The real cost of a bad hire (and how to work out yours)
When business owners hire quickly to solve a problem, a gap in the team or a role that’s been open too long, the pressure can be on to get someone in, rather than getting the process exactly right. The trouble is, when that hire turns out to be the wrong one, it doesn’t just fail to solve the original problem, it creates a bigger one on top of it, and one of those issues is the cost to the business if it doesn’t work out.
Some business owners think that cost is roughly what they paid the person in salary. The real number is usually a lot higher than that, and the impact isn’t just financial either. It’s worth understanding both the cost and the wider impact before you make a hiring decision under pressure.
CIPD research puts the cost of a failed hire at a minimum of £8,000 to £12,000 for a junior role, rising sharply with seniority. REC’s figures go further, estimating that a poor hire at manager level costs UK businesses an average of £132,000 once you properly account for productivity loss, management time, and the impact on the rest of the team. That’s for one hire that didn’t work out.
It’s not just the money
The financial hit is the easiest part to measure, but it’s often not the part that does the most damage. Your own time gets pulled into documenting performance issues, having difficult conversations, and managing someone out fairly, time that isn’t going into actually running the business. The rest of the team ends up covering gaps or picking up work that isn’t getting done properly, and that resentment tends to build. If the role is client-facing, a bad hire can mean a level of service that doesn’t match what clients are used to. And the original reason you were hiring, whether that was growth, capacity, or covering a gap, is still unsolved the whole time, so you’re often further behind than if the role had just stayed open.
Where the real financial cost hides
The salary is the visible bit. Most of the actual cost comes from places business owners don’t tend to add up.
- Getting them in the door – advertising, agency fees, and the hours you or your team spent on interviews
- Ramp up time – most new hires operate below full capacity for the first three to six months, and that gap is a real cost even when it’s not on an invoice
- Managing the problem – the hours you spend documenting issues, having difficult conversations, and going through a fair process before you can make a change
- Doing it all again – a second full recruitment cycle, on top of the first one you already paid for
- The knock-on effect – other staff covering gaps, morale dipping, and sometimes your best people getting frustrated enough to start looking elsewhere themselves
A quick way to work out your own number
Before you make an offer, it’s worth working out roughly what a bad hire would actually cost you if it doesn’t work out.
- Salary and on-costs (NI, pension) for the first three to six months (the length of your probationary period)
- What it will cost to recruit them, agency fee or advertising plus your own time
- What the lost productivity will be during the initial ramp up, based on how long it typically takes someone to get up to speed in that role
- What it would cost to run the whole recruitment process again if it doesn’t work out
Add it up, and it’s rarely close to just their salary. From there, you can decide whether the candidate you’re interviewing is genuinely worth that risk, or whether it’s better to hold on and wait until your instinct is telling you it’s the right one.
What actually brings down the risk of a bad hire
Three things make the biggest difference to the risks of recruiting the wrong person, in practice. Firstly, building fit into the process alongside skills, rather than relying on qualifications and experience on paper, catches a lot of these issues before an offer’s even made. Secondly, having the actual line manager involved in the final decision, rather than leaving it purely to HR or whoever’s running the process, means the person making the call is the one who’ll actually be working with them day to day. And finally, using structured interviews, with the same core questions for every candidate, consistently comes out ahead of free-flowing conversations in research on what actually predicts success in a role.
The important thing to acknowledge is that the cost of a bad hire can end up higher than the cost of a role simply staying unfilled for a while longer. So even if you’re struggling to find somebody, more often than not it’s better to hold out for the right person than to offer the job to the first person who comes along, especially if your instinct is telling you something isn’t quite right.
If you want a second opinion on where your recruitment process might be exposing you to these kind of costs, get in touch. We’re always happy to help!



