Your Excel sheet was fine when you had 4 people. Here's why it's costing you time, causing errors, and frustrating your team now.
"Can you check if I still have 3 days left?"
"Someone's overwritten my formula in the shared sheet."
"I didn't realise two developers were off the same week."
"The part-time calculations are wrong again."
"Where's the latest version — is it v3_FINAL or v3_FINAL_UPDATED?"
If you've said (or heard) any of these, your spreadsheet has outgrown its purpose.
These aren't edge cases. They happen to every team that relies on spreadsheets beyond a handful of people.
Spreadsheets can't send approval requests, route them to the right manager, or notify employees of the outcome. You end up with email chains, Slack messages, and verbal approvals that nobody tracks.
One accidental keystroke can corrupt a formula. A pasted value over a formula cell. A row inserted in the wrong place. Spreadsheet errors are silent — you won't know until someone's balance is wrong months later.
A spreadsheet can't tell you that approving Sarah's holiday will leave your engineering team with zero coverage. You have to manually cross-reference dates across tabs and hope you don't miss anything.
Pro-rata entitlement, bank holiday adjustments, mid-year starters, variable hours — these calculations are complex and error-prone in a spreadsheet. Most teams get them wrong.
Your spreadsheet doesn't talk to Slack, Teams, Google Calendar, or anything else. Every piece of information has to be manually entered, duplicated, and communicated separately.
Employees can't check their own balance, submit requests, or see team availability. They have to ask a manager, who has to open the spreadsheet, find the right tab, and respond.
At 5 people, a spreadsheet is manageable. At 15, it's a weekly chore. At 30+, it's a full-time job. And the bigger it gets, the more likely errors compound undetected.
Spreadsheets feel free because there's no subscription. But they cost you in time, errors, and frustration.
Per week on leave admin (for a 20-person team)
Of spreadsheets contain errors (KPMG audit data)
Annual cost of 3 hrs/week at £30/hr manager time
Offly costs £1.50/user/month. For a 20-person team, that's £360/year — vs the £4,800+ hidden cost of managing leave in spreadsheets.
How everyday tasks compare between a spreadsheet and a proper leave tracker.
Employee checks their balance
Request leave
Detect team clash
Calculate pro-rata (new starter)
Year-end carry-over
See who's off today
If 3 or more of these apply, you've already outgrown your spreadsheet.
Offly is free for up to 5 users. Add your team, set allowances, and let software handle the rest. No more broken formulas.