Antidote
Antidote is AI billing compliance software that checks and corrects law firm time entries against client billing guidelines.
ZERO Systems
Productivity automation for law firms
Antidote vs ZERO Systems
At a Glance
| Detail | Antidote | ZERO Systems |
|---|---|---|
| Category | Practice Mgmt | Practice Mgmt |
| Total raised | $5M | $12M |
| Rounds tracked | 1 | 1 |
| Latest round | Seed, $5M · Jan 2026 | Series A, $12M · Mar 2022 |
| Last valuation | Not disclosed | Not disclosed |
| Lead investors | Lakestar | Streamlined Ventures |
| Built for | Large firms | Not disclosed |
| Headquarters | United Kingdom | United States |
Funding, Side by Side
Antidote rounds
- Jan 2026Seed$5M
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, Antidote or ZERO Systems?
- ZERO Systems has raised $12M in disclosed funding, compared with $5M for Antidote.
- Do Antidote and ZERO Systems share investors?
- No. None of the investors we track have backed both companies.
- What is Antidote best for?
- Antidote is AI billing compliance software that checks and corrects law firm time entries against client billing guidelines.
- What is ZERO Systems best for?
- Productivity automation for law firms.
Source: Legal Tech Circle funding data, from public announcements. Updated November 10, 2026.