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Treuhand Willimann AG 

Lucerne · Since 2004

Treuhand Willimann AG provides fiduciary and tax advisory services for SMEs, start-ups, private clients and real estate managers, covering bookkeeping, payroll administration and the preparation of interim and annual financial statements.

Treuhand Willimann Immobilien AG 

Lucerne · Since 1965

Treuhand Willimann Immobilien AG provides property management and real estate advisory services, including property accounting, tenant management, rent collection and ancillary cost statements, as well as maintenance and renovation coordination.

Trevag Treuhand, Revisionen und Versicherungen AG 

Lucerne · Since 1997

Trigon Entwicklungsberatung Syntaktisch-hypnosystemische Beratung von Mensch, Organisation und Gesellschaft GmbH 

Lucerne · Since 2020

The company provides consulting and services in the areas of organizational development, strategy development and innovation management. It supports companies in shaping their corporate culture, developing teams and departments, optimizing processes and coping with change. In addition, it offers services in the areas of crisis management, employee and customer surveys, and the development of innovation management systems. The company's core activity is therefore consulting and supporting companies in shaping and optimizing their organization and strategy.

Trigonet AG 

Lucerne · Since 2001

Trigonet AG provides geoinformation and surveying services, including official surveying, construction and specialist surveys, and utility cadastre. The company also offers geoinformatics and BIM services, geomonitoring, land management, as well as consulting, training and evidence-preservation measurements.

TRIPOL Architekten AG 

Lucerne · Since 1982

The core activity of TRIPOL Architekten AG encompasses the planning and realization of construction projects in the areas of new building, renovation, restoration, and construction management. This includes conceptual, formal, operational, and technical planning, as well as monitoring of costs and deadlines.

TR Möbelagentur GmbH 

Lucerne · Since 2013

The core activity of TR Möbelagentur GmbH is acting as a trading agency for European furniture manufacturers. The company serves as an intermediary between manufacturers and the market, likely through the representation and distribution of furniture products.

trüb & klar AG 

Lucerne · Since 2022

The core activity of trüb & klar AG is the planning, consulting and implementation of projects in the field of water development and rehabilitation, particularly the renaturation of streams and rivers, as well as the prevention and control of natural hazards such as floods. The company offers services such as consulting, basic studies, design, execution and monitoring of water projects, with the aim of creating and maintaining near-natural waters.

trueIT GmbH 

Lucerne · Since 2009

The core activity of trueIT GmbH is the provision of IT consulting and services, particularly in the areas of: project management and program management for IT projects, technology consulting and IT architecture, application lifecycle management (ALM) and software development, workplace management and IT infrastructure, test management and quality management, IT service management and ITIL, as well as network and security services. The company offers tailored solutions for businesses and supports them in achieving their digital goals.

True North Pilots GmbH 

Lucerne · Since 2024

True North Pilots GmbH provides advisory, coaching and consulting services, supporting individuals and organisations in developing direction and realising their potential.

Tschuppert Architekten GmbH 

Lucerne · Since 2005

Tschuppert Architekten GmbH is an architectural practice providing design and project services for residential, commercial and public buildings, as well as for renovations and urban studies. The firm works across scales—from urban planning to interior and furnishing details—and emphasizes measures for resource reduction, biodiversity and lowering environmental impact.

TS Steel Trade Schweiz AG 

Lucerne · Since 2021

The company is a steel trading company that trades steel products of all kinds in over 30 countries worldwide. The core activity includes the trade, processing, logistics and inventory management of steel products.

turnaround coaching GmbH 

Lucerne · Since 2021

The core activity of the company "turnaround coaching GmbH" is the provision of coaching and supervision services for individuals and teams in a professional context. This includes in particular: Short-term, solution-oriented coaching to solve specific problems; Long-term supervision to reflect on communication, behavior and underlying patterns; Team supervision to accompany team developments and change processes; and Training supervision to support coaches and supervisors in training. The services aim to improve the communication, motivation and performance of individuals and teams, and to promote a positive work climate.

Twingenious GmbH 

Lucerne · Since 2023

The core activity of Twingenious GmbH is the provision of civil engineering services for building owners, planners and contractors.

typoart Max J. Fischer 

Lucerne · Since 1998

The core activity of the company "typoart TEXT" by Max Fischer is the provision of text correction and writing services. These include: * Correction of final papers (diploma thesis, maturity thesis, bachelor thesis, thesis, master thesis, doctoral thesis) * Creation of application and motivation letters * Writing letters, advertising texts, slogans and names for companies and products * Correction of speeches and other written works The company offers these services in different modes (normal and express mode) and works with various file formats (DOC, PDF, ODT).

Uber Switzerland GmbH 

Lucerne · Since 2025

UNF Montage GmbH 

Lucerne · Since 2015

The core activity of UNF Montage GmbH is the execution of plastering work, in particular the manufacture and installation of plaster elements as well as general plastering work. The company offers individual solutions for the design and execution of interior spaces and positions itself as a partner for high-quality plastering work.

unimon GmbH 

Lucerne · Since 2010

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.

Urologik AG 

Lucerne · Since 2009

The company's core activity is medical treatment and diagnostics in the field of urology, including surgical interventions, examinations, and consultations for men and women. The specific activities include: diagnosis and treatment of urological diseases, such as prostate diseases, kidney stones, and tumors; surgical interventions, such as prostate biopsies, vasectomies, and laparoscopic procedures; examinations, such as ultrasound examinations, uroflowmetry, and cystoscopy; and consultations and treatments for specific patient groups, such as men, women, and the elderly. The company thus offers comprehensive urological services, ranging from diagnostics to treatment and aftercare.

Urs Rölli Architektur GmbH 

Lucerne · Since 2020

The core activity of Urs Rölli Architektur GmbH is the provision of architectural services, including consulting, conception and planning of construction projects.