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28 March 2026

Still managing leave on a spreadsheet? Here's what it's costing you

By Kevin

Spreadsheets are fine for a lot of things. Budgets, project plans, quick calculations. They're genuinely useful tools and there's nothing wrong with them.

But managing staff leave for a growing team? That's where they start to fall apart.

It tends to happen gradually. You set up a tidy little sheet, add a tab for each year, colour-code the rows. It works well enough when there are three or four of you. Then the team grows, someone edits the wrong cell, two people book the same week, and suddenly you're spending more time managing the spreadsheet than managing the actual leave.

If that sounds familiar, you're not alone. It's how most small businesses handle it. But it's worth being honest about what it's actually costing you.

The hidden time cost

The most obvious cost is time. Not huge chunks of it, just a steady drip of small tasks that add up across the year.

Updating the spreadsheet when someone submits a request. Checking it before you approve. Cross-referencing it with another tab to see who else is off. Hunting through email threads to find the original request. Recalculating someone's balance when they join mid-year or move to part-time hours.

None of these tasks takes long on their own. But they happen constantly, they pull you out of whatever else you were doing, and they rely entirely on the spreadsheet being up to date. Which it often isn't.

The errors you might not catch

Manual processes create manual errors. A formula that breaks when you add a new row. A day marked as taken when it was actually declined. Someone's carry-over balance that never got updated after the new leave year started.

The problem with spreadsheet errors is that they're often invisible until something goes wrong. An employee thinks they have five days left when they have two. You approve a request without realising three other people are already out that week. You get to the end of the year and the numbers don't add up.

Small errors in leave management can create real problems. Incorrect holiday pay, disputes with employees, and in some cases compliance issues if statutory entitlements aren't being tracked properly.

The conversation you didn't want to have

Ask most business owners with five or more staff and they'll be able to recall at least one awkward leave-related conversation.

Two people who both booked the same week, each certain their request had been approved. A long-standing employee who felt their holiday request was handled less fairly than a colleague's. Someone who hit December with twelve days left and needed to take them all at once because nobody had flagged it sooner.

These situations aren't usually anyone's fault. They happen because the system, or lack of one, makes it easy for things to slip through. A proper leave management process doesn't prevent every difficult conversation, but it does remove the ambiguity that causes most of them.

The approval process that lives in someone's head

In a lot of small businesses, the leave approval process isn't written down anywhere. It exists in the head of whoever manages it.

That's fine when that person is available and on top of things. It becomes a problem when they're on holiday themselves, off sick, or just busy. Requests pile up, people don't know whether they've been approved, and the whole thing starts to feel more stressful than it should be.

A shared, visible system means anyone with the right permissions can see what's been requested and what's been approved, without having to ask someone to dig out a spreadsheet.

What a simple alternative looks like

The good news is that solving this doesn't require a big, expensive HR system. For most small businesses, the requirements are actually quite modest.

You need your team to be able to submit leave requests easily. You need to be able to approve or decline them quickly. You need everyone to be able to see who's off and when. And you need leave balances to update automatically so you're not doing the maths manually every time.

That's what Absently is built to do. It's a simple leave management tool for small UK businesses, nothing more complicated than it needs to be, and designed to replace the spreadsheet without adding a load of new admin in the process.

If you'd like to try it, you get 30 days free with no credit card required. Or if you're interested in being part of our founding members group, you can find out more here.


Absently is leave management software for small UK businesses. Simple, fairly priced, and built to replace the spreadsheet.

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