About us
Proton stands for positive change. With smart industrial solutions, we create meaningful jobs and economise on the earth’s resources. Together, we can contribute to a better world for the next generation.

We are better together.
Proton is a Swedish, family-owned industrial group in growth. We make long-term investments in people, companies and industries with potential to develop. Independent individuals united by a strong conviction: that real success is created through co-operation. The journey towards the goal, the challenges we face along the way and the pride in the work we do together are our common driving force. ENJOY SUCCEEDING TOGETHER®!
When you see the width of our business areas, you realise that Proton Group is not like any other group. Because how do you actually manage to stay focused in areas as diverse as surface treatment, lighting, pipe bending, pipe installations, machine safety and corrosion testing? The answer lies in power, commitment and a strong passion. A commitment that runs like a red thread through the group, which despite its size is familiar with short decision-making paths and proximity between owners, board and employees.
Based in the Värnamo area, Proton Group has been characterised by drive and initiative since its inception. Companies have been acquired or sold, operations have been added and also discontinued. What remains is a profitable and strong group that today consists of the brands Proton Engineering, Proton Finishing, Exaktor, Exlite, Cotec Labs, Cedoc, JL Safety and Weldin Gothenburg.
Proton Group’s founder, Leif Malveholm, had strong local roots and a clear desire to contribute to the development of the communities where Proton Group operates. Since December 2011, Leif’s children Marcus, Daniel and Sanna have been majority shareholders in the Group, while Inge Fransson, who has been involved from the start with Leif, owns a share, as does CEO David Gustafsson. Proton continues to engage with local organisations, businesses and the public sector to develop the regions where we operate. We want to help ensure that future generations have the best possible conditions for continued development. Taking our share of responsibility is important to us – it contributes positively to our businesses and our stakeholders.
Positive difference is about daring to do something different, challenging the established and striving for new, favourable outcomes.
Employees
MSEK in turnover
Proton was founded
Companies

It’s easy to get caught up in a global context, but we see great opportunities in making a difference locally.
David Gustafsson
Group CEO
The story of Proton Group
Making a positive difference was the basic idea behind the creation of Proton Group almost 35 years ago. Proton Group was formed in 1990 when a number of stakeholders, including Leif Malveholm, bought out a group of around ten industrial companies from the stock exchange. The intention was to build an industrial group that stood on several legs. At the time, the existing base was the surface treatment companies that are now part of the Proton Finishing business. The strategy was to invest in environmental improvement measures, as it was anticipated that stricter environmental regulations would make it more difficult for the smaller companies in the industry to compete. As part of the strategy, there was also the opportunity to create synergies between the surface treatment business and the construction business, which is now Proton Engineering. Throughout its history, Proton Group has faced both opportunities and setbacks, but has always managed to offer its customers and employees stability. After a series of heavy investments, including in the environment, as well as divestments of non-strategic assets, Proton Group is equipped for future growth.
Organisational structure
Our business is divided into six areas operating in different industries, but with the link to industrial production as a common denominator. A number of companies operate within the framework of the various activities, all of which have the freedom to run their business and their sustainability work under their own responsibility. Proton Services, which provides expertise in finance, HR, IT, marketing communications, sustainability and management issues, supports these operations.
Lighting
Exlite
Exaktor
Corrosion lab
Cotec Labs
Surface treatment
Proton Finishing
Pipework installation
Weldin Gothenburg
Pipe bending
Proton Engineering
Safety of machinery
JL Safety
Cedoc
Support functions
Marketing & communication
Economy
Sustainability
HR, IT
Want to
know more?
Curious to know more about us and what we do at Proton Group, feel free to contact us.
