Holding Companies

ÖKK Holding AG 

Landquart · Since 2009

ÖKK Holding AG is a health and accident insurance company that offers insurance products and services for private individuals and corporate clients. The company provides customer service, an agency network and online services including the myÖKK customer portal.

Caviar House & Prunier Holding SA 

Geneva · Since 2021

Olympic Holding SA 

Sierre · Since 2024

OM Immobilier Holding SA 

Bulle · Since 2018

OM Immobilier Holding SA is a real estate company offering brokerage services for the sale and rental of residential and investment properties. Its activities include property development, sales of land and rental buildings, and professional advisory and market analysis services.

OMNIA Group Holdings AG 

Baar · Since 2014

OMNIA Group Holdings AG is an entrepreneurial single-family office that supports private companies through direct investments and equity participation. Its activities include private equity, strategic investments, real estate investing, structured finance (including fine-art-backed solutions), business development and capital markets structuring, providing hands-on, partnership-focused support and options for earlier liquidity such as public listings.

OMNI BRIDGEWAY HOLDING (SWITZERLAND) SA 

Geneva · Since 2008

OMNI BRIDGEWAY HOLDING (SWITZERLAND) SA provides dispute and litigation finance and related risk‑management services, financing and managing disputes from case inception through trial, appeal, enforcement and recovery.

Omya Performance Polymer Distribution International AG 

Oftringen · Since 2024

Omya Performance Polymer Distribution International AG is a global distributor of high-performance, engineering and standard polymers, and of rubber polymers and additives. The company represents global polymer manufacturers and provides technical support, application development, and integrated supply chain and logistics services to industries such as automotive, medical, electrical and packaging.

Omya-Holding AG 

Oftringen · Since 2009

Omya-Holding AG is a global producer of essential minerals and a worldwide distributor of specialty materials. The company supplies mineral-based products (e.g. calcium carbonate, kaolin, talc), pigments, binders and additives, and provides technical support, application development and laboratory services to industrial customers.

Oneconsult International AG 

Zurich · Since 2017

Oneconsult International AG is the holding company of the Oneconsult Group and provides cybersecurity services including security consulting, red teaming, penetration testing, incident response, digital forensics, vulnerability management and training via its Cybersecurity Academy.

onegate Holding AG 

Altdorf Ur · Since 1999

onegate Holding AG operates in specialised site and project development. The website provides contact details and a notice that activities will be available soon.

On Holding AG 

Zurich · Since 2012

On Holding AG is a sportswear and footwear company that designs and sells performance running shoes, apparel and accessories. The company’s website presents product ranges for running, trail and lifestyle as well as proprietary technology names such as CloudTec® and Cyclon™.

Oolix Holding AG 

Zug · Since 2021

Oolix Holding AG acts as a professional intermediary connecting investors with selected projects and business opportunities. It provides strategic mediation and matchmaking services to facilitate transparent partnerships between investors and project owners.

OPES Holding AG 

Emmenbrücke · Since 1990

OPES Holding AG is the holding company of the OPES group; the group provides advisory, audit and support services for families and companies. Its services cover tax, statutory auditing, business consultancy, legal and real estate matters, financial and accounting services, as well as HR and family-business services.

Opo-Holding-Stiftung 

Zurich · Since 1993

Opo-Holding-Stiftung is a charitable grant-making foundation that supports projects in science and research, concentrating on pharmacy, natural sciences and medicine while excluding projects with a commercial background. The foundation’s assets mainly comprise a holding in Opopharma AG and real estate; it funds selected projects together with program partners (typically 3–4 projects, about CHF 800,000 per year) and is a member of SwissFoundations.

Optimal Holding AG 

Grabs · Since 2022

Optimal Holding AG provides painting and surface-treatment services, including renovation and new-build painting, spraying, sandblasting, mold remediation, and seamless or industrial floor coatings. The company operates a workshop with a spray booth, drying rooms and sandblasting equipment, and offers a showroom, client consultation and apprenticeship training.

OPTIMAPHARM CRO Schweiz AG 

Basel · Since 2013

The core activity of Optimapharm is the conduct of clinical trials and the provision of services as a Contract Research Organization (CRO) for the pharmaceutical industry, particularly for pharmaceutical and biotechnology companies.

Orara Holding GmbH 

Tann · Since 2020

Orara Holding GmbH is the holding company of a group of planning and consulting firms that combine expertise in specialist engineering, architecture and project management. The group provides both individual planning services and integrated general-planning solutions tailored to project needs.

ORGU Holding AG 

Sarnen · Since 1997

ORIM Holding SA 

Chêne-Bougeries · Since 2014

ORIM Holding SA provides real estate investment, development and advisory services.

Or-Mana Holding GmbH 

Zurich · Since 2017

Or-Mana Holding GmbH is a jewellery brand and goldsmith atelier operated by Ramona Matthaei that offers jewellery design and manufacture. The website also lists related services such as jewellery photography, collaborations and the fashion line KAIROS, and presents Or-Mana as part of the Messerer Juwelier offering.