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okoa GmbH 

Zurich · Since 2021

The core activity of Okoa GmbH is the creation of multichannel content and productions, particularly in the areas of digital production, print, TV, and technological innovation. The company offers creative solutions to clients through a multidisciplinary team focused on developing innovative ideas and experiences. The core activities include, among others: Creative studio services, Content creation for various media and audiences, Innovative storytelling, Design and production of digital content, 3D and motion design, and Interactive media design. The company positions itself as a Creative Studio specialized in developing creative solutions for clients.

Oliven & Öl Handelshaus AG 

Zurich · Since 2018

The company Oliven & Öl Handelshaus AG is a retail company specializing in the sale of olive oil, ceramics, and other products. The core activity of the company is the operation of three retail stores in Zurich, where customers can find a selection of olive oils, ceramic products, and other items. The company also offers gifts, subscriptions, and individual consulting services.

Oloid Concept GmbH 

Zurich · Since 2011

The core activity of Oloid Concept GmbH is the creation of visually strong solutions in the field of branding and design, particularly the development of corporate designs, magazine designs and strategic branding for various clients.

Olsen Financial Technologies GmbH 

Zurich · Since 2004

The company's core activity is providing data infrastructure and access solutions for small and medium-sized enterprises (SMEs), particularly in the area of financial data. The company offers access to live data from various sources such as ICE Data Services, Bloomberg Data License, Morningstar, and OANDA Corporation, and supports the integration of this data into internal networks and applications.

OM Option Model Agency AG 

Zurich · Since 1987

OM Option Model Agency AG is a modelling agency that represents female and male models and arranges bookings for editorial, fashion and commercial assignments. The agency maintains divisions for international, in‑town, classic and special bookings and hosts the Swiss Elite Model Look final.

Onari Projects GmbH 

Zurich · Since 2022

The core activity of Onari Projects is the provision of design services, specifically: Graphic Design, Creative Direction, Signage Design, Branding and Corporate Identity, Editorial Design, Web Design, Spatial Design, and Art in Construction. The company offers these services as a multidisciplinary design studio, focusing on the development of individual visual aesthetics through unconventional methods.

One 4 You IT GmbH 

Zurich · Since 1998

One 4 You IT GmbH provides internet services and web hosting, including domain management, e‑mail hosting, multiple hosting packages, Plesk server access and technical support.

ON Elektro AG 

Zurich · Since 2022

The core activity of ON Elektro AG is the provision of services in the field of electrical engineering, particularly in the following areas: electrical installations, network and telecommunications solutions, building automation, e-mobility solutions, lighting and illumination solutions, and maintenance and servicing of electrical systems. The company offers these services as a full-service provider, from consulting and planning to execution and maintenance.

OneSpan International GmbH 

Zurich · Since 2006

OneSpan International GmbH provides authentication and fraud-prevention solutions to secure users, devices, and applications, and offers digital-agreement products such as secure eSignature, identity verification, and smart digital forms.

OneSpan Solutions GmbH 

Zurich · Since 2009

OneSpan Solutions GmbH provides cybersecurity and digital agreements solutions, including authentication and fraud-prevention products as well as electronic signature and identity verification services.

Openroom GmbH 

Zurich · Since 2013

The company's core activity is the creation of creative concepts and strategies for companies to create and strengthen brand values. This includes services such as market analysis, brand strategy, communication strategy, media strategy and planning, consulting, creative campaigning and the production of high-quality content for various media. The company supports customers in developing social media and performance marketing campaigns and helps them identify and implement trends.

Openstream Internet Solutions, Inh. Nick Weisser 

Zurich · Since 2010

The company's core activity is the development and implementation of e-commerce solutions, web design and search engine optimization (SEO) for Swiss companies, associations and artists. The company offers full-service solutions in the areas of e-commerce, web design and SEO, using sustainable technologies such as WordPress, WooCommerce, Magento and Shopify.

OpenTrack Railway Technology GmbH 

Zurich · Since 2006

OpenTrack Railway Technology GmbH develops and distributes the OpenTrack railway simulation software for modelling, simulating and analysing rail networks and operations. The product includes tools for capacity analysis, timetable construction, running-time and headway calculations, supports interfaces such as railML, provides an API and can co-simulate with OpenPowerNet.

Oppliger Architekten AG 

Zurich · Since 2017

The company Oppliger Architekten AG is an architectural firm whose core activity lies in the planning, design and realization of sustainable and ecological construction projects. The core activities include: Architecture: design, planning and construction of buildings and spaces; Construction Management: project development, risk and cost management, scheduling and construction control; Construction Supervision: overall control of ongoing projects, construction site monitoring and construction site management; Energy and Ecology: consulting and planning of energetic and ecological solutions for construction projects; Competitions: participation in architectural competitions and search for creative solutions for construction projects. The company thus offers a comprehensive range of services for builders and investors, from initial planning to the realization of construction projects.

Oppliger Baumanagement AG 

Zurich · Since 2008

The core activity of Oppliger Baumanagement AG is construction management, i.e. the planning, organization and supervision of construction projects, in order to deliver high-quality buildings to customers on time and without hassle.

Oprandi & Partner AG Zürich 

Zurich · Since 1991

Oprandi & Partner AG Zürich supports companies in filling leadership and specialist positions and provides services in personnel recruitment, executive search, succession planning (next generation) and ad interim management. The firm also advises candidates on career planning and acts as an intermediary between employers and potential candidates.

Optimum Insurance Brokers SA 

Zurich · Since 2013

Optimum Insurance Brokers SA is an insurance broker that advises corporate clients on property, transport and employee insurance as well as on special risk coverages. Services include solutions for cyber, directors and officers (D&O), fraud, kidnapping & ransom and political risks, and the firm offers international insurance programmes via the Verspieren International network; it is FINMA-certified (F010 41 018).

ORCA Systems AG 

Zurich · Since 2000

The core activity of ORCA Systems is software development, including software customizing, system integration, consulting and support. The company develops tailored software solutions for various industries, including banks, insurance companies, universities and others, and also provides support and further development of the software.

Orea AG 

Zurich · Since 2012

The core activity of Orea is the manufacture and distribution of high-quality kitchens, furniture and accessories for living and residential spaces. The company offers individual kitchen concepts, furniture and fittings that can be tailored to meet the needs of its customers.

Oriens Swiss Advisors AG 

Zurich · Since 2016

The core activity of Oriens Swiss Advisors Ltd. is the provision of wealth management services, including: wealth management, family office services, governance consulting, investment advisory, discretionary mandates (investment management based on individual investment strategies), and analysis and consulting of investment portfolios. The company offers its clients individual investment advice and management based on their specific needs and expectations. It works closely with leading Swiss banks to provide its clients with access to a wide range of investment products and strategies.

Orpheum, Stiftung zur Förderung junger Solisten 

Zurich · Since 1990

The company's core activity is the promotion of young soloists in the field of classical music through the organization of concerts, consulting and networking services, as well as the commissioning of compositions and the implementation of workshops and concerts in collaboration with renowned music institutions.

Transkalar GmbH 

Zurich · Since 2010

The core activity of OST Architekten GmbH is the planning and realization of architectural projects, particularly in the areas of renovations, new constructions and urban development, such as kindergartens, schools, residential buildings and public spaces.

Ottagono + Rechsteiner Interior AG 

Zurich · Since 1979

The core activity of Ottagono+Rechsteiner Interior is the planning and implementation of interior architecture projects, including the design of spaces, bathroom and kitchen planning, furniture planning, and the coordination of construction projects. The company offers its services as experienced planners, consultants, and architects, and is dedicated to creating unique and personalized spatial environments for private individuals and companies.

ottpromotion gmbh 

Zurich · Since 2016

The core activity of ottpromotion GmbH is the creation and development of professional websites, webshops, online presences and digital solutions for companies, including web design, SEO/SEA marketing, social media and content creation. The company also offers services such as ticketing systems, event calendars, booking systems and member directories.

Packartis AG 

Zurich · Since 1998

The core activity of Packartis is the development, production and distribution of packaging films for various industries, particularly for the food and medical industries. The products include flexible films, top films, bottom films, rigid films, flowpack films, seal edge bags, doypacks and lid films for trays.

paolo dutto photographer 

Zurich · Since 2015

paolo dutto photographer is a professional photographer offering portrait, reportage and corporate photography services. He produces image campaigns, documents events and develops artistic projects.

Papayastudio GmbH 

Zurich · Since 2024

The core activity of papayastudio is the operation of a circular second-hand store offering high-quality clothing, shoes, and accessories. Additionally, the company provides a clothing collection and repair service and recycles unwearable clothing in collaboration with ademain.ch into new materials.

parallactic gmbh 

Zurich · Since 2017

The core activity of Parallactic GmbH is the development of web applications, particularly websites and business apps that have high demands on individuality and aesthetics.

Pareto Asset Management AG 

Zurich · Since 2024

Pareto Asset Management AG provides capital markets and corporate finance services, including brokerage, investment banking, project finance and research.

Pareto Securities AG 

Zurich · Since 2017

Pareto Securities AG is an independent full-service investment bank active in the Nordic capital markets with international operations. It provides brokerage, investment banking, project finance, research and capital markets placement services.

Parsumo Capital AG 

Zurich · Since 2010

The company is a financial services provider specializing in asset management and investment consulting. The core activity consists of offering customers individual investment strategies based on sustainability and ethical principles. This also includes advisory services, where customers are supported in their investment decisions. The company focuses on selecting companies that are distinguished by innovative and sustainable business models, particularly in the areas of cleantech, clean energy, and digital transformation of the financial industry.

Pascal Wassmann Architekten GmbH 

Zurich · Since 2019

Pascal Wassmann Architekten GmbH is an architectural practice that carried out design, project and construction planning and participated in architectural competitions; the website presents a selection of the work of the now inactive firm. Projects include residential buildings, elderly housing, schools, kindergartens and other public buildings.

Pascarelli GmbH 

Zurich · Since 2012

The core activity of Schreinerei & Glaserei Pascarelli GmbH is the manufacture and distribution of wood and glass products, particularly in the fields of carpentry and glazing.

Paul Geissbühler + Partner AG 

Zurich · Since 1998

The core activity of Paul Geissbühler + Partner AG is individual, international wealth management for private clients. The company offers independent and international wealth management services, including portfolio management in major Western currencies.

Pava Partners Advisory Switzerland AG 

Zurich · Since 2001

The company's core activity is advising and executing transactions, particularly Mergers & Acquisitions, equity financing and Debt Advisory, across various industries such as Business Services, Consumer & Internet, Cybersecurity, Health Care, Industrials & Robotics, Mobility Tech, Semicon, Software and Sustainability Tech.

PBM Planungs- und Baumanagement AG 

Zurich · Since 1999

The company provides services in the field of construction management and project management for new and renovation projects in the sector of utility buildings, office, industrial and retail buildings as well as residential buildings. The core activities include cost planning, schedule management, risk assessment, detailed cost planning, cost control, project management, construction acceptance and warranty period monitoring.

PD Dr. med. Lars Asmis, ZPTH 

Zurich · Since 2023

The company ZPTH (Centre for Perioperative Thrombosis and Haemostasis) is engaged in the diagnosis and treatment of blood coagulation disorders, particularly in connection with surgical interventions. The core activity includes the clarification and therapy of bleeding and thrombosis tendencies, as well as the monitoring and consulting of patients with regard to their blood coagulation. The company also offers consulting services for doctors and patients and works closely with referring physicians and other medical specialists.

Pearlbooksedition B. Wettstein 

Zurich · Since 2009

The company Pearlbooksedition is a publishing house specializing in the publication of books. The core activity of the company is the production and distribution of books, as evidenced by the contact details and address in Zurich, as well as the mention of delivery partners in Switzerland and France.

PEDCO AG 

Zurich · Since 2013

PEDCO AG provides software and consulting for lean‑agile quality management and regulatory compliance, including the PEDCO AuditPro platform, the PEDCO AI Companion, and Applied SAFe®. Services include training, process engineering, audit automation and managed process services for regulated industries such as automotive, med‑tech and aerospace.

Pensionskasse APG/SGA 

Zurich · Since 1934

Pensionskasse Mitarbeitende P-Schweiz 

Zurich · Since 1998

Pentafolio AG 

Zurich · Since 2022

Pentafolio AG is an independent advisory firm offering an algorithmically diversified performance strategy (ADPS) for rule-based selection and reoptimization of equity portfolios. The company provides advisory services to asset managers and private investors, supplying methodology-based portfolio guidance and implementation support.

PeriPump GmbH 

Zurich · Since 2013

PeriPump GmbH supplies peristaltic tube pumps, dosing and filling systems, and compatible tubing for industrial, laboratory and OEM applications. The product range includes panel-mount OEM built-in pumps (Welco), process and laboratory peristaltic pumps (Shenchen), and various tube materials and sizes for peristaltic use.

PERITA AG 

Zurich · Since 2019

PERITA AG is a provider of construction management for building projects, supporting clients and architects across all SIA project phases. Its services include construction management, client representation and alliance management, general planning, cost management, modernization, project and overall management, and second opinions/expert assessments.

PERITA GP AG 

Zurich · Since 2022

PERITA GP AG provides management services for building construction projects and supports clients and architects through all project phases. Its services include construction management, general planning, cost management, project and overall leadership, modernisation and second‑opinion expert assessments for public and private projects.

Personalvorsorgestiftung SIX Group 

Zurich · Since 1974

Personalvorsorgestiftung SwissShoe 

Zurich · Since 1985

Perspektive Kind, C. Bühler 

Zurich · Since 2022

Perspektive Kind, C. Bühler provides certified legal representation and advice for children and adolescents in family and child-protection proceedings. Services include representing minors before courts and child/adult-protection authorities, conducting age-appropriate interviews (including home visits) and collaborating in interdisciplinary settings; the practice serves the regions of Zurich, Thurgau, St. Gallen, Graubünden and Liechtenstein.

Peter Moor GmbH 

Zurich · Since 2008

The company Peter Moor GmbH is an architectural firm specializing in the planning and realization of construction projects. The core activity of the company includes the creation of designs, plans and executions of various types of buildings, such as residential houses, schools, swimming pools, restaurants and other public and private buildings. The company also offers services in the field of monument preservation and the overall renovation of existing buildings.

Peter Spillmann 

Zurich · Since 1988