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Property managementwithout the stress

Automate 80% of your manual tasks. No WhatsApp, no spreadsheets, no follow-ups.

Contact us

They trust us

Century 21AlteonLe ClubWATStartLAB BrusselsCentury 21AlteonLe ClubWATStartLAB Brussels
🗣️Visit Apt 2A
💬Bathroom leak
📧Quote follow-up
📞3 calls
📲Heating failure
💬Noise complaint
📧Damage Apt 3B
💳Rent overdue
✍️Lease to sign
SEIDO
SEIDO AI
Your personal assistant
INDUSTRY REALITY

The cost of inefficiencyfor a 100-unit property manager

You feel like you spend your day chasing information. It's not a question of organisation. It's the structural cost of fragmented management.

0h
per week lost managing what your tenants could handle themselves

Base: 100 units · €45/h

0h
recoverable per day once your tenants have their own portal

Base: 100 units · €45/h

0€
billed to your organisation in operational inefficiency per year

Base: 100 units · €45/h

Calculation: 100-unit manager · €45/h gross · 15h/week inefficient. Source: Federia/IPI. Conservative estimate, some agencies report 20h/week.

You live this every day. Here's what it looks like from the inside.

See how SEIDO recovers these hours

Ready to quantify the impact for your agency?

Calculate my indexation

Here are the six tools that make these results possible.

Six tools. One place. You take back control.

Everything you need to run your operations with confidence.

Your AI concierge

A complex question? The AI agent cross-references your data with regulatory sources in 30 seconds. PDF ready to send.

Multichannel triage

WhatsApp, SMS, calls, emails: AI classifies, links to the right property and suggests a priority. One-click validation.

Live tonight

CSV import, bulk invitations. Your requests centralised from tomorrow.

Fully documented

Photo + date + time + who. No more reconstructing the history.

Your office, on the go

Approve a quote from anywhere. Your decisions no longer depend on being at your desk.

Dedicated portals

Contractors, tenants, owners, each has their own space to follow, act, validate without flooding your inbox.

2026 Tool

Calculate your Wallonia indexation in 30 seconds

Rent, EPC, dates, enter the data, get a ready-to-send indexation letter.

Open the calculator

No credit card required · Your real data

or talk to an expert
1-month free trial, no card required

Simple, transparent pricing.

Test with your real data for 1 month. If it doesn't change your daily routine, leave without friction.

1 to 2 units?

Free forever to get started in property management (AI and external APIs excluded)

How many units do you manage?
3 units

Slide to calculate your price.

After free trialMigration included

Property management

50€/unit/year

Total: 150€/year for 3 units

Save €30 vs monthly

  • Self-service CSV/Excel import
  • Assisted migration by our team included
  • Priority 7-day support
  • Cancel in 1 click
Add-on

AI Assistant

Try it free during your trial. Your tenants contact the AI via WhatsApp, SMS or phone, it creates the maintenance requests for you.

Included in the free trial: 10 credits via WhatsApp, SMS or call

Personal

100 credits / month
499€/an

i.e. €42/month

then €499/an after the trial

Popular

Pro

250 credits / month
999€/an

i.e. €83/month

then €999/an after the trial

Agency

500 credits / month
1499€/an

i.e. €125/month

then €1499/an after the trial

AI assistant available 24/7Requests handled automaticallyMaintenance requests created effortlessly

A question about your specific situation? We reply within 24 hours.

A demo with your own data. Not a generic pitch.

Tell us how many units you manage. We'll show you SEIDO with your type of portfolio. Response within 24 hours, Monday to Friday.

Email

info@seido-app.com

Phone

+32 2 315 13 42

Availability

Monday – Sunday · 9:00 – 18:00

Support

Response guaranteed within 24 hours · 7-day support

Office

Rue de Grand-Bigard 14, 1082 Berchem-Sainte-Agathe, Belgium

Frequently asked questions

What we're asked most often, with direct answers.

Have more questions?

Contact our team
Blog

Belgian property management news

Analysis, insights and practical advice for property managers, landlords and syndics.

Co-ownership

General meeting annulment: the anti-litigation checklist for building managers

Article 3.92 §3 of the co-ownership law allows the annulment of an irregular AGM causing personal prejudice. Notice, minutes, consultation arrangements: the 3-step checklist (before / during / after) to shield your AGMs.

22 mai 20267 min
general meetingannulmentco-ownership+5
Co-ownership

Volunteer building manager in condominiums: the practical guide to a successful transition

Article 3.89 of the new Civil Code expressly allows the appointment of a non-professional building manager. Legal conditions, mandatory accounting, 4-step approach to move from theory to practice.

19 mai 20269 min
volunteer syndicco-ownershiparticle 3.89+5
Rental lease

Landlord scams: the techniques multiplying in 2026

Fake bank guarantees, fake employers, fake tradespeople ringing your door 'after inspecting the roof': landlord scams are spreading. How to detect them without slipping into systematic mistrust.

15 mai 20266 min
scamsfake pay slipsfake rental deposit+3

What if next Monday was different?

Your phone rings less. Your team stays current. You leave at 6pm.

1 month free, no credit card required

SEIDO

All your channels. One place.

Contact

  • info@seido-app.com
  • +32 2 315 13 42
  • Rue de Grand-Bigard 14
    1082 Berchem-Sainte-Agathe, Belgium
  • GDPR, EU hosting
  • LinkedIn

Product

  • Features
  • Pricing
  • Contact
  • FAQ

Resources

  • SEIDO vs alternatives
  • For 50-300 unit agencies
  • Multi-channel centralisation
  • AI request triage
  • Blog
  • Tools - Indexation calculator

Legal

  • Privacy Policy
  • Terms of Service
  • Cookies

© 2026 SEIDO. All rights reserved.

Made in Belgium

Every property manager knows this scenario.

Everything lands in the app. Nothing slips through.

1Before Seido

An avalanche of tools

WhatsApp, SMS, email, Drive, Sheets. One tool per contact, you juggle them all day long.

Step 1: scattered tools across the daily workflow (WhatsApp, SMS, email, Drive, Sheets)
With Seido

One unified platform

One Seido number centralizes WhatsApp, SMS, calls. The AI sorts, you keep the overview.

Preview of the channel centralisation dashboard
◆ SEIDODashboard
1
Urgent
12
Units
50%
Occupancy
2
Leases
8
Interventions
0
Alerts
2Before Seido

60 messages, 30 minutes wasted

Emergencies, duplicates, repeated questions all mixed in. You read everything, afraid to miss a hidden urgency.

Step 2: 60 messages to triage manually, 30 minutes wasted
With Seido

AI sorts everything, you see what matters

AI prioritizes urgencies, filters duplicates, answers simple questions. You open an already-sorted inbox.

Preview of incoming messages prioritised by AI
◆ SEIDOAI Requests12 new
CallM. Dupont
Kitchen water leak
Lot 3BToday 2 PMTo approve
WhatsAppEmma Martin
Boiler unusual noise
Lot 1AToday 9 AM
SMSA. Lejeune
Lease info request
Lot 2BYesterday
3Before Seido

The permanent middleman

For every request, you dig through 5 tools to find the history, the lease, the right contractor.

Step 3: scattered information lookup and manual coordination across stakeholders
With Seido

Everything in one place, in a few clicks

Full record, all parties notified. You approve, assign and schedule without switching screens.

Preview of one-click intervention creation
◆ SEIDOPlumbing · Unit 1RequestAction pendingProcess request
OverviewConversationsPlanningDocumentsContactsEmailsActivity
Description
Water leak in kitchen
Participants
Arthur U. · Jean Dupont · Emma Martin · Moreau
Location
8 Marconi Street · 1190 Forest
4Before Seido

Zero visibility

Did the contractor show up? You'll know when the tenant calls back. To confirm or complain.

Step 4: no visibility on execution until the tenant calls back
With Seido

Real-time tracking, automatic reminders

Live status. Automatic contractor reminder, tenant confirmation, alert if things slip.

Preview of intervention progress tracking
◆ SEIDOPlumbing · Unit 1In progress
Request
Approved
Assigned
Scheduled
In progress
Closed
5Before Seido

DIY closure

WhatsApp photo, emailed invoice, scribbled feedback. You compile by hand. Often forgotten.

Step 5: messy closure, manual compilation of messages photos and feedback
With Seido

Closure report, automatic archiving

Seido generates the report: before/after photos, duration, cost, signatures. All auto-archived.

Preview of the auto-generated intervention report
◆ SEIDOPlumbing · Unit 1Closed
Summary
Duration 2h10
Cost €180
Moreau Plumbing
Before / after photos
4 photos
Ratings
Contractor 4.5/5
Tenant confirmed
Sent to 4 recipients
Tenant · Owner · Contractor · Manager
Archived· Apr 27 · Unit 1 file

What about the complex ones?

The AI agent cross-references your data against live regulatory sources.

Without AI agent

Friday 4pm, an owner calls you:

"Are my 4 properties affected by the new Wallonia EPC rules? And what can I index in 2026?"

Cluttered desk: 4 EPC certificates, Wallonia EPC case-law, calculator, manual research of scattered information
With Seido AI agent

You type to the Seido agent:

"Wallonia EPC: are Mr. Dupont's 4 properties compliant? Allowed indexation in 2026?"

Preview of the AI agent answering a complex question
◆ SEIDOAI Agent
Wallonia EPC impact for Mr. Dupont's 4 properties and 2026 allowed indexation?
AI Agent · data + external sources

Here is the analysis for Mr. Dupont's 4 properties:

Unit 1 · Marconi 8EPC C · Indexation +2.8%
Unit 2 · Louise 45EPC D · Indexation frozen
Unit 3 · Loi 14EPC B · Indexation +3.1%
Unit 4 · Trône 22EPC F · Compliance required
SourcesTavily · Wallonia EPC Decree 2024 · BE Health Index
PDF report ready

What eliminating 80% of your repetitive tasks actually changes for your organisation

Less time on tasks that add no value. More time to lead, grow, and breathe.

ROI

For a 100-unit portfolio, that translates to roughly 12 hours recovered per week. Time to lead, not to respond.

Organisation

Risk

Every exchange logged. Every urgency flagged. No dispute without a paper trail.

Organisation + Owners

Growth

Take on 50 more units without hiring. Time saved becomes growth capacity.

Organisation

Team

Fewer interruptions for your team. Fewer frustrated calls from your tenants.

Team + Tenants

Compliance

EPC, ESG, Wallonia indexation, tracked automatically, penalties avoided.

Owners + Organisation