Siema Storen GmbH

Your specialist for sun and weather protection since 1987.

As a flexible family business with many years of experience, we understand that every customer has individual needs. That’s why we listen carefully and develop tailor-made solutions for you. In addition to sales and installation, we are also there for you after the purchase and take care of the service of all existing brands and products with expertise and care.

This is us

Our team

Siema Storen is backed by a dedicated team that develops individual solutions for you with expertise and passion. From consultation to installation, we support you with expertise and personal service.

Ronny Oswald
Owner / Managing Director

Sarah Oswald
Managing Director / Accounting

Marco Rüfenacht
Project manager

Milana Obradovic
Administration

Diana Müller
Disposition

Jörg Boskugel
Fitter

Robert Ninic
Assembly manager

Bernd Burger
Fitter

Vladan Stojanovic
Fitter

Rafal Skladanowski
Fitter

Hasan Vilic
Apprentice

Adrian Andric
Apprentice

Nico Oswald
Deputy Managing Director & Managing Director Bolliger Storen

Ariane and Beno Oswald
Good soul of the company and advisors

Igor Repic
Fitter

Fast response time

From Switzerland for Switzerland

Competent
advice

Quick quotation

Siema Storen GmbH

Our philosophy

For us, customer satisfaction is not an empty promise, but a living tradition. We accompany our customers from the initial consultation through to installation and continue to provide support with our service afterwards. This commitment makes us a trustworthy partner for high-quality sun and weather protection. We focus on honest, solution-oriented advice and stand for reliability and partnership-based cooperation – so that you feel you are in good hands all round.

We only use Swiss products

Suppliers & Partners

News, tips and tricks

News from Siema Storen

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  • Reinigungsmaterialien wie Eimer, Bürste und Gartenschlauch liegen auf einer sonnigen Holzterrasse, bereit für die Markisenpflege.

    How to Properly Care for Your Awning

    24. November 2025
  • Eine ausgefahrene, graue Kassettenmarkise an der Terrasse eines modernen Hauses, die den Nutzen einer Kassettenlösung demonstriert.

    Cassette awning or open awning – which is better suited to your home?

    18. November 2025
  • Erleuchtetes Zuhause bei Dämmerung – Anwesenheitssimulation mit Somfy TaHoma Switch

    Autumn is burglary season: This is how Somfy TaHoma Switch protects you – without giving a false sense of security.

    12. November 2025

Jobs

Join our team as a blind fitter!

Do you love technical challenges and want to work in a family business that emphasizes quality and team spirit? Then you’ve come to the right place! Your very varied area of responsibility will include the precise installation of our high-quality blinds as well as service and repair work directly at our customers’ premises.You have completed an apprenticeship as a blind fitter or equivalent training and have experience in sun and weather protection. A category B driving license, reliability and a friendly approach to our customers round off your profile.What can you expect from us? An independent, varied job with exciting projects, a motivated team and a working environment in which your manual skills are valued.

We look forward to receiving your complete application documents!

Open positions

Poly builder

Direction sun and weather protection

We need craftsmen!

This is why we train the specialists of tomorrow. We are looking for motivated and enthusiastic young people. We offer an exciting and varied apprenticeship in our company.

Apprenticeship vacancy for 2025

There is also the possibility of completing a trial day to get to know our company. Contact us spontaneously by phone or send us an application. We look forward to hearing from you.