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Achim Menges Psychotherapie Paarberatung Supervision 

Gossau Sg · Since 2021

The company's core activity is the provision of psychotherapeutic services, including psychotherapy, couples counseling and supervision, by a federally recognized psychotherapist.

ADARO Group AG 

Gossau Sg · Since 1996

adultimum ag 

Gossau Sg · Since 2015

The core activity of Adultimum is the development and manufacture of technically demanding carbon components with the highest precision and quality.

AdVision Swiss AG 

Gossau Sg · Since 2021

AdVision Swiss AG provides Microsoft cloud and security solutions, focusing on Entra, Intune, Defender and Azure/hybrid infrastructures. The company delivers consulting, managed IT services (operation, maintenance, development) and security services such as M365 security assessments, SOC/MDR and backup solutions.

Aepli Immo AG 

Gossau Sg · Since 1991

Aepli Immo AG provides facade construction, doors, metal fabrication, contract manufacturing and maintenance services. The company plans, manufactures and installs building envelopes and components and offers development, maintenance and replacement across the building lifecycle.

Akla Landschaftsarchitektur Andreas Kunz 

Gossau Sg · Since 2013

The core activity of Akla Landschaftsarchitektur is the planning and design of private outdoor spaces and public areas, including the development of green infrastructure for a vibrant urban climate, taking into account the site's conditions, the needs of users and the wishes of the client.

Alb. Lehmann Bioprodukte AG 

Gossau Sg · Since 2001

The company's core activity is the production of biologically valuable animal feed, particularly for ruminants, small ruminants, piglets, pigs, poultry, rabbits and horses. The company develops and produces feed mixtures and single feed special products according to biological guidelines and also offers services such as consulting, quality assurance and logistics.

Alexander Thamm Schweiz AG 

Gossau Sg · Since 2024

Alexander Thamm Schweiz AG is a data and artificial intelligence consultancy that helps companies develop, implement and maintain data and AI solutions. Its services include AI governance, machine learning and MLOps, data platform services and end‑to‑end operationalization of AI projects, delivered as tailored solutions for scaling use cases and supporting organisational change.

Alistic GmbH 

Gossau Sg · Since 2022

The core activity of Alistic GmbH is consulting and interim management for companies, particularly in the areas of leadership, finance, processes and crisis management. They offer individually tailored solutions and support for companies to overcome challenges, actively shape changes and manage crises.

Alpin Verwaltungs AG Gossau 

Gossau Sg · Since 2002

The core activity of Alpin Verwaltungs AG includes land development, feasibility studies in commercial and residential zones, special use plans, project development and realization of high-quality residential buildings, as well as the placement of larger investment properties.

AMP Solutions GmbH 

Gossau Sg · Since 2022

The core activity of AMP Solutions GmbH is the manufacture and distribution of various types of steel products, particularly EisDesign, ChromStahl (INOX), SchwarzBlech, StahlBlech, steel and CortenStahl.

Antonio Stradivari Cremona, Stiftung Habisreutinger-Huggler-Coray 

Gossau Sg · Since 1999

The core activity of the Stradivari Foundation Habisreutinger-Huggler-Coray is the collection, preservation and rental of historical stringed instruments, in particular Stradivari instruments, to musicians in order to support them in their artistic development and career.

Aquatransform GmbH 

Gossau Sg · Since 2019

The core activity of AQUA Transform is the planning and implementation of swimming pool and wellness technology, water art and special installations. The company offers comprehensive services, from feasibility studies to specialized construction management, and advises property owners and architects on the successful implementation of their projects.

Architrav Architektur AG 

Gossau Sg · Since 2008

The core activity of Architrav Architektur AG is the provision of architectural services, in particular the individual project development and planning of construction projects, including new buildings, conversions, renovations and reuses of residential buildings, commercial and industrial properties.

Arena Steakhouse GmbH 

Gossau Sg · Since 2023

Attinum GmbH 

Gossau Sg · Since 2020

The core activity of Attinum is SAP consulting and implementation for companies, particularly in the areas of digital transformation and the development of new business models. Attinum offers comprehensive services, ranging from consulting to process management and implementation, as well as operational support for SAP solutions.

B3 digital AG 

Gossau Sg · Since 2019

B3 digital AG provides services in digital construction (BIM/VDC), BIM consulting and digital project coordination, supporting planning and execution with BIM‑to‑Field methods and an in‑house collaboration platform (buildagil).

B3 Gruppe AG 

Gossau Sg · Since 2019

B3 Gruppe AG is an engineering and planning firm providing services for building and infrastructure projects and construction process management. Services include civil and transport engineering, hydraulic works, bridges and special foundations, structural timber, concrete and steel design, fire protection, general planning, construction management, digital/BIM workflows, sustainability measures, and expert consulting.

BARDINI + KELLER AG 

Gossau Sg · Since 1958

BARDINI + KELLER AG is a fruit and vegetable importer and distributor that markets fresh produce and coordinates sourcing and supply‑chain logistics from multiple supplier countries.

Bauline GmbH 

Gossau Sg · Since 1999

Bauline GmbH develops building land and, following approved construction projects, markets building plots, condominiums and single-family houses for sale.