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ImHaus Service GmbH 

Rheinfelden · Since 2013

The core activity of ImHaus Service GmbH is the management of properties, particularly house administration and maintenance, with a focus on efficient and customer-friendly management of real estate in Rheinfelden.

ImmoIntegral GmbH 

Rheinfelden · Since 2006

The core activity of ImmoIntegral GmbH is property management and administration.

INNOVEVA GmbH 

Rheinfelden · Since 2021

INTER ACT Ziegler GmbH 

Rheinfelden · Since 2024

INTER ACT Ziegler GmbH advises cities, municipalities, companies and organisations on climate, biodiversity and sustainability, providing services such as participation and moderation, analyses and concept development, mediation and organisational development, as well as project management and personnel leadership.

Interna Beat Bieber 

Rheinfelden · Since 1990

International Federation of Social Workers 

Rheinfelden · Since 2018

The core activity of the company is the promotion and support of social work on a global level. The International Federation of Social Workers (IFSW) represents the interests of social workers worldwide and is committed to improving the living conditions of people in need. The main activities include: Organizing conferences and events on the topic of social work, Developing guidelines and standards for social work, Supporting social workers in different regions of the world, Promoting education and research in the field of social work, Representing the interests of social workers at international organizations such as the United Nations. The IFSW is a global network of social workers that advocates for improving the living conditions of people and promotes social work as a profession.

Inwestra AG 

Rheinfelden · Since 1967

The core activity of Inwestra AG is the management of real estate, in particular the rental of apartments in various properties in Rheinfelden and Basel.

ITandFactory AG 

Rheinfelden · Since 1998

The core activity of ITandFactory is the development and distribution of engineering software for plant construction, particularly for the chemical, pharmaceutical, food, beverage, oil and gas industries. The software supports customers in project planning, plant documentation, integration and intelligent solutions in plant construction. The company offers complete solutions for plant planning based on various technology platforms, such as AutoCAD, Microsoft Office and MicroStation.

Jack's Gastro & Event GmbH 

Rheinfelden · Since 2010

The company is a steakhouse with an attached wine production and sales facility. It offers a wide range of food and beverages, including steaks, wines and spirits. The company's core activity lies in gastronomy and wine trade.

Jäggi + Wendelspiess, Architektur + Informatik AG 

Rheinfelden · Since 1998

The core activity of Jäggi + Wendelspiess Architektur + Informatik AG is the provision of services in the field of architecture, particularly in the areas of: Architecture: planning and design of buildings and spaces; Estimating: cost estimation and planning for construction projects; Real Estate: consulting and management of property administration and development; and Client Support: supporting and advising clients in the planning and realization of construction projects. The company thus offers comprehensive services for the planning, implementation and management of construction projects.

Jenal & Partners Biosafety Consulting GmbH 

Rheinfelden · Since 2025

The core activity of Jenal & Partner is consulting and supporting biological risk assessment and management, particularly in the areas of biosafety and biosecurity. The company offers solutions and expertise in biological risk assessment, biosafety, biosecurity and communication to promote the positive impact of biotechnological advancements on society.

Jetzer Immobilien GmbH 

Rheinfelden · Since 2005

Jetzer Immobilien GmbH brokers residential and commercial properties and handles sales mandates and property marketing. Services also include property valuations (market-value analyses), client consultations and discreet, transparent brokerage processes.

Jetzer Immobilienvermittlung 

Rheinfelden · Since 2004

Jetzer Immobilienvermittlung offers real estate brokerage services, managing property sales, rentals and valuations for residential and commercial properties.

J. Willers Engineering AG 

Rheinfelden · Since 1989

J. Willers Engineering AG is an engineering firm for high‑tech buildings and infrastructure. It provides planning and engineering services including building services engineering, cleanroom and laboratory systems for life‑sciences, data center and energy solutions, BIM/BIM2FM and cyber security.

Karakas Recruiting 

Rheinfelden · Since 2022

The core activity of Karakas Recruiting is Executive Search and personnel placement, specializing in MedTech companies in Northwestern and Central Switzerland. The company offers targeted talent search, direct approach and Active Sourcing to provide companies with the best matching candidates.

KASTO Schweiz AG 

Rheinfelden · Since 2016

The core activity of KASTO is the development, manufacture and distribution of sawing machines and storage technology, including the associated software solutions and services. The company offers complete solutions for metal processing and storage to provide customers with competitive advantages and investment security.

KineSuisse Berufsverband für Kinesiologie 

Rheinfelden · Since 2007

The core activity of KineSuisse is to represent and promote the interests of professionally active kinesiologists in Switzerland, in particular by ensuring the quality of education and training, promoting the visibility and recognition of the complementary therapy method of kinesiology in the Swiss healthcare system, and representing the profession in professional policy matters.

Kistler Holz AG 

Rheinfelden · Since 1984

The core activity of Kistler-Holz AG is the trade in European roundwood, particularly oak roundwood, as well as the manufacture and distribution of oak wood products, such as tree and trunk protection, forest path signage, sleepers and squared timber.

Maler Fleig AG 

Rheinfelden · Since 1996

The core activity of Maler Fleig AG includes painting and plastering work, both indoors and outdoors, including facade renovation, scaffolding construction, damage repair, water damage service, crack renovation, mold remediation and floor laying work.

m & d drive GmbH 

Rheinfelden · Since 2012

Mergenthaler AG 

Rheinfelden · Since 1961

Milan Analytica AG 

Rheinfelden · Since 2008

The core activity of MILAN Analytica AG is the provision of highly defined human and animal plasmas and sera for clinical validations, the development of new diagnostic tests and control purposes, as well as the supply of raw materials for biomedical research and the development of new in-vitro diagnostics. This includes specific antibodies, recombinant and native antigens, cell culture sera, cell culture media and other materials.

MilesAhead AG 

Rheinfelden · Since 2018

The company provides services in the areas of customer loyalty, digital strategies and marketing, particularly in the areas of lead management, CRM and digital commerce. The core activity includes the development of marketing strategies, the optimization of sales and marketing processes, the generation of leads and the implementation of customer loyalty programs. The company supports customers in their digital transformation and helps them to strengthen their online presence and better understand their target groups.

Mitesu GmbH 

Rheinfelden · Since 2009

Mitesu GmbH sells the ORAYEN product range, including portable power stations, solar generators and solar panels. The offerings include LiFePO4 battery power stations and solar-charging solutions for combined generator packages.

MP Fenster GmbH 

Rheinfelden · Since 2014

The core activity of MP Fenster GmbH is the assembly, disassembly, planning and renovation of windows and doors made of various materials such as plastic, wood or wood-aluminum.

MS Management Consulting GmbH 

Rheinfelden · Since 2011

MYCON KILIC 

Rheinfelden · Since 2021

The core activity of Mycon Fresh is the delivery service for fruit and vegetable boxes, both to businesses and directly to end-consumers, with the goal of offering high-quality products at attractive prices.

Nahe Rhein GmbH 

Rheinfelden · Since 2017

The core activity of the company 'Nahe Rhein GmbH' is the provision of services in the field of naturopathy, particularly the administration of treatments and applications by a qualified naturopathic physician.

Nektar Immo AG 

Rheinfelden · Since 2024

The core activity of Nektar Immo AG is to support people who follow the guiding principle of the 'Manifest of the New Earth' by providing real estate, agricultural land and financial resources. The company acquires and manages real estate to rent it to individuals and organizations that promote sustainable and humane living. An example of this is the organic store 'Zum Nektar' in Rheinfelden, which is located in a property acquired by Nektar Immo AG.

NetterVibration Schweiz GmbH 

Rheinfelden · Since 2018

NetterVibration develops and supplies electric and pneumatic vibration drives and systems worldwide for various industries such as the automotive industry, chemical and pharmaceutical industry, foundry, consumer goods industry, plastics industry, food industry and mechanical engineering. The products are used for various applications such as cleaning, dosing, emptying, conveying, loosening, screening, sorting, testing, compacting and packaging.

netvista solutions GmbH 

Rheinfelden · Since 2016

netvista solutions GmbH develops web, mobile and voice-driven applications and provides backend and cloud-native services. Services include cross‑platform native apps with Flutter, JavaScript web apps (e.g. React, Angular.JS, Ember), progressive web apps, voice apps for Amazon Alexa and Google Assistant, and scalable backends using Node.js or Golang with containerized microservices (Docker, Kubernetes).

NewSpray GmbH 

Rheinfelden · Since 2000

The core activity of NewSpray is the application of thermal spraying and cold gas spraying.

ninetostrive GmbH 

Rheinfelden · Since 2024

ninetostrive GmbH offers holistic health coaching, personal training and corporate workshops focused on stress management, resilience and team performance. Services include HRV monitoring, glucose measurements, individualized training and nutrition plans, and Personal Pilates on Reformer and Cadillac.

Novisol AG 

Rheinfelden · Since 1968

The core activity of Novisol encompasses the following areas: Technical insulation, Fire protection, Interior finishing (particularly ceilings and partition walls). The company offers comprehensive services in these areas, including consulting, planning, drawing, construction, and maintenance.

NPT AG 

Rheinfelden · Since 2024

The core activity of NPT AG is the export and aggregation of steel industry products.

Octoputz GmbH, Zweigniederlassung Rheinfelden 

Rheinfelden · Since 2022

Octoputz GmbH, Zweigniederlassung Rheinfelden provides cleaning, sewer/drain cleaning, clearance and property caretaking services. Offerings include regular and window cleaning, move-out and construction cleaning, sewer camera inspections and shaft emptying, as well as garden maintenance, waste disposal and winter services.

ONCOLOGIC AG 

Rheinfelden · Since 2011

The core activity of ONCOLogic AG is to support diagnostics and pharma in oncology and hematology through specially developed products and services. These include: Consulting in the areas of diagnostics, medication, oncological planning, quality management, and logistics; Development and distribution of products such as the MelaGenix melanoma test and the Swiss Spillkit; Logistics services, including wholesale and pre-wholesale, including GMP packaging; Cyto-safety services, including spill kits and training; Quality and disease management. The company focuses on optimized treatment of cancer patients in Switzerland and offers its partners, such as doctors, institutions, and others, specialized services and products.

Online Marketing Factory AG 

Rheinfelden · Since 2015

The company's core activity is providing services in the field of online marketing, particularly in the areas of: customer relationship management (CRM), social media marketing, search engine optimization (SEO), search engine advertising (SEA), email marketing, content marketing, influencer marketing, video marketing, mobile marketing, and data analysis and optimization. The company supports businesses in developing and implementing online marketing strategies to strengthen their online presence, increase website traffic, and boost sales.

Park-Hotel am Rhein AG 

Rheinfelden · Since 1977

Park-Hotel am Rhein AG is a spa, medical wellness and holiday hotel that also includes residences and a clinic. The property offers rooms and suites, an extensive wellness and sauna area (sole uno), restaurants, medical cure programmes and facilities for seminars and banquets.

Peter Füchter GmbH 

Rheinfelden · Since 1994

The core activity of the company "Füchter on Tour" is the organization and implementation of individual trips and excursions in Switzerland, particularly e-bike tours and hiking tours in small groups, with personal travel accompaniment and a focus on exploring landscapes, regional specialties, tradition and culture.

Pia Rothen, Persönlichkeitsentwicklung 

Rheinfelden · Since 2014

The core activity of the company "Persönlichkeitsentwicklung Pia Rothen" is the provision of services in the field of personal development, consulting and therapy. Specifically, this includes: personal development and consulting, psychological astrology, energetic treatment, meditation and yoga, systemic parenting coaching, and Jin Shin Jyutsu. The company also offers special events and workshops, such as the "Herzwoche".

PowerGroup.ch AG 

Rheinfelden · Since 2013

The core activity of PowerGroup.ch is real estate management, brokerage and development, including the rental and sale of properties as well as the support of real estate projects.

Praevena AG 

Rheinfelden · Since 2008

The core activity of Praevena is to conduct measurements and assessments in the field of occupational hygiene to identify and improve health-hazardous or unpleasant conditions in the workplace. This includes the creation of occupational hygiene assessments and the recommendation of measures to improve working conditions. Additionally, the company offers training and consulting services in the field of occupational hygiene.

Presstrade Services GmbH 

Rheinfelden · Since 2009

Pro Cane Hundecoaching GmbH 

Rheinfelden · Since 2022

The company Pro Cane Hundecoaching GmbH offers services in the field of dog training and dog handling. The core activities include: * Individual coaching and group sessions for dog owners and their dogs * Seminars and workshops on various topics such as dog encounters, leash guidance, recall and exercise * Temperament tests and behavioral counseling for dogs * Training of bed bug detection dogs * Off-leash area for dogs * Motivational work and empowerment of dog owners * Creation of individual training plans and solutions for problems in handling dogs The company focuses on a harmonious and trusting collaboration between humans and dogs and offers a comprehensive education and ongoing training for dog owners.

Properium Group GmbH 

Rheinfelden · Since 2023

The core activity of Properium GmbH is the provision of construction services, including consulting, planning and execution of construction projects, particularly in the area of turnkey new buildings of multi-family houses, premium new buildings and core-renovated properties.

PSYMETRIX reichmuth infotechnik 

Rheinfelden · Since 2013

The core activity of PSYMETRIX is the development and validation of web applications and online testing procedures for organizational, personnel and personality diagnostics.

Zentrum für Bilddiagnostik (Rheinfelden) AG 

Rheinfelden · Since 2003

The company "Zentrum für Bilddiagnostik AG" provides medical services in the field of imaging diagnostics, including magnetic resonance imaging, computed tomography, digital X-ray and fluoroscopy, mammography, osteodensitometry, ultrasound and interventions.

Renus Treuhand & Immobilien GmbH 

Rheinfelden · Since 2010

The core activity of Renus Treuhand & Immobilien GmbH encompasses services in the areas of real estate and trust. Specifically, the company offers the following services: property management, condominium ownership, real estate sales, trust services, and initial and re-rental. Thus, the company provides a comprehensive range of services for property owners, buyers, and tenants, from the administration and management of properties to the brokerage and sale of properties.

RE Trend-Möbel AG 

Rheinfelden · Since 1991

RE Trend-Möbel AG sells selected furniture collections and represents several international brands exclusively. The company provides exclusive brand representation in Switzerland, assortment consulting and personal on-site advice.