Billables AI
Billables AI captures billable time automatically as attorneys work and turns it into time entries for review.
ZERO Systems
Productivity automation for law firms
Billables AI vs ZERO Systems
At a Glance
| Detail | Billables AI | ZERO Systems |
|---|---|---|
| Category | Practice Mgmt | Practice Mgmt |
| Total raised | $14.1M | $12M |
| Rounds tracked | 2 | 1 |
| Latest round | Series A, $10.2M · Jun 2026 | Series A, $12M · Mar 2022 |
| Last valuation | Not disclosed | Not disclosed |
| Lead investors | Avenue Growth Partners, Wing VC | Streamlined Ventures |
| Built for | Large firms, Mid-size firms | Not disclosed |
| Headquarters | United States | United States |
Funding, Side by Side
Billables AI rounds
- Jun 2026Series A$10.2M
- Oct 2024Seed$3.9M
ZERO Systems rounds
- Mar 2022Series A$12M
Our Take
We have not tested these two head to head yet. The numbers above come from public funding announcements. If you use either one, tell us what you found and it may become a Field Note.
Quick Answers
- Which has raised more, Billables AI or ZERO Systems?
- Billables AI has raised $14.1M in disclosed funding, compared with $12M for ZERO Systems.
- Do Billables AI and ZERO Systems share investors?
- No. None of the investors we track have backed both companies.
- What is Billables AI best for?
- Billables AI captures billable time automatically as attorneys work and turns it into time entries for review.
- What is ZERO Systems best for?
- Productivity automation for law firms.
Source: Legal Tech Circle funding data, from public announcements. Updated November 10, 2026.