How do I track billable hours and tie them to my financials?
The simplest approach is to track time inside your accounting software so everything stays connected. QuickBooks Online has built-in time tracking that lets you log hours by customer and service type, then convert those hours directly into invoices. Your financial statements reflect your billable work without you having to move data between systems or reconcile spreadsheets against your books.
The most common problem is tracking time in one place and doing your books in another. You log hours in a spreadsheet or an app like Toggl or Harvest, then manually create invoices in QuickBooks, and hope everything matches. It usually doesn’t. Hours slip through the cracks, invoices go out late or short, and you have no reliable picture of how much unbilled time is sitting out there costing you money.
Set up each client or project in your accounting software before you start logging time. Every hour you track should be tied to a specific customer and a specific service item with a billing rate attached. When it’s time to invoice, you pull directly from tracked hours rather than trying to reconstruct what you did three weeks ago. This also means your revenue reports break down naturally by client and service type, which shows you exactly where your time is generating money and where it isn’t.
Review unbilled time weekly. This is where professional services businesses leak the most revenue. If you wait until the end of the month to check what hasn’t been invoiced, you’ll find hours you forgot to log and time entries without enough detail to bill confidently. A weekly review keeps everything current and gets invoices out faster, which directly improves your cash flow.
Beyond invoicing, tying hours to your financials lets you measure utilization. That’s the percentage of available hours that are actually billable. If your team works 40 hours a week but only bills 25, your utilization is around 63%. Knowing this number helps you set realistic revenue targets, understand your true capacity, and spot where non-billable administrative work is eating into profitability.
If your current setup has time tracking disconnected from your books, it’s worth getting that fixed sooner rather than later. Our bookkeeping services in Jacksonville FL include configuring QuickBooks Online so time entries, invoices, and financial reports all talk to each other. The goal is a system where you log your hours, bill your clients, and see accurate financials without any extra steps in between.
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