Muehlhan Wind Service specializes in onshore and offshore wind turbine maintenance, repair, and installation worldwide. We partner with OEMs and wind farm owners to ensure optimal performance, delivering safe, high-quality, and innovative solutions that keep renewable energy moving forward. With a presence in 40+ countries worldwide, we’re here to make a difference for you.

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What we value
Our people
Our legacy
Slettes

Our people define us. Our values shape everything we do: from excellence and integrity to respect and reliability. These principles empower our teams to deliver safely, consistently, and with pride everywhere we operate.

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Explore our divisions and business units
All divisions16
Installation Services3
Main services4
Electrical Services3
Specialty Services6
Business Unit
Major Comp. Exchange
Services
Major component exchange, Major component retrofit, Repowering & decommissioning, Associated crane & transport logistics
Business Unit
Offshore Installation
Services
Pre-Assembly Offshore Installation Snagging / Punch-List
Regions
NOR, CEN, BRI, SOUTH, EAS, CAN
Business Unit
Onshore Installation
Statutory Inspections
Business Unit
Manpower Solutions
Service
Blades
Consulting
Business Unit
Medium & High Voltage
Electrical commissioning
Services
Pre-Assembly Onshore Installation Snagging / Punch-List
Regions
NOR, CEN, BRI, SOUTH, EAS, CAN
Training
Recruitment
Oil Exchange
Welding
Special Projects
Paint & Steelwork
Trusted by leading global OEMs

Health, Safety, Environment, and Quality (HSEQ) are at the core of everything we do. Our ISO 9001, 14001, and 45001 certifications, along with DS2320 and VCA, reflect our commitment to continuous improvement and responsible operations. We foster a strong safety culture through training, hazard awareness, and knowledge sharing. By aligning our strategy with the UN Sustainable Development Goals, we strive to make a positive impact on our people, customers, and the planet.

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A sustainability text here about some numbers
69%
We recognize our responsibility to address the environmental and social challenges posed by our activities.
Technicians
3,000

Our extensive pool of technicians and inspectors covers almost every corner of the world, delivering high-quality service to wind energy customers through 12 business units in more than 35 countries. Wherever your wind project takes you, we will deploy the right team with the right skills to ensure success.

All
24
North America
5
South America
3
Europe
6
Africa
3
Asia
5
Oceania
2

The Muehlhan Group serves as the parent company for a network of over
30 affiliated entities, both directly and indirectly held, with a workforce of
around 4,000 individuals operating in more than 40 countries worldwide.
The primary focus of the group’s operations is North America and Europe

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Our culture

Our people are the driving force behind every solution and every success.

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Find the right contact person

As your dedicated wind service partner, we’re committed to providing tailored solutions for all your needs. Whether you have questions, need expert advice, or require specialized support, we’re here to help.