We create structure in your IT

Our solutions aim to accelerate your business, enhance efficiency, improve visibility, increase revenues, cut costs and reduce risks.

Information regarding COVID-19

In this exceptional situation, Kallysoft complies with the federal provisions laid out by the Swiss Government. Despite limitations, our agile business model allows us to guarantee our services.
You can contact us as usual.

Our services

IT Consulting

Application Development


Web & Graphic Design


Maintenance & Support

Administration solutions

IT Security solutions

Your IT Partner for small and large businesses

For over 20 years we have been successfully serving a wide range of business customers. Regardless of whether we deal with small or medium-sized businesses, foundations, organisations or large corporations, our goal remains the same: optimise business processes so that you can focus on your business and customers. We have had the privilege to grow together with our customers. When they globalised, we adapted our services to continue providing IT services on a global scale.

What makes Kallysoft special

Family owned

We aim for long-term and successful customer relations, where trust and sustainability form the basis of our cooperation.

Everything under one roof

We advise, develop, sell, host, monitor, maintain and support in all IT requirements. All services under one roof in Allschwil, Basel.


Thanks to our many years of experience and the versatility of our employees, we feel at home in every sector of IT, professionally competent in both new and well-established technologies.

Through the sum of our employees’ joint experience, we are able to advise and support our clients extensively and personally in all their IT requirements.

Arnout Calmeyn, CEO

Our diversity
is your asset

From an idea to a perfect online experience

Top-notch web design

We develop individual web and graphic projects with the highest visual and technical precision.

We aim to exceed not only your expectations, but also those of your customers. We accompany your project from the first scribble through the implementation process to training your employees. We make it our obligation to increase your visibility, stimulate your market development as well as improve your name recognition and revenue.

More from Kallysoft

Kallysoft Publications

Download as PDF

Our Kallysoft brochures and fact sheets provide an overview of our company and services.


Read our blog for interesting news

Find out more about the trends, developments and innovations in the IT world.

Career in IT

Become a part of our team

Kallysoft is always looking for new talents who share our passion for IT.

IT solutions made easy

Contact us today for a free consultation with our experts and discover the hidden potential of your company.

IT Solutions made easy


Lettenweg 40
4123 Allschwil
Tel: +41 (0)61 544 05 00
Support Tel: +41 (0)61 539 10 80
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Copyright © 1997-2021 Kallysoft Informatik AG