Electronic Signature for Real Estate Agencies

Real Estate: A Sector with High Contractual Volume

Sale mandates, management mandates, leases, compromises, inventory 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)

• Rental Management Mandate

• Residential Lease (unfurnished, furnished)

• Commercial lease, professional lease

• Compromise of sale / promise of sale (if entrusted to the agency, otherwise notary)

• Entry and exit inventory reports

• Solidarity guarantee contracts

• Lease amendments (change of tenant, rent evolution)

Recommended Level

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

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

Benefits for the Agency

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

• Centralised complete file: lease + guarantee + inventory 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 retrieve the signed PDF in the client file.

Common Mistakes

• Sending a lease without mandatory annexes (EPC, diagnostics, 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 Case: Signing a Lease Remotely

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

• Monday morning: file validated by the agency

• Monday 10am: sending via AES of lease + annexes + solidarity 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.

Discover Certyneo's electronic signature solution

FAQ

Can a residential lease be signed electronically?

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

Must diagnostics be attached?

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

Can a compromise be signed online?

Yes if it's a compromise under private deed. For an authentic deed, see notary.

Can the solidarity guarantee sign remotely?

Yes, provided you use an AES (strong identification).

Duration of conservation of a lease?

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.