Electronic signature for estate agencies

Real estate, a high-volume contracting sector

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

Commonly signed documents

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

• Lettings management mandate

• Residential lease (unfurnished, furnished)

• Commercial lease, professional lease

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

• Entry and exit inventory reports

• Joint and several guarantee contracts

• Lease amendments (tenant change, rent increase)

Recommended level

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

Agreements typically go through the notary who issues their own qualified signature.

Benefits for the agency

• Remotely signed mandates: no need for an appointment 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: signature rate increases significantly when the tenant can sign from their sofa

• Centralised complete file: lease + guarantee + inventory reports in one place

Integration with real estate software

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

Common errors

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

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

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

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

Concrete example: remote lease signature

An apartment in Paris assigned to a tenant based in Lyon. Journey:

• Monday morning: file validated by the agency

• Monday 10am: sending AES lease + annexes + joint and several 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, inventory 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.

Must inspections be attached?

Yes, EPC, ERP, asbestos, lead as applicable — in the same envelope.

Can an agreement be signed online?

Yes if it's a private agreement. For an authentic deed, consult the notary.

Can the joint and several guarantor sign remotely?

Yes, provided you use AES (strong identification).

How long should a lease be kept?

Lease duration + 5 years minimum, ideally 10 years.

Conclusion

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

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