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Wiget Treuhand AG 

Oberentfelden · Since 1991

The core activity of Wiget Treuhand AG is the provision of trust services, particularly in the areas of financial and accounting, payroll accounting, taxes, corporate consulting, auditing and accounting. The company offers individual consulting and support for private individuals and companies in these areas.

Aarvia Bau AG 

Oberentfelden · Since 2020

Aarvia Bau AG is a construction company providing infrastructure construction and site logistics services. Its offerings include road/trafficway construction, earthworks and demolition, utility and sewer installation, civil engineering, concrete repair and high-pressure water-jet services, as well as logistics such as transport, skip/dumpster service, building material supply and suction-excavator operations.

Alya Consulting Inh. Konrad Brunner 

Oberentfelden · Since 2019

The core activity of Alya Consulting is the consulting and implementation of cloud solutions, particularly based on Microsoft Cloud, as well as the development and integration of IT systems and applications. The company also offers managed cloud services, IT service management and backup solutions.

Amaretti Manufaktur GmbH 

Oberentfelden · Since 2023

The core activity of Amaretti Manufaktur GmbH is the production and sale of Amaretti in various variations, particularly with genuine egg liqueur filling and coated in couverture.

ARCHICARD GmbH 

Oberentfelden · Since 2023

The core activity of ARCHICARD GmbH is the provision of services in the field of architecture and construction. Specifically, this includes: Architecture: planning and design of buildings and projects; Construction management: monitoring and coordination of construction projects; Owner representation: representation of the owner's interests in construction projects; Owner consulting: consulting owners in the planning and realization of construction projects; Expert opinions: creation of expert opinions and reports in the field of construction. The company thus offers a comprehensive range of services, from planning and design of buildings to monitoring and coordination of construction projects.

Entfelder Reinigungsservice Kamberi 

Oberentfelden · Since 2015

The company's core activity is the provision of cleaning and janitorial services, particularly for property management companies in the Aarau, Olten and Zofingen region.

FRA Fenster GmbH 

Oberentfelden · Since 2022

The core activity of FRA Fenster GmbH is the manufacture and distribution of windows, doors and other interior finishing products, as well as the provision of services in the field of interior finishing, including consulting, planning and installation of windows, doors, conservatories, balcony glazing and other interior finishing solutions for new buildings and renovations.

Gastro Vending Incoglu 

Oberentfelden · Since 2014

The core activity of Gastro Vending is the supply of companies, restaurants and clubs with beverages. The company offers a comprehensive range of drinks, including soft drinks, water, beer, wine, spirits and others, and provides customized solutions for the beverage supply of its customers.

HEL - Tec GmbH 

Oberentfelden · Since 2009

The core activity of HEL-Tec GmbH is the planning, development, sales, maintenance and servicing of lighting systems, including the conversion to LED technology, as well as the provision of electrical installation and sensor technology services, particularly for tunnels.

KB Partners GmbH 

Oberentfelden · Since 2019

KB Partners GmbH provides real estate sales, property management and related advisory services. The company markets and mediates property transactions, manages residential and commercial buildings, and advises on mortgage financing, asset management, retirement provision and other financial services.

Lüthi & Annen AG 

Oberentfelden · Since 1990

The core activity of Lüthi & Annen AG is metal and chimney construction, including the manufacture and installation of metal structures such as balconies, roof glazing, garage doors, railings, stairs and doors, as well as the planning and execution of chimney systems, including facade chimneys, heating chimneys, industrial chimneys and chimney renovations.

Pedi AG 

Oberentfelden · Since 1992

The core activity of Pedi AG is the development, manufacture and distribution of personal protective equipment (PPE) and environmental protection systems, particularly for the nuclear, chemical and pharmaceutical industries as well as for remediation and renovation work. The products include, among others, protective suits, glove boxes, filter units, breathing air supply systems and work tents, all designed to protect employees and the environment from hazards.

SGS Aargau GmbH 

Oberentfelden · Since 2007

SOMNOVUM by Buess 

Oberentfelden · Since 2018

The core activity of Somnovum is sleep diagnostics, sleep therapy, sleep coaching and oxygen therapy. The company offers products and services to help people with sleep disorders, including the diagnosis and treatment of sleep apnea and other sleep disorders.

Sun Spitex GmbH 

Oberentfelden · Since 2022

Sun Spitex GmbH provides home nursing and support services. Its offerings include assessment and counselling, basic nursing care, treatment and examination nursing, domestic support, and transport/accompaniment; the organisation cooperates with general practitioners, clinics and physiotherapists and serves adults with illness, after accidents or operations, or with age-related conditions.

Synus Informatik AG 

Oberentfelden · Since 1992

The core activity of Synus Informatik AG is the digitalization of HR processes for companies, particularly through the development and implementation of web-based solutions and a workflow engine that enables the digitalization and automation of HR processes such as onboarding, mutation, absence, probationary period and evaluation processes.

TOMRO Consulting GmbH 

Oberentfelden · Since 2022

The core activity of TOMRO Consulting GmbH encompasses consulting and services in the fields of architecture, electrical planning and installation, building permit applications, construction site supervision, scheduling, cost calculation, as well as investment and project management.

FI-Performance GmbH 

Oberentfelden · Since 2023

FI-Performance GmbH is an auto workshop that provides air-conditioning service, vehicle inspections and maintenance, and general repairs. Its services also include accident repair and painting, tyre service, and electronic diagnostics.

Kaspar Belser GmbH 

Oberentfelden · Since 2017

Hallwilersee-Hotels AG 

Oberentfelden · Since 2024

Hallwilersee-Hotels AG operates the Seehotel Beinwil am See and provides hotel and hospitality services. The website states that the hotel has closed after more than three decades.