Guldager is now ISO 9001 and ISO 14001 certified
We have reached an important milestone at Guldager: We have been certified under ISO 9001:2015 for quality management and ISO 14001:2015 for environmental management. Quality, responsibility, and…
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Guldager A/S specializes in water treatment. We draw on many decades of experience and the very latest knowledge and technology. Every day, we provide clean and efficient service and process water for the HORECA sector, industry, and the offshore sector, among others.
Guldager offers all types of corrosion protection and water treatment for potable water, industrial process water, and offshore applications. Guldager also has an extensive service network in Denmark.
Guldager is a signatory to the UN Global Compact, which means that our actions are guided by its principles regarding human rights, labor standards, the environment, and the prevention of corruption.
CASE STUDY:
No head chef wants to see their flight-type dishwasher break down in the middle of hosting a major conference.
Guldager has therefore installed a “UniRO 400” membrane filtration system at a large hotel in Copenhagen. Before the system, the calcium is removed from the water using a “UniSoft®” water softening system.
By connecting the two systems in series, Guldager ensures that lime-free, ultra-pure water is always available for the hotel’s kitchen and various dishwashers.

We have reached an important milestone at Guldager: We have been certified under ISO 9001:2015 for quality management and ISO 14001:2015 for environmental management. Quality, responsibility, and…
Together we make a difference – also in 2026! Most people know someone who has been affected by cancer. A colleague, a family member, a friend. Someone,…
Use our chat function here on the website or contact us at +45 48 13 44 00 if you have any questions or wish for a visit from our consultants.
Our service center is also in contact with our service vehicles if you need system servicing or emergency assistance.
