Proof (formerly Notarize) vs Nexsys ClearSign
Side-by-side from the Top 11 ranking of Proof vs BlueNotary vs OneNotary: 11 Best Online Notary Software Platforms 2026. Last verified July 22, 2026.
The short answer
Proof (formerly Notarize) ranks higher on Top 11 (#1 vs #10) for Title companies, law firms, lenders, and businesses choosing a platform to notarize documents remotely and online. Best on-demand network with the deepest identity proofing.
At a glance
| Proof (formerly Notarize) | Nexsys ClearSign | |
|---|---|---|
| Top 11 rank | #1 / Proof vs BlueNotary vs OneNotary: 11 Best Online Notary Software Platforms 2026 | #10 / Proof vs BlueNotary vs OneNotary: 11 Best Online Notary Software Platforms 2026 |
| Score (out of 9.4) | 9 | 7.5 |
| Best for | On-demand RON at enterprise scale | RON wired into mortgage origination |
| Pricing | $$ (from around $25 per notarization; enterprise custom) | $$$ (enterprise, per-closing / custom) |
| HQ | Boston, USA | Farmington Hills, USA |
| Founded | 2015 | 2001 |
Proof (formerly Notarize)
Best on-demand network with the deepest identity proofing.
www.proof.comSee full entry in Proof vs BlueNotary vs OneNotary: 11 Best Online Notary Software Platforms 2026
Nexsys ClearSign
Best RON integrated with the mortgage stack.
www.nexsystech.comSee full entry in Proof vs BlueNotary vs OneNotary: 11 Best Online Notary Software Platforms 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.