Do I Need HR Support as a Small Business? What UK Employers Must Have by Law

Yes. If you employ even one person, UK employment law already applies to you. From day one, you must provide a written statement of employment particulars, have disciplinary and grievance procedures in place, and meet basic health and safety duties. HR for a small business in the UK isn’t optional; it’s a set of legal obligations designed to protect your business and your people.

Many small business owners assume an HR function is something you only need once you hit 50 or 100 staff. That’s a costly misunderstanding. Below, we set out exactly what’s legally required, what it costs to get it wrong, and how to put the right support in place without a big budget.

What are your legal HR obligations as a UK employer?

The moment you take on your first employee, a body of UK employment law applies to you in full. There’s no small-business exemption. These are the core legal requirements every employer must meet:

• A written statement of employment particulars issued on or before the first day of work. Since April 2020, this applies to both employees and workers, and it’s the foundation of compliant employment contracts for businesses.
• Disciplinary and grievance procedures you must give staff access to these, and follow the ACAS Code of Practice when you use them.
• Health and safety duties: a written health and safety policy is legally required once you have five or more employees, and employers’ liability insurance is compulsory from your first hire.
• At least the National Minimum or National Living Wage, plus itemised payslips.
• Working Time compliance: 5.6 weeks’ paid holiday, rest breaks, and a 48-hour average limit on work hours (which staff can opt out of).
• Pension auto-enrolment and right-to-work checks for every employee.
• No discrimination under the Equality Act 2010, and lawful handling of employee data under UK GDPR.

Getting these documented properly is where most owner-managers need help. Having the right company policies required by law in place from the start is what keeps you compliant as you grow.

What happens if you get HR wrong as a small business?

The consequences are financial, and they’re rising. In 2023/24, the average (mean) award for unfair dismissal at an employment tribunal was £13,749, with a maximum of £179,124, according to official HMCTS tribunal statistics. Discrimination awards have no cap at all; the average sex discrimination award that year was £53,403.

Two points make this especially dangerous for small businesses:

1. Procedure matters as much as the decision. If you dismiss someone without a documented, fair process, a tribunal can find the dismissal unfair even where you had good grounds. Failure to follow the ACAS Code can add an uplift of up to 25% to any award.
2. Some claims need no service. Discrimination and “automatically unfair” claims can be brought from day one, with no qualifying period.

Beyond the money, there’s the time, stress, and reputational damage of defending a claim. If you’re already facing one, our employment tribunal support helps employers through early conciliation and the response process. To be clear: we act for employers defending claims, not for employees bringing them.

What HR support do small businesses actually need most?

You don’t need a full HR department to be compliant; you need the right foundations. Use this as a quick self-assessment. If you can’t confidently tick each box, it’s a gap worth closing:

• Legally compliant, signed employment contracts for every team member
• An up-to-date employee handbook setting out your policies and expectations
• Clear disciplinary and grievance procedures your managers know how to use
• A consistent approach to absence and sickness management
• Fair, documented recruitment and onboarding processes
• Someone to call for practical advice before you act on a tricky issue

Most small businesses are strong on one or two of these and exposed on the rest. Our outsourced HR support services cover the whole list, and a properly written staff handbook for small business pulls your policies into one document employees can actually follow, which strengthens your company culture as well as your compliance.

Outsourced HR vs in-house HR: which is right for your size?

For most small business owners, this comes down to cost versus need. A full-time HR manager typically costs £35,000–£50,000+ in salary alone, before National Insurance, pension, holiday cover, and software. For a team of 5–30 people, that rarely stacks up.

Outsourced HR gives you the same expertise for a fraction of the cost:

• Retained HR: ongoing, unlimited advice and documentation for a fixed monthly fee. Our retained HR for small businesses starts from £50 per month, giving you an HR department on demand.
• Pay-as-you-go: for one-off issues like a single disciplinary or a contract review, our pay-as-you-go HR support means you only pay when you need us.

Both give you access to qualified HR professionals without the overhead of hiring. You can explore the full range of outsourced HR services for UK SMEs to find the model that fits your size.

What has the Employment Rights Act 2025 changed for small business owners?

The Employment Rights Act 2025 is the biggest shake-up of UK employment law in a generation, and it’s being phased in across 2026 and 2027. The headline changes that matter most to small employers are:

• Unfair dismissal from six months, not two years. From 1 January 2027, the qualifying period drops from two years to six months. Anyone employed from around 1 July 2026 will gain protection once they hit six months’ service. (Note: an earlier “day-one” proposal was dropped; the six-month period is the confirmed position.)
• The compensatory award cap is removed for unfair dismissal from 1 January 2027, increasing your financial exposure.
• Day-one paternity and unpaid parental leave, plus Statutory Sick Pay reforms, from 6 April 2026.
• A strengthened duty to take “all reasonable steps” to prevent sexual harassment, in force from 30 October 2026.
• Tighter controls on zero-hours contracts and “fire and rehire.”

With protection kicking in far earlier, your contracts, probation processes, and documentation need to be right now. Implementation dates depend on secondary legislation and could shift, so it’s worth reviewing your setup with HR services for UK SMEs ahead of each deadline.

How to get HR support without a big budget

You have two straightforward routes. Retained HR suits businesses that want certainty a fixed monthly cost, and someone who already knows your business when something goes wrong. Pay-as-you-go suits those with occasional needs who’d rather pay per issue. Both are far more cost-effective than an in-house hire.

Wherever you are, we can help. As Harwood HR Solutions, we support employers across the UK, including dedicated HR support in Leicester, London, and HR support in Manchester. Knowing when to hire an HR consultant usually comes down to one question: is your current setup protecting your business, or exposing it?

Building a strong, compliant and people-focused workplace starts with the right HR expertise on your side, and that’s exactly what Harwood HR Solutions delivers. From tailored consultancy and HR support to bespoke training and policy development, our experienced team helps businesses of all sizes navigate complex people-related challenges with confidence. 

Ready to strengthen your HR strategy and support your employees more effectively? 

Contact Harwood HR Solutions Ltd,, and call us on 020 3936 9171 to explore our full range of services and start transforming your workplace today.