Search the
company directory

GSK Leckortung GmbH 

Winterthur · Since 2022

The core activity of GSK Leckortung is the execution of roof analyses, leak detection and roofing work for all types of roofs, particularly for flat roofs of industrial facilities, exhibition and fair buildings, workshops, school buildings and other new or renovated buildings. This also includes roof maintenance and inspections, renovation work, roof cleaning, replacement of gutters, retrofitting of fall protection systems and the installation of roof windows.

GÜNTHARD. POLITUMSETZUNG GmbH 

Winterthur · Since 2009

The core activity of Günthard. Politumsetzung GmbH is the consulting and support of organizations and individuals in the areas of political communication, leadership and communication concept development. The company offers services such as strategy consulting, communication concept development, lobbying, campaigning, media work and leadership support. It targets administrations, public institutions, private companies and people in leadership positions who need support in communication and leadership.

GUT-zusammenleben GmbH 

Winterthur · Since 2020

The core activity of Gut-zusammenleben GmbH is to advise and support individuals and organizations in developing conflict management, communication, personality development, and teamwork, with the goal of promoting well-being and cooperation in private, social, and professional contexts.

H2A raum für ideen ag 

Winterthur · Since 2020

The core activity of H2A is the planning, design and realization of future-proof work environments and interior spaces for companies. This includes services such as needs analysis, space planning, interior construction, furnishing, lighting and acoustic planning, as well as project management. The company supports customers in creating modern, flexible and motivating work environments that meet the needs of employees and the company culture.

Hahnloser/Jaeggli Stiftung 

Winterthur · Since 1980

The company's core activity is the preservation, presentation and promotion of art and culture, particularly through the management and exhibition of the Hedy and Arthur Hahnloser collection, as well as supporting the Kunst Museum Winterthur and the museum association.

haltiner & ARCHITEKTUR AG 

Winterthur · Since 2001

haltiner & ARCHITEKTUR AG is an architectural practice offering design, planning and consulting services for new-builds, renovations and conversions. Services include work on residential and commercial projects, competition entries and advice on handling existing building fabric and spatial organisation.

HammerDrum AG 

Winterthur · Since 2022

HAND IN HAND: STIFTUNG FÜR EINE NACHHALTIGE ENTWICKLUNG 

Winterthur · Since 2005

HAND IN HAND: STIFTUNG FÜR EINE NACHHALTIGE ENTWICKLUNG supports projects for sustainable development with a focus on environmental measures, microfinance and education and training. The foundation implements projects in Haiti including water access, soil irrigation and desalination, reforestation, village savings and loan systems, literacy and scholarship programs.

Handschin & Handschin GmbH 

Winterthur · Since 2021

The core activity of Handschin & Handschin GmbH is the development, publication and distribution of educational materials for the 2nd cycle of primary school, particularly thematic editions and design books for children.

HannesFRiTZ GmbH 

Winterthur · Since 2001

Hauskunft GmbH 

Winterthur · Since 2024

The company Hauskunft GmbH primarily deals with services in the field of monument preservation and building stock. The core activities include: on-site inspections and archive research, description and evaluation of objects, creation of expert opinions on the worthiness of protection of buildings, creation of inventory lists for protected monuments, and consulting and support for construction projects in a historical context. The company thus provides expert knowledge and services to support and preserve the handling of historic buildings and sites.

HAWAdoc AG 

Winterthur · Since 1998

The core activity of hawadoc AG is to provide services and solutions for the Swiss healthcare system, particularly for physician networks, medical practices, and health insurers. This includes, among other things: The provision of the family doctor model and the promotion of cooperation between patients, physicians, and health insurers; The administration of physician networks, including member management, contract negotiation, data management, accounting, marketing, and communication; The provision of consulting services, such as trust services, debtor management, and business management consulting; The provision of tools and platforms for collaboration and communication between healthcare stakeholders; The organization of continuing education and quality circles for medical personnel; The management of patient data and the provision of invoice printing and mailing services.

H&C Treuhand AG 

Winterthur · Since 2021

The core activity of HC Treuhand AG is the provision of services in the field of financial and corporate consulting, particularly in the areas of: financial accounting, payroll accounting, tax consulting, digitalization, corporate consulting, and real estate. The company thus offers comprehensive consulting and services for companies and private individuals in the areas of finance, taxes, and corporate management.

Heiligberg Institut 

Winterthur · Since 1998

The Heiligberg Institute offers its own movement school with weekly ongoing group and individual sessions in prevention and therapy. The company's core activity is the application and dissemination of Psychosomatic Functional Learning (PSFL), a movement system developed by Bet Hauschild-Sutter. This includes conducting courses, workshops and individual sessions in movement design, dance therapy and solution-focused work. The company also provides training and further education in the PSFL method and publishes books and DVDs on this topic.

Helg Consulting 

Winterthur · Since 2011

The core activity of Helg Consulting is advising and supporting companies in change projects, particularly in the areas of: Cultural change, Corporate development, Project management, Agile transformation, Coaching, Conflict management, and Succession in family businesses. Additionally, the company offers individual coaching for executives and other decision-makers and supports the development of business models and conflict resolution in companies.

Hermann Treuhand GmbH 

Winterthur · Since 2011

The core activity of Hermann Treuhand GmbH is the provision of services in the field of finance and accounting, including trust services, consulting and services for companies and private individuals.

Herzog & Vombach GmbH 

Winterthur · Since 2015

The core activity of Herzog & Vombach is the provision of services in the field of wine and culinary arts, particularly in the areas of wine journalism, text creation and communication.

Herzpraxis Winterthur GmbH 

Winterthur · Since 2024

Herzpraxis Winterthur GmbH is a cardiology practice providing non-invasive diagnostics and care for cardiovascular conditions. Services include resting and exercise ECG, ambulatory (Holter) ECG, long-term blood pressure monitoring, echocardiography and pacemaker/ICD follow-up.

Heviana GmbH 

Winterthur · Since 2020

The core activity of Heviana GmbH is the accompaniment and care of expectant parents and newborns by midwives, including prenatal examinations, childbirth preparation courses, childbirth assistance at the Kantonsspital Winterthur (KSW), postnatal home visits and postnatal exercise classes.

HFS Aqua Holding AG 

Winterthur · Since 2023

The core activity of HFS Aqua AG is the development and realization of individual solutions for drinking water and wastewater treatment. The company offers specific services and products for the treatment of drinking water and wastewater, including planning, distribution, construction, service and development.