# Ironclad vs Luminance: who uses which

On usedby, 58 companies use Ironclad and 29 use Luminance. No company is listed with both yet. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side. Latest check 2026-10-07: 82 of 87 public lines checked.

## Side by side

|  | [Ironclad](https://www.usedby.ai/tools/ironclad.md) | [Luminance](https://www.usedby.ai/tools/luminance.md) |
|---|---|---|
| Public customers | 58 | 29 |
| Confirmed | 33 | 19 |
| Observed | 19 | 9 |
| Signals (job posts) | 6 | 1 |
| Top industries of customers | DevTools & Infrastructure (7), Sales Tech & CRM (5), Media & Publishing (4) | IT Services & System Integration (2), Manufacturing (2), Automotive Manufacturing (1) |
| Category | Legal AI | Legal AI |
| Data processing terms | A data processing agreement is available. ([ironcladapp.com](https://ironcladapp.com/security), checked 2026-10-03) | A data processing agreement is available. ([luminance.com](https://www.luminance.com/legal), checked 2026-10-07) |
| Security | — | SOC 2 Type II ([luminance.com](https://www.luminance.com/security), checked 2026-10-07) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Ironclad: [Vinted](https://www.usedby.ai/case-studies/vinted-ironclad.md): **120 users**: “120 users across 12 workflows” (published 2025-09-23)
- Ironclad: [Vontier](https://www.usedby.ai/case-studies/vontier-ironclad.md): **3-5 days**: “Now for complex agreements, “It’s more like 3-5 days.”” (published 2026-01-05)
- Luminance: [ProSapient](https://www.usedby.ai/case-studies/prosapient-luminance.md): **40%**: “40% time-savings on administrative tasks per week” (captured by usedby 2026-10-07)
- Luminance: [LG Chem](https://www.usedby.ai/case-studies/lg-chem-luminance.md): **over 30%**: “reduced the time spent on reviews by over 30% per contract” (captured by usedby 2026-10-07)

---
Source: https://www.usedby.ai/compare/ironclad-vs-luminance · How we check: https://www.usedby.ai/methodology