HR Consultancy for Small Businesses: How Much People + Culture Support Do You Actually Need?
You probably need to think about getting some kind of consistent HR support when your headcount reaches somewhere between 25 and 60 people. It usually starts with a particular people challenge: a grievance that has been bubbling away for a while, an unexpected resignation, or a manager who has been promoted but never given the training or support they need. Underneath it all is usually the same question: are we now at the stage where we need HR support, and what would genuinely work for our business?
It is a commercial question rather than an administrative one. Whether you employ a handful of people, or 100 people, the cost of getting people decisions wrong has stopped being theoretical. A badly handled exit can quickly generate legal costs, management time and replacement-hiring costs that exceed the price of a year of external HR support. And when a senior hire leaves after seven months, the business can lose client continuity as well as the months of leadership time already invested in recruiting, onboarding and supporting them. For UK employers, from 1 January 2027, most employees, including fixed-term contractors on payroll, will be able to bring an ordinary unfair dismissal claim after six months' continuous service rather than two years, and the statutory cap on compensatory awards will be removed under the Employment Rights Act 2025.
What we keep coming back to, after working with founder and leader-led businesses since 2010, is this. The point at which a growing company needs professional HR support usually arrives well before it needs, or can sensibly justify, a full-time internal HR team. Good HR consultancy closes that gap: it gives you different levels of People + Culture expertise at the moments you genuinely need them, while building the management capability and structures your business will need as you begin to scale.
Why does HR consultancy start to matter as a small business grows?
The transition is rarely dramatic. In the early years, people decisions sit with the founder, and that works because the founder knows everyone and has a clear view of how the culture works. Pay conversations often happen in the moment, performance issues can frequently get sorted out over a drink, and nobody needs to write much down.
What tends to happen as teams grow is that people decisions stop being made by the founder and start being made by managers. That is the real shift, and a bigger one than headcount suggests. A first-time manager who has never been taught to give difficult feedback will avoid the conversation, and the avoidance becomes the problem six months later, once the situation has hardened into something formal.
In addition, employees are increasingly becoming more employment-law savvy, and the introduction of AI means that people can more-easily create legal cases aligned with the incoming legislation more quickly, and confidently than before.
This is why headcount is a poor trigger for deciding whether you need HR support. We have worked with 30-person businesses carrying more people complexity than 90-person ones: multiple offices, freelancers moving in and out, two acquisitions in two years, or a founder team disagreeing about direction. Complexity comes from structure, change and management layers, not from the number on the payroll report.
A more useful sign is when better managers regularly ask the founder to join conversations they should feel able to handle themselves, nobody is quite sure which contract template is current, or salary decisions are being made one at a time without looking at the wider picture. That last one is often how pay starts to drift and the longer it goes unnoticed, the more costly it can be to put right.
The regulatory picture has sharpened this too. In Great Britain, from 6 April 2026, Statutory Sick Pay became payable from the first full day of sickness absence and the Lower Earnings Limit was removed, while paternity leave and unpaid parental leave became day-one rights. From 30 October 2026, employers will be required to take all reasonable steps to prevent sexual harassment, alongside a new obligation not to permit harassment of employees by third parties such as clients and suppliers. Someone has to own contracts, absence processes and manager guidance, and keep owning them as the rules move. If you don’t act now to ensure you are compliant, there could be greater ramifications and cost later down the line.
What does an HR consultant actually do for a small business?
An HR consultant gives a growing business access to the People + Culture expertise it needs, without the commitment of adding a permanent salary. In practice, that support usually falls into three areas: the day-to-day essentials, such as contracts, policies, onboarding and absence; employee relations support with grievances, disciplinaries, performance concerns and exits; and more strategic advice on organisational design, pay, progression and management capability.
That list tells you what an HR consultant can do. The more important question is what each type of support changes for the business.
Good operational HR gives leaders time back and brings greater consistency to everyday decisions. When contracts, probation processes and onboarding are clear and reliable, managers are not starting from scratch each time. That consistency also matters when things become more formal: under the Acas Code of Practice on disciplinary and grievance procedures, an employment tribunal can increase or reduce a compensatory award by up to 25% if a party has unreasonably failed to follow the Code.
Employee relations support helps protect the things that are hardest to rebuild: trust, confidence and working relationships. A grievance that is handled badly rarely stays between the two people directly involved, because the wider team will also be watching how the business responds when things become difficult.
Strategic People + Culture support is often where the biggest commercial value sits, even if it is not always immediately visible. Organisational design helps make sure your structure can support the next 40 hires without every decision becoming stuck with the leadership team. Clear progression frameworks help your best people see a future with the business, rather than feeling they need to leave to move forward. And strong management development underpins much of the rest.
Gallup continues to report that managers account for 70% of the difference in employee engagement between teams. Even if that figure is only broadly representative of a 60-person business with eight managers, the message is clear: investing in management capability is not a nice-to-have. It is one of the most important investments the business can make.
When does HR consulting make more sense than hiring in-house?
The honest answer depends less on how big the business feels and more on how much regular HR support it genuinely needs. We set out the full cost comparison in our guide to HR consultancy versus in-house HR, but the more useful question is whether you have the right capability available when you need it.
Most businesses start with the founder, COO or finance lead looking after HR alongside their main role, and that can work well for longer than you might expect. The challenge usually comes not from the volume of work, but from the judgement involved. When a situation turns on what a tribunal might make of the evidence, or how to restructure a team without losing the two people holding it together, someone who handles HR only occasionally is suddenly being asked to make a specialist call.
An internal HR manager is often a strong answer to the day-to-day workload. Recruitment, onboarding, absence, systems and employee questions all have a clear home. What one person cannot realistically provide is deep expertise across every area, because employment law, reward benchmarking, organisational design, coaching, restructures and TUPE are distinct specialisms. A good generalist may be strong in several of them, but the business will usually still need to bring in additional expertise from time to time.
A senior People Director brings valuable strategic thinking, and for a fast-growing business of around 150 people, that can be the right hire. Below that size, however, there is often not enough strategic work to fill five days a week. Paying Director-level rates for routine contract changes is also unlikely to be the best use of the HR budget.
An external HR consultant, retained consultancy or fractional HR Director can flex around what the business actually needs. The workload in a growing company is rarely predictable: one month may involve a restructure, the next three new hires and a policy refresh, and the month after that a single employee relations case requiring several hours of senior input. Retained support allows the level of expertise to change with the work, so you pay for HR Director thinking when it is needed and consultant or assistant time when that is the better fit.
Continuity matters more than many businesses expect. When an internal HR manager leaves, much of the process knowledge can leave with them. A team-based model spreads that knowledge across several people, giving the business greater resilience and consistency. Hannah Penn, Joint Managing Director of creative agency Pablo London, describes the benefit from a client’s perspective as “a depth and breadth of HR experience that ordinarily would not have been available to a company of my size” (homepage).
Having HR and having the right People + Culture capability are not the same thing
Contracts, policies and compliance genuinely matter, and businesses that neglect them find out the hard way. But a company can have all of that in good order and still be short of what it needs. The policies may be current. The handbook may have been updated recently. That does not mean the founder or senior leadership has the management capability to handle the next few hires, or that anyone has thought about what the org chart should look like as the business scales.
The Design Business Association's latest In Focus commentary sharpens the point. Among agencies that completed the survey in both years, headcount was down just 0.5%, while fee income per head fell by 2.1%. That means the commercial pressure cannot be explained simply by fewer people. It points back to how roles, skills and delivery are structured. We explored the wider people implications in The People Story Behind the Numbers. That is an organisational design question, and no handbook would have caught it.
What should you expect from a good HR consultancy?
They understand the business before prescribing the HR
A consultancy that arrives with a template pack has decided what you need before meeting your people. Before starting a retained relationship, we run an HR Health Check and an employee engagement survey, because the answer to what a business needs is usually sitting in what its people already think.
When a survey comes back, the headline score is the least interesting part. What matters is which teams are carrying risk, where managers are struggling, and which of those becomes expensive in twelve months if left alone.
You can access the right level of expertise for the question
Some questions need a Director-level view: should we restructure, how do we design progression, what does this acquisition do to our culture. Others need experienced consultant time, and plenty need capable operational support. Being able to move between those levels inside one relationship is, we think, the practical advantage of a team over a single consultant.
Advice works commercially as well as legally
Almost any employment question has a legally safe answer and a commercially sensible one, and they are not always the same. The safest advice is often to do nothing, which is little use to a founder with a genuine performance problem in a senior role. Good advice tells you the risk, the likely cost, and what we would do in your position. It should also be clear about its own boundary: complex settlement agreements, tribunal defence and unusual TUPE questions may need employment solicitors, and knowing when to bring them in is part of the job.
They build relationships with managers, not only the founder
If HR advice only ever reaches the business through the founder, the founder stays the bottleneck. The businesses handling this well tend to have consultants who know the managers by name and get called directly. A fair measure of the partnership after two years is whether managers handle more themselves than they used to.
What does HR consultancy look like in real businesses?
Bountiful Cow: strategic seat and operational delivery, without two hires
Adam Foley, CEO of the media agency Bountiful Cow, says we have become "invaluable as trusted advisors, sitting on the senior management team, as well as nailing all day-to-day functional basics, whether rough or smooth" (You Don't Think You're Big Enough for HR? Think Again).
Both halves of that sentence matter. An agency of that size would struggle to justify a People Director and an HR administrator as two salaries, yet it needs both kinds of work done. For a founder weighing up a single hire, the useful question is which half they are giving up.
Total Media: extending an in-house team rather than replacing it
Emmy Greener, People + Culture Manager at Total Media, describes us as "a wrap-around function to our in-house team", helping with complex employee relations cases, talent management and training, and adds that being able to seek advice daily "has also developed our own team and further added value to the business" (Retained HR Team).
That runs against the assumption that consultancy and in-house HR are alternatives. A small internal team plus external senior expertise is often the strongest arrangement a mid-sized business can build, and the internal team got better, which is what building capability rather than dependency looks like.
USDAW and others v Tesco Stores Ltd: informal promises become binding
Tesco offered warehouse staff a permanent "Retained Pay" enhancement in 2007 to persuade them to relocate rather than take redundancy, describing it as guaranteed for as long as they stayed in the role. In 2021 it sought to remove the benefit, warning that anyone refusing a lump-sum buy-out would be dismissed and re-engaged without it. On 12 September 2024 the Supreme Court unanimously restored an injunction preventing this ([2024] UKSC 28).
Tesco is not a small business, but the lesson transfers. Growing companies make informal promises constantly, about pay, progression, equity and flexibility, usually in good faith and usually verbally. Years later those commitments can be enforceable and expensive to unwind. From January 2027, new fire and rehire protections are also due to take effect in Great Britain, restricting dismissal and re-engagement used to impose certain changes to core contractual terms.
How do you know which HR services your business actually needs?
Start with the shape of the work rather than the size of the business. Occasional, unpredictable questions point towards ad hoc advice or a block of hours. Consistent weekly activity points towards retained support.
One-off advice suits a specific situation: a difficult exit, a first redundancy, a policy question with a real deadline. Pay As You Go or a bulk hour purchase works well here, and plenty of businesses stay in this mode for a year or two.
Project work suits a clear scope and outcome: a restructure, a management training programme, gender pay gap reporting, an appraisal process, an engagement survey. These often surface the need for something ongoing.
Retained operational support suits businesses where employee questions, contracts and manager queries have become a steady flow. The value is availability and consistency rather than volume. For businesses that want more continuity than ad hoc support but are not yet ready for a monthly retainer, an annual bundle of hours can be a useful stepping stone, giving them a bank of support to draw down across the year as needs arise.
Strategic or fractional HR leadership suits businesses going through change: rapid hiring, a funding round, an acquisition, a founder stepping back, or a leadership team needing someone senior in the room who thinks about people as their primary discipline.
These are not fixed positions. A small charity that came to us after appointing a Chief Operating Officer started with a project, building contracts, disciplinary and grievance procedures, leave and absence policies and a sexual harassment risk assessment from a standing start, and now works with us through an annual block of hours drawn down as needed (our Start Up Offering case study). Not everything has to begin with a retainer.
Most growing businesses need more than one of these, in a different mix each year. Worth thinking about which you are currently doing badly because nobody has the time, rather than which sounds most appealing.
How we can help
We are a People + Culture consultancy, founded in 2010, working with UK SMEs and founder-led businesses across a wide range of sectors. We have grown largely through word of mouth, and our support is designed to flex as a business grows. That shapes how we work: we are trying to be useful at your next size, not only your current one.
Our Retained HR Team model suits businesses needing genuine HR capability without the overhead of building it internally. We slot in as your team at different levels, combining HR Director thinking on the strategic questions with experienced consultants and assistants delivering everything else, in person wherever we can. The Client Collective works for smaller budgets: monthly retained access to our team through a dedicated HR inbox, with senior input when a question calls for it. For businesses that want flexible ongoing access without moving straight to a monthly retainer, an annual bundle of hours provides a set bank of support to draw down across the year and can be a useful stepping stone to retained support. Retained HR TeamClient Collective
Project work covers defined briefs at a fixed fee, from restructures and management training to engagement surveys and appraisal systems. Pay As You Go and Bulk Hour Purchase suit businesses wanting senior advice without a retainer, and our Fractional HR Director support embeds an experienced HR Director in your leadership team part-time, for when the strategic load has outgrown what a founder can carry but has not yet reached a full-time hire. You can see how each works on JHR’s How We Work page.
If you are trying to work out whether you need an HR consultant, a retained team, or someone senior sitting alongside your leadership team, we are happy to talk it through and tell you honestly what we think would make sense for your business.
Get in touch: https://www.journeyhr.com/contact
Final thought
The businesses handling this well tend not to treat HR as something to sort out once they are big enough, or once a complex situation happens. They treat it as something that should sit slightly ahead of where they are, so the structures exist before the pressure arrives rather than after it. For many companies between 25 and 200 people, that means buying several levels of experience at different intensities rather than asking one person to carry all of it. Get the mix right and the people side stops being the thing that slows growth down.
FAQs
How much does an HR consultant cost in the UK?
Costs vary by seniority, scope and whether the work is ad hoc, retained or project-based. Get in touch for a quote based on the size and scope of the brief. Retained support is priced as an annual plan based on the size, needs and scope of the business, while project work is quoted as a fixed fee against a defined brief.
When should a small business hire an HR consultant?
There is no fixed headcount. The right time is when people decisions start requiring expertise the business does not have internally. Common triggers include managers handling their first performance or grievance issues, a restructure, rapid hiring, or an employment law change affecting contracts and processes.
What is the difference between an HR consultant and an in-house HR manager?
An in-house HR manager is an employee, giving you daily availability and deep knowledge of one business at a fixed employment cost. An HR consultant or consultancy gives you access to several specialisms and levels of seniority, with spend flexing to the work and cover for holiday and illness built in. Many growing businesses eventually run both.
Can a small business outsource all of its HR?
Yes. Outsourced HR services can cover the entire function, from contracts, policies and onboarding through to employee relations, organisational design and strategic People + Culture advice. What cannot be outsourced is management responsibility, because your managers still hold the day-to-day relationships and make the decisions. The most effective arrangements build manager capability alongside providing the HR support itself.
What should you look for when choosing an HR consultancy in the UK?
Look for experience with businesses at your size and stage, access to more than one level of seniority, and advice that is commercial as well as legally correct. Ask how they will work with your managers rather than only your leadership team, whether they know when to bring in specialist employment lawyers, and how they keep up with changes such as the Employment Rights Act 2025 timetable. Cultural fit matters more than it sounds.
