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5.2 · Contracts · e-signature

Rental contracts with a digital signature: legally sound, on the customer's phone, in 15 seconds

The contract is what covers you when something goes wrong, and it is exactly what gets filled in at speed during high season, signed illegibly and filed in a folder nobody opens again. Digitally it stops being paperwork and becomes one more field on the booking.

Contrato de alquilerMoto de agua · sáb 1 ago, 12:00
ArrendatarioMarta RuizEmbarcaciónSea-Doo · 7ª-BA-2-19-24Fianza600 €
Condiciones del alquiler náuticoEl arrendatario declara estar en posesión de la titulación válida para la embarcación descrita y asume la responsabilidad por los daños causados durante el alquiler…La navegación queda limitada a la zona autorizada y a las horas de luz. La hora de regreso es vinculante; los retrasos se cobran según tarifa.La fianza se devuelve tras la entrega.
Firma aquí
Firmar y enviar
FirmadoTe llega una copia al correo
Firma electrónica eIDASSello de tiempo01/08/2026 11:58:04Contrato#C-2026-1184Hash del documentoa7f3c9e21b04d8…5fe0c6b93a11
1 menor en esta reservaTutor
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firmado en 14s

What this area solves

  • Electronic signature with timestamp and document hash, under the eIDAS framework
  • Templates written for watersports rental, not adapted from a generic agreement
  • Contracts for minors signed by the legal guardian and tied to the same booking
  • Permanent archive, searchable by customer, craft, date or contract number
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What a watersports rental contract has to cover

The templates cover what the sector actually needs, which is what a generic rental model leaves out: licensed and unlicensed operation, the limits of the authorised navigation area, deposits and security holds, damage to the craft and to third parties, weather conditions, and the specific case of minors, where the legal guardian signs.

  • Identification of the parties and of the craft, with registration
  • Contracted time slot and return conditions
  • Deposit, liability for damage and insurance cover
  • Data-processing and image-use consents
  • Minors annex with the guardian's details and signature
02 / 03

How signing works in practice

  1. 01The booking generates the contract already filled in with what the system knows: customer, product, slot, base and price.
  2. 02The customer opens it on their phone, from the QR code at the desk or the link on their online booking, and completes what is missing: ID document and personal details.
  3. 03They sign on screen with a finger. If minors are involved, the annex is added and the guardian signs.
  4. 04The document is sealed, filed and sent to the customer by email or WhatsApp. The data flows straight into the official register.
03 / 03

Legal validity and retention

The signature is an advanced electronic signature: there is a record of which document was signed, when, from which device and with what cryptographic hash. That is what lets you prove, months later and against a claim, that this specific customer accepted these specific terms.

Contracts stay filed and findable. When a damage claim arrives about something from three months ago, locating the signed contract stops being an excavation through cardboard boxes.

Frequently asked questions

Is an electronic signature as valid as a handwritten one?+

It is an advanced electronic signature with a timestamp and a document hash, under the eIDAS regulation. Against a ballpoint signature it has an evidential advantage: it records when and from where it was signed.

Can I use my own contract model?+

Yes. You can start from the sector templates or upload the contract your company already uses and digitise it with the same automatic fields.

How are rentals to minors handled?+

The contract includes an annex with the minor's details and the legal guardian's signature, tied to the same booking. It is not a loose document filed separately.

Just looking for the PDF template?+

If what you need right now is a model to print, there is a free downloadable template with all the essential clauses in our rental contract guide, linked below.

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