Signaturit is an excellent qualified trust service provider (QTSP) specialised in electronic signature and identity. If you are looking for a Signaturit alternative where eIDAS signature is a native step inside the process —with BPM, document management, OCR and AEAT on the same platform— Dokuflex embeds the signature in the flow instead of leaving it as a tool you have to plug in.
Signaturit is a qualified trust service provider (QTSP) headquartered in Barcelona, a pure specialist in electronic signature across its three levels (simple, advanced and qualified), biometric signature, digital identity and onboarding (KYC), certified delivery and notification, and qualified certificates. Its approach is API-first: designed to embed the signature and trust services inside third-party systems. It is an excellent tool when that is exactly what you need.
The question is not "who signs better", but where the signature lives. With a specialist QTSP, the signature is a service you integrate into your own application and that coexists with the rest of the process pieces —document management, OCR, archiving, AEAT obligations— which you have to solve separately. In many B2B projects, that custom integration is precisely the cost and risk you want to avoid.
Dokuflex reframes the problem: eIDAS electronic signature is a native step inside a BPMN 2.0 process, alongside document management, OCR/IDP, AEAT-certified digitization (VERI*FACTU) and Iberian ERP connectors. Graphometric biometric signature is advanced signature (AES) with encrypted evidence for forensic analysis, and qualified signature (QES) is reached by integrating qualified trust service providers. All in one platform, with data in the EU. You can dig deeper into Dokuflex's electronic signature and biometric signature.
A functional and honest comparison: Signaturit is a strong QTSP in signature and identity; Dokuflex embeds eIDAS signature inside an end-to-end process.
| Feature | Signaturit | Dokuflex |
|---|---|---|
| Nature of the product | QTSP specialised in electronic signature and trust services | Low-code BPM platform with eIDAS signature embedded in the process |
| eIDAS signature levels (SES/AES/QES) | All three levels as its own qualified provider (QTSP) | Native SES and AES; QES via qualified trust service providers |
| Graphometric biometric signature | Yes, biometric signature within its suite | Yes, as AES (Art. 26 eIDAS) with encrypted evidence (pressure, speed, stroke) for forensic analysis |
| Identity and onboarding (KYC) | Yes, digital identity and onboarding/KYC as a specialised service | Identification via OTP, certificate (DNIe, FNMT, Cl@ve) and document validation within the flow |
| Certified delivery and notification | Yes, certified delivery/notification as a product | Notifications and evidence within the process; certified delivery via provider |
| BPMN 2.0 process orchestration | Not its focus; it integrates into your system's process | Standard BPMN 2.0 + business rules engine + forms |
| Document management and archiving | Not its focus (specialist in trust/signature) | Document management, indexing and archiving of the signed document on the same platform |
| OCR/IDP + AEAT digitization + VERI*FACTU | Not available (requires third parties) | Native OCR/IDP + AEAT-certified digitization and VERI*FACTU submission |
| Iberian ERP connectors | Via API; integration is the customer's responsibility | Native connectors to Sage, Holded, A3 by Wolters Kluwer and Meta4 |
| Model | Signature as a service / API for your own system | Signature included as a native step of the end-to-end process |
| Hosted data | European Union (Spanish provider, Barcelona) | European Union, GDPR-compliant |
Trademarks belong to their respective owners. Public data consulted in July 2026.
Six reasons why companies with complex document processes prefer Dokuflex's embedded signature over a standalone signature engine.
With a QTSP, the signature is a service you integrate separately. In Dokuflex, eIDAS signature is a task inside the BPMN 2.0 process: the document is generated, signed, archived and processed without leaving the platform or coding the integration.
Graphometric biometric signature is advanced signature (AES, Art. 26 eIDAS) with encrypted evidence of pressure, speed, acceleration and stroke, suitable for forensic expert analysis. It comes with a PDF/A audit report featuring XAdES and time stamping.
Biometric signature, OTP by SMS, digital certificate (DNIe, FNMT, Cl@ve) and qualified signature (QES) via qualified trust service provider. You choose the level based on the transaction, all under eIDAS (EU 910/2014) and Law 6/2020.
The signed document does not hang in limbo: it is archived and indexed in document management, with OCR/IDP to extract data and AEAT-certified digitization and VERI*FACTU when applicable. Pieces that with a signature engine you have to solve separately.
Native connectors to Sage, Holded, A3 by Wolters Kluwer and Meta4, plus AI agents orchestrated inside the process. The signature stops being a silo and becomes a link connected to your ERP and your data.
Compliance with the eIDAS Regulation (EU 910/2014) and Law 6/2020, an audit report with XAdES and time stamping, and data hosted in the European Union under the GDPR. Data location does not force you to give up integration.
Signaturit is an excellent qualified trust service provider (QTSP) and there are scenarios in which it is, clearly, the right choice. If you need a specialised QTSP and want qualified signature, identity/KYC or certified delivery and notification as a standalone product —exposed via API to embed it in your own system— the depth of a pure trust-services specialist is hard to match. When the provider's native qualified signature is an explicit contractual or regulatory requirement, leaning on a QTSP makes complete sense.
Signaturit is also the right fit when you already have your process platform —your own document management, your ERP, your back office— and all you lack is the signature and identity engine to connect via API. In that case you don't need a full BPM platform: deploying Dokuflex would be over-engineering. Dokuflex fits when you want the signature to be a native step inside an end-to-end automated process, with document management, OCR, AEAT/VERI*FACTU and ERP connectors on the same platform, instead of integrating a separate signature tool.
A scoped onboarding to bring your signature flows into an end-to-end BPMN process, while still leveraging what you already have.
We inventory your use cases: what gets signed, with which eIDAS level, who identifies the signer and what legal evidence you need. We prioritise the most critical flows.
Each case is modelled as a BPMN 2.0 process: the signature (biometric, OTP, certificate or QES via provider) is placed as a task, with business rules, archiving and audit trail.
We link the flow with your Iberian ERP, document management, OCR/IDP and AEAT/VERI*FACTU-certified digitization, so the signed document stays connected end-to-end.
Controlled rollout with the XAdES audit report and time stamping activated, team training and a plan to bring the remaining flows over by priority.
No. Signaturit is a qualified trust service provider (QTSP) under eIDAS, and that is its home turf. Dokuflex is not a QTSP in its own right: it offers its own advanced electronic signature (AES) through graphometric biometric signature, OTP by SMS and digital certificate, and reaches qualified signature (QES) by integrating qualified trust service providers. In other words, Dokuflex delivers the advanced level natively and the qualified level through an accredited provider, all within the same process.
Yes. Signaturit takes an API-first approach designed to embed the signature and trust services into third-party systems. Dokuflex also exposes an API and webhooks to invoke the signature, but its proposition is different: the signature is not a loose piece you integrate into your application, but a native step inside a BPMN 2.0 process with document management, OCR, business rules and audit trail. If your goal is to orchestrate the full end-to-end process, the signature already comes built in.
Yes. Dokuflex's graphometric biometric signature is an advanced electronic signature (AES) compliant with Article 26 of the eIDAS Regulation (EU 910/2014) and with Spain's Law 6/2020. It captures encrypted graphometric evidence —pressure, speed, acceleration and stroke— usable in forensic expert analysis, and generates a PDF/A audit report with XAdES signature and time stamping. For the highest evidentiary level, qualified signature (QES) is obtained through qualified trust service providers.
Signaturit specialises in electronic signature, digital identity, onboarding (KYC), certified delivery and qualified certificates as trust services. Full document management, OCR/IDP, AEAT-certified digitization and VERI*FACTU are not its focus. Dokuflex builds those capabilities natively into the same platform, alongside eIDAS signature, so the signed document is archived, indexed and processed without leaving the process.
Signaturit is an excellent choice when you need a specialised qualified provider (QTSP) and want qualified signature, identity/KYC or certified delivery as a standalone product via API for your own system, or when you already have your process platform and only lack the signature engine. Dokuflex fits better when you want eIDAS signature as a native step inside an end-to-end automated process, with document management, OCR, AEAT/VERI*FACTU and ERP connectors on the same platform, without integrating a separate signature tool.
In both cases the data resides in the European Union. Signaturit, as a Spanish provider (Barcelona), keeps data in the EU, and Dokuflex also hosts in data centres located in the EU in compliance with the GDPR (EU 2016/679), with encryption in transit and at rest, per-tenant segregation and audit logging. Data location is not a differentiating factor between the two: the difference is whether the signature lives inside the process or as a separate service.
A 30-minute guided demo on your real signature use cases. No commitment, in Spanish or English, with a Dokuflex engineer.