Legora vs Sirion: who uses which
Customers, public proof and the companies that use both.
On usedby, 116 companies use Legora and 24 use Sirion. 1 company uses both, including Galp. Legora leads among the Legal & Compliance companies on usedby that use either tool.Latest check Oct 8, 2026: 140 of 140 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 Legora, Sirion, or both
Every company with a public proof for at least one of the two tools.
115
use only Legora
1
company uses both
23
use only Sirion
115 companies use only Legora, 23 use only Sirion and 1 uses both, out of the 139 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 8, 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.
| Company |
|---|
 Galp |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Legora, Sirion or both: a share of the companies on usedby, not of the market.
Legora onlyBothSirion only
More common with Legora
- Legal & Compliance45 of the 45 Legal & Compliance companies on usedby that use either tool use Legora.
Source: confirmed and observed usedby lines. Job-post signals, the weakest proof level, are left out of these shares.
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Legora
SirionPricing, security and data residency are not checked yet. usedby adds them from each vendor's public pages, with the date of the check.
What customers report
Results as the vendor or the customer published them, with the source and the date.
Legora
All 300+ employees, including lawyers at all levels, specializations, and business support, will gain access to the tool.
Lindahl
Vendor case study, legora.com, captured Oct 8, 2026
Within two months, Borenius' legal team has leveraged Leya for over 10,000 inquiries
Borenius
Vendor case study, legora.com, captured Oct 8, 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 Legora and Sirion
Which is used more, Legora or Sirion?
Legora has more customers on usedby: 116 against 24 for Sirion.
Do companies use both Legora and Sirion?
Yes. 1 company uses both on usedby, including Galp.
Who uses Legora?
116 companies on usedby, each with the public page that shows it. See who uses Legora.
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.