08/09/2026
Hiring a full-time member of staff at a gym costs significantly more than their salary. Most gym owners find out too late.
Say you hire a receptionist on £22,000 a year. Here's what you're actually paying:
→ Salary: £22,000
→ Employer National Insurance (13.8% on earnings above £9,100): £1,778
→ Pension auto-enrolment (minimum 3% employer contribution): £660
→ Holiday pay (28 days statutory minimum, already costed into salary but worth tracking)
→ Recruitment costs (job boards, time to interview): typically £500–£1,500
→ Training and onboarding time: 2–4 weeks of reduced productivity
Total real cost: closer to £25,000–£26,500 in year one.
That's before you factor in sick pay obligations, the admin of running payroll every month, and the employer liability if things go wrong.
None of this means you shouldn't hire. Growth requires people. But gym owners who go in eyes open — who build the real employment cost into their financial model before signing a contract — make better hiring decisions and avoid the cash flow shock that catches so many out in months two and three.
Before your next hire, model the total employment cost. Not just the salary on the job posting.
If you want to talk through what a hire means for your gym's numbers specifically, book a free discovery call at strengthinnumbers.co.uk
Specialist accountants for UK gym owners. VAT, payroll, membership revenue, HMRC compliance and Virtual Finance Director support, built around how gyms actually work. Based in the West Midlands, serving gym owners nationwide.