Welcome to lethe-bremen.de

On these pages you find general information on Lethe Exterior Doors GmbH, one of the most successful suppliers of hinged and sliding doors for megayacht shipyards.

Our customers demand highest standards of exclusiveness and individuality. You are cordially invited to look at our great variety of products, which are always unique and never off-the-shelf. You can also scroll through our history, check out our references, get an impression of the team that makes up Lethe Exterior Doors GmbH, and find out much more. Please enjoy skipping through our website.

Current News


Get into the running shoes and straight to the B2Run company run contest in Bremen.
In spite of heavy rain, lightning, thunder and a number of changes in the starting time, our employees have again successfully finished in the Weserstadion this year, proving their team spirit again.

News from: 20.06.2017


ISO 9001: 2015

During spring 2017, Lethe Exterior Doors GmbH was successfully audited as part of the Lethe group.
We are pleased to be available to you as an ISO 9001: 2015 certified company since March 2017.

News from: 29.03.2017


Lethe Bremen moves

On June 30, 2015 the second B2RUN company run took place and the Lethe exterior doors group was a starter.

With fantastic weather 23 of our employees ran successfully for the good cause.

We are pleased that all employees have come to the finish with a good time and congratulate them.

News from: 03.07.2015



To 1st January 2015 Jörg Blumentritt sold HGB GmbH to the Lethe Group. However he is still acting as Managing Director. By merging our company grow up and will become an increasingly strong partner in the yachting industry suppliers.

» Lethe Homepage

News from: 13.02.2015


Innovation Award

The HGB GmbH has been nominated for the Innovation Award of the ARTIE!

» ARTIE-Innovation Award

News from: 28.10.2014


METS 2014

For the first time we will present our products at the world’s biggest trade show for yacht equipment – the METS!

News from: 07.10.2014


HGB moves

At the B2RUN company run HGB was a starter.

» read more

News from: 10.06.2014


Door Control XV102-S7

Newly designed door control with digital touch panel makes many new functions possible

» read more

News from: 23.04.2014


New push button generation

Newly developed piezo push button red ring illuminated in 1.4462

» For further information, click here

News from: 20.02.2014


Individual and secure!

New in our product range:

fire doors

» For further information, click here

News from: 07.11.2013


Our Team

Team: HBG