Do you remember when safety felt like something you didn’t have to think about?
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We do. And we remember the moment when that changed.
Over 15 years ago, we began our work in structural security. Back then, threats were visible — break‑ins, vandalism, physical attacks. Solutions were straightforward: thicker glass, stronger bars, heavier structures.
But the world evolved.
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Today, our clients face threats you can’t see: electronic eavesdropping, signal intelligence, cyber‑physical attacks. And the traditional threats — armed assaults, explosive risks, organized crime — haven’t disappeared. They’ve simply become more sophisticated.
That’s why we expanded our expertise to cover both physical protection and signal protection.
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Why clients trust us
Because in this field, trust isn’t a slogan — it’s the foundation.
Most of our references are confidential.
That says more about our clients than any public list could.
And the same principle applies to you: every conversation stays between us unless agreed otherwise.
Your information is safe with us — it’s the core of what we do.
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Our promise has been the same since day one: we support you through the entire process, from planning to installation.
Below you will find links to our products
Ota yhteyttä / Contact us
Helsingin Network Service Oy c/o Hammerglass Finland
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Y-tunnus / Company ID : 0975381-8
VAT ID: FI0975381
NATO NCAGE: A0KKG​
Käyntiosoite / Visiting Adress: Wolffintie 36 F2, 65200, Vaasa, Finland
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Aukioloaika Ma-Pe / Operating hours Mon-Fri (UTC+02:00) 09:00-17:00
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Puh / Tel. +358 (0)50 325 6996
E-mail: anton.salmi (at) hmgfinland.fi

