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.
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.
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VIEROL AG, the innovative and internationally successful specialist for electronic components and engine management in the automotive sector, has become an official partner of the popular German Touring Car Masters (DTM) racing series.
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Blue light for more visibility and solidarity On 12 May 2025, VIEROL took part in the global #LightUpTheNight4ME campaign to show solidarity with people suffering from ME/CFS (myalgic encephalomyelitis/chronic fatigue syndrome). To mark International ME/CFS Day, the VIEROL building in Oldenburg was lit up in blue light in the evening – along with numerous landmarks, […] Read more
Full throttle into the 2025 season: the talented racing driver Dennis Fetzer and the VAICO brand are joining forces with immediate effect. The partnership marks an important step for both sides and underpins VAICO’s commitment to international motorsport. Fetzer, who will be competing for HRT Ford Performance in the new Ford Mustang GT3 this year, […] Read more
18-year-old racing driver Hugo Schwarze from Cologne has made impressive progress in motorsport in recent years. After initial success in karting and finishing runner-up in the British Ginetta Junior Championship in 2023, he took the plunge into the British Formula 3 Championship (GB3) in 2024. There he impressed with consistent top ten finishes, several fourth […] Read more
Sustainability and environmental protection are more than just words for us – they are a promise to future generations. For this reason, a dedicated team from VIEROL AG has teamed up with the foundation Unternehmen Wald im Harz to actively contribute to reforestation. As part of a large-scale tree planting campaign, we were able to […] Read more
VIEROL is taking on a special role with the VAICO brand at this year’s FIS Nordic Ski World Championships! From 7 to 9 February 2025, we will be supporting the Nordic Combined competitions in Otepää, Estonia, as ‘Official Sponsor’. The FIS Nordic World Ski Championships are among the most important international competitions in winter sports. […] Read more
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.
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.
„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.
„Innovation is no guarantee against failure, but without innovation failure is guaranteed.“
– Stefan R. Munz
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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