About us

Our Practice Areas

We are active throughout Switzerland and provide all types of legal and notarial services. At the same time, we also handle international assignments, for purposes of which we rely, where necessary, on a network of correspondent attorneys and specialists in Switzerland and abroad. We have offices in Grenchen, Solothurn and Olten at prime, easily accessible locations with state-of-the-art infrastructure. Of course, we can also hold meetings and discussions at your office, if necessary.
Our preferred practice areas include not only the entire field of business, contract, and commercial law but also private and public construction law, as well as litigation and arbitration. Our other specialties include family and inheritance law, as well as water and energy law.

Our Clients

Our clients include SMEs and larger Swiss and foreign companies, as well as multinational enterprises. Comprehensive consulting and support for private individuals, public bodies and associations complement our range of services.
We appreciate the longstanding and trusting relationships that we have with our clients.

Our Work

Our work is always oriented to the individual needs of our clients. We provide efficient and comprehensive advice, the quality of our work and the satisfaction of clients being our top priorities in this regard. We provide advice in the following languages: German, English, French, Italian, and Spanish.

Our Expertise

With our law firm, you have a team of about 20 attorneys (most of whom also work as notaries) and legal experts, including trainees, at your disposal. Because we work in a variety of legal areas, we are able to offer our clients customized solutions to address wide-ranging legal issues. Our high capacity of human resources and professional expertise enables us to perform both simple and complex assignments in a targeted, efficient and cost-oriented manner at any time. A well-trained and experienced administrative staff complements our team. We also train apprentices.

Our Network

Our presence on boards of directors and boards of trustees, societies and associations, as well as on judicial bodies not only gives us the necessary professional expertise but is also a sign of our entrepreneurial thinking and integrated approach. Our independence guarantees unlimited and effective protection of our clients’ interests.
We look forward to hearing from you and will be happy to serve you at any time.

Long Tradition – High Quality

In 1984, Urs Kaiser opened his law firm in Grenchen. In 2004, Philipp Simmen and Jean-Claude Cattin, former employees of Urs Kaiser, founded their own law firm, Simmen Cattin Attorneys at Law and Notaries, in Grenchen. In 2009, Simmen Cattin merged with the law firm of Rolf Harder in Solothurn. Since 2015, KSC has collaborated with Peter Vogt, who founded his firm of attorneys at law and notaries in 1978.