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QUALITY standards

Customer satisfaction, safety and sustainability


We operate various management systems to ensure that our services meet high standards of quality, occupational safety and environmental protection.

To ensure maximum customer satisfaction, safety and sustainability, our extensive management systems are subject to regular internal and external audits. All Klüh’s divisions and branches have implemented the management systems and operate conscientiously in compliance with these standards.

The high degree of responsibility displayed by Klüh is reflected in our quality and environmental management.


EN ISO 9001
PDF 700 kb
EN ISO 14001
PDF 600 kb
EN ISO 45001
PDF 690 kb
EN ISO 50001
PDF690 kb
SCC Regulations
PDF 1.42 MB
DIN 77200
PDF 1.23 MB
EN ISO 13549
PDF 1.20 MB
CO2 Emissions
PDF 260 KB
DIN EN ISO 13485
PDF 630 KB

The divisions are certified to DIN EN ISO 9001 (quality management system), DIN EN ISO 14001 (environmental management system), DIN EN ISO 50001 (energy management system) and DIN EN ISO 45001 (occupational health and safety management system).

Through its management system for occupational safety, health and environmental protection in accordance with SCC regulations, Klüh ensures the safety of its employees and the environment. The Security Division is additionally certified to DIN 77200-1:2017.

As a quality service provider, Klüh Security was one of the first companies in the industry to obtain this certification. The division also operates an intervention unit recognised by VdS, Germany’s prestigious security institution.

Our innovative DigiClean® quality management tool is certified to DIN EN ISO 13549 (Cleaning services – Basic requirements and recommendations for quality measuring systems); by using climate-neutral rubbish bags, Klüh is actively reducing CO2 emissions.

Transparent Quality

Corporate responsibility, value-based business practices and the consistent high quality of our services are important to us.

In order to sustain this approach every day, we set ourselves high standards that go beyond what is required by law. For Klüh, regular internal and external audits are essential to ensuring transparency. Below please find our operating and management principles and various reports about the sustainable quality management of our services.

Management PrinciplesDownload PDF
Klüh Code of ConductDownload PDF
Quality Mission StatementDownload PDF
Occupational Health and Safety PolicyDownload PDF
Environmental and Energy PolicyDownload PDF
Purchasing terms and conditionsDownload PDF
Supplier Code of ConductDownload PDF


Our Memberships

We are a member of ISSA – The Worldwide Cleaning Industry Association and hold one of the ten seats on the body’s Innovation & Education Committee. With 9,300 members, ISSA is the leading international trade association for the cleaning industry. Our membership helps us to improve efficiency and acquire new knowledge, benefiting our clients around the world.

We are a member of GEFMA, the German Facility Management Association. Around 56% of the body’s 1,000-strong membership is made up of facility management customers; the remaining 44% are facility management service providers. GEFMA is an industry-leading and market-defining institution that sets standards, builds stronger networks and generates knowledge.

The Bundesverband der Sicherheitswirtschaft (BDSW) is the industry and employers’ association which represents the interests of the security industry in dealings with government and authorities, businesses and academia. With some 265,000 employees, the security industry makes an essential contribution to Germany’s domestic security.

The Bundesverband der Luftsicherheitsunternehmen (BDLS) is the organisation that currently represents 32 companies which focus on providing the comprehensive aviation and airport security services specified by Germany’s Aviation Security Act (Luftsicherheitsgesetz, LuftSiG) for aviation security authorities (section 5 LuftSiG), airport operators (section 8 LuftSiG) and airlines (sections 9 and 9a LuftSiG).

We support the European Chicken Commitment and implement the criteria it defines.In the context of this initiative, more than 30 European NGOs jointly developed minimum requirements for broiler chickens that address the most serious animal welfare issues.

The Institute of Culinary Art (ICA) is Germany’s primary catering industry network with 350 market-leading member companies and a strong partnership with 21 of the country’s main industry associations. It provides a diverse portfolio of networking, information, advisory and service offerings aimed at developing awareness of the value creation chain in the food service industry.

United Against Waste e. V. is an initiative for the food industry. Together with its more than 100 members, the organisation provides practical solutions that demonstrate how to save money and valuable resources by reducing food waste.

ProVeg International is a food awareness organization working to transform the global food system by replacing animal-based products with plant-based and cultured alternatives.

Veganuary is a non-profit organisation that encourages people worldwide to try vegan for January and beyond. Veganuary aims to make powerful strides toward a world where vegan is the norm rather than the exception.

Eaternity is the organization developing a solution for the food industry to measure exactly and efficiently the environmental footprint of food products. To enable smart decisions for the benefit of people, planet and profit.

Vytal is a non-deposit digital multiuse system that provides smart and high-quality multiuse packaging for take-out food and beverages. With a return rate of 99.3% and a return time of less than four days, Vytal is more efficient than Germany’s deposit system for bottles.