Industriemontage sowie Reparatur- und Instandhaltungsarbeiten
International.
Flexible.
Reliable.
ISI Industrie Service International GmbH was founded in 2007 by Olaf Hintze and is headquartered in Soltau, Germany. With around 180 highly qualified employees, we provide companies with a comprehensive range of services including industrial plant installation, dismantling and reassembly, maintenance and servicing, as well as electrical installation projects.
The consistently high quality of our work and our strong commitment to customer satisfaction have established us as a leading service provider in the industrial sector. In addition to Germany, we operate internationally in numerous countries including Austria, Switzerland, France, Belgium, the United Kingdom, Ireland, Italy, Hungary, Bulgaria, Spain, the Netherlands and South Africa. This international presence enables us to support clients worldwide across multiple industrial sectors.
We specialize in a wide range of industries, including:
- Wood-based materials
- Cement, concrete, and asphalt
- Pulp
- Paper
- Steel
For each sector, we deliver tailored industrial service solutions designed to meet specific operational requirements, safety standards, and performance expectations.
OUR GUIDING PRINCIPLE
„Absolute and lasting reliability is the foundation of successfully leading a company.“
Precise. On schedule. Professional.
Ready for large-scale industrial projects across Europe and beyond.
Strong together
Together with our subsidiary ESI and a combined workforce of approximately 180 employees, we continue to expand our service portfolio and strengthen our industrial market presence. ISI and ESI form a powerful team delivering technical excellence and first-class mechanical and electrical industrial services.
Over 15 years of industrial excellence
In 2022, we celebrated our 15th anniversary. Over the years, we have built an excellent reputation based on reliability, innovation and consistently high service quality. With extensive industry experience and a clear commitment to excellence, we remain a trusted partner for industrial installation and maintenance projects.
An attractive employer
We place great value on a respectful and trusting working environment characterized by mutual appreciation. Flat hierarchies, open communication and strong leadership accessibility create positive working conditions — ultimately benefiting both our employees and our customers.
ISI at a glance
Approx. 180 employees
Around 180 highly qualified professionals ensure reliable project execution and maximum customer satisfaction.
Projects in 12+ countries
We regularly deliver industrial installation and service projects in more than 12 countries worldwide.
Founded in 2007
ISI was established in 2007, building on more than 20 years of prior experience in industrial assembly and technical services.
Combined expertise with a strong partner
In recent years, we have experienced significant growth — along with increasingly complex project requirements. Nevertheless, our core values remain unchanged: flexibility, quality, efficiency, adherence to deadlines and absolute reliability continue to be our highest priorities.
In February 2025, our former subsidiary Plan B Industrieservice GmbH (PBI) was merged into ISI. ISI had already been the sole shareholder of PBI since October 2021, following many years of close collaboration. This merger consolidates decades of expertise within a single organization, positioning us strongly for the future.
With approximately 180 employees, a fleet of around 120 company vehicles and 2,700 m² of office and warehouse space across two German locations, we are well equipped to serve industrial clients efficiently and reliably.
Together with our subsidiary ESI, ISI provides a full-service solution for international industrial installation projects. With approximately 180 employees across the group, we can respond flexibly and deliver optimal solutions for projects of any scale..
ESI is a specialized service provider focusing on electrical dismantling, reassembly, and installation within industrial environments. Our team is fully equipped and prepared to execute projects of various sizes throughout Europe..
Looking for a reliable partner for your next industrial project?