31 Aug The direct and indirect costs of a workplace injury
When an injury happens in the workplace, most business owners think first about the obvious cost. ACC levies, medical bills, maybe some time off. But that’s only part of the picture.
The hidden costs of an injury often outweigh the obvious ones. Understanding both is what turns health and safety from ticking boxes into a genuine business decision.
The direct costs – the ones you can see
Direct costs are the expenses tied straight to the injury itself. They’re the ones that show up on an invoice or a claim.
- ACC levies and claims costs.
Every employer pays a work levy based on industry risk and liable earnings, and a poor claims history can push that levy up over time. - Medical and rehabilitation costs.
Treatment, physio, and support to get someone back to work. - Wages for time off.
Whether you’re topping up ACC compensation or covering the gap while someone recovers. - Equipment or property damage.
If the injury happened alongside a machinery fault, vehicle incident, or damaged stock.
These costs are pretty easy to calculate, which is exactly why they get most of the attention. They’re also, on average, the smaller half of the bill.
The indirect costs – the ones that add up quietly
Indirect costs don’t come with an invoice, but they hit just as hard, often harder. They tend to fall into a few categories.
- Lost productivity.
Someone’s out, and either the work doesn’t get done or someone else has to drop what they’re doing to cover it. - Replacement and retraining.
Bringing in temporary cover or a new hire, and the time it takes for them to work at the same level. - Investigation and admin time.
Incident reports, ACC paperwork, corrective actions. Someone has to do this, and it can take a bit of time. - Team morale and culture.
Watching a workmate get hurt affects how the rest of the team feels about safety on site, and about the business. - Reputational impact.
For small businesses relying on referrals and repeat clients, a poor safety record can quietly cost future work.
Safety professionals have long used the idea of an iceberg to describe this – the direct cost is what’s visible above the waterline, and the indirect cost is the much larger mass sitting underneath it. Even with a conservative estimate, indirect costs regularly run to several times the direct cost of the same injury.
Why this matters more than most business owners realise
Nationally, the numbers show just how much is at stake.
Workplace injuries in New Zealand accounted for 4.7 million days of ACC weekly compensation in 2025, costing the scheme $815 million, and contributing an estimated $2 billion in lost productivity across the country in a single year.
For a small business, one injury claim rarely sits in isolation. It’s the missed job, the client who had to wait, the extra hours someone else worked to cover the gap, and the levy increase that follows a poor claims history. None of that shows up as a single line item, but all of it comes out of the same bottom line.
What this means for your business
You can’t eliminate risk entirely, but you can reduce how often incidents happen and how badly they land when they do.
A few practical starting points:
- Get your hazards identified and documented properly.
A hazard register isn’t paperwork for its own sake, it’s what lets you spot and manage risk before it becomes an injury. If you’re not sure where to start, our guide on how to identify hazards in the workplace walks through it step by step. - Keep safe operating procedures current and accessible.
If your team can find and follow the right process, you cut down on the errors that lead to claims. - Make it easy for your team to report hazards, not just injuries.
Most incidents have a warning sign that went unreported first. We’ve covered why hazard reporting matters and how to build the habit into your team. - Treat every incident report as a learning opportunity, not just paperwork.
Done properly, they’re one of the best tools you have for stopping the same thing happening twice, as we explain in our article about transforming incident reports into powerful lessons. - Review your claims history regularly.
Your ACC levy reflects your track record, so managing risk well has a direct financial upside too.
Health and safety doesn’t have to be complicated to be effective. The businesses that manage it well aren’t doing more paperwork than everyone else, they’re just doing the right things consistently, so the direct costs stay low and the indirect costs never get a chance to build.
Please contact us if you would like to discuss.