Stop Re-Typing Invoices Into QuickBooks
Generate accurate invoices straight from QuickBooks data — hourly, milestone, or T&M — without reconciliation chaos.
Trusted by more than 3,000 professional services organizations
Built for How Project-Based Firms Actually Track Time
Automated Invoice Generation
Turn approved time and expenses into invoices without manual entry.
Flexible Billing Models
Support hourly, T&M, milestone, and blended rate structures.
Bi-Directional QuickBooks Sync
Invoices, payments, and rates stay aligned across both systems.
Faster Cash Collection
Reduce DSO with billing that reflects real project status.
Real Outcomes From Teams Like Yours
67%
Reduction in reporting sheets
50%
Reduction in billing process time
30 Days
Improvement in average invoice turnaround time
$50K
In annual recovered revenue
25%
Increase in profitability
Everything You Need to Bill Projects on QuickBooks
Trade manual invoice edits and reconciliation for billing that’s accurate the first time.
Automated invoice generation
Convert approved time and expenses into invoices without manual entry.
Accurate work order billing
Align invoices with contract terms, work orders, or NTE limits.
Flexible billing rates
Bill hourly, T&M, milestone, and blended structures accurately.
Bi-directional QuickBooks sync
Invoices and payments stay aligned with your general ledger, automatically.
WIP-to-invoice control
See unbilled work in real time, before it becomes a write-off.
Multi-currency billing
Bill international clients without manual currency conversion.
Reduced admin lift
Replace manual invoice edits with a centralized, automated system.
Board-ready reporting
Back every billing decision with real-time financial data.
Basic Invoicing Tools Can Work – Until Complexity Increases
If your team spends more time chasing approvals, fixing invoice errors, or exporting data to accounting than getting paid, it may be time for a system built around financial control – not just invoices.
| | | |
| Billing & Invoicing | Automates hourly, milestone, and T&M billing with built-in WIP control. | Handle basic hourly billing, but require manual edits for complex contracts. |
| Accounting Integration | Bi-directional integration with QuickBooks and Sage for accurate financial alignment. | Often rely on manual exports or limited accounting sync. |
| Cash Flow Visibility | Real-time visibility into WIP, DSO, and invoice status across every client. | Basic reports focused on invoices sent and paid. |
| Implementation & Scalability | Deploys in weeks with guided onboarding and a clear time-to-value path. | Quick to launch for basic needs, but hard to scale as billing grows more complex. |
Recognized by Leading Firms for Financial Precision
How Priority Designs Recovered $50K in Annual Revenue with BigTime Delivery
“[Prior to BigTime] I was spending so much time in the weeds trying to make sure that each project ran successfully, but I didn’t have time to actually do CFO things. PMs didn’t feel like they had the ability to be good project managers because they weren’t comfortable with the information they were getting.”
in recaptured productivity
in recovered invoices
Todd Henson
CFO
How HPE Increased Cash Flow While Reducing Reconciliation Time and Effort
“I spend less of my time making sure that everything is correct in the books and going to the CPA. That’s an increase in revenue because it’s a decrease in my time spent on admin—I’m able to take on more work because I don’t have to spend my time reconciling payments.”
saved moving data to QuickBooks
in staff utilization
Jen Henderson
President
How Patomak Global Partners Accelerated Invoicing With Easy-to-Use Time & Expense Tracking
“With BigTime, I’ve been able to go from spending 100% to 75% of my time on accounts receivable. Now I can spend 25% on billable [tasks]. It allows our company to make more billable use out of an employee like me.”
improvement in average invoice turnaround
decrease in manual time spent invoicing
Nic Bewley
Senior Analyst & Billing Operations
Frequently Asked Questions
Does BigTime’s QuickBooks invoicing sync run both ways, or just push invoices out?
Yes, both ways. Unlike one-way integrations that only send invoices out, BigTime keeps invoices, payments, and project data aligned in both systems — no reconciliation drift.
Does BigTime work with QuickBooks Online, Desktop, and Enterprise?
Yes. BigTime connects natively to all three, so your invoicing setup doesn’t have to change with your QuickBooks version.
Can BigTime bill on milestone, T&M, fixed-fee, and retainer models in one system?
Yes. Invoices can reflect any billing model your engagements use, without separate workarounds for each.
Does approved time and expense flow into the invoice automatically?
Yes. Approved entries convert directly into invoice line items — no manual re-entry between tracking and billing.
Can I invoice clients in multiple currencies?
Yes. BigTime supports multi-currency billing for firms with international clients.
Does client payment status sync back to QuickBooks?
Yes. When a client pays, that status updates in QuickBooks automatically, so your books reflect real-time A/R.
Bill It.
Sync It.
Done.
From quoting to cash flow — one connected system to bill faster and grow with confidence.