Technical Consulting & Engineering

Les Frères Lumière Sàrl 

Crissier · Since 2024

The core activity of the company "Les Frères Lumière" is the conception and planning of lighting solutions for various projects, particularly in the field of architecture. The company offers consulting, planning and implementation of lighting concepts to create a harmonious and functional lighting that meets aesthetic, technical and regulatory requirements.

Le Sourcier, Damien EVEQUOZ 

Crans Vs · Since 2023

The company's core activity is education and consulting in the field of geobiology and water divining. The company offers courses, workshops and internships to teach people how to develop the skills of a water diviner to locate water sources and underground structures. In addition, the company also provides services in the field of geobiology, such as site analysis and consulting for water source detection.

LESSTEC AG 

Beckenried · Since 2009

The core activity of Lesstec is the disinfection of drinking water pipes, particularly through the application of UV-C light and the L.E.S.S.-System (Light-Erasure-Spraying-System), a trenchless disinfection system for drinking water pipes. The company provides consulting and support for the sustainable and effective disinfection of drinking water pipes to remove biofilm of harmful germs and pathogens and promote a healthy, natural and stable biofilm.

Letron GmbH 

Möriken Ag · Since 2019

Letron GmbH is an engineering firm that provides project planning and consulting services in building services engineering.

Leventa GmbH 

Rapperswil Sg · Since 2024

Leventa GmbH provides consulting and engineering services in fire protection and building physics. The company focuses on timber-construction projects and delivers fire protection concepts, compliance documentation, quality assurance and building-physics analyses including energy certificates.

LEX Pharma Consulting SA 

Lugano · Since 2021

The core activity of LEX Pharma Consulting SA is the provision of CMC (Chemistry Manufacturing Control) consulting services to the pharmaceutical industry. This includes, among other things: CMC regulatory consulting, technical transfer of production processes, due diligence reviews for product evaluation, support in defining GMP starting materials, process validation strategies, preparation of authorization applications, and identification of suitable Contract Manufacturing Organizations (CMOs) for the production of custom synthesis starting materials. The company offers these services to improve the efficiency and quality of production processes in the pharmaceutical industry and to ensure compliance with regulatory requirements.

Lexpertis SA 

St-Saphorin (Lavaux) · Since 2019

Lexpertis SA provides expertise and assistance services in the field of real estate and construction law. The core activities include: Technical and legal expert opinions for real estate and construction projects; Accompanying buyers and sellers of real estate during transactions; Analysis of construction projects and identification of risks and defects; Preparation of expert opinions and reports for court proceedings; Mediation and arbitration in construction disputes; Consulting in the planning and execution of construction projects. The company offers its services to both private and institutional clients, including investors, companies, courts and public institutions.

LF Ingénieur Sàrl 

Cordast · Since 2019

LF Ingénieur Sàrl is an engineering firm specializing in the design and calculation of metallic structures for buildings and small civil works. Services include structural dimensioning and verification, detailed execution drawings, structural optimization and assessments (for example for photovoltaic installations or overhead cranes), as well as renovations and vertical extensions.

LGM GmbH 

Hünenberg · Since 2003

The core activity of LGM Group North Europe is the development and implementation of logistical solutions, particularly in the area of Integrated Logistics Support Management (ILS). This includes maintenance of complex systems, risk management, technical documentation, training, electrical engineering and software development. The company focuses on optimizing the availability and operational optimization of high-tech systems, especially in the fields of aviation, defense and transportation.

Lhomme et Simos Associés (LESA) Ingénieurs Conseils Sàrl 

Pully · Since 2022

Lhomme et Simos Associés (LESA) Ingénieurs Conseils Sàrl is an engineering consultancy active in railway infrastructure, special civil works and project planning. Its services include owner representation (BAMO), project development and management, planning and phasing of works, risk management, construction supervision and inspections, and support for public tenders and contract management.

LHTC Group GmbH 

Bern · Since 2021

The core activity of LHTC Group GmbH is consulting and supporting customers in the implementation of projects and training their employees. The focus is on conveying specialist knowledge and experience in the areas of law (LMS), technology, lean transformation and tunnel construction. The company works with professional partner companies to offer customers comprehensive support.

DX Engineering SA 

Echandens · Since 1987

The core activity of Liard et Dutruit is the provision of services in the fields of construction and engineering, particularly in the following areas: Construction: planning, execution and supervision of construction projects, including the creation of plans and coordination of work. Civil engineering: planning, execution and supervision of infrastructure projects, including the sizing of sewer and road structures. The company thus offers a wide range of services that cover both the planning and execution of construction and infrastructure projects.

Licht-Design GmbH 

Melchnau · Since 2024

The company "Licht-Design GmbH" offers individual lighting concepts and services in the field of lighting design.

LichTec GmbH 

Wollerau · Since 2023

The core activity of LichTec GmbH is the development, planning and installation of special lighting and lighting solutions. The company offers tailored solutions for various requirements, relying on innovative and solution-oriented approaches.

Lichtgestalt GmbH 

Adliswil · Since 2013

The core activity of Lichtgestalt GmbH is the planning, consulting, delivery and installation of lighting solutions as well as the provision of services in the field of lighting, including light conception, planning, luminaire alignment, energy certificates, lighting audits and the programming and commissioning of intelligent lighting controls.

Lichtgestaltung - Mathias Stich 

Basel · Since 2006

The company's core activity is lighting design and consulting in various fields such as architecture, film, photography, theatre and research. This also includes conducting workshops and lectures on the topic of light and lighting, as well as the development of technical processes and social interactions related to light.

Lichtkollektiv GmbH 

Zurich · Since 2022

The company offers consulting and support services in the field of lighting technology and planning. The core activities include: * Consulting and support in the development of luminaires and lighting systems, particularly in the area of Human Centric Lighting (HCL) * Energy consulting in connection with the fulfillment of the Federal Energy Strategy 2050 * Training and further education in lighting technology, including online teaching * Organization and implementation of events and conferences in the field of lighting technology * Consulting in the planning and implementation of daylight projects, including sun protection and thermal aspects of transparent building components * Independent lighting consulting for builders and architects, including quality assurance in lighting planning. The company positions itself as an independent expert in the field of lighting technology and planning and offers a wide range of services to support customers in the planning and implementation of lighting projects.

Lichtkultur AG 

Zurich · Since 2001

The core activity of Lichtkultur AG is the planning, consulting and implementation of lighting solutions for private living spaces, the gastronomy and hotel industry, as well as for indoor and outdoor areas. The company also offers a showroom for lamps and lighting planning and advises private individuals, architects and electrical installers on lighting design issues.

Licht- und Raumgestaltung Liz Hurni 

Lucerne · Since 2016

The company's core activity is professional lighting planning and lighting design, including lighting design, lighting technology and lighting consulting.

LICONTROL GmbH 

Münchenstein · Since 2022

The company's core activity is the planning, consulting, development and delivery of lighting technology and systems for stages, theaters, television studios and multi-purpose halls, including the manufacture of lighting control consoles, luminaires and DMX components.