Track Time and Expenses.
Invoice Faster.
Keep Project Accounting Clean.
Capture every billable hour and project expense, push them straight into invoices, and your general ledger – all in one platform.
Here's Why Dozens of Companies Have Chosen BigTime
Effortless Time & Expense Capture
Log billable hours and expenses in seconds, on any device.
Project Accounting Built In
Every hour and dollar lands on the right project, in real time.
Invoices Generated, Not Rebuilt
Turn approved time and expenses into client-ready invoices.
Direct Sync to Your GL
Two-way sync with QuickBooks, Sage Intacct, and Xero.
Powering 3,000+ US Professional Services Firms
From CPA firms to engineering teams and consulting practices, organizations rely on BigTime to track time and expenses, generate invoices, and close projects with clean accounting.
“BigTime was a great solution because we were able to do the project management, the invoicing, the timecard — everything all in one place.”
+26%
increase in revenue
Leslie Pink Morgan
COO, Isaman Design Inc
“BigTime empowers our managers to get the data in real time and use it to make decisions on projects.”
-50%
invoicing time
Kyle MacDonald
CFO, Aegis Project Controls
“BigTime is literally the DNA of our professional services organization.”
+66%
increase in productivity
Richard Sides
CEO, Adroit North America
Everything You Need to Track Time, Bill Clients, and Close the Books
BigTime turns timesheets into accurate invoices and project accounting data – without the manual work.
Advanced time tracking
Auto-fill timesheets, mobile entry, and smart lookup save hours.
Billable Hours Tracking
Capture every billable hour against the right client, project, and rate.
Expense Management
Snap receipts, categorize on the go, and route through approvals.
Flexible Rate Cards
Apply hourly, fixed-fee, milestone, or T&M rates – no manual edits.
Automated Invoicing
Generate accurate invoices from approved time and expenses in seconds.
Project Accounting Visibility
See budget vs. actual, WIP, and margin by project, live.
Approvals & Workflows
Multi-level approvals for time, expenses, and invoices.
QuickBooks & Sage Sync
Two-way integration keeps your books and projects aligned.
Built for Firms Where Time Is Revenue
BigTime adapts to how consulting, engineering, accounting, and agency teams track work, bill clients, and protect margins.
- Track billable hours by engagement and consultant
- Bill hourly, by milestone, T&M, or hybrid
- Real-time project budget and margin visibility
- Invoice in minutes from approved time
- Track time by phase, task, and discipline
- Manage blended rates and labor costs
- Connect time tracking to project profitability
- Generate compliant client invoices
- Track time by client, engagement, and service line
- Manage partner vs. staff rates
- Sync directly with QuickBooks Online, Desktop, and Sage Intacct
- Invoice clients without leaving your project system
Time Tracking + Invoicing + Accounting
Shouldn't Mean Three Tools
If your team logs hours in one tool, exports them into another to invoice, then retypes everything into accounting – you're paying for that gap in revenue leakage and admin time.
 |  | |
| Time & Expense Capture | Integrated time, expense, mileage, and receipt capture with project-level visibility. | Track hours; expenses live in a separate tool. |
| Billable Hours | Built-in approvals, rate cards, and WIP control before time hits an invoice. | Logs hours, but billing logic and approvals happen elsewhere. |
| Invoicing | Auto-generate invoices from approved time and expenses, with online payment options. | Export to a billing tool, then reformat manually. |
| Project Accounting | Real-time budget vs. actual, margin, and WIP by project, phase, or client. | Reports stop at hours and dollars billed. |
| Accounting Sync | Two-way sync with QuickBooks Desktop, Online, Sage Intacct, and Xero. | One-way exports or no integration. |
A Single Platform For Your Full Time-to-Cash Lifecycle
From the first hour logged to the final payment received, BigTime keeps every stage connected.
Connected Financial Visibility – From Quote to Cash
When time and expenses are this clean, the rest of the firm runs better. BigTime keeps delivery, billing, and accounting aligned at every stage.
Resource Management
Plan capacity with confidence. Match the right people to the right work and forecast utilization in real time.
Scoping & Quoting
Build proposals that reflect actual delivery costs and convert directly into project plans.
Reporting & Analytics
Unify project, time, expense, and payment data on one platform for stronger financial decisions.
Works With the Tools You Already Use
BigTime connects with QuickBooks Desktop and Online, Sage Intacct, Xero, Salesforce, HubSpot, Lacerte, and more – plus a full API for everything else.
Recognized by Leading Firms for Financial Precision
How Aegis Accelerates Cash Flow With BigTime
“We get time card data onto an invoice, reviewed by managers, and out the door to a client in 50% less time than we did previously. We’re getting paid much faster than we were previously and our days sales outstanding dropped nearly six days entirely across the company due to these efficiencies being added.”
Decrease In invoicing time
Decrease In DSO
Kyle MacDonald
CFO
How Isaman Design Cut Hours From Invoicing Workflow
“BigTime was a great solution because we were able to do the project management, the invoicing, the timecard — everything all in one place.”
Reduction In invoicing time
Accelerated Payments
Leslie Pink Morgan
COO
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
