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.










29 April 2022
Expansion of the Executive Board of VIEROL AG

  With effect from 01.05.2022, Mr. Thierry Delesalle will strengthen VIEROL AG as a member of the Executive Board for the business areas “New Business Development”, “New Customer Acquisition” and “Strategic Sales”. Mr Delesalle has already been working as Senior Manager “Strategy Business Development” at VIEROL AG since 01.09.2020 and has successfully implemented sales strategies […] Read more


06 April 2022
VIEROL supports humanitarian aid for Ukraine

  With a fundraising campaign, VIEROL AG wants to send a signal of solidarity and help those who have fled the war in Ukraine. As an international trading company, VIEROL AG lives and works by the principle that challenges can only be solved together. Especially in times of crisis, cohesion and support are particularly important. […] Read more


20 December 2021
Review of the year 2021

  Rarely has a year been so full of challenges and also associated with so many trailblazing milestones for VIEROL AG! As in 2020 before it, 2021 was dominated by the pandemic. The year was shaped by Covid measures, raw material and supply chain bottlenecks and travel restrictions, but also by many bright spots and […] Read more


15 October 2021
VIEROL AG opens new logistics centre WERK II

  Modern logistics concepts, expanded storage capacities and a high degree of automation will ensure increasing efficiency of the work processes in the future in the supply of spare parts to the worldwide trade customers. After only one year of construction, VIEROL AG has ceremoniously opened its new logistics centre in Rastede. The expansion through […] Read more


10 September 2021
VIEROL acquires officer’s mess with around 68,000 m² at the Zwischenahner Meer

  • A variety of utilisation concepts are planned in the middle of the extensive lakeside property in the spa town of Bad Zwischenahn • Further investments of up to 4 million euros flow into the overall project VIEROL AG has signed a purchase agreement for the officers’ mess and the associated grounds. “We are […] 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 (right), Deputy Chairman, joined the company in 1995 and is responsible for the Sales and Marketing division of the board. Since July 2019, Michael Krone (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.

„Innovation is no guarantee against failure, but without innovation failure is guaranteed.“

– Stefan R. Munz

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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