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G-NETWORK AG 

Siebnen · Since 2004

The core activity of G-Network AG is real estate development, particularly the participatory design and maintenance of properties for communal living, as well as the provision of services in the fields of architecture, construction management, research, training, communication, and ecology.

Gripswiss AG 

Siebnen · Since 2023

The core activity of GripSwiss AG encompasses the areas of construction, surface treatment, renovation and damage management. Specifically, the company offers solutions for slip resistance, damage remediation, renovation of fire and water damage, mold remediation and optimization of surface quality. The company positions itself as a comprehensive service provider for damage management and renovation of buildings and surfaces.

Gucon GmbH 

Siebnen · Since 2017

Gucon GmbH provides personnel services such as workforce planning, recruitment and onboarding, together with sales support and business development (including for startups) and management assignments.

Health Bytes GmbH 

Siebnen · Since 2019

The core activity of Health Bytes is providing consulting services to companies in the healthcare and life sciences industry, particularly in the areas of digital health, medical technology and pharmaceutical industry.

Hegner Engineering, Inh. Stephan Hegner 

Siebnen · Since 2010

The core activity of Hegner Engineering is IT security, particularly the fight against cybercrime, as well as business support. This includes, among other things: audits and security checks of networks and systems, consulting and planning for the implementation of suitable security measures, delivery and configuration of firewalls, monitoring solutions and intrusion detection systems, training and consulting of employees in the use of e-mails and social media, checking web servers and websites for security gaps, and identifying social engineering potential. The company thus offers comprehensive services in the field of IT security to protect companies and organizations from cyber threats.

Hotel Schäfli GmbH 

Siebnen · Since 1995

Hotel Schäfli GmbH is a family-run business specializing in gastronomy and hospitality. The core activities include: operating a restaurant with various food and beverage offerings, renting hotel rooms in different categories (standard rooms, comfort rooms, Aabächli suite, Speer apartment), hosting events and celebrations in various rooms (hall, winter garden, wine cellar, Carnotzet, garden restaurant), and offering music events, particularly Swiss folk music. The company places emphasis on sustainability, ecology, regional food, and friendly and expert service by the staff.

HouseMix AG 

Siebnen · Since 2013

The core activity of HouseMix AG is full-service beverage product development, including recipe development, prototype creation, manufacturing and transfer to industry. The company offers comprehensive solutions for the beverage industry, from the initial idea to market launch. It develops and produces beverage concentrates, syrups and other beverage solutions for various customers, such as brand owners, gastronomy and distributors.

Idee Lebensqualität GmbH 

Siebnen · Since 2019

Idee Lebensqualität GmbH connects people, organisations and diverse talents to develop and implement ideas intended to support human and environmental well‑being.

J. A. N. Bau GmbH 

Siebnen · Since 2017

The core activity of J.A.N Bau GmbH is the provision of services in the construction industry, particularly in the areas of drywall construction, acoustics, fire protection, soundproofing, door assembly, demolition and disposal, as well as plastering work.

Jenny's Ergotherapie, Inh. Jenny Peretzke 

Siebnen · Since 2024

The core activity of the company 'Jenny's Ergotherapie' is ergotherapeutic home treatment for adults, particularly support, advice and accompaniment in regaining motor, mental and psychological abilities after illnesses or accidents.

JG Bauzeichner GmbH 

Siebnen · Since 2023

The core activity of JG Bauzeichner GmbH is the creation of construction drawings and the provision of CAD services, particularly for civil engineering. The company offers flexible and cost-effective solutions for customers by bridging personnel and time bottlenecks and reducing the costs of CAD licenses.

Kägi Bräu GmbH 

Siebnen · Since 2019

The core activity of Kägi Bräu GmbH is the production and sale of beer. The company offers a variety of beer types and allows customers to participate in brewing seminars, where they can accompany the brewing process and taste different beer types. Additionally, customers can also develop and produce their own beer creations.

Kappiserie GmbH 

Siebnen · Since 2024

Kappiserie GmbH is an artisanal patisserie producing handcrafted desserts, signature cakes and sweet tables for premium brands and events. Services include product development, large-scale production, pastry courses and sustainable, partly vegan recipes.

kiwicustom GmbH 

Siebnen · Since 2023

kiwicustom GmbH sells, services and consults on IT solutions and conducts research and development of information systems and business processes for hardware/software, mobile, web and virtual systems. The company also conceives and produces audiovisual media and content, particularly music videos, and serves clients such as SMEs, music bands and artists as well as projects in secure IT environments.

Küng Bauingenieur GmbH 

Siebnen · Since 2020

The company's core activity is the planning and execution of construction projects, particularly in the fields of building construction, civil engineering and steel construction. This includes new buildings, conversions and renovations of residential and commercial buildings, as well as special civil engineering works such as excavation pit closures and foundations.

Kurt Böni, Fugenabdichtungen 

Siebnen · Since 1998

Kurt Böni, Fugenabdichtungen provides joint-sealing services including silicone and hybrid joints, fire-stopping solutions and building waterproofing. It serves private property owners, architects/planners and acts as a subcontractor on construction projects.

Larete GmbH 

Siebnen · Since 2006

Larete GmbH is a network of professionals that develops products and services for non-profit organisations. The company provides administration services for non-profits, develops web-based administration platforms, supports non-profit startups and offers training and event spaces.

Lernserver Schweiz GmbH 

Siebnen · Since 2020

The company offers an online platform (learning server) for the diagnosis and promotion of spelling, handwriting, reading, mathematics and English for students, parents, teachers and schools. The platform includes individualized support folders, exercises and materials tailored to the students' weaknesses.

Lütze AG 

Siebnen · Since 1979

Friedrich Lütze GmbH is a leading company in the development, manufacture and distribution of electronic and electromechanical components and system solutions for automation and rail transport. The company's core activities include the manufacture of cables, connectors and other components for industrial automation, as well as the development of solutions for the cooling of control cabinets and the wiring of controls.

LL Vision AG 

Siebnen · Since 2024

LL Vision AG provides business consulting, offering individual 1:1 business calls, strategic advice and support for building business models. Services include legally and tax‑reviewed structuring, partnership and co‑investment arrangements, and digital content monetization strategies with AI‑enabled automation.