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.










15 November 2019
Early extension: VIEROL expands multi-year commitment to EWE Baskets

The basketball season only started a few weeks ago and there is already a special kind of success story to report: EWE Baskets Oldenburg and its exclusive partner, VIEROL AG, have agreed on a multi-year extension. Successful partnership between VIEROL and EWE BASKETS Actually, the current contract does not expire yet, but due to the […] Read more


29 October 2019
VIEROL is one of Germany’s best trainers

Training at VIEROL is one of the best in Germany – according to the study “Germany’s Best Trainers” conducted by the business magazine Capital (issue 11/2019). The training at VIEROL was examined in detail. In order to participate in the study, a detailed questionnaire with more than 90 questions had to be processed and submitted. […] Read more


01 October 2019
Ground-breaking ceremony at VIEROL on Karlstraße

With the active support of the Lord Mayor of Oldenburg, Mr. Krogmann, the Managing Director of Kuhlmann Bauunternehmen, Mr. Hillmer and our architect, Mr. Schmied, the official ground-breaking ceremony for the extension of our company headquarters took place on 1.10.2019! We are excited to see how the construction phase will develop over the next 14 […] Read more


09 July 2019
New board member: Michael Krone

Mr Krone took up his position as a new member of the Management Board for IT and Logistics on 1 July 2019. He will strengthen our team with his many years of industry experience and outstanding professional competence, shape the strategic IT orientation of our company for the future and implement new logistics projects. We […] Read more


05 June 2019
Training company awarded: TOP EDUCATION at VIEROL

  VIEROL is one of the best education companies in Lower Saxony. With the TOP EDUCATION quality seal, the high quality of training at VIEROL was confirmed by the Oldenburg Chamber of Industry and Commerce (IHK). The certificate for the training seal was presented by Stefan Bünting, Head of Training and Further Education, and Anja […] 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 (2nd from right), Deputy Chairman, joined the company in 1995 and is responsible for the Sales and Marketing division of the board. Jürgen K. Kiese (1st from right) has been at VIEROL AG since 1992. As another member of the board, he is responsible for the Logistics and IT areas. Since July 2019, Michael Krone (1st from left) has strengthened the management team as a new member of the board for IT and Logistics.

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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