A busy café invites a candidate to demonstrate their skills. The manager is pulled into a delivery problem, the queue grows and the candidate stays to help through lunch. What began as an assessment has become part of the staffing plan. Employers need to decide how a trial will operate before sending the invitation, then check what actually happens. An unpaid label cannot replace that decision.
There is no automatic unpaid first shift
Government minimum-wage guidance says a recruitment test can still create worker status and a right to pay. There is no fixed statutory trial duration that guarantees an exemption. The circumstances matter: genuine recruitment, proportionate length, observation, relevance to the vacancy and value to the business beyond assessment.
The government's view is that trials lasting more than one day will normally attract minimum wage except in very unusual circumstances. That does not make every shorter trial unpaid. Simulated exercises generally provide less business value than real production. HMRC, and ultimately a court or tribunal, assess the actual arrangement.
Use this as a management decision, not a search for the maximum free shift. If the plan needs the candidate to fill a staffing gap, budget for pay and arrange the appropriate employment and payroll checks before it starts.
Write an assessment brief that a supervisor can follow
Start with one real vacancy and the evidence missing from the interview. For a café role, that might be explaining an order, organising a small preparation area and demonstrating a technique. For an administrator, a fictional inbox exercise may reveal prioritisation without using the candidate to clear live customer requests.
Our practical recommendation is a one-page brief: tasks, assessment criteria, observer, start and finish times, proposed payment and who can approve changes. Choose the shortest useful exercise. A supervisor should be able to explain what they expect to learn from each task and when enough evidence has been collected.
Send the candidate the practical arrangements beforehand, including payment, expenses, location and a contact for questions. Invite requests for adjustments. Acas recommends accessible assessments and decisions based on the job criteria. In Great Britain, reasonable-adjustment duties apply to recruitment; do not score someone down for using agreed support.
Acas: interviewing applicants and work trials ↗ · Related guide: fair recruitment interview questions →
Watch for the moment assessment turns into staffing
Acas identifies warning signs including excessive duration, lack of observation, unrelated tasks and an exercise used to reduce labour costs. A genuine vacancy does not, by itself, resolve those concerns. The activity on the day matters as much as the invitation.
In our café example, the manager should stop and review the arrangement when the observer becomes unavailable. Continuing to serve customers while the team catches up is a different proposition from a planned demonstration. Record the actual tasks and time, then review pay for the whole arrangement; do not assume payment starts only when somebody notices the problem.
Give supervisors a clear escalation rule. They must not extend a trial, send the candidate to another department or replace an absent employee without approval. A useful closing question is: would today's operation have needed another worker if this candidate had not attended? A yes answer should trigger an immediate review, not an automatic legal conclusion.
Resolve payment without waiting for the hiring decision
A candidate's agreement to go unpaid cannot waive an applicable minimum-wage right. Nor does failing the assessment remove payment already due. Keep the pay decision separate from whether an offer follows, and do not describe an ordinary probation period after recruitment as an unpaid trial.
Where pay is due, give payroll the actual hours, tasks, agreed rate and the information needed to apply the relevant current minimum-wage rules. Our recommended control is to nominate one person to confirm payment and answer the candidate's query, even if the recruiting manager is away. Avoid leaving a one-off payment in an informal cash or expenses process.
If you discover an earlier unpaid trial may have been work, preserve the invitation, messages, rota and supervisor notes. Review the facts with payroll and HR, calculate any correction and tell the person what will happen. Check similar recent trials too: a repeated template error needs a process change as well as an individual payment.
Give managers a clear assessment and pay process.
HR + SAFETY can help your business review trial invitations, supervisor instructions and the handover to payroll.
Review your trial-shift processKeep time and pay evidence that can be reconciled
HMRC requires sufficient records to demonstrate minimum-wage compliance. They can be electronic or paper, but the information for a worker and pay reference period must be producible in a single document. Current records must be retained for at least six years, starting with the end of the following pay reference period.
For a paid trial, connect the attendance record, breaks, pay calculation and payment evidence. HMRC lists rotas, timesheets, job adverts and assessments among potentially relevant records. A diary entry saying only 'trial completed' will not explain how the pay figure was reached.
As a practical control, close the assessment file with the actual finish time, any change to duties, the selection outcome and the payment reference. Restrict access to recruitment notes and use an appropriate retention policy for the other candidate information; the minimum-wage record rule is not a reason to keep every unsuccessful application indefinitely.
Do not confuse your recruitment test with a Jobcentre Plus work trial
The Jobcentre Plus scheme is a separate route with its own eligibility conditions. It concerns a specific job after interview, with the jobseeker volunteering and being the only person considered for that vacancy. Participants continue receiving benefits rather than wages during the agreed trial.
Employers must agree the arrangement with Jobcentre Plus before offering it. The permitted length depends on the job's duration and the trial must end once suitability is established. Do not copy the scheme's longer time limits into an ordinary commercial recruitment process or retrospectively rename a shift to fit it.
If using the scheme, keep the approval and agreed conditions with the recruitment record. Make sure the supervisor understands which arrangement applies before the participant arrives.
The employer's trial-shift checklist
Official guidance checked on 9 November 2026. The minimum-wage discussion concerns UK employers; the recruitment-adjustment reference concerns Great Britain. Individual work-trial status depends on the facts, and separate employment, immigration and workplace-safety checks may also be needed.
- Identify the vacancy and the specific skill the exercise will assess.
- Choose suitable tasks, an observer and a clear finishing point.
- Review business benefit and payment before inviting the candidate.
- Explain arrangements and agree any assessment adjustments.
- Stop and reassess if supervision, duties or duration changes.
- Record actual attendance and resolve any pay due independently of the offer.
- Link payment evidence to the assessment record and review recurring problems.
Design the assessment before inviting the candidate. Keep it under supervision, recognise when it becomes productive work and settle payment on the facts rather than the label or hiring outcome.
This guide provides general information for UK employers. It is not legal advice and should not replace advice based on the facts of a specific matter.