Inspection-ready, first time
Every acceptance criterion cites its source.
One partner for your GxP cold chain. A fixed price before any work starts.
We work to
↺ and around again
Every acceptance criterion cites its source.
Agreed in writing before work starts.
Mapping decides where monitoring sensors go.
Cold rooms, warehouses, freezers, incubators, stability chambers.
QualificationFresh sensors swapped in. No downtime.
CalibrationFind the hot and cold spots, empty and loaded.
MappingWireless sensors, SMS and email alarms, full audit trail.
MonitoringFor teams with validation experience.
For sites with staff but little time.
For new sites, inspections, tight deadlines.
Continuous mapping. Sensors stay in place and keep proving the whole space is in range. No separate re-mapping study.
Before first use.
GDP 3.2.1Layout, HVAC, F-gas swaps.
GDP 3.3.2Where outside air reaches in.
WHO TRS 961Risk-based interval.
Annex 15Records checked, gaps listed.
GDP · GMP
qualification and mapping projects across EMEA, before C3, at Sensitech (Carrier).
“Technically excellent, and easy to work with. Yaro took time to understand our sites and our people before proposing anything. That built trust quickly.”

Previous employer's clients, not C3 clients







Calls and documents in English, German or Dutch.
Take the checklist or the service catalogue. One email, PDF.
Anything else? Ask on the call.
Cold room: 24 to 72 hours. Ambient storage: at least 7 days. The protocol sets the exact duration.
WHO TRS 961 Annex 9, Suppl. 8IQ: installed as specified. OQ: works within limits across its range. PQ: performs under real conditions, like a loaded cold room.
EU GMP Annex 15Yes. Before first use, then by risk assessment or after significant changes.
EU GDP 2013/C 343/01, 3.2.1After significant changes and at a risk-based interval. Most sites map in summer and winter.
EU GDP 3.2.1 · WHO TRS 961Sensors stay in place and keep proving the whole space is in range, so a separate re-mapping study may not be needed.
Calibration checks an instrument against a traceable reference. Qualification proves a room or unit is fit for use.
EU GDP 3.3 · 3.3.2No. We do the work and write the documents. Approval stays with your QA and the authority.
DACH, Benelux, the Nordics, Portugal, Spain, Ireland and the UK.
30 minutes. No sales deck. A clear next step.
At UtrechtInc on Utrecht Science Park.