Quality · Legality · Reliability
Attestations and
Attestations and
Certifications
Key4 S.r.l. operates with the most important quality, legality and technical-economic certifications, guaranteeing its clients maximum reliability and transparency.
01
SOA Attestation
SOA Attestation in the following categories:
- Category OG1 class II – Civil and industrial buildings
- Category OS4 class I – Electromechanical conveyor systems
- Category OS19 class I – Telecommunication and data transmission network systems
- Category OS30 class II – Internal electrical, telephone, radiotelephone and television systems
03
White List Registration
Registration in the White List of the Prefecture — list of suppliers, service providers and contractors not subject to mafia infiltration attempts.
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04
Legality Rating ★++
Recognition awarded by the Italian Competition Authority (AGCM) to companies operating in compliance with high standards of legality, transparency and correctness in business management.
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For information about our certifications or to work with us, contact us directly.
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