Automating a real estate agency: files, leases, signatures

In short

• Automating a real estate agency means three concrete projects: assembling rental files (collecting documents, follow-ups, verification), generating documents (lease, mandate, inventory of fixtures) followed by their electronic signature, and management (rent follow-ups, tracking renewals).
• A complete rental file often means 10 to 18 documents to gather between the applicant and their guarantor, with several follow-ups for each missing document.
• A lease or mandate signed electronically (eIDAS-compliant) is wrapped up in 24 to 48 hours, versus one to two weeks of back-and-forth on paper or scanned PDF.
• On budget: a simple automation starts at 440 € excl. VAT and the integrated electronic signature module at 880 € excl. VAT, with a base already built and customization on a fixed-price basis.
• An honest limit: the viewing, the valuation and the negotiation stay human. We automate the file, not the profession.

The problem, in concrete terms

I know this ground from the inside: BeForBuild.com, my B2B SaaS, is a real estate software in production, with document generation, electronic signature and OCR of supporting documents. What I describe here is not theory, it is what I designed and delivered single-handed, and what I see at the agencies I talk with.

Take a classic rental. The list of documents a landlord may request is set by decree: an ID, proof of address, proof of activity and income (payslips, tax notices, etc.). Count on 5 to 9 documents per applicant, and as many for the guarantor: a complete file quickly runs between 10 and 18 documents. In real life, they arrive as poorly named attachments, blurry photos, three separate emails. Someone at the agency has to open them one by one, check that nothing is missing, follow up, refile. On a property that attracts 5 or 10 applications, this work multiplies accordingly.

On the signature side, same friction. A residential lease with its annexes (including the technical diagnostic file) easily exceeds 30 pages. In a paper or scanned PDF circuit, each signatory (tenants, guarantors, landlord) prints, initials, scans, sends back. With two tenants and a guarantor, I have seen leases take two weeks to come back complete, and sale mandates lost because the seller had time to change their mind between two follow-ups.

None of these tasks requires human judgment. All of them consume it.

Project 1: the rental file that almost assembles itself

The manual process looks like this: the applicant sends what they think is a complete file, the assistant opens each document, notes what is missing, writes a follow-up email, waits, starts again. Three to four round trips per file are not rare, spread over a week.

The automated version: the applicant receives a deposit link that lists precisely the documents expected for their situation (employee, self-employed, student with guarantor). With each upload, an automation agent reads the document by OCR: it checks that the document matches what is requested (a tax notice is not a rent receipt), extracts the useful information (name, income, dates) and marks the box as filled. If a document is missing or illegible, the follow-up goes out on its own, with the exact list of what remains to be provided. The agency only sees complete files, already sorted, with a summary sheet.

The gain is not only time: it is also fewer applicants dropping out along the way, because the path is clear and the follow-ups immediate. This is exactly the OCR and completeness mechanism I built for BeForBuild, adapted to rental vocabulary.

Project 2: lease, mandate, inventory of fixtures: generated then signed online

Second source of gains: producing the documents. A lease, a mandate or an inventory of fixtures is 90% the same paragraphs from one file to the next. Only the names, addresses, amounts and dates change. Re-entering them by hand into a Word template is slow, and it is the leading source of errors (a misreported rent, a misspelled name, a forgotten annex).

Automated, the document is generated from the property sheet and the client sheet: zero re-entry, annexes attached systematically, including the technical diagnostic file required at lease signing. Then it goes out for electronic signature: each signatory receives a link, signs from their phone, automatic follow-ups take care of the stragglers, and the agency sees in real time who has signed and who is holding things up.

On legal validity: the European eIDAS regulation recognizes the electronic signature and defines three levels (simple, advanced, qualified). For an agency's everyday acts (mandates, residential leases, inventories of fixtures), the advanced level is generally appropriate; I detail the nuances in this article on eIDAS explained simply. Typical result: a complete lease signed in 24 to 48 hours instead of one to two weeks, and a mandate signed the very evening of the valuation.

Project 3: management: follow-ups and renewals without thinking about it

Third project, less visible but recurring: everything that repeats every month. Following up on an unpaid rent at D+5 then D+15, with a tone that adapts (courteous reminder, then a formal notice prepared for human validation). Tracking deadlines: leases coming up for renewal, home insurance to be requested each year, diagnostics that expire. An agent that monitors these dates and prepares the letters avoids the gaps, the ones you discover at the time of a dispute.

A realistic example: the Berthelot agency

A fictional but realistic case, composed from situations encountered. The Berthelot agency, 3 people (a manager, a salesperson, a management assistant), around 180 units under rental management and a sales activity. According to the manager, the assistant spent half her time on rental files and follow-ups: roughly 2 days a week.

Set up in two stages: first the deposit portal with completeness checking by OCR and automatic follow-ups, then the lease + inventory of fixtures generation with electronic signature. Three months later: files arrive complete in 8 out of 10 cases with no intervention, the average time between "file selected" and "lease signed" went from about 10 days to 3, and the assistant estimates she recovered a day to a day and a half per week, reinvested in the relationship with owners. At 30 euros per loaded hour, one day a week represents on the order of 900 euros per month of reallocated time. No layoff, no software replaced: the modules plugged into the existing setup.

What it costs (and what it returns)

Market benchmarks, plainly: real estate business software generally bills between 100 and 400 euros per month per agency, but rarely covers intelligent document collection or custom signature circuits. SaaS electronic signature platforms cost from 10 to 60 euros per user per month, or from 0.50 to 2 euros per signature via API. A fully custom development by a web agency quickly runs between 15,000 and 40,000 euros.

My approach is between the two: I do not start from scratch, I adapt modules already in production on BeForBuild. Concretely: a simple automation (a workflow such as file collection or follow-ups) starting at 440 € excl. VAT, the electronic signature integrated into your documents starting at 880 € excl. VAT. Customization to your agency (your templates, your rules, your existing software) is quoted on a fixed-price basis, signed before starting.

The return calculation is simple and deliberately conservative: if the automation returns one day a week to someone on your team, that is about 900 euros per month of loaded time, a module at 440 € excl. VAT is paid back in two months. And I count neither the mandates signed faster, nor the re-entry errors avoided.

Where to start

1. A free 30-minute audit. We review your typical week and identify the task that costs the most time. Often the verdict is surprising: it is not always where you think.
2. A single, measurable project. We automate one flow end to end (for example rental files), with a before/after indicator: completeness time, signature time, hours spent.
3. Extend only if it pays. Once the first project has paid for itself, we add the next module (signature, then management). Never the other way around.

And to be complete about what cannot be automated: the viewing, the fine valuation of a property, the negotiation between seller and buyer. That is your profession, that is where you make the difference, and that is precisely why the administrative time smothering it must be freed up.

Sources

• Service-Public.fr: supporting documents that can be required from the applicant tenant and their guarantor
• Service-Public.fr: property diagnostics to provide when putting up for rent
• Regulation (EU) No 910/2014 (eIDAS): electronic identification and trust services (EUR-Lex)