Most NZ roofing businesses start with spreadsheets. They're free, they're flexible, and for one or two crew running a handful of jobs at a time they're fine. The problem is that spreadsheets don't grow with you. They get patched, they get duplicated, they sit on someone's laptop instead of in the cloud, and at some point you realise you're spending more time managing the spreadsheet than running the jobs. Here's how to tell when you've hit that point.
You're rebuilding the same spreadsheet every quarter
Every roofing business has the spreadsheet that was great when it was built and is now held together by formulas no one remembers writing. If you're rebuilding the master tracker twice a year because tabs keep breaking, the cost isn't the spreadsheet — it's the day or two of admin time every time you do it.
The crew aren't filling anything in
If you're still chasing timesheets on a Friday night, your spreadsheet has failed. Crew on the tools won't open Excel on their phones, won't tab between sheets, and won't get it right consistently. The minute timesheets are sitting in someone else's laptop instead of getting filled in by the person who did the work, your numbers stop being accurate. A mobile app the crew actually uses is the only thing that fixes this properly.
Variations are getting forgotten
Variations are the highest-margin work on any re-roof, and they're the first thing that goes missing in a spreadsheet workflow. A scope change recorded on a notepad in the ute doesn't make it to the office. The office doesn't bill for it. Multiply that by three or four jobs and you've quietly given away a week's profit.
You can't tell which jobs are making money
Spreadsheets are great at totalling numbers and bad at relating them to anything. Tracking actuals against estimates per job stage — labour, materials, expenses, variations — needs each cost tagged at the source. Most spreadsheet setups can't do that, so you find out at year-end which jobs went south. By which point there's nothing to fix. Back-costing reports in a job management system show this as the work happens.
The office is doing double entry every Friday
If invoices, supplier bills, timesheets and contacts all need to be retyped from one system to another (or from paper to Xero), the spreadsheet is creating work, not saving it. Time spent re-entering data is time not spent quoting the next job.
You're losing sleep over jobs you can't see
The clearest sign you've outgrown spreadsheets is when you go to bed wondering how a job's tracking and you can't actually find out without ringing someone. A job management system has the answer on a phone screen — actuals, photos, hours, schedule — without anyone needing to assemble it.
What changes when you switch
Job management software for roofers (and we'd say NextMinute here, though there are others) bundles the lot: quoting, scheduling, mobile timesheets, back-costing, variations, invoicing, and two-way integration with Xero, MYOB or QuickBooks. The office and the crew on the roof are working off the same job record, in real time. That doesn't sound like much, but it changes everything about how the business runs day-to-day.
The other thing that changes is that the owner stops being the bottleneck. When everything lives in spreadsheets, the owner has to be involved in everything. When the data lives in a system the whole team uses, the team can run jobs without three phone calls back to the office every morning.
When to switch
Most roofing businesses we talk to switch when they're running three or more crew, have more than a couple of jobs going at once, and start seeing the patterns above three or four times a month. If that sounds like you, the spreadsheet's done its job. Time to put it on the shelf.
Have a look at a free trial and see if it fits how you actually run jobs.
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