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OGELEC SERVICES SA 

Lausanne · Since 2012

The core activity of OGELEC Services includes the planning, installation, maintenance and repair of electromechanical systems for wastewater management, in particular the construction and maintenance of pumping and lifting stations for wastewater, as well as the provision of services in the field of industrial and tertiary electrical power supply.

OJi Design Sàrl 

Lausanne · Since 2021

The core activity of Oji Design is to provide services in the field of construction, particularly in the following areas: Coffrage / Armatures: creation of individual plans for formwork and reinforcement using software such as Autocad and Cadwork. Fire protection: creation of plans for fire protection concepts. Building pollutant diagnostics: conducting diagnoses and analyses of pollutants in buildings, particularly in the context of renovation and conversion projects. The company offers these services as a subcontractor and emphasizes quality, speed, reliability, and competitiveness.

OK Construction Sàrl 

Lausanne · Since 2013

The core activity of OK Construction Sàrl is the provision of services in the construction industry, particularly in the new construction and renovation of properties in Switzerland. The company offers tailored solutions for construction and renovation projects, focusing on the use of sustainable materials and achieving the highest quality. Specific activities include: new construction of properties, renovation of properties, creation of customized solutions for construction and renovation projects, use of sustainable materials, and achievement of highest quality and reliability in all projects.

olbaT Sàrl 

Lausanne · Since 2021

The core activity of OLBAT is to provide services in the field of electrical engineering, particularly in the: * manufacturing of customized electrical switchboards * performing maintenance and repair work to ensure electrical safety and fire protection * installation and configuration of electrical systems and equipment. The company thus offers a combination of manufacturing, installation and maintenance of electrical systems and equipment.

Olga Cafiero, photographe et retoucheuse 

Lausanne · Since 2011

The company's core activity is photography. Olga Cafiero is a photographer who presents her work in exhibitions and magazines and has already received several awards and distinctions.

Olluri Sàrl 

Lausanne · Since 2022

Olluri Sàrl provides construction, renovation and design services, including plastering and painting, external insulation, chape sèche, tiling, drywall and ceiling systems. The site also lists services such as decorative and acoustic ceilings, concrete ciré and perimeter insulation.

OLSBURGH SMILE FOUNDATION 

Lausanne · Since 2022

The core activity of the company "Olsburgh Smile Foundation" is the promotion and training in the field of dentistry, particularly orthodontics. This includes organizing conferences, seminars and training programs for dentists, orthodontists and dental assistants, as well as exchanging knowledge and experiences with international partners such as the University of Southern California.

olyfia.com Sàrl 

Lausanne · Since 2020

The core activity of olyfia.com is to provide marketing, strategy and innovation services to start-ups and established companies. This includes: Branding: development of brand identities and stories; Consulting: market analysis, market entry strategies, product positioning and customer acquisition; Project management: support in the implementation of projects and team integration. The company supports customers in developing solutions to their challenges and helps them realize their ideas.

Olympic Broadcasting Services SA 

Lausanne · Since 2003

Olympic Broadcasting Services SA is the host broadcast organisation for the Olympic and Paralympic Games, producing the international live television, radio and digital feeds (International Signal/World Feed). The organisation designs, builds and operates the International Broadcast Centre (IBC) and provides technical and broadcaster services to Media Rights-Holders, including venue-based solutions to personalise coverage.

Olympische und Paralympische Winterspiele Schweiz 2038 (OPWS2038) 

Lausanne · Since 2024

The core activity of Swiss Olympic is the promotion and support of Swiss sports, particularly the representation of the interests of private-law organized sports and the creation of conditions for sporting success at the international level, as well as the dissemination and anchoring of Olympic values in society.

O Mýlos Sàrl 

Lausanne · Since 2015

The core activity of O Mylos is in the field of gastronomy, specifically in the operation of a Greek take-away restaurant in Lausanne, Switzerland. The company offers traditional Greek dishes as well as innovative street food specialties, available both on-site and for take-out.

Ondefy SA 

Lausanne · Since 2021

The core activity of Ondefy is to offer a platform for buying and selling cryptocurrencies, particularly its own token "The People's Coin" (also referred to as PEEP$). The platform allows users to purchase cryptocurrencies using various payment methods such as credit cards, bank transfers, Apple Pay, or Google Pay. Ondefy also provides a secure and user-friendly environment for cryptocurrency trading and makes information available on the security and risks of cryptocurrency trading.

One By Margot Hiller 

Lausanne · Since 2024

The company's core activity is providing coaching services in the areas of health, wellness, and nutrition. The company offers personalized coaching and programs to support customers in achieving their health and wellness goals, particularly in the areas of nutrition, weight management, and stress reduction.

OneSecondDelivery Sàrl 

Lausanne · Since 2017

The core activity of OneSec is the development and deployment of artificial intelligence (AI)-controlled drones for the fast and cost-efficient delivery of food and goods, particularly in the area of food and e-commerce deliveries.

Oneweek & Co. Sàrl 

Lausanne · Since 2009

The core activity of oneweek.ch encompasses services in the areas of accounting, taxation and human resources.

ONSA ADVISORS SA 

Lausanne · Since 2019

The company offers two core activities: 1. **Family Office**: The company provides comprehensive services to wealthy families, including management of banking relationships, support for relocation of family members, administrative tasks and more. 2. **Investment Scouting**: The company proactively identifies investment opportunities for its clients and supports them in finding lucrative investments. In addition, the company also offers other services such as fiduciary services, tax consulting, corporate consulting and risk management.

OPAN concept SA 

Lausanne · Since 2017

OPAN concept SA is an engineering consultancy specializing in civil engineering, sustainable development and geographic information systems applied to road and rail infrastructures. Its services include project management (BAMO/DGT), design and construction supervision, asset management, technical expertise and consulting (e.g. CFUP, seismic, occupational safety), BIM and GIS solutions.

Opiano Sàrl 

Lausanne · Since 2022

The company Opiano offers music lessons, particularly piano lessons, for adults in Lausanne. The core activity includes individual and collective courses, such as Initiation au piano, Cours de piano jazz and Atelier musical.

Optic 2000 Bessières SA 

Lausanne · Since 2006

Optic 2000 Bessières SA is an optical and hearing-care retailer offering prescription glasses, sunglasses, contact lenses and hearing aids. The store provides vision and hearing assessments, fittings, maintenance (including ultrasonic cleaning), and warranty and payment options.

OPTIC 2000 Lausanne SA 

Lausanne · Since 1974

OPTIC 2000 Lausanne SA provides optical and auditory services and retails eyeglasses, sunglasses, contact lenses and hearing aids, including eye examinations, fittings, maintenance and warranty services.

OPTIC SWISS SERVICES SA 

Lausanne · Since 1998

The core activity of Optic Swiss Services SA is the operation of a central purchasing hub for optical products and services, particularly for independent opticians in Switzerland. The company offers its members access to preferred purchasing conditions with a wide range of suppliers, including eyewear manufacturers, opticians and contact lens laboratories. The goal is to support the financial independence of opticians and help them defend their margins.

Optimum Company Registration Agents Sàrl 

Lausanne · Since 2007

The company provides services in the area of founding and managing Swiss companies, including the creation of companies, provision of business addresses and phone numbers, handling of accounting and taxes, as well as the activation and management of double taxation agreements. Furthermore, the company also offers consulting services regarding the structuring of Swiss companies, tax optimization and compliance with legal requirements.

Oral-Clinic by Tétaz 

Lausanne · Since 2009

The core activity of Oral Clinic is the provision of dental medical services, including prevention, diagnosis, treatment and surgical interventions in the field of dentistry, such as dental cleaning, implantology, prosthodontics, periodontology and aesthetic dental treatments.

Ordanais SA 

Lausanne · Since 2022

The company Ordanais SA offers various services in the field of gastronomy and food. The core activities include: Repas@home: a service that delivers meals to customers' homes; Service traiteur: a catering service for events and occasions; Chef à domicile: a service where a chef cooks directly at the customers' homes; Epicerie: a food store or online epicerie offering food and other products. Overall, the core activity of the company can be described as gastronomy and food services.

ORESYS (Suisse) SA 

Lausanne · Since 2010

Oresys is a consulting firm specializing in the areas of architecture, organization, and transformation of companies. The company's core activity is consulting and expertise in the following areas: enterprise architecture, organization and processes, corporate transformation projects, data analysis and management, asset management, and digital transformation. The company supports its clients in optimizing their business processes, improving their efficiency, and increasing their profitability. It also offers specific services in the areas of finance, marketing, supply chain, and IT.

Orgenesis Switzerland Sàrl 

Lausanne · Since 2020

Orgenesis Switzerland Sàrl develops and implements the POCare platform for cell and gene therapies, focusing on process development, validation and automated closed‑loop bioprocessing units (OMPUL™) for decentralized point‑of‑care production.

Originfood Sàrl 

Lausanne · Since 2018

Originfood Sàrl provides CertCare, a SaaS or on-premise platform for managing end-to-end product regulatory and compliance processes, automating the exchange of regulatory documents, and tracking compliance status in real time. The platform includes modules for vendor/customer collaboration, EHS compliance, AI-based data extraction, API integration, and document authentication features.

ORPER Sàrl 

Lausanne · Since 2019

ORTHETHIC Kern SA 

Lausanne · Since 2012

The core activity of Ortho.Kern is the manufacture and sale of orthopedic aids, particularly orthoses, prostheses, orthopedic shoes and podological products. The company offers a wide range of products to support the mobility and comfort of people with orthopedic needs.

ORUS INNOVATIVE BUILDING Sàrl 

Lausanne · Since 2023

ORUS INNOVATIVE BUILDING Sàrl is an engineering firm focused on thermal and energy engineering for buildings, providing services for industrial, tertiary and complex projects including owner's representation in building services, HVAC+R engineering, fire protection solutions, and maintenance follow-up.

Otero Etanchéité SA 

Lausanne · Since 2022

Ouroboros Neurotechnologies Sàrl 

Lausanne · Since 2019

The core activity of Ouroboros Neurotechnologies is the development of artificial intelligence (AI) for predicting human brain activity, particularly through the use of machine learning algorithms and deep neural networks on brain scan data (EEG, fMRI). The company is developing the Neuropolis system, which aims to predict brain activity and thus lay the foundation for the development of neural interfaces and multimodal base models for neuroscience.

Overall SA 

Lausanne · Since 2022

Overall SA acts as an independent insurance broker providing insurance brokerage, mortgage financing, financial planning and business-support services for private clients, companies, municipalities and the self-employed. The company also assists with turnkey company formations and coordinates a network of fiduciaries, legal advisors and real-estate experts.

Overseas Engineering AM Sàrl 

Lausanne · Since 2005

The core activity of Overseas Engineering AM Sàrl is the development, manufacture and distribution of control and regulation valves as well as related products and services for industry, particularly for the fields of chemistry, petrochemistry, oil and gas, energy and other sectors requiring reliable and precise control technology.

OWL productions, Graber Patrick 

Lausanne · Since 2000

The core activity of Owl Productions is the production of films, series and documentaries, particularly in the field of Swiss cinema. The company is also involved in organizing open-air cinema events and supporting crowdfunding campaigns for film projects.

Oxand Sàrl 

Lausanne · Since 2009

The company provides consulting and software services in the field of asset management, particularly for companies in various industries such as energy, industry, infrastructure, transportation, banking, and insurance. The core activity includes the development and implementation of strategies and solutions for optimizing asset management processes, risk management, and improving the efficiency and sustainability of companies. The services are aligned with the fulfillment of international standards and guidelines such as ISO 55001, ISO 31000, and others.

OZ société fiduciaire Sàrl 

Lausanne · Since 2006

The core activity of Fiduciaire OZ is the provision of services in the fields of auditing, tax consulting and business consulting. Specifically, this includes: accounting and financial consulting, tax consulting and planning, business consulting and organization, auditing and revision, as well as expert opinions and reports for court proceedings. The company supports its clients in managing their finances, optimizing their tax burden and solving entrepreneurial challenges.

Palazzo Ethics Advisory Sàrl 

Lausanne · Since 2023

The company's core activity is business ethics consulting, particularly the development of codes of conduct, the improvement of integrity cultures and the promotion of ethical leadership behavior in companies.

PALYANCE SA 

Lausanne · Since 2018

PALYANCE SA is a payment service enabling online purchases without customers sharing their bank or card details with merchants. The company provides personal accounts with transaction history, one-click payments, refund handling and merchant integration, and operates under Swiss payment regulation.

Panemax Sàrl 

Lausanne · Since 2013

Panemax Sàrl is an independent boutique services company active in three main areas: tailored communication services, legal services and corporate finance. Services include global communications and PR, crisis communication, digital and social media content, commercial and corporate law including intellectual property, and sourcing/structuring direct investments and strategic advisory for family offices, private equity funds and start-ups.

Papajosette Sàrl 

Lausanne · Since 2022

Papajosette Sàrl is an art store that combines a concept‑store and a gallery. It exhibits and sells contemporary artworks and limited editions, offers related products such as sneakers, jewelry and watches, and presents digital art and NFTs via screens and online links.

Papajosette Veyrat 

Lausanne · Since 2021

Papajosette Veyrat is an art store and gallery operating as a concept store combined with exhibition space, showcasing urban art, design and fashion. Offerings include original artworks and limited editions, alongside jewelry, watches, sneakers and digital art/NFTs, and the gallery represents and exhibits various artists.

Pareto Sports SA 

Lausanne · Since 2018

The core activity of Pareto Sports SA is the brokerage and development of partnerships in the sports sector, particularly in the areas of sports marketing, media, commercialization, law and operational implementation of sports events. The company supports rights holders, sponsors and local organizing committees in the development of partnerships and the marketing of sports rights.

Parfois Switzerland Sàrl 

Lausanne · Since 2023

Parfois Switzerland Sàrl is a retailer of women’s fashion and accessories that operates an online shop offering products such as bags, jewellery and clothing.

ParFX Holding SA 

Lausanne · Since 2013

ParFX Holding SA is an electronic wholesale spot FX trading platform that uses a randomized-pause matching mechanism for order submissions, amendments and cancellations. The platform provides lit pre-trade and full post-trade disclosure, access via a FIX API, and is open to professional institutions able to settle via CLS, including banks and non-bank participants.

Parking de Bellefontaine S.A. 

Lausanne · Since 1972

Parking Saint-François S.A. 

Lausanne · Since 1976

Parking Saint-François S.A. operates a public parking facility with 192 spaces and 24/7 access. The facility offers services including valet parking, two EVPass charging stations, larger XXL parking spaces on certain levels, and direct access to metro lines M1, M2 and LEB.

PARRHESIA HELVETIE Sàrl 

Lausanne · Since 2013

The company Parrhèsia provides consulting services, particularly in the areas of management, communication, and corporate culture. The core activity of the company is to support businesses in identifying, developing, and implementing their values and corporate culture to improve their performance, motivation, and collaboration. This includes conducting diagnoses, developing strategies, and implementing measures to enhance corporate culture and performance.

Partager.io SA 

Lausanne · Since 2021

Partager.io SA is a digital publishing platform that enables authors to create and publish newsletters and other publications and to manage subscriptions. The service supports free and paid publications, handles payment collection (including SEPA) and provides promotional features to increase visibility between publications.

PARTNAIRE SUISSE SA 

Lausanne · Since 2023