Luminance vs Sirion: who uses which
Customers, public proof and the companies that use both.
On usedby, 29 companies use Luminance and 24 use Sirion. No company is listed with both yet.Latest check Oct 7, 2026: 53 of 53 public lines checked. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side.
Who uses Luminance, Sirion, or both
Every company with a public proof for at least one of the two tools.
29
use only Luminance
0
companies use both
24
use only Sirion
29 companies use only Luminance, 24 use only Sirion and 0 use both, out of the 53 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 7, 2026.
Where it lands
Newest customers
No new customer since tracking started on October 7, 2026.
Who uses both
Companies with a confirmed or observed line on both tools.
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Luminance
SirionWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Luminance
40% time-savings on administrative tasks per week
ProSapient
Vendor case study, luminance.com, captured Oct 7, 2026
reduced the time spent on reviews by over 30% per contract
LG Chem
Vendor case study, luminance.com, captured Oct 7, 2026
Sirion
DP World Cut Contract Cycle Time by ~80%
DP World
Vendor case study, sirion.ai, published May 30, 2026
80,000+ contracts ingested using AI-driven extraction, deduplication, and quality controls
Zalando
Vendor case study, sirion.ai, published May 31, 2026
Questions about Luminance and Sirion
Which is used more, Luminance or Sirion?
Luminance has more customers on usedby: 29 against 24 for Sirion.
Do companies use both Luminance and Sirion?
usedby has not found a company with a confirmed or observed line on both Luminance and Sirion yet.
Who uses Luminance?
29 companies on usedby, each with the public page that shows it. See who uses Luminance.
Who uses Sirion?
24 companies on usedby, each with the public page that shows it. See who uses Sirion.
How does usedby count customers?
A company counts when a public page shows it: a vendor's customer page, a case study, a press release or a job post, most saved with a dated capture. Every line is a customer, at one of three proof levels: confirmed, observed or signal (a job post, the weakest). A company is named as using both tools when its lines on both are confirmed or observed.