We make being mobile simple and safe. Here you will find transport solutions – personalised and of high quality. For today and tomorrow. Whether for the road, the factory grounds or military logistics – we make you mobile.

As the leading Swiss vehicle manufacturer, we develop and produce innovative mobility solutions for the goods transportation of tomorrow. We help our customers meet the growing demands of freight transport with ease through our vehicles and services.

Through our own engineering department, the highest production standards and quality requirements, bodies, trailers and semi-trailers of all sizes and weight classes for dry freight, general cargo, and refrigerated transport are created in our workshops.

Transport solutions - customised and high-quality

We offer isothermal, refrigerated and frozen food transport vehicles.
We manufacture trailers and semi-trailers of all weight classes for the transportation of general goods and dry cargo.
We also fulfil non-traditional mobility solutions for the road and factory premises.
We solve the challenges of defence logistics with our transport solutions.

Strong arguments
for GK Grünenfelder

We build vehicles from our customers’ perspective. We listen, develop and build the optimal transport solution. Our customers are not just clients – they are part of the process. It motivates us to go the extra mile and exceed what is expected. Because there are no traffic jams on the extra mile.

There’s no such thing as can’t. We do everything we can to fulfill our customers’ wishes. The customer is always at the forefront of what we do and we focus our work to their success. The customers’ satisfaction is one of our top priorities. Wir setzen alles daran, die Wünsche unserer Kunden zu erfüllen. Der Kunde steht immer im Zentrum und wir richten unsere Arbeitsweise auf seinen Erfolg aus. Seine Zufriedenheit ist unsere Leistungsmaxime.

We stand for competence, quality, and service. We experiment and think outside the box. Creating new solutions that inspire while also being sustainable. We stand out in the market with product quality and personal customer service.

We do not grow at any price. We invest sustainably so that our company can develop profitably in the long term. Each and every one of our employees makes a contribution to the overall performance of our company with their work.

We keep our word, are committed, and create trust – even with just a handshake. We work at the same level with customers, partners, and employees. We are accessible and take care of solutions quickly and without complications. You can count on GK.

Our certifications are testimony to our quality. Our company is managed and audited according to the ISO 9001 standard. We also have defence certification and a NATO registration number.

It is our economic, social and ecological obligation to pass on a healthy company in an intact environment to future generations. We therefore continuously strive to incorporate sustainability into our company and overall daily work.

Current Projects and News

The 2024 kick-off meeting at our two locations in Kriessern and Pratteln took place in …
Not only for the organizers, who were able to record a record number of visitors, …
You will find us again this year at Tranport.CH at Bernexpo. From 08. until November …
Tian Gebs is a newly qualified vehicle mechanic EFZ after four years of training. …
1948 Albert Grünenfelder Sr. joins his father’s blacksmith shop. It is the beginning of a …

Work for Us

As a modern technical company, we employ a wide range of professions (vehicle fitters, designers, logisticians, mechanics and many more). We are always on the lookout for well-trained and motivated professionals. We also train apprentices to become vehicle mechanics.


Whatever your requirements are – we design and produce the right transport solution for you.


In our two modern production facilities, we offer you a complete all-round package: From repairs and rebuilds to the delivery of spare parts – we are at your service.

About us

We show you who is behind the innovative production and aftersales services.

Tradition since 1948

Our company is built on a tradition of blacksmithing and wagon-making dating back to the 19th century. That is our success story.