Real Estate Agencies & Property Managers

Electronic signature for real estate

Residential lease, sales or management mandate, sales agreement, inventory of fixtures, joint guarantee: digitise all your files with a platform compliant with the ALUR law, the ELAN law and the SRU law. Compatible with leading real estate software (Hektor, AC3, SPI, Immo-Facile) via Zapier, Make or webhooks — native connector available on request. 10-year archiving included, audit trail with probative value.

Signature électronique immobilier — clés d'appartement et mandat

Real estate use cases

All documents in the life of a real estate agency or property management firm can be electronically signed on Certyneo, from transaction to letting management.

Residential lease

Furnished or unfurnished lease, Civil Code or 6 July 1989 law: send the electronically signed contract from the landlord, tenant and possibly the guarantor. All mandatory schedules (EPC, risks, inventory of fixtures) can be included.

Entry and exit inventory of fixtures

Sign remotely or on-site from a tablet: the jointly agreed inventory of fixtures is signed by both parties, archived, and automatically linked to the original lease.

Sales mandate

Simple or exclusive mandate, with or without right of first refusal: send it to the seller, collect their advanced electronic signature (AES) and archive for 10 years in compliance with the Hoguet law requirements.

Lettings management mandate

Multi-year lettings management mandate signed by the owner, with limited delegation of authority. Automatic reminders for renewals before expiry.

Sales agreement

Agreement signed remotely by buyer and seller, with deposit mentioned and 10-day SRU withdrawal period automatically time-stamped by the audit trail.

Joint guarantee deed

Guarantor commitment signed by the surety with mandatory handwritten statements (article 22-1 of the 1989 law) converted into electronically signed fields and traced in the audit trail.

Why Certyneo for real estate

Six concrete benefits for your transaction, lettings and property management teams.

File completed in 48 hours

Instead of multiple back-and-forth postal exchanges or physical meetings, the entire file (lease, guarantee, inventory of fixtures, schedules) is signed by all parties within 24 to 48 hours.

Reduction in logistics costs

No more printing, registered mail, scanning or travel expenses. According to FNAIM studies, digitisation saves between 15 and 30 € per lettings file.

Optimised mobile signature

Your tenants and buyers sign from their mobile phone in 2 minutes, without downloading an application. User journey in English, accessible and reassuring.

Reinforced probative value

Advanced signatures (AES) compliant with eIDAS: identification by double OTP email + SMS, time-stamped audit trail, evidence admissible before all courts.

10-year archiving included

All your mandates, leases and agreements are archived for 10 years with probative value, a period compliant with document retention obligations of regulated real estate professions.

Intelligent multi-signatory

Two tenants in a shared rental, a landlord and their agent, a joint guarantor: Certyneo orchestrates all signatories (in series or in parallel) with automatic reminders.

Time savings per file

In real estate, the time lost between a property offer and the actual signing represents a direct loss of earnings: withdrawals, lettings that unravel, compromises that drag on. According to sector studies, electronic signature enables:

-70% administrative time per rental file, according to FNAIM studies on digitalisation.
₹15 to 30 saved per file on logistics costs (printing, registered mail, scanning, travel).
Withdrawal rate cut in half thanks to signing speed — less delay = fewer opportunities for another property to attract the tenant or buyer.

You can estimate your ROI precisely with our free calculator in 2 minutes.

Integrations with your business software

Certyneo is compatible with the main agency and property management software used in France, via Zapier, Make or our webhooks. No native connector is published to date — it can be developed on request depending on your file volume.

- What ?

Popular transaction software for independent agencies: connect it to Certyneo via Zapier/Make or via manual CSV export + batch sending from Certyneo. Native connector available on request.

AC3 and Apimo

Multi-agency solutions: compatible via our webhooks and Zapier/Make to feed back signature status to the property or tenant record. Custom integration possible via our REST API.

The Commission has not received any comments from interested parties.

Property management software: compatibility via Zapier or Make for sending management mandates, leases and inventory reports. Native connector under review, please contact us.

Immo-Facile and other CRMs

French real estate agency CRM: integration via webhooks or Zapier/Make to trigger automatic sending when a file moves to "ready to sign" status. REST API documented at /docs for custom integration.

Your software is not listed? The Certyneo API (documented on our API documentation) allows integration in a few hours. Contact us.

Compliance with ALUR, ELAN, SRU and Hoguet law

Electronic signature in real estate is part of a precise legal framework. Certyneo covers all applicable regulations.

Law of 6 July 1989 & ALUR law

The ALUR law (2014) and its implementing decrees govern the content of the lease and annexes (EPC, risk statement, information notice). All mandatory documents can be combined in the same Certyneo envelope for simultaneous signature.

ELAN law (2018)

The ELAN law explicitly recognised the validity of electronic private deeds in real estate matters and encouraged the digitalisation of rental relationships. Certyneo enables the entire lease lifecycle (signature, amendments, renewal, termination).

SRU law — withdrawal period

For the compromise of sale of a residential property, the 10-day withdrawal period (article L271-1 of the CCH) runs from the first presentation of the signed deed. Certyneo time-stamps this date precisely and exports proof in the event of dispute.

Hoguet law & Civil Code

Hoguet law requires mandates to be kept for 10 years. Our plans include this archiving with probative value by default. Article 1367 of the French Civil Code recognises electronic signature as equivalent to manuscript signature.

Electronic signature guide·eIDAS guide·Certyneo security·Free contract templates·Signer un mandat de gestion locative en ligne·Signer un mandat de vente immobilier en ligne·Signer un mandat exclusif immobilier·Signer un bail commercial en ligne·Signer un bail d'habitation en ligne

Frequently asked questions in real estate

Is a residential lease signed electronically legal in France?

Yes, without ambiguity. The ELAN law (2018) explicitly confirmed the validity of leases in electronic form, and article 1367 of the French Civil Code recognises electronic signature as equivalent to manuscript signature. Mandatory annexes (DPE, risk assessment, notice) can also be signed electronically.

How do you comply with the SRU 10-day withdrawal period for a compromise?

Certyneo precisely time-stamps the date of signature of the purchase agreement by both parties. The 10-calendar-day period (article L271-1 of the French Property Code) runs from this date. You can export at any time the signature certificate with qualified time-stamping to prove the start date of the period.

Are handwritten notes from a joint guarantor possible electronically?

Yes. French case law accepts that the handwritten notes provided for in article 22-1 of the 1989 law can be entered and signed electronically, provided that the guarantor actually reproduces them himself (not a pre-filled copy-paste). Certyneo provides a mandatory input field with validation and time-stamping.

Can you get both people to sign an inventory report in the same place?

Yes. Certyneo offers an "in-person signature" mode: both parties sign successively from the same tablet or smartphone during the visit, with strong identification (SMS OTP) for each. The audit trail preserves the time-stamp and geolocated IP.

Is Certyneo compatible with Hektor, AC3, SPI, Immo-Facile?

Yes, via Zapier, Make and our webhooks — there is no certified native connector on these software platforms yet. Certyneo exposes a direct REST API and real-time webhooks to feed signature statuses back to your CRM. A native connector on one of these platforms is available on request: our integration team can support you in a custom deployment based on your stack and volume.

How long are signed leases and mandates archived?

Our plans include 10-year archival with probative value, which corresponds to the retention obligations under the Hoguet law for mandates and standard durations for residential leases. Documents remain downloadable at any time from your dashboard.

How much does Certyneo cost for a real estate agency?

Our pricing starts with a free plan to test the service. Paid plans are based on the volume of envelopes sent per month, with tiers designed for agencies (5, 20, 100 files/month). Visit our /pricing page for details.

Can multiple documents be signed in a single envelope?

Yes. A Certyneo envelope can contain multiple PDFs (lease + DPE annexes + risk assessment + deposit). The signatory reviews them in a single flow, signs once at the end, and the audit trail covers the entire package.

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