On-site check-in for service providers

Know who really came. And when.

A LetzCheck card at every residence. Your providers scan it with their phone when they arrive and when they leave: the visit time is recorded on site, verifiable, impossible to make up afterwards.

No app to install NFC card protected by a rotating key Hosted in Europe
The problem

The €1,000 invoice nobody can check

Your cleaning company, or the one looking after the grounds, bills you €1,000 this month. Including several night interventions, at a higher rate of course. Nobody saw them.

As proof, there is a visit notice slipped into the letterbox, a letter, a sheet signed all at once at the end of the month. Papers that can be filled in beforehand, from the van… or without ever coming.

Visit notice: dropped off any time, by anyone.
Letter, sign-in sheet: lost, unreadable, signed after the fact.
LetzCheck: the exact time, taken on site, at every visit.
Invoice no. 2026-091September
Cleaning of common areasChecked in420 €
Grounds maintenanceChecked in260 €
Night intervention · 12/09No visit160 €
Night intervention · 19/09No visit160 €
Total1 000 €

With LetzCheck, every invoice line can be compared with the visits actually checked in. A line with no check-in? You know before you pay.

How it works

Three steps, nothing to install

You place the card or chip

A card at each chosen spot of the residence (entrance, boiler room, car park…) for providers, a chip at each patrol checkpoint. The cards arrive already in your name: just scan them.

The provider scans

Providers hold their phone to the card when they arrive and leave. They tap their company’s name and type their company’s postcode, the first time only. On patrols, employees do the same with the chip at each checkpoint.

You check

Every visit in your client area, one line per visit with its length. Check-in tracking provider by provider, exported in one click to compare with invoices.

Carte LetzCheck
Service providers

The NFC card

Placed at the chosen spots of each residence and its buildings. Providers hold their phone to it on arrival and departure, no app to install.

Puce NFC LetzCheck
Employee patrols

The NFC chip

Ø 35 mm, 2 mm thick: discreet and durable, fixed at each checkpoint. The employee holds their phone to it, and the visit is logged.

A card that can’t be copied

Every NFC card and chip is protected by a rotating key. It can’t be copied or used remotely: to check in, you have to be there.

Rotating keyTimestamped on siteData in Europe
Getting started

Five steps, and your residences are covered

You create your account

Online, in a few minutes. The LetzCheck seller of your country approves it, usually within one working day.

You order a plan

One residence, its buildings A, B, C… and its cards. You choose in whose name the invoice is made: the residence or you. Or accept your seller’s quote in one click.

You place the cards

They arrive already in your name. Stick them up, scan them with your phone and tap their spot: no code to type.

You add your providers

Cleaning, heating, gardening… Their employees check in with their company’s postcode. No account, no app.

You follow the check-ins

One line per visit, with arrival, departure and length. Tracking provider by provider in Excel or PDF, and reports by e-mail.

A LetzCheck seller in your country

In each country, an independent LetzCheck seller approves your account, sends you your quotes and invoices, and answers your questions. LetzCheck is a service of KRP.

Who it’s for

For everyone who pays for visits

Residential buildings, offices, shops, industrial sites: whenever a provider works while you’re not there.

Employee patrols

Security guards, caretakers, maintenance teams: an NFC chip at each point of the route. Every visit is timestamped, day and night: you know whether the patrol was done, and in what order.

Cleaning

Arrival and departure time of every job, building by building.

Grounds and landscaping

Real visits, even when nobody is there to see them.

Maintenance and technicians

Lifts, heating, fire extinguishers: a record of every service visit.

Property managers

All your buildings and all your providers in a single table.

Pricing

A simple price, a clear commitment

Plan per residence
€170excl. VAT / year
3 cards included
  • Online client area with every visit
  • Access for your colleagues and the owners’ council
  • Automatic reports in PDF, Excel or CSV
  • Employee patrols with several checkpoints
  • Paid in advance for the calendar year, pro rata the first year. Stop by 30 November at the latest
Create my account

Extra card on a residence

Beyond the 3 cards of the plan
+€24excl. VAT / year / card

Buying an extra card

For a residence that needs more, or to replace a lost or damaged card
€15excl. VAT, one-off

A question before you start?

Number of residences, patrols, installation: write to us and we’ll get back to you quickly.
Write to us

Prices excluding VAT. The VAT applied is that of the LetzCheck seller in your country, shown on the quote and the invoice. Billing starts on the date set by your LetzCheck seller, pro rata until 31 December; after that, one invoice per residence, issued on 1 December for the following year.

Contact

Write to us

Number of residences, patrols, installation, a demo: ask your question and we will reply by email.

Prefer your own mailbox? Write to [email protected].

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