How do I track billable hours and tie them to my financials?
The connection between time tracking and your financials happens through invoicing. You track time in a dedicated tool, use that data to create invoices, and those invoices get recorded as revenue in your accounting software. If any part of that chain breaks down, you either lose billable time or your books don’t reflect reality.
Start by picking a time tracking tool that fits how you work. Toggl, Harvest, and Clockify are popular options. Some integrate directly with QuickBooks Online, which reduces manual data entry. The specific tool matters less than the habit. If you or your team don’t log time consistently, nothing downstream will be accurate. Log hours daily, not at the end of the week from memory.
Every time entry should be tied to a specific client and, ideally, a specific project or engagement. Generic entries like “client work” without a client name are useless for billing and for understanding where your time actually goes. Build the discipline of tagging each entry with the client, project, and a brief description of what was done.
When it’s time to bill, your tracked hours become line items on an invoice. Most time tracking tools can generate invoice drafts or export data you can use to build invoices in QuickBooks Online. Once that invoice is sent and recorded in your accounting software, the revenue hits your books tied to that client. If managing invoicing and payment tracking feels like it’s falling through the cracks, that’s worth addressing because missed or delayed invoices mean your books are incomplete and your cash flow suffers.
In QuickBooks Online, use the Projects feature or class tracking to tie invoiced revenue to specific clients or engagements. This structure lets you pull reports showing revenue by client rather than just a lump total for the month. Without it, your profit and loss statement tells you how much you earned but not where it came from.
The real insight comes when you compare hours worked to revenue earned per client. Say you billed 40 hours to a client at $150/hour for $6,000 in revenue. But you actually spent 55 hours on that client because of scope creep and unbilled prep time. Your effective rate drops to $109/hour. You would never know that without connecting time tracking to your financials. This kind of analysis is what helps you adjust pricing, set better project scopes, and identify which clients are actually profitable.
Review this data monthly. Look for clients where you’re consistently spending more time than you’re billing. Look for projects that blew past estimates. A bookkeeper in Chandler who understands service businesses can help you set up the right reporting structure so these insights are visible in your financial statements every month, not buried in spreadsheets you never look at.
If you’re billing hourly, connecting your time tracking to your books isn’t a nice-to-have. It’s how you know whether your business is profitable or just busy.
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