Our company history


Over 30 years of reliable safety

Since 1993, PERMALUX has stood for comprehensive safety solutions and reliability.

Our mission to develop and optimise these solutions has made us a preferred partner for demanding customers.

We understand safety holistically and therefore offer full-service, which includes consulting, high-quality products, and maintenance.

Our team of 70 dedicated professionals is committed to the development and production of safety and emergency technologies.

This interdisciplinary collaboration within our company culture enables us to offer customised safety and emergency systems tailored to the specific needs of our customers.


Foundation of the company in Barsbüttel by Gunnar and Esther Krokeide



Start of a long-term partnership with Lufthansa Technik AG supplying photoluminescent escape route systems for aircraft cabins



Development of the first photoluminescent low location lighting system for passenger shipping



First installation of a photoluminescent low location lighting system on a cruise ship



Introduction of Guideline® Colour Fit coloured photoluminescent guidance system for aviation



Launch of the emergency power sector with emergency lighting, UPS systems, backup power systems and service & maintenance



Relocation to the new offices at "Am Hopfenbach 3" in Ahrensburg



Further development and certification of the Low Location Lighting Guideline® Maritime Systems



Thomas Da Ronch and Lars Diestel become new owners and managing directors



Introduction of the new PERMALUX logo and rebranding of the corporate identity



Expansion of the service team and digitalisation of service delivery



Significant expansion of the backup power systems division



The number of employees exceeds 70



We celebrate the 30th anniversary
Launch of our new website


Certified quality for safety


We consistently offer our customers reliability and high quality in consulting, service, and products.

Our in-house and externally monitored quality management ensures you can rely on us.

Regular certifications and validations by independent testing institutes mean you can trust our quality.


Our company is certified according to ISO 9001 and EN 9100, meeting not only general quality requirements but also the specific needs of products used in sensitive areas such as aviation, aerospace, maritime, and defence.

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As an EN 9100-certified manufacturer, P.E.R. Flucht- und Rettungsleitsysteme GmbH is registered in the OASIS database.

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Our products are MED certified for the maritime sector and have a Quality Assurance System certificate from BG Verkehr/Schiffssicherheit, ensuring their approval for use on ships of EU member states and countries applying the current Marine Equipment Directive. We are also certified to measure the luminance of Low Location Lighting systems on board.

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PERMALUX stands for

  • Over 70 dedicated employees
  • Development and production at the Ahrensburg site
  • Certified quality through ISO 9001 and EN 9100
  • MED certified products for the maritime sector
  • Specialised in demanding industries such as aviation, maritime, and automotive
  • Trusted partnership with industry leaders
  • Customer validated reliability and quality

Since 2018, Lars Diestel and Thomas Da Ronch have led the company as managing partners.

Thomas Da Ronch is an experienced electrical engineer and expert in machine safety. Lars Diestel is an industrial engineer with extensive experience in safety technology.

Both lead PERMALUX with a vision of innovation and customer focus.

Logo Cruise Ship Interiors

Our portfolio includes everything needed for the safety equipment of buildings, ships, and aircraft. From emergency and safety lighting to associated escape route and fire service plans to safety signage and people guidance systems – we offer integrated solutions from a single source.

Our expertise ranges from small UPS systems to powerful backup power systems. Our dedicated service team ensures regular maintenance and quick troubleshooting.

The name P.E.R. has stood for "PERMALUX Escape Routes" since its founding, reflecting our philosophy: ensuring continuous lighting and power supply in emergency situations to guarantee safe escape routes.

Our logo represents our diverse products and services – a symbol of our comprehensive expertise. PERMALUX is more than a name – it is a promise of safety, innovation, and reliability that we make to our customers every day.


Student Assistant (m/f/d) Electrical Engineering PERMALUX

Student Assistant (m/f/d) Electrical Engineering

Start immediatelyAhrensburgWorking studentProject planning

Service Technician Electrical Engineering (m/f/d) PERMALUX

Service Technician Electrical Engineering (m/f/d)

Start immediatelyGreater Hamburg areaFull-timeService

Service Technician Electrical Engineering (m/f/d) PERMALUX

Service Technician Electrical Engineering (m/f/d)

Start immediatelyLower Saxony, Saxony-AnhaltFull-timeService

Latest news

Sporty summer party for the 30th anniversary PERMALUX

Sporty summer party for the 30th anniversary


Have you ever seen your colleagues and bosses with a fish or a devil's horns on their heads? The photo box at our summer party made it possible. But this wasn't the only place where we had fun. In bright sunny weather, we celebrated the 30th anniversary of PERMALUX together with our families at an entertaining…

Bildschirm mit der neuen Website von PERMALUX PERMALUX

PERMALUX launched a new website


Have you noticed? Our new website is online! Just in time for PERMALUX's 30th anniversary, our website has been given a fresh, modern design and a user-friendly structure. Due to the great teamwork with the creative minds and technical experts of artseid from Travemünde and Netzhirsch from Bad Schwartau,…

IT specialists are also retiring PERMALUX

IT specialists are also retiring


Last month, in bright sunshine, we bid farewell to our long-serving colleague Ralf on his well-deserved retirement. After around 30 years, our IT specialist has now passed on responsibility for this very important area of work. Whether there were problems with the hardware or software, he was always…

Successful days at Seatrade Cruise Global in Miami PERMALUX

Successful days at Seatrade Cruise Global in Miami


It was our first time exhibiting at Seatrade Cruise Global in Miami - and it was great! What a fantastic event with lots of new contacts and great opportunities to showcase the latest designs of our photoluminescent safety guidance system Guideline Premium® as well as our sustainable approach using recycled…

Contact & location information

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Am Hopfenbach 3
22926 Ahrensburg

+49 4102 4667 - 0 


P.E.R. Flucht- und Rettungsleitsysteme GmbH

Am Hopfenbach 3
22926 Ahrensburg

Phone:+49 4102 4667 - 0 Fax:+49 4102 4667 - 99 Email:info@permalux.com