What is a Fractional HR Consultant — and does my business need one?

If you've started googling "do I need HR support" or "HR consultant for small business UK", there's a good chance you've come across the term fractional HR. It's one of those phrases that sounds more complicated than it is. Here's what it actually means - and how to work out whether it's what your business needs.

So what does fractional HR actually mean?

Fractional HR means bringing in a senior HR professional to work with your business on a part-time or flexible basis — rather than hiring someone full-time. You get the same level of experience and expertise (or usually, more senior than what you might invest full-time), just without the full-time salary, employer NI contributions, and permanent headcount.

Think of it a bit like a part-time Finance Director or CFO — a model that's been common in finance for years. Fractional HR works the same way, and it's becoming increasingly popular with small and medium-sized businesses in the UK that have outgrown the "wing it" stage but aren't quite ready for a full internal HR team.

What does a fractional HR consultant actually do?

It depends on what you need — which is rather the point. But broadly, a fractional HR consultant might:

•       Act as your de facto HR lead, attending leadership meetings and feeding into business decisions

•       Handle employee relations issues — performance, absence, grievances, disciplinaries

•       Build or improve your people processes (hiring, onboarding, performance reviews)

•       Advise on employment law and help you stay legally compliant

•       Work with your managers to build their confidence and support them handling difficult people situations

•       Support organisational change — restructures, team design, culture shifts

•       Coach an internal person who is stepping up into an HR role

A good fractional HR lead should be clear about what the engagement will deliver — not just what they'll be available for. Look for defined outcomes alongside the ongoing support

In short: the stuff a Head of People would do — just at the fraction of the cost, and with the flexibility to scale up or down as your needs change.

How is it different from using an HR agency or employment law firm?

Good question. There are a few key differences:

•       An employment law firm focuses on legal risk and compliance. They're brilliant when things go wrong — but they're not embedded in your business and they won't necessarily help you prevent issues in the first place, or help you build a great culture or improve how your managers work.

•       An HR agency typically provides admin or operational support. They're not usually providing strategic advice, and may not have the commercial know-how of an experienced People Leader.

•       A fractional HR consultant sits closer to the business. They understand your culture, your business goals, your team dynamics — and they apply HR expertise in a way that actually fits how you work. They're a proper part of your team, just not full-time.

Is fractional HR right for your business?

It tends to be a good fit if any of the following ring true:

•       You're a business of roughly 10–100 people, and people issues are landing on the CEO or COO's desk because there's nobody else to handle them

•       You're growing and starting to feel the pressure of not having proper HR in place — but you're not at the point of needing a full-time hire

•       You have an office manager or operations person who's doing their best with HR but needs proper expert backup

•       You've got a specific situation to resolve — a difficult employee, a team restructure, a hiring surge — and you need experienced help

•       You care about building a good culture and being a fair, decent employer — and you want HR that reflects that, not just a list of dos and don'ts

What does fractional HR cost in the UK?

Costs vary depending on the consultant's experience and how much time you need, but as a rough guide, fractional HR in the UK typically ranges from a few hundred pounds a month for very light-touch support, to £2,000–£5,000+ per month for a more substantial, ongoing engagement. Compare that to the cost of a senior HR hire (salary, NI, pension, benefits — easily £60,000–£90,000 all-in for an experienced person) and the economics are pretty clear for a business that doesn't need someone five days a week.

What should you look for in a fractional HR consultant?

Beyond the obvious (relevant experience, CIPD qualification or equivalent) look for someone who:

•       Genuinely understands business — not just HR. HR that doesn't connect to commercial reality tends to create friction rather than solve it.

•       Takes the time to understand your specific culture and context — not just your headcount

•       Is straightforward and practical. You want someone who gives you clear, actionable advice — not someone who makes things feel more complicated than they need to be

•       Feels like a natural fit for your team. You'll be working closely together, so the relationship matters

At Companies in Balance, we offer fractional HR support to small and medium businesses across the UK — typically 10 to 100 people. We always start with a People Roadmap to understand where you are now and what you actually need, so you're not paying for things that aren't relevant. If you're not sure whether fractional HR is the right fit, feel free to get in touch for a short, no-pressure conversation.