Sirion vs CobbleStone Software
Side-by-side from the Top 11 ranking of The 11 Best Contract Lifecycle Management (CLM) Software. Last verified June 14, 2026.
The short answer
Sirion ranks higher on Top 11 (#8 vs #9) for Legal and procurement teams automating contract creation to renewal. Specializes in post-award management, excelling at tracking SLAs and supplier performance.
At a glance
| Sirion | CobbleStone Software | |
|---|---|---|
| Top 11 rank | #8 / The 11 Best Contract Lifecycle Management (CLM) Software | #9 / The 11 Best Contract Lifecycle Management (CLM) Software |
| Score (out of 9.4) | 7.7 | 7.5 |
| Best for | Post-award supplier contracts | Regulated industries |
| Pricing | $$$$$ ($100k to $500k+/yr) | $$$ ($20k to $120k+/yr) |
| HQ | Bellevue, USA | Lindenwold, USA |
| Founded | 2012 | 1995 |
Sirion
Specializes in post-award management, excelling at tracking SLAs and supplier performance.
www.sirion.comSee full entry in The 11 Best Contract Lifecycle Management (CLM) Software
CobbleStone Software
A long-standing, feature-deep choice for public sector and healthcare compliance needs.
www.cobblestonesoftware.comSee full entry in The 11 Best Contract Lifecycle Management (CLM) Software
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.