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.










12 July 2022
VIEROL rises to become a Northwest supporter

  Multi-year commitment to Baskets4Life e.V. Baskets4Life e.V. and VIEROL AG are expanding their joint commitment in the coming years. Thus, the B4L will receive further support for its social projects, as VIEROL will take on a significantly larger role from August and will move up from being a sponsor to a Northwest sponsor and […] Read more


06 July 2022
Premium data quality – TecAlliance certifies VIEROL as a “Premier Data Supplier”

  TecAlliance GmbH, provider of the leading spare parts catalogue system in the independent spare parts market, has certified the high-quality brands VEMO, VAICO and ACKOJA from VIEROL as providing excellent data quality, earning TecDoc certification as a Premier Data Supplier. The Premier Data Supplier title is awarded to data suppliers who meet the company’s […] Read more


09 June 2022
80th birthday of company founder Jürgen R. Viertelhaus

  Enthusiastic family entrepreneur and automobile fan celebrates with the staff in the new logistics centre WERK II The company founder doesn’t let that get in the way of his work: Jürgen R. Viertelhaus regularly visits the VIEROL headquarters in Oldenburg. As a passionate foreign trade merchant, Jürgen R. Viertelhaus has dedicated himself heart and […] Read more


Courses for refugee women – VIEROL and the VHS cooperate in good neighbourliness

In February, many people from Ukraine began fleeing the war in their homeland. To make it easier for the refugees to arrive in Germany, a language learning format funded by the federal government was expanded and has been implemented at Oldenburg Adult Education Centre since the beginning of May. The MiA programme stands for “Migrantinnen […] Read more


19 May 2022
VIEROL is new main sponsor

  Previous exclusive partner expands commitment to EWE Baskets Oldenburg A long-standing, successful partnership is entering the next stage of expansion: VIEROL AG is expanding its commitment to EWE Baskets Oldenburg and joining the circle of main sponsors for the upcoming 2022/2023 season. VIEROL was already present as an exclusive partner with its logo on […] 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. Thierry Delesalle (not pictured) is the new Executive Board member responsible for New Business Development, New Customer Acquisition and Strategic Sales with effect from 01.05.2022.

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.

Read more ›


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