Employment Law Basics for New Employers

Hiring your first employee is a huge milestone, but it opens up a world of legal responsibilities that catch many new employers off guard. UK employment law is detailed and ever-evolving, covering everything from contracts to pay, working hours, health and safety, and dismissals. This comprehensive guide takes you through the essentials—step by step—so you can protect your business, treat staff fairly, and stay on the right side of the law from the very start.

The moment you employ someone in the UK, you take on a raft of legal responsibilities, most of which kick in from day one. These obligations aren’t optional, and failing to meet them can land you in serious trouble with HMRC, employment tribunals, or the Health and Safety Executive. It’s not just about avoiding fines—these laws protect both you and your employees, setting clear standards for pay, treatment, and safety.

At the heart of UK employment law are statutes like the Employment Rights Act 1996, Equality Act 2010, and the Health and Safety at Work etc. Act 1974. Together, they ensure your employees have certain rights—like a written contract, fair pay, protection from discrimination, and a safe workplace. You also have duties around tax, National Insurance, and statutory benefits. Getting these basics right from the start is non-negotiable.

Confusion often arises because employment law covers so many areas—contracts, pay, holidays, sick leave, family leave, dismissals, and much more. You can’t just rely on common sense or handshake agreements. The law is specific, and ignorance is not a defence. Every year, thousands of UK small businesses face costly claims or fines simply because they didn’t realise what they needed to do.

• Provide a written statement of employment particulars on or before the first day of work.
• Register as an employer with HMRC before the first payday.
• Ensure compliance with minimum wage, working hours, and holiday pay regulations.
• Maintain adequate health and safety arrangements and insurance.
• Keep accurate records of pay, hours, and statutory leave.

Even before someone starts work, UK employment law applies to your recruitment process. The Equality Act 2010 makes it illegal to discriminate—directly or indirectly—on grounds like age, sex, race, disability, religion, or sexual orientation. This covers job adverts, interviews, selection criteria, and offers. Get this wrong and you could face an employment tribunal claim, even from someone you never hired.

Best practice is to focus job adverts and interviews on the skills, experience, and attributes actually needed for the role. Avoid questions or requirements that aren’t relevant, especially anything touching on protected characteristics. For example, asking about health or family plans is off-limits unless directly job-related and justified.

You should also keep records of your recruitment process—notes from interviews, reasons for selection or rejection, and copies of adverts. This paperwork can be crucial if a rejected candidate later claims discrimination. ACAS and the Equality and Human Rights Commission provide clear codes of practice to guide fair and lawful recruitment.

• Draft job descriptions that match genuine business needs.
• Use structured interview questions and scoring.
• Avoid discussing personal circumstances unless job-related.
• Document decisions and feedback after interviews.
• Offer reasonable adjustments for disabled candidates.

As an employer, you’re legally required to check that every employee has the right to work in the UK before they start. This duty applies to all staff, regardless of nationality, and failing to do these checks can land you a civil penalty of up to £20,000 per illegal worker. The Home Office provides clear guidance and lists of acceptable documents.

The process involves seeing original documents (such as a UK passport, biometric residence permit, or share code for EU/EEA citizens), checking they are genuine, and recording the date and details. You must keep copies for at least two years after employment ends. There are no shortcuts—simply accepting a CV is not enough, and you can’t rely on appearances or accents.

With post-Brexit immigration changes, it’s especially important not to make assumptions based on nationality. All employees must be checked, and discrimination in the process can itself be unlawful. If you use the Home Office online checking service, you should keep electronic records of the checks too.

By law, every employee in the UK is entitled to a written statement of employment particulars on or before their first day. This is not a full contract, but it must cover the main terms: job title, start date, pay, hours, holiday entitlement, notice periods, and more. For best practice and clarity, most employers provide a full contract from the outset.

A proper employment contract protects both you and your employee by setting boundaries and expectations. It should detail not just the legal minimums, but also company policies on sick pay, disciplinary procedures, confidentiality, and benefits. If you don’t provide a written statement, employees can bring a claim to an employment tribunal, which can award up to four weeks’ pay.

It’s easy to underestimate the importance of clear contractual terms. Disputes often arise over things like overtime, bonus schemes, or notice periods. If it’s not in writing, your position is much weaker. ACAS and GOV.UK provide free templates, but for anything complex, it’s worth getting legal advice.

• Issue the written statement or contract before the employee’s first day.
• Include all mandatory terms required by law.
• Review and update contracts as your business grows.
• Make sure both parties sign and keep a copy.
• Explain all policies referenced in the contract clearly.

Paying staff correctly and on time is a cornerstone of employment law. The National Minimum Wage (NMW) and National Living Wage (NLW) set the legal minimum hourly rates for different age groups. As of April 2026, the NLW is £11.44 per hour for workers aged 21 and over. You must check the current rates each April and adjust pay accordingly, as rates usually rise annually.

You’re legally required to provide every employee with a payslip showing gross pay, deductions (such as tax and National Insurance), and net pay. Payroll must be reported to HMRC under Real Time Information (RTI) before or on the day employees are paid. Failing to pay the correct minimum wage can lead to HMRC investigations, back pay orders, penalties, and public naming and shaming.

Don’t forget other pay-related obligations—statutory sick pay (SSP), parental pay, holiday pay, and overtime. Record-keeping is crucial: keep payroll, pay, and hours records for at least three years. Many small businesses use payroll software, but you can also outsource to a payroll bureau or accountant. Either way, the legal responsibility remains with you.

• Check and update pay rates every April.
• Keep accurate timesheets for hourly staff.
• Issue itemised payslips for every pay period.
• Monitor overtime and ensure it’s paid correctly.
• Register as an employer with HMRC before your first payday.

The Working Time Regulations 1998 set out rules on working hours, rest breaks, and paid annual leave. Most adult workers can’t be forced to work more than an average of 48 hours per week, unless they voluntarily opt out in writing. Staff are entitled to at least 20 minutes’ break if their shift is longer than six hours, plus daily and weekly rest periods.

Holiday entitlement is also a legal minimum. Full-time staff are entitled to at least 5.6 weeks’ paid leave per year, which equates to 28 days for someone working five days a week. This can include the eight UK statutory bank holidays, but you’re not obliged to offer more than the minimum unless you choose to.

You must keep records of hours worked and holidays taken, and ensure staff actually take their leave. Rolled-up holiday pay (including an allowance in the hourly rate instead of paid leave) is unlawful. Don’t forget part-time or irregular hours staff—they’re entitled to pro-rata paid leave, and you’ll need to calculate it based on their hours.

• Offer at least 5.6 weeks’ paid leave (pro-rata for part-timers).
• Keep records of hours, rest, and leave for at least two years.
• Don’t force or allow excessive overtime without written opt-out.
• Ensure breaks are scheduled and taken, especially for younger workers.
• Set clear holiday request and approval processes.

Health and safety law applies the moment you employ anyone—even just one person. Under the Health and Safety at Work etc. Act 1974, you have a legal duty to provide a safe working environment, assess risks, and take reasonable steps to prevent accidents or illness. The Health and Safety Executive (HSE) enforces these laws and provides free resources for small businesses.

If you have five or more employees, you must have a written health and safety policy and record your risk assessments. All employers must display the HSE’s health and safety poster and provide staff with information and training relevant to their role. Employers are also legally required to carry Employers’ Liability Insurance with at least £5 million cover from an authorised insurer.

Common areas of risk for small businesses include slips, trips, manual handling, display screen equipment, and stress. Ignoring health and safety can result in HSE investigations, improvement notices, unlimited fines, and even prison in the case of serious breaches. Accidents must be recorded in an accident book, and serious incidents reported to the HSE under RIDDOR.

• Carry out and document risk assessments regularly.
• Provide health and safety information and training to all staff.
• Maintain an accident book and report serious incidents.
• Display the HSE health and safety poster in the workplace.
• Review your insurance cover annually.

UK employees are entitled to a range of statutory leave and pay rights from day one or after a qualifying period. These include maternity, paternity, adoption, and shared parental leave, as well as time off for dependants and unpaid parental leave. Statutory Maternity Leave is up to 52 weeks, with Statutory Maternity Pay (SMP) for up to 39 weeks, currently at £184.03 per week (April 2024).

Flexible working is also a legal right for all employees from day one of employment (since April 2024). Any employee can make a formal request, and you must consider it reasonably and respond within two months. You can only refuse for specific business reasons, such as the burden of additional costs or impact on quality.

Failure to handle family-friendly rights correctly is a common source of employment tribunal claims. Make sure your contracts and policies are up to date, and that managers understand the law. ACAS provides model policies and step-by-step guides for handling requests and leave.

• Update contracts to reflect statutory leave entitlements.
• Train managers to handle requests fairly and lawfully.
• Keep records of leave taken and communications.
• Download ACAS guides for practical templates and checklists.
• Be proactive—don’t wait for staff to raise concerns.

Even in a small business, you need proper procedures for handling discipline, grievances, and dismissals. The law requires a fair and transparent process, especially if you need to dismiss an employee with more than two years’ service. Unfair dismissal claims are a major risk for employers who cut corners or act hastily.

The ACAS Code of Practice sets out the gold standard for managing disciplinary and grievance issues. While not legally binding, employment tribunals will take it into account when deciding cases—and can increase compensation by up to 25% for failure to follow it. This means holding proper meetings, giving staff a chance to explain, allowing accompaniment, and making decisions based on evidence.

Dismissal should always be a last resort, and you must have a fair reason (such as conduct, capability, redundancy, or breach of statute). Dismissing someone for a discriminatory reason or without following due process is almost always unlawful, regardless of their length of service. Settlement agreements are sometimes used to avoid disputes, but these must be handled carefully with legal advice.

• Follow the ACAS Code for all disciplinary and grievance matters.
• Document every step—meetings, warnings, outcomes.
• Allow the right to be accompanied at formal meetings.
• Avoid dismissals 'on the spot'—always investigate fully.
• Seek legal advice for complex or risky cases.

Employers must keep a range of records to comply with employment law: pay, hours worked, holidays, sick leave, and right-to-work documents. These records protect your business if there’s a dispute or investigation—and most must be kept for at least three years (some, like payroll, for longer).

The Data Protection Act 2018 and UK GDPR add another layer of responsibility. You must handle employee data lawfully, keep it secure, and only use it for legitimate business purposes. This means informing staff about what data you collect, how it’s used, and how long it’s kept. The Information Commissioner’s Office (ICO) has detailed guidance and templates for small businesses.

Common pitfalls include keeping unnecessary data, sharing it without permission, or failing to secure personnel files. Data breaches can result in significant ICO fines and reputational damage. Make data protection a standard part of your onboarding and HR processes from day one.

• Keep pay, hours, and leave records for at least three years.
• Store personnel files securely (locked or password-protected).
• Provide a privacy notice to all staff.
• Only share employee data on a need-to-know basis.
• Train managers on GDPR basics and reporting breaches.

Employment law is a minefield for the unprepared. Some mistakes crop up time and again—missing the written statement deadline, underpaying holiday or minimum wage, skipping right to work checks, or mishandling a grievance. These aren’t just admin slip-ups; they can land you with fines, tribunal claims, and reputational harm that small businesses struggle to recover from.

Another common pitfall is relying on outdated templates or 'borrowed' contracts from the internet. Employment law changes regularly, and what worked for a friend’s business five years ago may leave you exposed today. Always check that your paperwork is up to date and UK-specific. If in doubt, take advice from ACAS, a solicitor, or a reputable HR provider.

Don’t forget your obligations continue throughout the employment relationship—not just at hiring. Failing to handle family leave, flexibility requests, or dismissals fairly can undo years of good work in seconds. Put processes in place, train your managers, and never cut corners when it comes to legal basics.

• Don’t delay issuing contracts or written statements.
• Never pay below the current minimum wage or holiday entitlement.
• Always carry out and document right to work checks.
• Use up-to-date, UK-specific templates reviewed annually.
• Act quickly and fairly on grievances and flexible working requests.