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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 2014

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.

Mächler Wärmetechnik GmbH 

Siebnen · Since 2017

Mächler Wärmetechnik GmbH is a service company specializing in the planning, installation, maintenance, and renovation of heating systems. The core activities include: * Renovations of heating systems in single-family and multi-family homes * Installation and maintenance of heat pumps, hybrid systems, air conditioning systems, wood heating systems (log wood) and solar systems * Sales and distribution of heat technical systems * Maintenance and repair work on heating systems * Combustion control, boiler descaling and oil line renovation The company offers a comprehensive range of services in the field of heat technology and positions itself as a competent partner for heating installations and renovations.

Malergeschäft Naim Krasniqi 

Siebnen · Since 2020

The core activity of Malergeschäft Naim Krasniqi is the execution of painting and wallpapering work, facade renovations, natural wood treatments, and drywall and plastering work in the interior and exterior of buildings.