DOCO International B.V.

+31 (0)46 420 06 66

Strong together, successful together, shaping the future together About DOCO

DOCO is a member of the SOMMER Group. Success does not come from a single person or company. The SOMMER Group’s core belief is that you can only be successful over the long term as a group. Each member of the SOMMER Group is a leading player in the (sectional) door industry. All this knowledge and expertise is pooled within the group. Together, we develop control equipment for residential and industrial doors, and we develop and produce all the requisite parts. 

The SOMMER Group stands on solid foundations

As a group, we are committed to creating high-quality products and services that offer our customers significant benefits over other suppliers. Our knowledge and experience enables us to offer the best solutions to suppliers and installers in the door industry. At a fair price. 

We support our customers in growing their business. On every level; from selecting the right suppliers to supporting our customers' marketing strategy. 

The bedrock of SOMMER’s success is its more than 650 employees. Together, we achieve growth and offer the best customer support. Our sales department guarantees that SOMMER Group products are available worldwide. Add to this our extensive network of partners, and it's clear that the SOMMER Group is a solid company. 

SOMMER Antriebs- und Funktechnik GmbH

SOMMER is a leading manufacturer of operators and remote controls in Europe. Their reliable technology moves garage doors, swing and sliding gates, shutters and awnings. SOMMER attaches great importance to high quality and excellent service. 

Hans-Böckler-Str. 27
D-73230 Kirchheim/Teck

DOCO International B.V.

We have been a member of the SOMMER Group since October 2013. DOCO develops, tests, produces and supplies components and systems for residential and industrial sectional doors.

Nusterweg 96
NL-6130 AK Sittard

Groke Türen und Tore GmbH

In 2004, Groke Türen und Tore GmbH became part of the SOMMER Group. Groke is a pioneer in the German aluminium industry. The company is one of the leading manufacturers in the construction sector, and manufactures aluminium access doors in many timeless, modern designs and colours.

Wikinger Str. 10
D-76189 Karlsruhe


APERTO is a specialist supplier of automatic operators. They have been a leading player in the DIY segment for many years.

Hans-Böckler-Str. 29
73230 Kirchheim unter Teck


metaku Metall- und Kunststoffbau GmbH

Metaku has been part of the SOMMER Group since 2019. This German company is the specialist for the production of entrance door panels. Because of the collaboration, even more design variety of our doors is made possible.

Am Bachmann 5
D-34479 Breuna

Triebenbacher Betriebsgesellschaft mbH

In 2020, Triebenbacher became part of the SOMMER Group. The product range includes: glass technology, stainless steel, wrought iron, gates and components, drive technology, barriers, radio technology, biometrics, smart homes, doors, canopies, letterbox and parcel box.

Am Werbering 3
D-85551 Kirchheim bei München

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