How To Recruit Staff In the UK: A Legal Checklist

Hiring your first (or next) team member is a big milestone. It’s also one of those moments where “doing it properly” matters - because the way you recruit can create legal risk long before anyone’s even started work.

If you’re searching for how to recruit staff in the UK, you’re probably balancing speed, budget, and finding the right person. The good news is that you don’t need a huge HR department to run a compliant, professional hiring process.

What you do need is a clear legal checklist - so you can bring people on confidently, avoid common traps (like discriminatory job ads, risky interview questions, unclear offers, or poorly handled work trials), and set expectations from day one.

Below we’ll walk through a practical, small-business-friendly recruitment checklist, including the key UK legal issues to think about at each step.

Why The Legal Side Of Recruitment Matters (Even Before Day One)

Recruitment isn’t just “finding someone good and agreeing a salary”. In the UK, legal obligations can apply from the moment you advertise a role and start collecting candidate information.

Getting the legal side right early helps you:

• Reduce discrimination risk (advertising, screening, interviews and decisions)
• Avoid status and classification issues (for example, employee vs worker vs contractor)
• Protect confidential information you share during the hiring process
• Set enforceable expectations about duties, pay, probation, notice, and policies
• Prevent messy disputes later about what was agreed

It can feel like a lot - but once you have a consistent process and the right documents in place, it becomes much easier to repeat as you grow.

How To Recruit Staff: A Step-By-Step Legal Checklist

If you want a simple way to approach how to recruit staff, think of it as five stages: plan, advertise, assess, offer, and onboard. Here’s what to check at each stage.

1) Plan The Role (And Decide The Right Work Arrangement)

Before you post a job ad, get clear on what you’re actually hiring for. This sounds obvious, but many small businesses skip this step and end up recruiting in a rush - which usually leads to unclear expectations and avoidable performance issues.

Start with:

• Role title and core duties (what “good” looks like in the first 3 months)
• Working pattern: full-time, part-time, fixed-term, or casual
• Location: office-based, hybrid, fully remote
• Pay: salary or hourly rate (and any commission/bonus)
• Reporting lines: who manages them

Then, decide whether this person should be an employee, a worker, or a contractor. This isn’t just a “preference” question - it’s about the reality of the working relationship (control, personal service, mutual obligation, etc.). If you’re unsure, it’s worth getting advice early, because getting status wrong can create tax, employment rights and dispute risks.

2) Set A Budget And Confirm You Can Lawfully Pay It

Recruitment costs more than just wages. Make sure your budget includes:

• Employer National Insurance and workplace pension contributions (where applicable)
• Holiday pay costs
• Equipment (laptop, uniform, tools, phone)
• Training and supervision time
• Potential recruitment agency fees (if used)

Also, if you’re considering a “trial shift” or other practical assessment, be careful about pay. Whether it must be paid depends on the facts - including what the person is doing, for how long, and whether it’s genuinely limited to assessing suitability (rather than providing useful work to your business). The rules can be nuanced, but as a starting point it’s wise to keep trials short, clearly documented, and to budget to pay where the trial involves real work. Trial shifts are a common area where small businesses accidentally get it wrong.

Note: the above is general information only and isn’t tax or financial advice. If you need help with payroll, NICs or pensions in your specific situation, it’s worth speaking to an accountant or payroll provider.

3) Decide What You Need To Check (Before You Start Collecting Data)

As soon as you collect CVs, application forms, interview notes, references, and right-to-work documents, you’re handling personal data.

So, consider upfront:

• Who in your business will access candidate information
• Where it will be stored (email inboxes, cloud storage, applicant tracking systems)
• How long you’ll keep it for unsuccessful applicants
• How you’ll share it internally (and avoid oversharing)

Getting your privacy compliance right early is part of building professional hiring foundations. If you need help putting the right documentation and practices in place, a GDPR package can be a practical starting point.

Advertising The Role: Avoid Discrimination And Misleading Job Ads

Your job ad is often the first legal “touchpoint” in recruitment. Most small businesses aren’t trying to exclude people - but certain wording can still create discrimination risk.

Keep Job Ads Objective And Role-Focused

Aim to describe the role requirements, not the “type of person” you imagine doing it. For example, be cautious with language that implies age, gender, or health assumptions.

Focus on:

• Essential skills and experience
• Specific responsibilities
• Working hours and location requirements
• Pay range (where possible) and benefits
• Any genuine requirements (e.g. legal right to work, driving licence if truly needed)

Be Careful With “Must Be Able To…” Statements

Some requirements can unintentionally screen out people with disabilities, caring responsibilities, or religious needs. This doesn’t mean you can’t set standards - but you should be able to justify them as necessary for the role.

Use A Consistent Application Process

Consistency helps you make better decisions and reduces legal risk. For example, if you ask one candidate to do a task or provide a portfolio, you should normally do the same for others applying for the same role.

Shortlisting And Interviews: What You Can (And Can’t) Ask Candidates

Interviews are where many businesses get exposed - usually through off-the-cuff questions asked in a friendly conversation. Even if your intent is harmless, certain questions can lead to discrimination claims or complaints.

Avoid Unlawful Or High-Risk Interview Questions

As a rule of thumb, avoid questions about protected characteristics (such as age, disability, pregnancy, marital status, religion, sexual orientation, etc.) unless you have a very specific and lawful reason to ask (and even then, get advice on how to handle it).

If you want a clearer sense of what crosses the line, it’s worth reviewing examples of illegal interview questions so you can train anyone involved in hiring.

Stick To Structured, Job-Relevant Questions

Good interview questions are:

• Role-based (tied to real tasks and responsibilities)
• Evidence-seeking (“Tell me about a time when…”)
• Consistent (asked across candidates, with notes taken)

Taking interview notes can also help you justify your decision later if a candidate challenges it - but remember those notes are personal data and should be stored securely.

Work Trials And Skills Tasks: Keep Them Fair And Proportionate

Skills tests can be a great way to recruit confidently - particularly for practical roles (hospitality, trades, admin, sales). Just make sure they:

• Relate directly to the job
• Don’t take excessive time
• Don’t create “free labour” (and if they involve productive work, consider paying and documenting the arrangement)

As mentioned earlier, trial shifts are a common pain point, so it’s worth setting a clear internal rule on when you’ll pay and how you’ll document the arrangement.

Checks, References And Offers: Getting The Pre-Employment Stage Right

Once you’ve picked your preferred candidate, it’s tempting to move fast. Speed is great - but you still want to lock things down properly.

Right To Work Checks

You’ll generally need to carry out a right to work check before employment starts. This is separate from discrimination obligations - meaning you should apply the same process to all candidates, not only those you “think” may not have the right to work.

Right to work checking rules can be detailed (and may change over time), so make sure you follow the current Home Office guidance.

References

References aren’t legally mandatory for every role, but they’re common. If you do request them:

• Get the candidate’s consent to contact referees
• Keep your reference questions consistent
• Avoid collecting more data than you actually need

Also decide whether you’ll make the offer conditional on receiving satisfactory references, right to work checks, or other checks relevant to the role (for example, certain regulated roles may require additional screening).

Make Offers Clear (And Avoid Accidental Promises)

Your verbal offer and email offer can become very important if there’s a dispute later about what was agreed. Keep your offer communication clear and consistent.

At minimum, confirm:

• Job title
• Start date
• Pay
• Hours and work location
• Whether the offer is conditional (and on what)
• That a written contract will follow

One common mistake is delaying the paperwork. Even if your new hire is keen to start, you should aim to have the essentials documented properly - relying on “we’ll sort it later” can create risk. If you’re wondering whether it’s okay to proceed without written terms, it’s worth reading about working without a contract and why it often causes disputes.

Employment Contracts And Onboarding: Protect Your Business From Day One

Once someone accepts your offer, the next step is setting them up for success - and protecting your business while you do it.

Use A Proper Employment Contract

A strong contract isn’t just a “legal formality”. It’s the document that sets expectations and reduces uncertainty. It should be tailored to your business and role (not a generic template).

Depending on your setup, you may need an Employment Contract that covers things like:

• Pay, hours, overtime, and place of work
• Duties and reporting lines
• Holiday and other leave
• Sick pay terms (in addition to statutory minimums)
• Notice periods
• Confidentiality and IP ownership
• Disciplinary and grievance procedures (often via a handbook)
• Termination rights and any garden leave / restrictive covenants (where appropriate)

If the role involves sensitive information, client relationships, or strategic work, getting the contract right is especially important.

Set Up Probation Properly

Probation is one of the most useful tools for small businesses - but only if you handle it clearly and consistently. A well-drafted probation clause can set expectations and create a structured review point.

Make sure you understand how probation periods work in practice, including what you need to do if performance isn’t where it needs to be by the end of probation.

Put Key Workplace Policies In Place

Policies help you set standards across the team, reduce disputes, and show that you’re running a professional workplace. They’re also useful evidence if you ever need to manage conduct or performance fairly.

Common policies to consider include:

• Code of conduct
• Equal opportunities and anti-harassment
• Disciplinary and grievance procedure
• Sick leave and absence reporting
• Remote working / hybrid working
• IT and device usage

If your team will use work systems (or you allow BYOD), an Acceptable Use Policy can be a simple but powerful way to manage risk around email, internet use, software, and data access.

Onboard With Training, Access Controls And Data Protection In Mind

Onboarding isn’t just introductions and logins. It’s also the moment to make sure your new hire:

• Understands confidentiality expectations
• Only has access to what they need (especially for customer lists, pricing, financials)
• Knows how to handle personal data safely
• Knows who to ask if something goes wrong (lost device, suspicious email, data breach)

Small businesses are often targeted because processes are informal - so building simple access controls and training early is a smart way to protect your operations as you scale.

Key Takeaways

• If you’re working out how to recruit staff, treat recruitment as a process: plan the role, advertise carefully, assess consistently, make a clear offer, and onboard with proper documentation.
• Job ads and interviews are common legal risk points - keep them role-focused, consistent, and free from discriminatory wording or unlawful questions.
• Be cautious with work trials and “trial shifts”, because whether they need to be paid is fact-specific and unpaid trials can create wage and compliance problems if handled incorrectly.
• Carry out right to work checks in line with current guidance, and apply the same process consistently across candidates.
• A tailored Employment Contract and clear probation process help you set expectations and protect your business from day one.
• Workplace policies (like an Acceptable Use Policy) help you manage conduct, IT usage, and data protection in a practical, scalable way.
• When in doubt, get advice early - it’s usually quicker and cheaper than untangling a dispute after someone starts (or after a hiring decision is challenged).

If you’d like help recruiting staff, putting the right contract and policies in place, or sense-checking your hiring process, you can reach us at 08081347754 or team@sprintlaw.co.uk for a free, no-obligations chat.