Vehicle parts by VIEROL - We provide mobility.

VIEROL AG is an internationally successful specialist for electronic components and engine management in the automotive sector. We supply more than 50,000 high-quality vehicle parts to 125 countries on all continents. Automotive professionals rely on the product portfolio of the quality brands VEMO, VAICO and ACKOJA. The product range includes conventional vehicle parts - the heart of the automobile - from engine and transmission to emission-reducing components and modern electric and hybrid vehicle components. You can find our high quality products in our VIEROL webshop.

Green Mobility Solutions

Repair solutions for electric and hybrid vehicles contribute to sustainable maintenance and are an important step towards an environmentally friendly future of mobility. We offer high-quality components and repair solutions specifically for electric and hybrid vehicles that help to reduce the CO2 footprint and minimise the environmental impact of road traffic. In addition, VIEROL-ACADEMY supports workshops on their way to the mobility transition with technical training.

As an owner-managed family business with headquarters in Oldenburg and branches in Shanghai, Singapore and Warsaw, VIEROL is both a developer and provider of holistic repair solutions and guarantees worldwide mobility with its automotive spare parts.












VIEROL AG awards


10 April 2024
VIEROL in pole position – new DTM partner

VIEROL AG, an innovative and internationally successful specialist for electronic components and engine management in the automotive sector, has become the official partner of the popular German Touring Car Masters (DTM) racing series. In the coming season, the DTM will be represented with a total of eight events and 16 races in Germany, the Netherlands […] Read more


04 January 2024
Growing internationally

HypoVereinsbank, which has more than 15 million customers worldwide and is part of UniCredit, has launched a nationwide media campaign. VIEROL is part of the corporate customer presentation. Various interviews with Mrs Viertelhaus-Koschig have resulted in a great portrait with several videos about VIEROL. The campaign also includes two impressive adverts, which are placed in […] Read more


20 December 2023
VIEROL Christmas donation 2023: Together for the region

Once again this year, VIEROL AG is sending out a strong signal of solidarity and social responsibility by supporting charitable organisations in the Oldenburg/Ammerland region and beyond. The total amount of the Christmas donations amounts to 16,000 euros. A few weeks ago, the Management Board of VIEROL AG called on the teams to submit suggestions […] Read more


19 December 2023

In the cover story of the renowned trade journals AMZ and FREIE WERKSTATT, VAICO is spotlighted for its impressive performance in the field of transmission maintenance. The VAICO EXPERT KITS+ go far beyond conventional lubricants and offer a complete solution for professional oil changes on automatic transmissions. With first-class transmission oils “Made in Germany” and […] Read more


18 December 2023
Review of the year 2023

The year is drawing to a close. At VIEROL, we can look back on an eventful 2023 that was characterised by exciting developments and successful ventures. Together, we have reached milestones, created new solutions and broken new ground. With a committed workforce and inspiring events that brought us together as a team. Many changes, both […] 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. Since then, the Oldenburg-based company has grown continuously and become firmly established on 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 Board Member 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.

Read more ›


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