The functions that make growth possible are usually the ones a growing business is slowest to invest in. Sales headcount gets signed off quickly. A second person in finance, a first proper HR hire, an operations coordinator: these are treated as overhead to be deferred. The market suggests that is a mistake. ONS and HMRC figures published on 18 June 2026 show that administrative and support services recorded the largest increase in payrolled employees of any UK sector in the year to May 2026, a rise of 34,000, while many sectors were shrinking.
Employers are buying back-office capacity because they have worked out what it does. The back-office roles that fill admin, finance, HR and operations are not a drag on growth. They are the engine that carries it.
Growth creates back-office work faster than it creates revenue
Every new customer generates more than revenue. It generates invoices to raise and chase, contracts to file, payroll lines as the team expands, supplier relationships to manage and compliance obligations to meet. That workload rises the moment you grow, not once growth has paid off.
If finance, HR and operations do not scale alongside the top line, the work does not disappear. It lands on the founder, on senior managers, or on nobody, which is worse. Growth that outruns its back office tends to stall on administrative failure rather than on demand.
The compliance load is rising as well
The internal workload is also being pushed up by regulation. The CIPD's Winter 2025/26 Labour Market Outlook, published on 16 February 2026, warned that Government estimates of an hour or less for employers to familiarise themselves with the Employment Rights Act significantly underestimate the real burden, which includes updating payroll systems, revising internal policies and training managers.
That is back-office work, and it has to be resourced. Smaller businesses with little or no dedicated HR support are the most exposed, because the obligations apply regardless of whether anyone has the capacity to meet them.
What each function protects
It helps to be concrete about what these roles defend when they are properly staffed:
· Finance protects cash flow, accurate reporting and the quality of the decisions leadership makes.
· HR protects hiring, retention and legal compliance, and keeps people problems from becoming tribunal problems.
· Operations talent protects delivery, so the promise the sales team made is the experience the customer receives.
· Administration protects everyone else's time, which is the most expensive resource a growing business has.
The cost of hiring these roles too late
The common error is leaving the first finance or HR hire until something breaks: a missed filing, a payroll error, a grievance that should have been handled months earlier. By that point you are recruiting under pressure, and hiring under pressure produces worse hires and higher turnover.
This is happening while employers are already cost-focused. The CIPD's Spring 2026 Labour Market Outlook found that 58% of employers rank cost management as their top priority, ahead of productivity at 44% and market share at 35%. Good finance and HR staff are exactly the people who make cost discipline possible, which is an argument for hiring them earlier, not later.
Hiring back-office talent well
The strongest people in these back-office roles share qualities that rarely show on a CV: sound judgement, fluency with systems, and the ability to build a process rather than run one that already exists. A good operations or finance hire leaves the function more organised than they found it.
Those traits have to be assessed through the interview, not filtered for by software names on a CV. They are what we screen for when we place candidates into administration, finance, HR and operations roles.
The back office is infrastructure, not overhead
Plenty of businesses can generate growth. Fewer can carry it without something breaking. Admin, finance, HR and operations are the infrastructure that turns a good year into durable business growth, and treating them as costs to defer is how growth comes undone.
If you are building out your support functions, our services for employers set out how we can help. Contact us to discuss the back-office roles you need to fill.
