Our quality management system helps us learn from mistakes - only when we identify improvement potentials at an early stage, can we realize them. For this purpose, every global network partner is committed to the minimum standards defined below.
WTS worldwide
- Albania
- Algeria
- Angola
- Argentina
- Armenia
- Australia
- Austria
- Bangladesh
- Belgium
- Benin
- Bolivia
- Bosnia & Herzegovina
- Botswana
- Brazil
- Bulgaria
- Burkina Faso
- Burundi
- Cambodia
- Cameroon
- Canada
- Cape Verde
- Central African Republic
- Chad
- Chile
- China
- Colombia
- Congo Brazzaville
- Costa Rica
- Croatia
- Cyprus
- Czech Republic
- Democratic Republic of Congo
- Denmark
- Dominican Republic
- Ecuador
- Egypt
- El Salvador
- Equatorial Guinea
- Estonia
- Eswatini
- Ethiopia
- Finland
- France
- Gabon
- Gambia
- Georgia
- Germany
- Ghana
- Gibraltar
- Greece
- Guatemala
- Guinea
- Guinea-Bissau
- Honduras
- Hong Kong
- Hungary
- Iceland
- India
- Indonesia
- Iran
- Iraq
- Ireland
- Israel
- Ivory Coast
- Japan
- Kazakhstan
- Kenya
- Korea
- Kyrgyzstan
- Laos
- Latvia
- Liberia
- Libya
- Lithuania
- Luxembourg
- Macao
- Madagascar
- Malawi
- Malaysia
- Mali
- Malta
- Mauritania
- Mauritius
- Mexico
- Moldova
- Montenegro
- Morocco
- Mozambique
- Myanmar
- Namibia
- Nepal
- Netherlands
- New Zealand
- Niger
- Nigeria
- North Macedonia
- Norway
- Pakistan
- Panama
- Paraguay
- Peru
- Philippines
- Poland
- Portugal
- Puerto Rico
- Romania
- Rwanda
- São Tomé and Príncipe
- Saudi Arabia
- Senegal
- Serbia
- Sierra Leone
- Singapore
- Slovakia
- Slovenia
- Somalia
- South Africa
- South Sudan
- Spain
- Sri Lanka
- Sudan
- Sweden
- Switzerland
- Taiwan
- Tanzania
- Thailand
- Togo
- Trinidad and Tobago
- Tunisia
- Turkey
- Turkmenistan
- Uganda
- Ukraine
- United Arab Emirates
- United Kingdom
- Uruguay
- USA
- Uzbekistan
- Venezuela
- Vietnam
- Zambia
- Zimbabwe