Vehicle parts from VIEROL: We provide mobility.

VIEROL AG is a successful international specialist for electronic components and engine management in the automotive sector. We deliver more than 43,000 high-quality vehicle parts in 125 countries on all continents. The product portfolio of our quality brands VEMO, VAICO and ACKOJA goes from EGR valves to timing belts. As an owner-managed, family company with its headquarters in Oldenburg, Germany, and subsidiaries in Shanghai and Singapore, we guarantee mobility worldwide with our automotive replacement parts.










13 June 2018
Inauguration of the VIEROL Academy

With 200 invited guests, the VIEROL Academy was officially opened on 10.06.2018 in the industrial area at the Oldenburg/Nord motorway junction. In her welcoming speech, Mrs. Viertelhaus-Koschig, CEO of VIEROL AG, thanked all craftsmen and service providers for the modern construction of the new training and presentation centre on the site of the VIEROL logistics […] Read more


05 June 2018
Automechanika Birmingham

From June 5 – 7, 2018 VIEROL AG will be exhibiting for the first time at Automechanika Birmingham, the leading trade fair for the automotive aftermarket in Great Britain. At booth K33 in hall 6 the latest additions of the quality brands VEMO, VAICO and ACKOJAP will be presented. Since 2015, the fair has been […] Read more


04 June 2018
VIEROL AG completes planning for the construction of a second logistics center in Rastede

The planning of a second logistics center in the industrial area “Autobahnkreuz Oldenburg-Nord” in Rastede (Lower Saxony) is now complete: construction will begin in the Fall 2018, and completion is scheduled for the Fall 2019. The rapid growth of VIEROL AG, in particular the increasing product range due to new product groups and technologies in […] Read more


03 June 2018
VIEROL sponsors the “Brunnenlauf” 2018

On Sunday, June 3, 2018, the 18th “Eversten Brunnelauf” run took place. VIEROL AG is an official sponsor of the run. 16 runners from VIEROL AG took part in the run and reached the sixth place in the team classifications.


12 December 2017
Change of leadership in the VIEROL Supervisory Board

On 1 January 2018, Dr Rolf Hollander, Chairman of the Board of Trustees of Neumüller CEWE Color Stiftung, a foundation in Oldenburg, will take over the Chair of the Supervisory Board of VIEROL AG. Previously the Deputy Chairman of the Supervisory Board, he was unanimously appointed in the Supervisory Board Meeting on 8 December 2017. […] Read more

We provide mobility in more than 125 countries. With leading German automotive engineering.

Success, that continues to carry us further: our three quality brands VEMO, VAICO and ACKOJA benefit from decades of experience of VIEROL AG in the international Independent Automotive Aftermarket.

Our History

VIEROL AG was founded in 1977 by Jürgen R. Viertelhaus. The Oldenburg-based company has grown continuously since then and has firmly established itself in the market as an international specialist for electronic components and engine management.

The Board of VIEROL AG - a successful company with strong leadership

Since January 1st, 2016, the family-owned company has been managed by Mirja Viertelhaus-Koschig, daughter of company founder Jürgen R. Viertelhaus.

„Our company’s success is based on the high level of commitment and the professional qualifications of our employees“

– says Mirja Viertelhaus-Koschig, CEO of VIEROL AG

Ulf R. Koschig, Deputy Chairman, joined the company in 1995 and is responsible for the Sales and Marketing division of the board. Jürgen K. Kiese has been at VIEROL AG since 1992. As another member of the board, he is responsible for the Logistics and IT areas.

Ulf R. Koschig – Deputy Chairman of VIEROL AG

Ulf R. Koschig has been active in a leading sales position at VIEROL AG since 1995. He has been responsible for the Sales and Marketing areas in the board since 2001. He is also the managing partner of VIEROL Asia Pte. Ltd.

„It is not the most intelligent company, or the company with the most capital that will do best in the era of digitalisation, but the one that can adapt to market changes and customer requirements.“

– says Ulf R. Koschig, Deputy Chairman of the Board of VIEROL AG

The company founder: Jürgen R. Viertelhaus

After a professional career in the international automotive business, Jürgen R. Viertelhaus founded VIEROL AG on 31 January 1977 in Rastede, Germany. The following decades saw many significant milestones being reached that very positively influenced the development of our medium-sized family company.

Profitable, financially sound, organisationally and strategically well positioned – VIEROL AG will also continue to master the business challenges in the coming years.

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