Paying for construction without having to trust anyone

Guides for whoever pays and whoever gets paid: how work is certified, where the money sits in the meantime and what it takes for every payment to depend on progress, not on trust.

An arch on its centeringDiagram
A voussoir arch on its centeringDiagram: the centering, a frame made of a curved rib and props, holds up the arch’s voussoirs until the keystone is set. Keystone Voussoirs Centering
The centering holds up the voussoirs while the arch can’t stand on its own. Once the keystone is in, it can be removed.

If you build or develop

Getting paid by progress certificate without waiting on anyone’s cash flow.

Project taxes in Spain

What a construction company files every quarter.

If you’re building or renovating your home

Make sure every euro you pay has work behind it.

Construction

Construction concepts, explained without jargon.

If you’re comparing solutions

What each one covers, no fine print.

The Cimbrium symbol: the arch on its surface, with its shadow.

The guides explain the method. The ecosystem runs it.

Budget, escrow, verification and taxes in a single cycle, so that trust between the parties stops being the condition for every payment.