Welcome to HANS LEFFER GMBH & CO KG
For over 80 years, our commitment to precision and innovation has driven us to develop solutions for the most demanding industries – from energy to hydrogen infrastructure. This dedication is rooted in a clear mission and strong values that shape everything we do.
Our commitment: customized turnkey solutions.
Reliable, powerful, durable.
CEL
LENCE
Mission & Values
LEFFER is shaping the future of industry through technological excellence and customized solutions.
As a leading provider in mechanical engineering, pressure vessel and plant construction, as well as infrastructure projects, we create safe, high-performance, and sustainable systems for critical industries worldwide. Our highly qualified teams support the entire lifecycle—from planning through manufacturing and installation to maintenance. We rely on innovation, precision, and reliability to create lasting value—for our customers, society, and future generations.
Precision
Whether pile foundations for foundations and the construction of high-rise buildings, complex steel structures under extreme conditions, or pressure vessels and heat exchangers as the heart of industrial plants such as refineries – every component is manufactured with the utmost precision and care.
Our engineers and specialists plan, manufacture, and test using state-of-the-art measurement technology, digital process control, and clearly defined quality standards. This ensures that every product meets our customers’ requirements exactly – dimensionally accurate, reliable, and reproducible.
We think beyond tolerances – because every detail counts when the result has to be perfect.
Innovation
We develop technologies that set new standards—through digital processes, state-of-the-art manufacturing methods, and the continuous improvement of our products and services.
Together with our customers and employees, we are actively shaping the future of industrial applications. In doing so, we make targeted investments in future-oriented fields such as hydrogen technology—from production and storage to transportation—and thus contribute to the sustainable energy supply of tomorrow.
For us, innovation means seeing change as an opportunity: We combine engineering expertise with curiosity, experience with new ideas—and create solutions that will stand the test of time.
Reliability
LEFFER stands for reliability – in planning, manufacturing, and collaboration.
We deliver customized solutions that meet the highest quality and safety standards. Our customers can trust that their critical infrastructure will function sustainably and efficiently.
For us, reliability means taking responsibility – for the quality of our work and the safety and durability of our products.
LEFFER as a One-Stop-Shop
As a true one-stop shop, we design, manufacture, and test all systems entirely in-house. Every step – from design and manufacturing to assembly and final testing – is carried out by our qualified teams in Germany. This ensures the highest precision, safety, and consistent quality.
Our products support critical infrastructure around the world—from vibration-free foundation systems for skyscrapers and bridges to process plants that are essential for securing the energy supply of entire nations. Guided by sustainability, innovation, and adaptability, we are constantly shaping the technologies of the future.
As a family-owned business, we take pride in our heritage, our employees, and the trust our customers place in us.
LEFFER doesn’t just deliver products—we deliver trust, reliability, and long-term partnerships.

For us, quality is a responsibility – because reliability determines the value of a product.
Shall we start your project together?
News & Trade fairs
Creating Leading Solutions for Clean Energy
1st Place Energy-Scout-Campaign
LEFFER Heat Exchangers
LEFFER Casings
LEFFER x MINT 4 Saar