# Legal AI: the tools companies use

659 companies on usedby use at least one of the 15 tools in this category with a public customer. Harvey leads with 235 companies. Counts are of companies on usedby, not of the whole market. Latest check 2026-10-08: 653 of 688 public lines checked.

> AI for legal research, contract drafting and review, and law firm casework.

Family: [Legal & HR](https://www.usedby.ai/tools/category/legal-hr.md)

## Ranking

Public customers count every public line, job-post signals included; ties share a rank.

| Rank | Tool | Public customers | Confirmed | Observed | Signals |
|---|---|---|---|---|---|
| 1 | [Harvey](https://www.usedby.ai/tools/harvey.md) | 235 | 21 | 214 | 0 |
| 2 | [Legora](https://www.usedby.ai/tools/legora.md) | 116 | 29 | 87 | 0 |
| 3 | [Ironclad](https://www.usedby.ai/tools/ironclad.md) | 58 | 33 | 19 | 6 |
| 4 | [LegalOn](https://www.usedby.ai/tools/legalon.md) | 40 | 13 | 27 | 0 |
| 5 | [SpotDraft](https://www.usedby.ai/tools/spotdraft.md) | 35 | 24 | 11 | 0 |
| 6 | [Luminance](https://www.usedby.ai/tools/luminance.md) | 29 | 19 | 9 | 1 |
| 7 | [Spellbook](https://www.usedby.ai/tools/spellbook.md) | 27 | 13 | 14 | 0 |
| 8 | [Ivo](https://www.usedby.ai/tools/ivo.md) | 25 | 14 | 11 | 0 |
| 9 | [Sirion](https://www.usedby.ai/tools/sirion.md) | 24 | 11 | 13 | 0 |
| 9 | [Supio](https://www.usedby.ai/tools/supio.md) | 24 | 19 | 5 | 0 |
| 11 | [EvenUp](https://www.usedby.ai/tools/evenup.md) | 21 | 21 | 0 | 0 |
| 12 | [Eudia](https://www.usedby.ai/tools/eudia.md) | 16 | 4 | 12 | 0 |
| 13 | [Filevine](https://www.usedby.ai/tools/filevine.md) | 15 | 8 | 7 | 0 |
| 14 | [Eve](https://www.usedby.ai/tools/eve.md) | 14 | 14 | 0 | 0 |
| 15 | [DeepJudge](https://www.usedby.ai/tools/deepjudge.md) | 9 | 7 | 2 | 0 |

---
Source: https://www.usedby.ai/tools/category/legal-compliance-ai · How we check: https://www.usedby.ai/methodology