Scope note. This article discusses the Employment Rights Act 2025 and related regulatory developments from a talent acquisition perspective. It references the UK regulatory environment as context, but is not legal advice. For specific compliance decisions on employment contracts, probation, dismissal or the use of automated decision-making in recruitment, consult a qualified UK employment law or data protection specialist.
I was on a call last month with a founder in Manchester. Twenty-eight people, growing fast, one wrong senior hire eight months ago that she was still untangling. She said something that stayed with me. “If I could have known in week three what I know now, I’d have saved myself a year of grief.”
That conversation is now the whole ballgame for UK SMEs.
The Employment Rights Act 2025 received Royal Assent on 18 December 2025. From 1 January 2027, the qualifying period for unfair dismissal drops from two years to six months. Anyone hired from 1 July 2026 onwards hits that six-month threshold on or after the day the new rules take effect. There is no preparatory window for those hires.
For SME founders and heads of people, that is the whole conversation. Employment Rights Act hiring changes mean you now have to make hiring decisions right the first time, or manage them out of a very short window with a documented, defensible process. Neither is a place you want to be improvising.
The unfair dismissal qualifying period drops from two years to six months from 1 January 2027.
Under the current regime, most employers use the two-year window as an informal safety net. Issues surfacing at month four, five or eleven can still be addressed with relative flexibility. Under the new regime, that flexibility disappears.
The Government confirmed the timeline in its updated implementation roadmap, first published on GOV.UK on 3 February 2026 and refreshed several times since, most recently on 7 August 2026. The Fair Work Agency was established on 7 April 2026. Employment tribunal time limits extend from three to six months on 1 October 2026. The six-month unfair dismissal threshold activates on 1 January 2027, applying immediately to any employee who has already reached six months’ service by that date.
Practically, that means anyone joining from 1 July 2026 crosses the line at the moment the new rules bite. Employment law practitioners are broadly recommending a move to a three-month probation period with the option to extend by around a month, so that any final decision falls well inside the six-month window.
That is the direction of travel. What matters for talent acquisition is what it does to the hiring process upstream.
Because the margin for error is smaller and the fix costs more.
The CIPD Winter 2025/26 Labour Market Outlook, based on a survey of 2,082 senior HR decision-makers between 18 December 2025 and 17 January 2026, found that 37% of employers plan to reduce the recruitment of permanent staff because of one or more of the Employment Rights Act’s key reforms. Three-quarters (74%) expect the Act to increase employment costs. More than half (55%) expect workplace conflict to rise.
The CIPD Spring 2026 report, based on 2,049 employers surveyed across March and April 2026, showed cost management is now the number one organisational priority for 56% of private-sector SMEs. Only 20% of SMEs said regulatory compliance was an organisational priority, compared with around a third of larger firms. The CIPD Summer 2026 report, published on 17 August 2026 with 2,017 employers surveyed between 24 June and 24 July 2026, described a “low-hire, low-fire” labour market. Private-sector hiring intentions sit at a joint post-pandemic low, with only 57% of private-sector employers planning to recruit in the next three months.
That gap is the risk. Large employers have HR teams to absorb new compliance layers. SMEs run lean, and the founder or head of people is often the same person choosing candidates, running probation reviews, and now, defending those decisions in a tighter legal window.
The cost of getting it wrong is not new, but it is being repriced. Industry estimates from the REC and Oxford Economics put the total cost of a bad hire in the range of 1.5 to 3 times the person’s annual salary once you factor in lost productivity, management time and disruption to the wider team. Under the new regime, add the risk of tribunal exposure for anyone dismissed at or after the six-month mark without a documented fair reason. The unfair dismissal compensation cap is also being removed from January 2027, alongside the shorter qualifying period.
That is not a compliance conversation. That is a hiring quality conversation.
By moving the accuracy work upstream, before the offer letter, not after.
The old model relied on informal probation as a safety net. If someone did not work out at month nine, you had cover. The new model demands better prediction at week zero, because the runway to spot and act on a poor fit is now shorter than most SME probation review cycles allow.
This is where AI-assisted hiring stops being a marketing story and starts being an operational one for Employment Rights Act hiring readiness. Structured, evidence-based screening gives you a clearer read on capability, motivation and fit before you commit. Not because AI is smarter than the hiring manager, but because it makes the hiring manager’s judgement more consistent and easier to defend.
A few specific places it earns its keep for a UK SME.
Job description discipline. Tools that surface the skills and behaviours actually required for the role, rather than a copy of the person you last hired, reduce the noise in your applicant pool. Fewer wrong-fit CVs to sift means faster time-to-hire and better quality shortlists.
Structured screening. Consistent scoring criteria across candidates make hiring decisions easier to explain. If a decision has to be reviewed six months in, a documented, criteria-based process is the record you want to have.
Skills-based assessment. Short, role-relevant tasks give you evidence, not impressions. That evidence is what a shortened probation window rewards.
Interview scoring. AI-supported note-taking and structured interview frameworks reduce the drift between what different interviewers heard, so the panel is actually comparing candidates on the same axes.
None of this replaces human judgement. All of it improves the base data that judgement rests on. In a six-month probation world, that upstream accuracy is exactly what UK SMEs need. If you want a fuller view of how these tools compare, our earlier piece on AI recruitment software for UK SMEs walks through the practical options.
It sets the guardrails for how AI in hiring must be used, not whether.
On 31 March 2026, the Information Commissioner’s Office published Recruitment Rewired, an update on its work on the fair and responsible use of automation in recruitment. The report was based on voluntary engagement with more than 30 UK employers between March 2025 and January 2026. The ICO wrote to 16 organisations it considered likely to be operating outside UK data protection law. All 16 committed to act on the recommendations.
The ICO’s central finding was that many employers using AI in recruitment believe they are supporting human decisions when the tools are, in practice, making them. That gap between belief and reality is the compliance risk.
Under the Data (Use and Access) Act 2025, section 80, the old UK GDPR Article 22 was replaced with new Articles 22A to 22D on 5 February 2026. These set the framework for solely automated decision-making with legal or similarly significant effects, which includes many recruitment decisions. The ICO is signalling that employers should proactively monitor for bias, be transparent with candidates about when and how AI is used, and give candidates a clear route to challenge a decision and request human review.
The ICO ran a public consultation on its draft ADM guidance until 29 May 2026, with the final version expected in Summer 2026.
For UK SMEs, the practical read is this. AI in hiring is not being restricted. It is being regulated. Employers who put in the meaningful human oversight, transparency and bias monitoring the ICO signals will be exactly the ones best placed to hire well under the shorter probation window.
Redesign probation before July 2026 and make the hiring decision harder to get wrong.
A few practical starting points, informed by what employment law practitioners are broadly recommending and what talent teams are actually doing.
Review your standard probation period. If it currently sits at six months, model what it would look like at three months with a defined extension option. Compress the review cadence to weeks 4, 8 and 12, with clear performance criteria set on day one. Our piece on why new hires quit in the first 90 days covers the retention side of that same window.
Document everything from the offer letter forward. Role expectations in writing. Weekly one-to-ones with brief notes. Any performance concerns raised in the moment, not saved for a review. That paper trail is what supports a fair decision inside the six-month window.
Train hiring managers on structured interviewing. If the assessment window is shrinking, the front-end selection process has to carry more weight. Managers who default to gut-feel interviews are the biggest single source of downstream hiring regret.
Get honest about your AI tooling. If you use any automated CV screening, assessment scoring or interview analysis, you need to know exactly what it is doing, where the human decision sits, and what you can tell a candidate about it. If you cannot answer those questions today, that is your first project.
Talk to a qualified UK employment law specialist about your contracts and probation clauses. This is the point where regulatory context becomes personal risk, and it is worth getting formal advice on how your specific setup needs to change.
The Employment Rights Act hiring changes are not a hiring freeze. They are a hiring quality mandate with a deadline. The SMEs that treat July 2026 as a redesign moment for how they hire and how they run probation will spend the next eighteen months building stronger teams. The ones that do not will spend those months managing the consequences of hires they should not have made.
Stop searching. Start hiring right the first time.
The reduced qualifying period activates on 1 January 2027. It applies immediately to any employee who has already reached six months’ service by that date, which means anyone hired from 1 July 2026 onwards is inside its scope from day one of the new rules.
Nothing in the Employment Rights Act 2025 prohibits contractual probation of any length. What has changed is the risk profile. Employment law practitioners are broadly recommending shorter probation periods, around three months with an extension option, so that the final decision sits well inside the six-month statutory threshold.
Not inherently. The ICO’s Recruitment Rewired report and the Data (Use and Access) Act 2025 amendments to UK GDPR (Articles 22A to 22D) set expectations for transparency, meaningful human oversight and bias monitoring. Employers meeting those expectations can use AI to support hiring decisions. Employers relying on AI-generated shortlists without genuine human involvement are the ones the regulator has flagged.
The Government’s implementation roadmap is on GOV.UK. The CIPD Labour Market Outlook is on cipd.org. The ICO’s Recruitment Rewired report is on ico.org.uk. All three are linked in this article.
About the author
Sabiha is Talent Acquisition Director at Get Sponsored Job with 16+ years of international hiring experience across the UK, Dubai, South Africa and Malaysia. Shortlisted for Best Career Coach UK by the Career Development Institute, she has advised 300+ businesses on hiring and retention. Her forthcoming book, How to Use AI to Win Talent and Retain People (Trotman, Autumn 2026), is aligned to the CIPD Profession Map.
Global Talent. Ethical AI. Strategic Hiring. Sustainable Retention.
