Electronic signature for real estate agencies

Real estate, a sector with high contract volume

Sale mandates, management mandates, leases, agreements, inspection reports, amendments: a real estate agency handles hundreds of documents per month. Electronic signature drastically shortens transaction cycles.

Commonly signed documents

• Sale mandate (exclusive, simple, semi-exclusive)

• Lease management mandate

• Residential lease (unfurnished, furnished)

• Commercial lease, professional lease

• Sales agreement / promise to sell (if entrusted to the agency, otherwise notary)

• Entry and exit inspection reports

• Joint guarantee contracts

• Lease amendments (tenant change, rent increase)

Recommended level

For a mandate or lease, advanced signature (AES) is the standard — significant contractual stake, long-term rental relationship. Inspection reports can be in SES.

Sales agreements generally go through the notary who issues their own qualified signature.

Benefits for the agency

• Mandates signed remotely: no need for appointments at the agency to collect the seller's signature

• Accelerated leases: a file validated in the morning, lease signed in the afternoon, tenant in place the next day

• Fewer no-shows: the signature rate increases significantly when the tenant can sign from their sofa

• Centralised complete file: lease + guarantee + inspection reports in the same space

Integration with real estate software

Agencies use Apimo, Hektor, PERISCOPE, Immofacile. Modern electronic signature interfaces via API to generate documents, send for signature, and repatriate the signed PDF to the client file.

Frequent mistakes

• Sending a lease without mandatory annexes (EPC, diagnostics, information notice)

• Using SES for an exclusive mandate (weak evidence in case of dispute)

• Not keeping the audit trail (lease duration + 5 years)

• Having the lease and guarantee signed separately (risk of inconsistency)

Concrete case: signing a lease remotely

A Parisian apartment assigned to a tenant based in Lyon. Process:

• Monday morning: file validated by the agency

• Monday 10am: sending via AES of the lease + annexes + joint guarantee (3 signatories: tenant, guarantor, landlord)

• Monday 3pm: all signed

• Tuesday: key handover

Three weeks saved compared to the traditional paper cycle.

How Certyneo helps you

Certyneo offers a solution tailored to real estate: pre-configured templates for mandates, leases, inspection reports, advanced signature by default, integrations with major real estate software, and long-term archiving compliant with legal duration.

FAQ

Can a residential lease be signed electronically?

Yes, the ALUR and ELAN laws do not oppose it. AES recommended.

Should diagnostics be attached?

Yes, EPC, ERP, asbestos, lead depending on the case — in the same envelope.

Can a sales agreement be signed online?

Yes if it's a private agreement. For an official deed, see notary.

Can the joint guarantor sign remotely?

Yes, provided you use AES (strong identification).

How long should a lease be retained?

Lease duration + 5 years minimum, ideally 10 years.

Conclusion

Electronic signature has become a standard in real estate. Agencies that have adopted it process more files, faster, with less friction for their clients.

Try Certyneo to send, sign and track your documents online simply, quickly and securely.