12.05.2026
KRYPTON II
The new generation of our headsets, KRYPTON II, is designed for professional use in control centers and other safety-critical work environments.
News – KRYPTON II
HOLMCO’s new generation headset, KRYPTON II, is designed for professional use in control centers and other safety-critical work environments. The headset impresses with maximum wearing comfort and excellent speech intelligibility – even during long periods of use.
The Company At a Glance
HOLMCO was founded in 1919 and has been family-owned since 1951. In the heart of Berlin, we develop and produce electroacoustic devices for professional use under demanding conditions.
Our family business, now in its third generation of owner-management, stands for openness, trust, reliability, loyalty, fairness, and cultural diversity.
At HOLMCO, dynamic transducers, microphones, headsets, and handsets for professional use are created using the highest quality standards. Our customers come from aviation, public transport and rail technology, public safety, control center technology, and defense.
Electroacoustic Products
Our products offer the highest speech intelligibility and reliable communication – especially under the most demanding and harsh operating conditions.
Made in Germany
From the idea to the market-ready product: All development and production steps take place at our location in Berlin.
Employees
200 employees ensure that our customers receive high-quality products adapted to their needs.
Highest Quality
We are certified according to DIN EN ISO 9100 and are an approved production and maintenance organization for aviation equipment according to EASA.
Sustainability
Through sustainable solutions and the continuous improvement of our processes, we ensure an efficient and future-oriented way of working.
Environmental Management
In 2019, we established an environmental management system according to DIN EN ISO 14001 and have been registered with the EcoVadis platform since 2021 (EcoVadis Silver 2025).
Our Business Areas
Aviation
Excellent speech intelligibility for air and ground
Defense
Reliable communication for protection and defense
Ship & Navy
Clear communication even in harsh conditions at sea
Public Safety
Securely networked in action
Public Transport & Rail
Reliable connection for road and rail
Control Centers
Precise planning and fast decision-making
Current News
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Certifications and Approvals
We hold numerous recognized certifications and approvals. As an approved aviation company, we are authorized to manufacture and maintain aviation products. Recognized by EASA, product development at HOLMCO already follows ETSO standards.
EN ISO 9100
(includes DIN EN ISO 9001)
EU Directive 2014/34/EU
(Ex Protection)
DIN EN ISO 14001
Approved Production Organization
EASA Part 21G
Approved Maintenance Organization
EASA Part 145
Aircraft Audio Systems and Equipment
ETSO-139a
EASA Part IS – Regulations (EU) 2023/203
Annex II and (EU) 2022/1645 Annex
Registrations
EcoVadis Silver 2025
https://www.recognition.ecovadis.com
Science Based Targets initiative (SBTi)
https://www.sciencebasedtargets.org
IHK Climate Protection Business Network
https://www.klima-plattform.de
CAGE-Code D9240
Defense and Security Sector
KnoxID KNOX3159944
nsKnox
D-U-N-S 31-677-3456
Dun & Bradstreet
Network
BDLI
Federal Association of the German Aerospace Industry
https://www.bdli.de
Fachverband Leitstellen e. V. (Control Center Association)
https://www.fvlst.de
PMeV
Federal Association of Professional Mobile Radio e.V.
https://www.pmev.de