Summary
- Employers stay responsible for employee and candidate data even where an AI vendor’s system processes it.
- The ICO expects a lawful basis, a data protection impact assessment and a clear privacy notice before high risk AI use.
- The Data (Use and Access) Act 2025 has widened the lawful bases for significant automated decisions since 19 June 2026, but not for special category data.
- This guide explains AI use, employee privacy and data protection duties for UK employers.
- LegalVision’s data, privacy and IT lawyers advise UK employers on lawful bases for AI processing, data protection impact assessments for recruitment and monitoring tools, and automated decision-making safeguards.
Tips for Businesses
Map every AI tool that touches staff or candidate data, and record which decisions it makes without a manager. Test tools for biased outputs before rollout and at intervals afterwards. Give staff a route to request human review and to challenge an automated outcome. Acknowledge data protection complaints within 30 days. Speak to a data, privacy and IT lawyer at LegalVision about your automated decision-making safeguards.
Using AI in the workplace does not reduce an employer’s data protection duties under the UK GDPR and the Data Protection Act 2018. UK employers remain the controller of employee and candidate data, whatever an AI vendor’s system does with it. The ICO expects employers to identify a lawful basis and to explain the logic behind automated decisions. Employers must also complete a data protection impact assessment before high risk AI use. The Data (Use and Access) Act 2025 has widened the lawful bases for significant automated decisions since 19 June 2026. This article explains how AI use in the workplace affects employee privacy, the data protection steps UK employers must take before rollout, and the automated decision-making rules that apply under the Data (Use and Access) Act 2025.
Why Does UK GDPR Compliance Matter For Employers?
The UK General Data Protection Regulation (UK GDPR) and the Data Protection Act 2018 (DPA 2018) set clear rules for employers to ensure that they legally, fairly, and securely handle personal data.
Employers must protect personal data according to the UK GDPR rules when collecting, storing, or processing information about employees, workers, or job applicants.
Employer businesses of all sizes must comply with strict data protection laws (whether handling CVs during recruitment, managing payroll records, or storing health information for sick leave).
Employees have the right to challenge how their data is used. Businesses that fail to follow data protection requirements risk facing complaints, legal claims, and loss of trust.
To avoid these risks, employers must establish clear data protection policies, ensure transparency in processing employee data and implement security measures to prevent data breaches. Compliance is a key factor in building a responsible and trustworthy workplace.
Why Do Employers Use AI?
Employers may use AI in various ways, e.g., to improve efficiency, streamline decision-making, and manage workplace operations. AI may screen CVs, shortlist candidates, and assess applications in recruitment.
This factsheet sets out how your business can become GDPR compliant.
AI may also support staff performance management by tracking productivity, analysing workplace behaviour, and identifying patterns in employee performance. In HR, AI may automate routine administrative tasks.
“The mistake I see most often is treating an AI tool as the vendor's problem. Once that system touches your staff or candidate data, you are the one the ICO asks about lawful basis, bias and human review. Decide before rollout which decisions a manager genuinely makes, and write it down.”
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Key Privacy Considerations for Employers Using AI in the Workplace
AI is a rapidly evolving field, and its use in the workplace presents opportunities and risks. Your business should seek legal advice to understand specific compliance obligations and manage potential risks effectively.
General Considerations
Here are some of the many general considerations for employers using AI from a privacy perspective where AI use involves the processing of personal data:
- have you ensured compliance with UK GDPR and DPA 2018 when processing employee data? For instance, identify a lawful basis for any AI-driven data processing you carry out (e.g., contract necessity, legitimate interests). You can seek legal advice on this if you are unsure about the extent of your obligations;
- have you conducted a Data Protection Impact Assessment (DPIA) before using AI for recruitment, monitoring, or decision-making? It is vital to assess risks before using AI, as AI is likely to result in high risk to individuals. A DPIA will allow you to identify risks, ensure transparency, and implement safeguards to protect personal data;
- have you issued clear privacy notices? For example, around the use of AI and its impact on decision-making logic and employee rights? You must be transparent about AI and data use and happy to answer employee questions about this;
- is your AI-driven monitoring necessary, proportionate, and legally justified under ICO guidance? You must use AI responsibly in workplace monitoring. If AI tracks employee activity or productivity, your business should ensure monitoring is necessary, proportionate, and legally justified. A DPIA can help assess whether AI surveillance risks breaching employee privacy rights;
- are you maintaining detailed records of AI use and compliance measures to meet regulatory requirements? Having clear records will help if you need to demonstrate compliance; and
- are you staying informed about upcoming UK data protection reforms, which may change workplace AI rules? A data protection solicitor can advise your business on this and any applicable developments in the pipeline that could impact your obligations.
Automated Decisions About Staff Under The Data (Use And Access) Act 2025
The Data (Use and Access) Act 2025 changed the rules on automated decisions about people. All of its data protection provisions took effect on 19 June 2026.
Employers may now rely on a wider range of lawful bases where an AI system makes a significant decision with no meaningful human involvement. Shortlisting, promotion and performance decisions often fall into that category. A tool that scores applicants and rejects the lowest scorers makes that kind of decision. The wider lawful bases do not cover special category data, which keeps its stricter treatment.
Safeguards still apply. Tell the person that an automated decision took place, let them request human review, and let them challenge the outcome. The ICO also expects employers to test AI tools for biased outputs before rollout and at intervals afterwards.
The Act also gives people a clearer route to complain. Employers need an accessible complaints channel, an acknowledgement within 30 days, and a response without undue delay. A clear internal process for handling data protection complaints from employees reduces the chance of an ICO referral. Record which decisions your AI tools make alone, and which decisions a manager genuinely reviews.
Compliance
Employers must understand data protection laws and their applicability to their specific use of AI. This will enable them to ensure compliance, safeguard employee rights, and maintain transparency.
Key Takeaways
AI can benefit businesses significantly, but compliance with data protection laws and rules should not be overlooked (including in the workplace). Failing to manage AI use in the workplace in line with data protection law rules can lead to legal claims, ICO enforcement action, and reputational damage. By proactively addressing AI’s legal implications, businesses can balance AI innovation with compliance and minimise risk.
If you need advice on compliance with UK GDPR and the use of AI, our experienced data, IT and privacy lawyers can assist as part of our LegalVision membership. For a low monthly fee, you will have unlimited access to lawyers to answer your questions and draft and review your documents. Call us today on 0808 196 8584 or visit our membership page.
Frequently Asked Questions
Why must employers comply with UK GDPR?
Employers control staff, worker and applicant data, so the UK GDPR applies at every stage of the employment relationship. The ICO can issue enforcement notices and fines of up to £17.5 million or 4% of global annual turnover. Employees can also claim compensation and complain to the ICO.
Why should you take legal advice before using AI in the workplace?
AI in the workplace raises data protection and employment law questions at the same time. A lawyer can confirm your lawful basis, review the vendor’s terms, check your data protection impact assessment, and test whether your monitoring stays proportionate. Errors here surface later as ICO complaints and tribunal claims.
Can employers use AI for recruitment and monitoring?
Yes. Employers may screen CVs, shortlist candidates and track productivity with AI, provided the processing stays lawful, fair and transparent. Monitoring must stay necessary and proportionate under ICO guidance. Complete a data protection impact assessment first, and tell candidates and staff how the system reaches its decisions.
What should employers do before implementing AI tools?
Identify a lawful basis, complete a data protection impact assessment, and issue privacy notices explaining the AI use and its effect on decisions. Keep records of how the tool works and who reviews its output. Confirm that any monitoring stays necessary and proportionate.
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