#1 Rated Time and Billing Software for Accountants

Over $2 Billion billed with BigTime last year.


True Partners Case

How 200+ tax accountants and lawyers at True Partners, a tax and advisory services firm, use BigTime Time and Billing to power and focus their workflow.

Stewart Mueller Photo Stewart Mueller CPA, Principal & Owner, CHB ADVISORS PC

“The fact that the software is industry-specific is helpful because of the flexibility it gives us. We not only can use BigTime for our firm, but for client firms as well. It’s made our office — and our clients’ businesses — run smoother, faster and more efficiently, saving both time and money.“

Brian Gilmartin Photo Brian Gilmartin Director of Finance, TPC

“With up to 500 engagements open at any time, we needed a faster and more intuitive way to handle our time and billing. The ease and speed of BigTime’s workflow allowed us to increase productivity, better capture billable hours — and sync to QuickBooks with a single click.“


Accountant Time Billing and Engagement Tracking Dashboards.

The #1 rated time and billing software for accountants and tax professionals using Quickbooks. In addition to the industry-specific lexicon, accounting and tax professionals can use the software for engagement tracking as well as sync updates across QuickBooks, BigTime IQ, and Lacerte® – all from one sleek, easy-to-use interface.

BigTime IQ's Accounting Dashboards

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BigTime IQ's Accounting Reports Center

Reports and analytics

BigTime IQ is equipped with robust reporting and analytics capabilities to keep you informed in real-time. Accountants can select from an array of pre-installed, customizable report templates, or create them from scratch. Reports can be exported to Excel or PDF, or access our API in order to expand reporting options however you need.

Flexible invoicing.

BigTime invoicing offers flexible rate structures that are tailored to each client. BigTime IQ allows you to bill time and expenses or retainers, or manually create your own customized invoice. Generate one invoice at a time or create and edit them in bulk, as the software guides you through each invoicing phase from drafting to payment and posting to QuickBooks, and everything in between. .

BigTime IQ's Accounting Invoicing Detail

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BigTime IQ's Accounting Workflow Detail

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Workflow management

BigTime IQ improves workflow by simplifying creating accounts, managing staff capacity and efficiency, tracking outside expenses and consultants, and drawing all of that data into invoices when you’re ready to bill. This practice management software is equipped with advanced reporting capabilities, budget tracking, and engagement management while simultaneously integrating with QuickBooks and Lacerte®

Take it for a 14-day test drive.

Try BigTime IQ’s full feature set for 14 days, risk-free. You can upgrade, downgrade or cancel your subscription any time.