# Luminance vs Sirion: who uses which

On usedby, 29 companies use Luminance and 24 use Sirion. 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: 53 of 53 public lines checked.

## Side by side

|  | [Luminance](https://www.usedby.ai/tools/luminance.md) | [Sirion](https://www.usedby.ai/tools/sirion.md) |
|---|---|---|
| Public customers | 29 | 24 |
| Confirmed | 19 | 11 |
| Observed | 9 | 13 |
| Signals (job posts) | 1 | 0 |
| Top industries of customers | IT Services & System Integration (2), Manufacturing (2), Automotive Manufacturing (1) | Energy, Utilities & Cleantech (3), Biotech & Pharma (2), Aerospace & Defense (1) |
| Category | Legal AI | Legal AI |
| Security | SOC 2 Type II ([luminance.com](https://www.luminance.com/security), checked 2026-10-07) | — |
| Data processing terms | A data processing agreement is available. ([luminance.com](https://www.luminance.com/legal), checked 2026-10-07) | — |

## Published results

Reviewed stories only; usedby did not measure the figures.

- 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)
- Sirion: [DP World](https://www.usedby.ai/case-studies/dp-world-sirion.md): **~80%**: “DP World Cut Contract Cycle Time by ~80%” (published 2026-05-30)
- Sirion: [Zalando](https://www.usedby.ai/case-studies/zalando-sirion.md): **80,000+**: “80,000+ contracts ingested using AI-driven extraction, deduplication, and quality controls” (published 2026-05-31)

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