Testing & Inspection Centers in
Lucerne

Gübelin Gem Lab Ltd.

Since 1998 · 11–20 empl.

The Gübelin company is primarily active in the analysis and certification of precious stones. It offers services such as colour grading, Provenance Proof, report verification and scholarships to dealers and collectors. Additionally, it provides online lectures and training in the field of gemmology.

unimon GmbH

Since 2010 · 1–10 empl.

The core activity of GWF Unimon is the development and implementation of solutions for monitoring and analyzing water quality, particularly in the areas of drinking water, wastewater and industry. This includes conducting measurement campaigns, installing and integrating measurement technology, analyzing data, and creating expert reports and consulting services. The company also offers training and support services to support customers in the use of measurement technology and data analysis.

Institut für seltene Erden und Metalle AG

Since 2017 · 1–10 empl.

The Institute for rare earths and metals AG (ISE) is a Swiss company specializing in the trade and evaluation of rare earths and metals. The company's core activities include: * Buying and selling rare earths and metals * Evaluating and rating rare earths and metals * Evaluating strategic metals and high-purity metals * Conducting metal bank audits * Providing prices for metals, rare earths, and strategic metals * Conducting metal analyses and consulting services The company offers its services in various areas, including: * Rare earths (REE) * Strategic metals * High-purity metals * Base metals (e.g., aluminum, copper, lead, nickel, tin, zinc) * Other metals (e.g., antimony, arsenic, beryllium, bismuth, cadmium, calcium, chromium, cobalt, gallium, germanium, indium, lithium, magnesium, manganese, mercury, molybdenum, niobium, rhenium, selenium, tantalum)

Wirth Management GmbH

Since 2016 · 1–10 empl.

The core activity of the company "wirth management" is the consulting and support of companies in the implementation and improvement of quality, environmental and occupational health and safety management systems. This includes the development and implementation of improvement processes, quality, environmental and occupational health and safety training, risk and hazard analyses, as well as the creation of measures for occupational safety and environmental protection. In addition, the company also offers expertise in the field of building envelopes and sheet metal work.

Planzer Control AG

Since 1999 · 11–20 empl.·4.5(2)

The core activity of Planzer Control AG is the monitoring and evidence securing of buildings, particularly in the preventive evidence securing through crack protocols and building monitoring, as well as in the damage assessment in the event of occurred damages.

Hydrolab AG

Since 2023 · 1–10 empl.

The core activity of Hydrolab is water analytics and the development of solution concepts for the safety and quality of water. This includes in particular: the implementation of laboratory tests for microbiological contamination such as Legionella, E. coli and other bacteria; the analysis of intact cell count in water samples; the development of individual hygiene and solution concepts for water treatment and processing; and consulting and supporting customers in complying with regulations and drinking water ordinances in the DACH region (Germany, Austria and Switzerland).

Elektroinstallationen und Controlling Siegrist GmbH

Since 2002 · 1–10 empl.·5.0(1)

The core activity of Elektroinstallationen und Controlling Siegrist GmbH is the provision of services in the field of electrical systems, particularly in the control and maintenance of electrical systems, as well as the execution of small electrical installations and model construction projects.

Kanal-24 GmbH

Since 2025 · 1–10 empl.

Kanal-24 GmbH provides professional pipe and sewer cleaning as well as maintenance, inspection, and rehabilitation of drainage systems. The company serves private, commercial, and municipal customers and also offers leak testing, suction services, and a 24-hour emergency service.

Mark Haacke Compliance Engineering GmbH

Since 2026 · 1–10 empl.

Mark Haacke Compliance Engineering GmbH provides compliance engineering services. The company combines technical and legal expertise for topics such as product safety, CE conformity, machinery directive requirements, homologation, functional safety, EMC and cybersecurity.

IBS-Institut für Bauschadstoff-Diagnostik AG

Since 2022 · 1–10 empl.

Control Sense GmbH

Since 2026 · 1–10 empl.