The role of the notary has, for centuries, served as a guarantor of legal certainty. Notaries act as public officers, conferring legal validity on contracts, wills, powers of attorney, conveyances, and other legal instruments. Their role is grounded in trust, impartiality, and truthfulness. However, until relatively recently, notarial activity was firmly rooted in an analogue environment: printed documents, handwritten signatures, and physical presence. This created not only a barrier to accessibility for many individuals but also a hindrance to efficiency in an increasingly digital world.
The shift towards digital notarial services began tentatively but has significantly accelerated in recent years, particularly following the COVID-19 pandemic. Lockdowns and mobility restrictions forced a rethinking of traditional procedures. It became clear that adapting the notarial service to digital tools was necessary—without compromising legal certainty.
One of the most significant milestones in this transformation was Law 11/2023, of 8 May, which amended the Notarial Act and other regulations to fully integrate notarial functions into the digital environment. This law allows, among other things, for certain notarial acts to be carried out remotely, using secure videoconferencing and digital certificates. In other words, individuals may now appear before a notary without physically being at the notary’s office.
The law requires the notary to be physically present at their office, but allows parties to appear remotely, provided they use valid and secure electronic identification methods, such as the Spanish electronic ID (DNIe) or other certified digital credentials. The videoconference—recorded and archived—becomes the vehicle through which consent is given and the parties’ intent is verified. This opens the door to a new, more accessible and streamlined model of interaction between notaries and users.
Additionally, new digital platforms have been developed, such as the Electronic Notarial Portal managed by the General Council of Notaries, enabling procedures such as requesting certified copies, consulting documents, or communicating with the notary electronically. Progress has also been made in ensuring interoperability between notarial offices and public registries, reducing time and costs in many procedures.
For companies—particularly startups and SMEs—this digitalization represents a genuine revolution. It is no longer necessary to travel in order to incorporate a company, notarize corporate resolutions, or grant powers of attorney. These steps can now, in certain cases, be completed entirely remotely, even from abroad. Time and cost savings are substantial, enhancing the competitiveness of the business sector.
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However, this progress does not come without challenges. First and foremost, digital notarial services must guarantee the same level of legal certainty as the traditional model. This means verifying the identity of the parties, their legal capacity and will, and ensuring that there is no coercion or impersonation. The technology used must be robust, encrypted, and auditable, and notaries must receive adequate training to operate in these new digital environments.
Another significant challenge is the digital divide. Not all citizens have access to suitable devices, internet connectivity, or the necessary digital literacy to carry out online procedures. It is therefore essential that digitalization does not exclude anyone and that in-person options remain available for those who need them. Inclusion must be a core priority of this transformation.
From a legal standpoint, questions also arise concerning the international validity of digital notarial acts. While a clear legal framework has been established within Spain, the recognition of these acts abroad may vary, depending on international treaties and foreign domestic laws. International legal cooperation will be key to ensuring the cross-border validity of digital notarial acts.
It is worth emphasizing that this digital transformation does not diminish the role of the notary—quite the opposite. In an era where information flows rapidly and legal relations grow more complex, the notary becomes even more indispensable. Their intervention ensures that parties fully understand the legal implications of their actions, prevents future disputes, and provides legal certainty that no automated system can offer on its own.
Notary 4.0 is therefore not merely a technical digitalization, but a profound evolution of the notarial model—one that blends legal tradition with new technologies, combines rigor with efficiency, and integrates legal certainty with greater accessibility. It also reflects a cultural shift in how public notarial services are understood: as more accessible, more efficient, and better adapted to the demands of the 21st century.
Looking ahead, we can expect the range of notarial acts that may be conducted electronically to expand. We will likely see further development in emerging technologies such as biometric signatures, blockchain, and artificial intelligence, which could assist in document drafting or data verification. This is not about replacing the notary, but about equipping them with tools to enhance the quality and reach of their services.
A practical example of these advancements is the fully digital incorporation of limited liability companies. Today, an entrepreneur can incorporate a company from home, sign the public deed via videoconference, and have it registered with the Mercantile Registry within hours. A process unimaginable a decade ago is now a reality, thanks to Notary 4.0.
Of course, the success of this transformation depends on close collaboration between notaries, public authorities, technology developers, and users. The legal framework is only one part of the equation; what truly matters is how it is implemented and how daily practice adapts to this new reality. The success of Notary 4.0 will depend on our collective ability to combine innovation with legal security.
In short, the digitalization of the notarial profession in Spain represents a major step forward in the modernization of our legal services. It is not a passing trend, but a structural change responding to the real needs of contemporary society. Enabling citizens to execute wills, sign conveyances, or incorporate companies from anywhere in the world, with full legal guarantees, is a development that strengthens the rule of law.
The road to Notary 4.0 has already begun. Though much remains to be done, the first steps are solid and promising. Now, more than ever, it is essential that this transformation be carried out inclusively, responsibly, and with a long-term vision. Only then will we achieve a notarial system that is fully digital—and fundamentally human.
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