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 50,000 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, Singapore and Warsaw we guarantee mobility worldwide with our automotive parts.










06 June 2023
Car Workshop 4.0

  Take a look into the future together and experience innovation. At an event at the Academy, the team of the Autowerkstatt 4.0 project presented the current research on AI-supported vehicle diagnostics. In addition to a presentation of the technology, the focus was on the use of the technology, added value for workshops and participation […] Read more


28 April 2023
Discover our new trainee website!

  Training young talent has always been a high priority at VIEROL. We are proud to be able to present a comprehensive picture of our company and our training opportunities with our new website. With a modern design and user-friendly functionality, we would like to present all important information about training at VIEROL on our […] Read more


20 April 2023
The industry as a guest at VIEROL

  On 19 and 20 April, the GVA Junior Working Group (JAK) met at the parts specialist VIEROL in Oldenburg. More than 50 representatives of GVA member companies from the automotive parts wholesale trade, the automotive parts industry and providers of technical information came together for the first meeting of the Junior Working Group (JAK) […] Read more


16 March 2023
Prominent visit to VIEROL in Oldenburg

  The owner-managed company impressed its guests with its worldwide expertise and business activities in the automotive sector and its high-performance logistics Former astronaut and Brigadier General off duty of the German Air Force Dr. h. c. Thomas Reiter with his wife Consuela Reiter, the Chairwoman of the Supervisory Board of the Kunsthalle Emden Mrs. […] Read more


28 February 2023
VIEROL has again been awarded the IHK – TOP Ausbildung seal of quality

  The Oldenburg Chamber of Industry and Commerce (IHK) has recertified 15 member companies from the region and awarded them the TOP AUSBILDUNG seal of quality. Among them is VIEROL, which had already received the seal in the past and may now carry it for another three years. In a full-day audit, the Chamber of […] 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 (second from left)) 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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