Rau GmbH: regional innovation, valued worldwide

Measuring devices for leak testing and tools for the roof

With more than 100 years of experience and shaped by the inventive spirit of the RAU family tradition, we offer you high-quality products.
Our test equipment and tools are a commitment to user-friendliness, practicality and quality “Made in Germany”.

Bild des Messgerätes Prüf- und Messgeräte - Rau Systems
World market leader
Excellent products
100+ years of innovation
Made in Germany
Family tradition
Testing devices & tinsmith tools

Discover our first-class range

Our products are at the side of craftsmen – whether high up on the roof or deep down in the boiler room.
They make work easier and help to create safe living spaces.
Our two main product ranges include

  • Measuring devices for leak testing pipes in buildings for plumbers, plant engineers and tradesmen in the HVAC sector
  • Sheet metal bending and folding tools for roofs and façades for tinsmiths, plumbers and sheet metal workers
What makes us unique

Discover our sophisticated solutions

We only manufacture products that are convincing in practical use.
That’s why they are designed to really help you in everyday life and set us apart from others.

Tools from craftsmen for craftsmen

Our products come from practical experience. That's why they are user-friendly, suitable for the construction site and well thought out down to the last detail.

Everything safely in one case

The measuring device and accessories are always stored safely, clearly and within easy reach. So you have everything you need with you and nothing gets lost.

Durable and robust

Our products are of high quality, reliable and optimized over decades. This makes them a loyal companion for a craftsman's lifetime.

The stars of our customers

Our most popular products

We sell our products exclusively through specialist dealers. You can also find selected accessories for the measuring devices in our RAU accessories store.
Rau GmbH - over 100 years of know-how

Tradition meets innovation

Rau GmbH is an owner-managed, medium-sized company, which is tradition-consciously managed in the fourth generation by M. Eng.
Frederik C. Rau.
Based in Meitingen near Augsburg in Bavaria, we are deeply rooted in our region. Originally developed from a tinsmith and plumbing business, our products are the result of decades of practical experience. As a pioneer in the manufacture of sheet metal bending tools and leak testers, we have developed groundbreaking solutions and hold numerous patents for our innovations

Family business

Founded in Augsburg in 1914, the RAU family business now operates internationally.

Tireless inventiveness

The thought "It has to be easier" inspired many inventions.

Made in Germany

All our products are manufactured in Germany and we give preference to regional partners.

Environmental protection

We are constantly striving to reduce our CO2 footprint with targeted measures.

Foto des Firmengebäudes der Firma Rau
Foto von dem Geschäftsführer Frederik Rau
Your satisfaction is important to us

What our customers say

Foto diverser Personen für die Kontaktbox von RAU

Do you like our products?

Become part of our satisfied customer family!
Our products are available exclusively from specialist dealers.
You can also find additional accessories for the measuring devices in our RAU accessories store.
Act now!