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hohl und fry farbgestalter gmbh 

Zurich · Since 2003

The core activity of Hohl & Fry Farbgestalter GmbH is colour design, both for interior and exterior spaces.

Holcim Trading AG 

Zurich · Since 1992

Holcim Trading AG provides seaborne import and export solutions, specializing in the trading and shipping of construction, industrial and specialty raw materials. The company manages sourcing, contracting, chartering and logistics coordination and offers products in bulk, bag, jumbo bag and container with delivery terms such as FOB, CFR and CIF. The website also describes health, safety and environmental measures integrated into its operations.

Holzinger Architekten AG 

Zurich · Since 2024

Holzinger Architekten AG is an architectural firm providing design and project planning for residential, commercial and office buildings. The practice works on timber construction, new builds, conversions and comprehensive renovations, and performs feasibility studies and construction supervision.

Honegger Viola Architekten AG 

Zurich · Since 2019

Honegger Viola Architekten AG is an architecture and project development firm. Services include design and planning of residential buildings (multi‑family, single‑family and townhouses), as well as renovations and conversions. The website presents a portfolio of residential projects and refurbishment works.

Horzsa Schreinerei- und Innenausbau AG 

Zurich · Since 1997

The core activity of Horzsa Schreinerei + Innenausbau AG is the manufacture and installation of furniture, interior fittings, kitchens, doors and other wood products, as well as the provision of services such as fire protection work, glazing and repair services.

Hotz'n'plotz Entertainment GmbH 

Zurich · Since 2015

The core activity of Hotz'n'plotz Entertainment is the development and implementation of marketing campaigns, events and concerts for children and families, with a focus on live communication and emotionally sustainable experiences. This also includes the creation of music productions such as children's songs, audio plays and advertising jingles, as well as consulting and conceptualizing marketing strategies for children and families.

houseofolive - Olivenölhandel J.Avdic, Zürich 

Zurich · Since 2023

The core activity of the company "House of Olive" is the import and distribution of high-quality, native extra virgin olive oil from Istria, Croatia, which is sourced directly from small, local producers. The company distributes the olive oils through an online shop and focuses on social responsibility, sustainability and quality.

HOUSE OF TENNIS GmbH 

Zurich · Since 2023

The company 'House of Tennis' offers tennis training and lessons for players of all age groups. The core activities include: group and individual training, tennis camps, tournaments and competitions, coordination and fitness training, children's and youth training (J+S), and private lessons. The company also offers merchandise items such as hoodies, t-shirts, and caps.

HSO Wirtschaftsschule Schweiz AG 

Zurich · Since 1990

HSO Wirtschaftsschule Schweiz AG offers vocational and continuing education programmes in business administration, business informatics and areas such as finance, human resources, marketing and commercial (KV) training. Programmes include HF diplomas, federal professional certificates and short certificate courses, delivered in classroom, blended and fully online formats with student access to Microsoft 365 tools.

HSS Group Services GmbH 

Zurich · Since 2001

HSS Group Services GmbH provides administrative, tax, financial and legal consulting and management services. Its offerings include company formation and domiciliation, accounting and audit, tax and legal advice, real estate services, and secretarial, representative and relocation support for companies, self-employed individuals and private clients.