Demo mockup — figures, client logos and testimonials are placeholders to be replaced with real data before going live.
Paris · Lyon · Bordeaux
Aerial view of a Haussmann building in Paris
AI-powered property management

Your property management deserves a different perspective.

Keysy combines the rigour of a management firm with the intelligence of a modern co-pilot. Rent receipts, indexation, compliance, e-invoicing: the admin writes itself — you keep the vision.

30 days · no credit card · cancel anytime

GDPR · EUFactur-X · 2026 reformOpen banking DSP22FA
12 400
properties under management
98 %
rents collected on time
6 h
returned every week
4,9 /5
landlord satisfaction
They trust us — placeholder logos
Dupont Family OfficeLefebvre & AssociésVal d'Or CapitalMeridian PrivateCalderon & FilsMontplaisir Partners
app.keysy.fr
Hello Jean — here is what deserves your attention.
Wednesday 11 June 2026 · 24 properties · 42 active leases
AI — Proactive recommendations
3 unpaid rents > 30 days · €8,420Graduated reminders ready · Pre-drafted registered letter for Vasseur file
Follow up
Works SLA exceeded — lift Tower AContractor Otis · D+6 · contractual penalties applicable
View ticket
12 IRL indexations overdue+€14,380/yr recoverable · regulatory letters generated
Prepare
4 leases expire within 90 daysPre-filled renewal files · notice periods to anticipate
Renew
184 230 €
collected this month
96,4 %
occupancy rate
12
items to validate
fig. 0The Keysy dashboard — every alert comes with its action, ready in one click.
Chapter 01 — Artificial intelligence

A co-pilot that never sleeps.

Keysy's AI is not a gadget bolted onto the tool: it is embedded in every workflow, from the indexation letter to the bank reconciliation.

i.

It reads your documents

Drop a lease, an invoice, a diagnostic report: clauses, amounts, deadlines and obligations are extracted, classified and linked to the right property — no manual entry.

ii.

It detects before you do

Emerging unpaid rents, overdue works SLAs, forgotten indexations, expiring leases: every drift is identified and quantified before it becomes a problem.

iii.

It prepares the action

Every alert comes with its response ready: graduated reminder, regulatory letter, work order. You validate in one click — or let it run.

Chapter 02 — Platform

A management firm, in your browser.

Residential building facade
pl. i

Residential

Apartment blocks, individual units, furnished rentals — tenancy agreements managed with precision, from rent receipts to inventories.

Modern office building
pl. ii

Offices

3/6/9 commercial leases, ILAT indexation, service charge refactoring — tertiary rigour without the spreadsheet.

Retail shop front
pl. iii

Retail

Ground-floor units and retail — ILC indexation, rent ceiling removal, tenant works schedules tracked to the day.

Logistics warehouse
pl. iv

Industrial & logistics

Warehouses and business premises — derogatory leases, ICPE obligations, documented preventive maintenance.

The full cycle, covered.

Our principle: augment first, automate second. Every workflow is detected and prepared by the AI; execution stays under your control for as long as you wish.

WorkflowDetectedPreparedExecuted
Rent receiptsmonthly issuance, delivery, archivingAutoAutoAuto
Unpaid rent follow-upgraduated · registered letter · formal noticeAutoAutoOn approval
Indexation IRL / ILAT / ILCcalculation, letter, applicationAutoAutoOn approval
Bank reconciliationrent ↔ lease · open bankingAutoAutoAuto
E-invoicingFactur-X · PDP · e-reportingAutoAutoAuto
DPE & rent compliancedeadlines, caps, F/G freezeAutoAutoAssisted
Tax reportingproperty income, accounting exportAutoAutoAssisted
Worksanomalies, quotes, site trackingAutoOn approvalAssisted
Auto executed without interventionOn approval prepared by AI, approved in one clickAssisted step-by-step guidance, human keeps control
Chapter 03 — Compliance

Obligations, treated as a core subject.

2026 reform

E-invoicing native — not bolted on.

Where legacy tools rush to graft a module, Keysy was built for the reform: every receipt and every invoice is born compliant.

  • Factur-X & UBL native formats — EN 16931 standard
  • Direct transmission via accredited PDP platform
  • Lifecycle tracked from issuance to collection
  • Automatic e-reporting to the tax authority
Invoice F-2026-0142Factur-X · compliant
Rent March 2026 — Apt 4B, Paris 9th€1,250.00
Service charge provisions€180.00
VAT
Total due€1,430.00
Issued ✓Transmitted PDP ✓Received ✓Paid
e-reporting transmitted to DGFiP · 12/03/2026 · timestamped lifecycle
i.

Energy audit & DPE

2026 deadlines tracked property by property. Keysy alerts in time, recommends the right surveyor and archives the reports.

ii.

Rent capping compliance

Caps verified at every reletting and every indexation, including rent-controlled zones. No inadvertent overrun.

iii.

Tax & declarations

Consolidated property income, documents gathered, export ready for your accountant. The declaration becomes a formality.

Chapter 04 — Return on investment

Your time has a value. Calculate it.

Three sliders are enough to measure what manual admin really costs you — and what Keysy gives back.

Method: Keysy automates on average 70% of recurring admin tasks (rent receipts, reminders, indexation, reconciliation). Saving = hours returned × hourly rate, compared with the annual cost of the recommended plan for your volume. Above 50 units, the calculation is shown on the Portfolio basis — the Firm plan is priced on request.

218 h
returned every year
13,104
estimated annual saving
× 14
return on subscription
27 days
to pay back the full year
Start your trialRecommended plan: Portfolio — €79/month
Black and white editorial portrait of a property owner
"I rediscovered the pleasure of managing my buildings. Keysy handles the admin, I handle the strategy."
Placeholder testimonial — property owner, 18 units, Lyon
Chapter 05 — Pricing

Clear terms.

Everything is included at every tier: AI, compliance, e-invoicing. 30-day free trial, no credit card required.

Essential
39 €/mois
up to 10 units
  • Automated rent receipts & reminders
  • Guided IRL indexation
  • Native e-invoicing
  • Document vault
Try for free
Firm
Custom
unlimited units · multi-entity · API
  • Multi-entity deployment
  • Dedicated portals (tenants, accountants…)
  • API & bespoke integrations
  • Onboarding & data migration
Book a call

Prices excl. VAT — placeholders to confirm. The Portfolio plan is the one used by the ROI calculator.

Keysy — 2026 Edition
Property management, elevated to an art form.
Institutional brochure
The brochure

The essentials of Keysy, in your inbox.

Product vision, AI methodology, 2026 compliance, detailed pricing: 16 pages to present Keysy to your partners or advisors.

PDF · 16 pages Full pricing grid Quantified case studies

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Property management, elevated to an art form.

Migration from your spreadsheet or existing tool included, in under an hour.