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Sebastian Klinger 

Winterthur · Since 2020

Sebastian Klinger is a cinematographer and producer. He works on feature and short films, documentaries, commercials, web series and music videos, and also serves as a VFX supervisor and colorist; his work has screened at film festivals and received awards.

Second Helpings GmbH 

Winterthur · Since 2021

The core activity of Second Helpings GmbH is the provision of services in the construction industry, particularly in construction consulting, project management and construction management.

Sedioli Kommunikation GmbH 

Winterthur · Since 2017

The core activity of Sedioli Kommunikation is the creation of communication solutions for companies and organizations, including texts, concepts, moderation and consulting in the areas of corporate communications, journalism and public relations.

sehr gern gmbh 

Winterthur · Since 2006

sehr gern gmbh is the parent company of a group that holds stakes in several agencies and businesses. It coordinates activities and services such as web development, ICT service and project management, and encompasses subsidiaries in digital communication, IT services and gastronomy.

SelecTeam GmbH 

Winterthur · Since 1997

The core activity of SelecTeam GmbH is personnel consulting and placement, particularly the placement of qualified specialists and executives in the fields of business administration and IT for service and industrial companies in German-speaking Switzerland.

SELF LOVE GmbH 

Winterthur · Since 2021

The core activity of SELF LOVE GmbH is the sale of jewelry pieces, particularly made of high-quality stainless steel, through an online shop and possibly also through retail. The company offers various collections and places emphasis on sustainability in production and work processes.

Semalit Landschaftsarchitektur AG 

Winterthur · Since 1991

Semalit Landschaftsarchitektur AG provides planning and implementation services in landscape architecture, civil engineering and settlement drainage. Services include design of outdoor spaces for residential developments, commercial and public buildings, as well as construction and cost management.

Senn & Ismaili AG 

Winterthur · Since 2023

Senn & Ismaili AG is a buying and selling firm for precious metals, jewelry, luxury watches and collectibles. The company purchases and sells items such as scrap gold, silver, dental gold, branded watches, coins, antiques and luxury handbags, and provides services including repairs, valuations, certificates, house visits and estate clearances; selected items are also offered via the online marketplace Ricardo.

SENPAI GmbH 

Winterthur · Since 2006

The core activity of SENPAI GmbH encompasses the provision of services in the field of information technology and IT management. Specifically, the company offers the following services: management tasks, including interim management and project management; outsourcing of IT services; infrastructure project management, including rollout, asset management, outsourcing, outtasking, and migrations; system and asset management; complex hardware repairs; and IT security tasks. The company positions itself as an independent partner for companies at home and abroad, offering its services primarily to medium-sized and larger enterprises.

SEP IT AG 

Winterthur · Since 2020

SEP IT AG is an independent, owner-managed Swiss company that provides IT services. The company offers IT infrastructure services, system integrations, managed IT services (cloud, security, helpdesk), and consulting and sales, handling the design, implementation and maintenance of cloud and hybrid infrastructures as well as support.