Loretta Smith setting out her complaint about the dismissal, including lack of due process and data protection concerns.
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Claimant chases response
Having heard nothing, the claimant emailed Ms Smith again, stating she had taken the matter to ACAS.
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HR manager responds
Mrs Corcoran replied to the claimant, apologising for the lack of response and promising to look into matters.
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Claimant contacts ACAS
The claimant emailed to say she had taken the matter to ACAS due to the respondent's lack of response.
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Early conciliation against Mr Blakemore
Early conciliation was initiated against the second respondent, Mr Blakemore.
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Claim form presented
The claimant presented her claim to the Employment Tribunal.
The legal issue
The tribunal had to decide whether the claimant was automatically unfairly dismissed because she made a protected disclosure (whistleblowing) or asserted a statutory right, and whether she was subjected to detriments for making a protected disclosure.
The outcome
The tribunal dismissed all claims, including those for automatically unfair dismissal and detriment.
Key reasons:
- The claimant's emails about the timesheet system lacked sufficient factual content and specificity to qualify as a protected disclosure.
- The principal reason for dismissal was the manager's impatience with the claimant's challenging tone, not any protected disclosure.
- The claim against the second respondent was out of time, and it was reasonably practicable to bring it in time.
No compensation was awarded as the claims failed.
Lessons & takeaways
- To qualify as a protected disclosure, a complaint must contain sufficient factual content and specificity — a general expression of discomfort may not suffice.
- A challenging or sarcastic tone in emails can undermine a whistleblowing claim, as the tribunal may view the dismissal as a response to conduct rather than the disclosure.
- Time limits for bringing claims against individual respondents are strict — early conciliation must be initiated within the relevant period.
- Employers should ensure that dismissals are based on a fair process and not solely on a manager's reaction to an employee's tone.
When a complaint is not a protected disclosure
This case highlights the fine line between raising a concern and making a protected disclosure. The security officer emailed her manager about difficulties with the electronic timesheet system, expressing discomfort about entering personal details on a colleague's phone. However, the tribunal found that her emails lacked the factual specificity needed to qualify as a protected disclosure under whistleblowing law. The manager dismissed her the next day, citing rudeness and threats.
What the employer could have done differently
The manager's response was swift and confrontational, removing the claimant from shifts and dismissing her without any formal process. While the tribunal accepted that the dismissal was not due to whistleblowing, a more measured approach — such as investigating the concerns or holding a disciplinary hearing — might have avoided the litigation altogether. The lack of an appeal process also drew criticism from the tribunal.
Why this matters for similar claims
For employees, this case is a reminder that not every workplace complaint will be protected. To succeed in a whistleblowing claim, the disclosure must be specific and in the public interest. For employers, it shows that even if a dismissal is not automatically unfair, a hasty reaction to an employee's tone can still lead to a tribunal claim and reputational damage.
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