Testing and inspection body in
Lucerne

Gübelin Gem Lab Ltd.

Since 1998 · 11–20 empl.

Gübelin Gem Lab Ltd. is an independent gemmological laboratory that scientifically analyses gemstones to determine their identity, authenticity, origin and possible treatments. It issues gemmological reports and conducts research into gemstone analysis.

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.

Wirth Management GmbH advises businesses on quality and environmental management, workplace health management and business excellence. Its services include developing and improving management systems, process management, audits, compliance reviews, coaching and consulting.

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)

Elektroinstallationen und Controlling Siegrist GmbH carries out periodic and acceptance inspections of electrical installations, as well as inspections of boats, and undertakes small electrical installation jobs. Its model-building work includes planning and building electric locomotives and carriages in various scales.

Kanal-24 GmbH

Since 2025 · 1–10 empl.

Kanal-24 GmbH provides sewer cleaning, pipe maintenance and wastewater technology services. Its services include cleaning, maintaining, rehabilitating and inspecting drainage systems, as well as leak testing, suction work, sewer inspections and a 24-hour emergency service.

Mark Haacke Compliance Engineering GmbH

Since 2026 · 1–10 empl.

Mark Haacke Compliance Engineering GmbH advises businesses on product compliance for machinery, plant and other technical products. Its areas of work include CE conformity, vehicle safety, product safety, cybersecurity and explosion protection.

IBS-Institut für Bauschadstoff-Diagnostik AG

Since 2022 · 1–10 empl.

Control Sense GmbH

Since 2026 · 1–10 empl.