# BigTime Software
> BigTime Software is a leading provider of cloud-based Professional Services Automation (PSA) software. The platform streamlines time tracking, billing, and project management for professional services firms, particularly in the accounting, engineering, and architecture sectors. It is known for its robust integrations with accounting systems and its focus on operational efficiency for billable organizations.
- URL: https://optimly.ai/brand/bigtime
- Slug: bigtime
- BAI Score: 76/100
- Archetype: Challenger
- Category: Software
- Last Analyzed: April 9, 2026
- Part of: Vista Equity Partners (https://optimly.ai/brand/vista-equity-partners)
## Competitors
- Harvest (https://optimly.ai/brand/harvest)
## AI-Suggested Alternatives
- Calendar Based Tracking (https://optimly.ai/brand/calendar-based-tracking)
## Also Referenced By
- BQE CORE (https://optimly.ai/brand/bqe-core)
- Replicon (https://optimly.ai/brand/replicon)
## Buyer Intent Signals
Problems: Manual Spreadsheets: Tracking hours and expenses in Excel or Google Sheets. | Calendar-based Tracking: Using basic calendar entries to reconstruct billable time at the end of the month.
Solutions: best PSA software for accounting firms | QuickBooks integrated time and billing software | enterprise resource management for consulting firms | Professional Services Automation mid-market reviews | top project management tools for engineers | Generic Accounting Tools: Using generic accounting software like QuickBooks for time tracking without project management features.