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










12 October 2022
VIEROL passes with innovation and adaptation

  21st Entrepreneur Round of the Basketball Business Club. What do the history of evolution and the hosting of VIEROL, one of the main sponsors of EWE Baskets Oldenburg, have in common? An enormous amount, as the 50 guests at the 21st Entrepreneur Round of the Basketball Business Club discovered last Thursday evening. Ulf Koschig, […] Read more


05 October 2022
New VIEROL online shop successfully launched

  On the occasion of the 45th anniversary of its company history, VIEROL is breaking new ground and has set itself up for the future with the online portal With a self-developed and customer-oriented purchasing platform, the Oldenburg family-owned company is setting another important course for the consistently pursued digital transformation.   The strategic […] Read more


22 September 2022
VIEROL at Automechanika

  The global specialists from VEMO for electronic components and VAICO for engine and transmission repair solutions presented a range of product highlights and innovations at this year’s Automechanika in Frankfurt from 13 to 17 September.   VIEROL’s ambition to provide aftermarket customers with a comprehensive range of perfectly tailored product solutions was manifested not […] Read more


31 August 2022
Anniversary: 25 years of VIEROL training and commitment to young talent

  For 25 years, VIEROL has been committed to the development of young people through a wide range of training programmes. In 1997, when the training was launched, everything was still new: the training contents, the career paths and the linking of theory and practice.   Thus, 25 years ago, the first two trainees started […] Read more


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

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 (second from 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 (right) 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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