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Peter Gysel Consulting GmbH 

Wollerau · Since 2013

The core activity of Peter Gysel Consulting GmbH is to advise and support companies in optimizing their communication, particularly in the areas of internal communication, external communication and strategic communication. This includes the development of communication strategies, promoting effective collaboration and communication in teams, as well as supporting companies in managing change processes and reputation risks. The company also offers workshops and online short workshops to support companies in implementing these goals.

Petrevski Holding AG 

Wollerau · Since 2022

The core activity of Reppucci & Petrevski AG is the rental, management and sale of real estate, particularly of self-developed properties.

PilatesWerft Andrea Bachmann 

Wollerau · Since 2024

The core activity of PilatesWerft is the provision of services in the field of Pilates training, including personal training, group training, retreats and education. The company also offers specialized training programs for specific target groups, such as pre- and postnatal training.

Polytrop AG Metall-Schleiferei 

Wollerau · Since 2019

The core activity of Polytrop AG is the processing of metallic surfaces through grinding, brushing, satining and polishing, both manually and with state-of-the-art machine technology. The company offers individual solutions for various industries such as pharmaceuticals, metal or medical technology, kitchen and facade construction, lighting, architecture and art.

Prestau AG 

Wollerau · Since 2011

Prestau offers solutions for the gastronomy industry, particularly for Quick Service Restaurants, to improve their menu management and optimization. The company's core activity is to provide software solutions that enable restaurants to manage, optimize and adapt their menus to increase sales and profitability. This includes features such as order management, POS integration, menu optimization and the ability to make individual adjustments. The goal is to help restaurants manage their menus more efficiently and increase sales.

Prime Property Development AG 

Wollerau · Since 1958

Prime Property Development AG is a real estate brokerage that markets and sells residential and premium properties. Its services include sales mandates, property valuations, off‑market deals, buyer search profiles and marketing of new‑build projects.

Prime Property Lounge Zug AG 

Wollerau · Since 2017

Prime Property Lounge Zug AG is a real estate agency that markets and brokers high‑value residential properties, including off‑market listings. The firm provides sales and purchase mandates, property valuations, search‑profile services and presentation and marketing support for exclusive properties.

Proman AG 

Wollerau · Since 2009

Proman AG is a company within the Proman group, which produces methanol, fertilizers and other natural-gas-derived products. The Proman AG webpage provides investor relations contact details and links for downloading financial information.

Proman Immobilien AG 

Wollerau · Since 2008

Proman Immobilien AG is responsible within the Proman group for strategy, governance, finance and risk management, and for large‑scale project development and the management of engineering and construction projects. Its teams undertake project development and explore uses of methanol and ammonia while examining ways to deliver greener fuels and more sustainable production methods.

Proman Investment Holdings I GmbH 

Wollerau · Since 2020

Proman Investment Holdings I GmbH is an entity within the Proman family of companies. Proman develops, produces, markets and distributes methanol, fertilizers and other natural gas‑derived products, covering value‑chain activities from project development and production to marketing and logistics.