The Employment Rights Act Is About to Change How UK Companies Manage Hiring

UK employers that have treated the Employment Rights Act changes for employers as a distant compliance project are running out of time. The government has updated its implementation timetable, with major changes already in force and a second wave due across late 2026 and 2027.

For businesses, the most consequential shift may be the reduction of the qualifying period for unfair dismissal protection from two years to six months. The change is due to apply to dismissals from 1 January 2027.

That date creates a practical deadline much earlier than January. Employees joining businesses from July 2026 can begin accumulating the service needed to qualify as soon as the new regime starts.

Probation processes suddenly matter more

Many employers use six-month probation periods as a relatively informal extension of recruitment. That approach will become riskier.

When unfair dismissal protection begins after six months, companies will need clearer evidence that performance, conduct and role expectations were managed properly during probation. Managers who currently delay difficult conversations until month five or six may leave employers with little time to act.

The change therefore creates a management problem as much as a legal one. Businesses will need stronger onboarding, documented objectives, regular performance reviews and clear decision-making around probation extensions. Smaller employers may feel the burden most because they are less likely to have dedicated HR or employment-law teams.

Several reforms are already operational

The wider legislation is not waiting until 2027. Changes introduced in April include day-one paternity leave and unpaid parental leave, stronger whistleblowing protections connected to sexual harassment and changes to Statutory Sick Pay. The waiting period and lower earnings limit for Statutory Sick Pay have been removed.

The Fair Work Agency was also established in April.

Further measures are scheduled later in 2026, including a longer period for bringing many Employment Tribunal claims. The government timetable states that the general limit will rise from three months to six months from October, with a separate date for breach-of-contract claims in Scotland.

Harassment duties are also tightening

Employers are preparing for stronger obligations around workplace harassment. Measures due later in 2026 include a requirement for employers to take all reasonable steps to prevent sexual harassment and obligations relating to third-party harassment.

Those rules extend the compliance discussion beyond internal employee behaviour. Businesses that regularly deal with customers, contractors, suppliers or event attendees may need to reconsider policies and training.

The practical question will become whether an employer can demonstrate that reasonable preventive steps were actually taken. A written policy alone may not be enough — a familiar theme across recent UK business regulation.

Guaranteed hours will reshape flexible staffing

Another major change is expected in 2027. The government plans to introduce rights to guaranteed hours, reasonable notice of shifts and payments when shifts are cancelled or changed at short notice. Implementation timing remains subject to consultation.

The reforms are particularly significant for hospitality, retail, logistics and other sectors that rely heavily on variable scheduling. Businesses will need to examine whether workforce flexibility currently depends on transferring most scheduling risk to workers.

Employers should treat 2026 as the preparation year

The employment reforms are being introduced in stages, which gives companies time to prepare. It also creates a risk of complacency. Businesses now have overlapping implementation dates rather than one clean legal switch.

The most sensible response is to map every reform against existing contracts, HR policies, manager training and payroll systems. The six-month unfair dismissal threshold should be a priority because recruitment decisions made now can become legally relevant in January.

Employment law is moving from an issue companies review after a dispute to something that needs to be designed into the employee lifecycle. For UK employers, that shift has already started.