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OAKBREW SWISS GMBH 

Zug · Since 2021

The core activity of Oakbrew Swiss GmbH is providing services in the field of sports marketing, particularly in the areas of: Major Event Hosting: organization and execution of major sports events; Cycling Partnerships: development and implementation of partnerships in the field of cycling; Advisory Services: strategic consulting for rights holders, host cities and regions in the execution of sports events. The company supports customers in developing marketing strategies, implementing partnerships and executing sports events, especially in the field of cycling.

Tourbillon Labs GmbH 

Zug · Since 2023

Tourbillon Labs GmbH develops high‑performance solutions and protocols for multiple blockchains, including TON, EVM‑compatible chains, and Solana, and explores RGB (Bitcoin‑native smart contract) approaches. Its services include decentralized protocol development, concentrated liquidity models, protocol security engineering, staking and yield systems, UX/UI design, gamification, and cross‑chain interoperability for DeFi applications.

Obermark AG 

Zug · Since 2007

Obermark AG acquires mid-sized companies and retains them as a long-term, responsible owner. It provides capital, experience and management expertise, supporting strategy, key leadership appointments and the ongoing development of its portfolio companies.

Obico Services AG 

Zug · Since 2023

Obico Services AG provides digital and social media marketing services, including SEO management, social campaign management and product branding. The company also supports advertising placement and the development of marketing strategies.

Obiwai GmbH 

Zug · Since 2013

The core activity of Obiwai is the application and dissemination of alternative healing methods and techniques, in particular Quantum Transformation, HUNA, Orgon and Frequency Therapy according to Dr. Royal Raymond Rife, with the aim of improving people's quality of life.

OBRO AG 

Zug · Since 2017

OBRO AG is an independent IT service provider within a corporate group. It designs, operates and develops the group's IT infrastructure (servers, networks, virtualization) and managed security services, maintains the application landscape including lifecycle management, and provides 1st‑ and 2nd‑level support for internal clients.

Oceaneering International GmbH 

Zug · Since 1971

The core activity of Oceaneering International, Inc. encompasses the development and provision of technical solutions for complex operational challenges underwater, on land, and in space. This includes a wide range of services and products such as: inspection, maintenance, and repair (IMR) of facilities; automated guidance and positioning systems (AGVs and C-Nav); data management and analysis; decommissioning of facilities; diving and underwater services; fluid and gas transport systems (Flow Assurance); remotely operated vehicles (ROVs); intervention and tooling technology; and inspection and testing of facilities and materials (NDT). The company focuses on solving complex problems in various industries, including oil and gas, energy, mining, shipping, and aerospace.

Ochsner Balloons 

Zug · Since 2014

The core activity of Ochsner Balloons is the planning and implementation of balloon decorations for various occasions such as weddings, corporate events, birthdays, anniversaries, and other events. The company offers customized balloon arrangements, including bouquets, sculptures, centerpieces, arches, and columns, which are designed in close collaboration with customers to create the desired atmosphere and convey the right message.

Ochsner + Ochsner AG 

Zug · Since 1983

Octane Holding AG 

Zug · Since 2016

Octane Holding AG is a Swiss investment company that holds stakes in firms working on scientific equipment, biofuels and innovative technologies. Its investment focus includes biofuel production, biotechnology, medical devices and diagnostics.

ODI Pharma Schweiz AG 

Zug · Since 2018

The core activity of ODI Pharma is the development, production and distribution of medical cannabis in Europe. The company focuses on the manufacture of pharmaceutical cannabis products in strict compliance with EU GMP and GDP standards and supplies them to pharmacies, clinics and hospitals in 23 European countries. In addition, ODI Pharma also offers white-label services, where the company manufactures and delivers high-quality products for other brands.

Offergeld Logistik Schweiz AG 

Zug · Since 2017

Offertis AG 

Zug · Since 2002

Offertis AG connects patients with Swiss doctors and clinics, focusing on dental care, aesthetic treatments and IVF. The company reviews diagnoses and received quotes, prepares free counter‑offers and provides personal and online consultations through Dr. Velkoborsky.

Officeconnection GmbH 

Zug · Since 2000

Officeconnection GmbH provides B2B services for company formation, domiciliation and corporate administration, including accounting, tax support and organizational structuring. The company also offers sale and transfer of shelf companies, telephone and mail handling, and the provision of board members or managing directors.

OLDFUTURE AG 

Zug · Since 2017

The core activity of OLDFUTURE AG is the development and implementation of technical solutions for various areas, particularly: * Digital Signage: Development and installation of digital display systems for companies and organizations. * Advertising: Conceptualization and placement of advertising on digital platforms. * Connectivity: Provision of solutions for secure and fast connection of buildings, mobile homes and other facilities. * Building Automation: Development and implementation of building automation systems to increase productivity and user well-being. The company also offers consulting, conceptualization, implementation and support of projects and has a broad spectrum of specialized expertise, from business strategy to programming and system technology.

Olive Tree People Europe AG 

Zug · Since 2007

OLIVE TREE PEOPLE is a cosmetics company specializing in the manufacture and distribution of skin care products based on the use of olive tree extracts and other natural ingredients. The company's core activity includes the development and production of various skin care products such as face masks, serums, creams, eye elixirs and other care products for the face, body and hair.

Olympias AG 

Zug · Since 2010

The core activity of Olympias AG is the provision of consulting services in the following areas: Information Technology, Engineering, Business Models, SAP Project Management, Logistics, Materials Management, Sales and Distribution, and Development and Engineering. The company supports customers in developing and implementing solutions to overcome the challenges of a complex and rapidly changing business environment.

Olympia Security AG 

Zug · Since 2018

Olympia Security AG provides tailored security services for corporate and private clients, including object/site protection, event security, reception services, construction-site security and personal protection.

Olympic Therapeutics AG 

Zug · Since 2008

Olympic Therapeutics AG develops bacteriophages for the treatment of MRSA and other bacterial infections, focusing on research and development of therapeutic phage candidates. The company’s activities include identification and development of phage candidates, intellectual property protection, and preparation for clinical development and commercialization.

OMCS Medical GmbH 

Zug · Since 2021

The company offers services in the field of regulatory compliance and approval of medical devices and pharmaceuticals. The core activities include: Regulatory consulting and strategy development for the approval of medical devices and pharmaceuticals; Support in complying with regulatory requirements and standards (e.g. ISO 13485); Conducting tests, validations, and lifecycle management for medical devices; Translation services for global communication of companies; License management and administration for medical devices and pharmaceuticals; Providing information and support to patients and healthcare providers in decision-making in the healthcare sector. The company supports customers in navigating complex regulatory processes and helps them successfully bring their products to market.

OM Invest AG 

Zug · Since 2018

OM Invest AG invests in SMEs and builds corporate groups through buy-and-build strategies in selected industries. Acquired companies retain a high degree of operational autonomy within the group, and entrepreneurs may be invited to participate in the group's development.

Omniimpex GmbH 

Zug · Since 2004

The company's core activity encompasses the development and production of solutions for the following areas: antenna design and development, certification services (CE, FCC, LoRa), protection against copper theft, asset tracking, RFID access control and time management, as well as the development of OEM solutions. Thus, the company offers a wide range of services and products in the field of electronics and communication technology.

omnis business ag 

Zug · Since 2010

The core activity of the company "omnis business ag" is coaching and consulting in the areas of Life Balance, Stress Management, Business Coaching and Occupational Health Management. The company offers individual coaching sessions and seminars to support customers in improving their personal and professional well-being.

Omondo Immobilien GmbH 

Zug · Since 2019

Omondo Immobilien GmbH is a real estate developer that analyzes property potential, develops development concepts and manages planning, permit submissions, construction and the sale of residential projects. The company finances project costs, offers flexible options for owners (including retention of a unit) and distributes proceeds according to a transparent key.

OMREA AG 

Zug · Since 1991

The core activity of Omrea AG is the consulting, planning and implementation of object spaces as well as the commercial representation and distribution of high-quality furniture and interior design products from various manufacturers, such as Gärsnäs, Gelderland, Randers + Radius, Neutra and Wagner-Living, in Switzerland.

OncoBeam AG 

Zug · Since 2023

OncoBeam AG is a manufacturer of natural herbs, medicinal plants and premium spices. The company produces and supplies medicinal herb blends, culinary herbs and spices, rare specialty botanical ingredients and high-quality natural raw materials for industrial use, with products subject to Swiss quality control and compliance with international food, nutraceutical and pharmaceutical standards.

Ondamedia GmbH 

Zug · Since 2012

The core activity of Ondamedia Switzerland is the development and provision of innovative digital solutions and products for clinics, hospitals, nursing homes and hotels as well as closed user groups. This includes the integration and deployment of solution platforms that are used in a customer-specific manner to meet the needs of these institutions.

ONE Finance AG 

Zug · Since 2022

ONE Finance AG provides multi-currency IBAN accounts and e-wallet payment services for personal and business customers, enabling international transfers, currency exchange, sub-accounts and debit cards via a web and mobile platform.

OneLine AG 

Zug · Since 2017

The company provides online marketing services, particularly in the area of lead generation for B2B and B2C customers, as well as the development of sales-promoting tools.

One World GmbH 

Zug · Since 2017

One World GmbH provides an app-based chauffeur and limousine service. Customers can book trips or event transfers, select a vehicle and a licensed driver, and pay through the app.

Online Classifieds AG 

Zug · Since 2022

The core activity of Online Classifieds AG is the development and provision of dating software products, in particular the dating app "Pure", which enables users to experience anonymous and secure digital encounters.

Onlineprinters Schweiz AG 

Zug · Since 2024

Onlineprinters Schweiz AG operates an online shop for printing and marketing products, allowing customers to configure and order a range of print items such as flyers, posters, business cards and promotional products. The company provides services including design support, product samples and tailored corporate solutions; production is carried out at printing sites in multiple countries and shipments are sent climate‑neutrally.

ONNEC Switzerland GmbH 

Zug · Since 2020

The company provides end-to-end connectivity solutions for businesses, including structured cabling, networking, connected devices, workplace data and managed services. As a leading, independent technology partner and global integrator with over 30 years of experience and a global team of over 800 technicians, the company's core activity is the planning, implementation and maintenance of IT infrastructures for businesses, particularly in the areas of data centers, networking and connected environments.

ONRA GmbH 

Zug · Since 2023

The core activity of ONRA GmbH is the creation of digital solutions, particularly: * Web technologies (creation of professional web presences) * Apps (development of mobile applications) * VR tours (creation of virtual tours) * UX research & design (user research and design) * 3D visualization (digital shaping of ideas and dreams). The company also offers specific platforms and solutions, such as the ME platform and the match home platform.

ONVU Technologies AG 

Zug · Since 2009

The core activity of Oncam (ONVU Technologies Group AG) is the development and provision of a cloud-based platform for business analytics with 360-degree video recording and analysis. The company offers video-driven solutions for various industries and customers, including security and educational institutions, and supports decision-making processes by providing data and analytics.

Onyx Commodities Switzerland AG 

Zug · Since 2023

The company is primarily active in the energy sector, specifically in the field of oil derivatives and oil trading. The company's core activities include: Providing liquidity in the oil derivatives market as a leading provider; Analyzing and providing proprietary data and research results in the field of oil markets; Developing and providing technologies and platforms for oil trading; Conducting brokerage services for energy companies and traders; Providing risk management services and solutions for oil trading. The company positions itself as an expert in the field of oil markets and offers a wide range of services and solutions for energy companies and traders.

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.

Open Internet Foundation 

Zug · Since 2021

The core activity of the company "Open Internet Foundation" is the development and promotion of digital products and services aimed at supporting an open internet and empowering users. In particular, the company focuses on creating permissionless access to digital goods and services and promoting community-driven self-governance. A key part of these activities is the development of decentralized applications, such as the professional social network "distrikt", which is based on blockchain technology.

Open Oracle Association 

Zug · Since 2022

The company's core activity is the development and support of decentralized Oracle technologies, in particular the Flux Oracle, with the goal of integrating off-chain data into blockchain networks in a reliable and efficient manner.

Operal AG 

Zug · Since 2021

The core activity of Operal Solutions is the development and provision of solutions in the field of digitalization, particularly in the areas of gameification, artificial intelligence (AI) and Web3 technologies.

OPES Entertainment GmbH 

Zug · Since 2015

The core activity of OPES Entertainment GmbH is the development and implementation of career strategies, particularly for women, with the aim of supporting them in their professional development and achieving their goals.

OPINOMIC AG 

Zug · Since 2023

The company OPINOMIC AG is a specialized publisher focusing on the creation of economic specialist publications with well-researched articles and high-quality journalism. The core activity of the company includes the production of content such as specialist publications, corporate publishing, business round table video podcasts, and other media offerings that focus on economic and social issues.

Optima-Beratungsdienst GmbH 

Zug · Since 2023

The core activity of Optima Beratungsdienst GmbH is the processing of unprofitable capital market products, in particular life and pension insurance policies, through cooperation with law firms, pre-financiers and experts. The company supports customers in enforcing their claims and offers services such as pre-financing of the surrender value, financial mathematical analysis and monitoring of processing.

Optimal Contracts AG 

Zug · Since 2022

The core activity of Optimal Contracts AG is the development and application of Optimal Smart Contracts based on Artificial Intelligence (AI) and Blockchain technologies to ensure transparency, fairness, and efficiency in contracts and agreements. The company aims to solve the Principal-Agent problem by developing a systematic solution to the asymmetry of information between providers and recipients of products and services. This includes the development of Optimal DApps that run on the blockchain and are driven by Optimal Smart Contracts to enable fair and efficient contracts.

Optima Medical Swiss AG 

Zug · Since 2010

The core activity of Optima Medical Swiss AG is the development, manufacture and distribution of medical products, in particular eye care products such as eye drops, eye sprays and eye washes, as well as products for nasal and ear care. The company specializes in the production of private label products and also offers research funding and partnerships.

Optimum Asset Management AG 

Zug · Since 1982

The core activity of Optimum Asset Management is the provision of global asset management and financial services, including investment advice and asset management, particularly for high net worth individuals, families, companies and governments.

Optivision Jürg Neidhart 

Zug · Since 1992

Optivision Jürg Neidhart produces graphic design and technical illustrations in vector format and supplies digital and print products. Services include corporate brochures, flyers, posters, newsletters, websites, media/data adaptation and practical workshops for Adobe Illustrator, InDesign and Photoshop.

Optos GmbH, Düsseldorf, Deutschland, Zweigniederlassung Zug 

Zug · Since 2008

The core activity of Optos is the development, manufacture and marketing of ultra-widefield imaging devices for ophthalmology, particularly for retinal imaging. These devices are distributed under the brand name "opto map" and are designed to help detect pathologies in the retina and protect vision.

ORACTIVE SWISS AG 

Zug · Since 2021

The core activity of ORACTIVE Swiss AG is the development of 'Super Generics', i.e. innovative medicines based on established active pharmaceutical ingredients (APIs), specifically designed to combat modern lifestyle diseases.

Orchard Therapeutics (Switzerland) GmbH 

Zug · Since 2021