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ALBRECHT + RITZMANN GmbH 

Basel · Since 2012

The core activity of Albrecht + Ritzmann is the planning and execution of renovation and new construction projects, the renovation of single-family and multi-family homes, interior design, the renovation of historic buildings, as well as the development of restoration concepts for historic buildings. The company thus offers comprehensive services in the field of architecture and construction, with a special focus on the renovation and restoration of historic buildings.

Alteno AG 

Basel · Since 1987

The core activity of Alteno AG encompasses the planning, consulting and implementation of sustainable building technology and solar energy solutions. This includes in particular: planning of heating systems (heat pumps, wood heating systems, district heating); planning of photovoltaic systems with battery storage and e-mobility; energy consulting for large consumers, gastronomy, bakeries and commerce; load management and operational optimization; residential ventilation and ventilation systems for industry and commerce; ENAW target agreements for large consumers and energy operational optimization; strategic property owner consulting and concept development; expert opinions and reports for building energy systems. The company thus offers comprehensive services in the field of sustainable energy and building technology.

ASR Management GmbH 

Basel · Since 2018

The core activity of Antiquités Ségal & Selig is the trade in art and antiques, particularly the purchase, sale and trading of art objects and antiques, such as paintings, sculptures, furniture and other works of art, mainly from the Renaissance to the 19th century.

anviba GmbH 

Basel · Since 2022

The core activity of Anviba GmbH is the placement of qualified specialists from Vietnam with companies in Germany, particularly in the area of training and recognition of specialists. The company offers services such as personnel placement, recognition of foreign qualifications and language training to provide a sustainable solution to the shortage of skilled workers in Germany.

a Plus Caruso GmbH 

Basel · Since 2004

The core activity of Aplus Caruso GmbH is visual design and concept development, particularly in the field of graphic design, with a focus on creating posters, flyers, annual reports, brochures, books and logos.

appamics GmbH 

Basel · Since 2012

The core activity of appamics is the development of software and services for interactive communication and design projects, particularly in the area of mobile applications, web applications and IoT solutions. The company focuses on combining design, UX design and technology to develop innovative solutions for customers. Specific activities include the development of applications, SDKs, push notifications, distributed storage solutions and the integration of external displays.

Applied Chemicals International Group AG 

Basel · Since 2017

Applied Chemicals International Group AG is a family-owned chemical services company supplying specialty chemicals, minerals and preparation and dosing systems. It provides products and technical services for wastewater and sludge treatment, air treatment, and for the paper, coatings, adhesives, plastics and construction sectors.

Applied Chemicals Schweiz GmbH 

Basel · Since 1999

Applied Chemicals Schweiz GmbH supplies specialty chemicals and minerals, as well as processing and dosing equipment, and provides technical services for wastewater treatment, sludge handling and air-improvement applications and for the paper, coatings, adhesives, plastics and construction industries.

APS Facility Services GmbH 

Basel · Since 2016

The core activity of APS Facility Services GmbH is the provision of comprehensive facility management services, particularly in the areas of cleaning, caretaking, garden maintenance and waste disposal. The company offers its customers individually tailored service concepts to maintain their properties in a clean, hygienic and value-preserving manner.

ARCHITECTURE CLUB GmbH 

Basel · Since 2022

The core activity of the company "Architecture Club" is architectural practice, i.e. the planning and design of buildings and spaces.

Architekten + Lichtplaner Gabelmann GmbH 

Basel · Since 2005

Architekten + Lichtplaner Gabelmann GmbH provides architectural and lighting design services. The firm’s work includes project planning and lighting design for residential, industrial, public and religious buildings as well as renovation projects.

Architekturbüro Yvonne Rösch-Rütsche 

Basel · Since 2023

The Yvonne Rütsche architecture firm offers services in the field of architecture, including planning, consulting and project management for construction projects. The company's core activity includes the creation of architectural concepts, the implementation of construction projects and the accompaniment of clients in the realization of their projects.

Arnet + Co. AG Basel 

Basel · Since 2005

Arnet + Co. AG Basel is a company performing natural stone and artificial stone works. Services include stonemasonry and stone working, restoration, cleaning and stone protection, plus consulting services such as site surveys, technical drawings and cost estimates.

Arzouni Communications GmbH 

Basel · Since 2013

The core activity of Arzouni Communications GmbH is the provision of services in the field of advertising and design, particularly the development of marketing concepts, the creation of visual identities (e.g. logos, websites) and the implementation of advertising campaigns for clients from various industries.

ATAG Private & Corporate Services AG 

Basel · Since 1978

ATAG Private & Corporate Services AG is a family office providing comprehensive administration and advisory services for high-net-worth families and family-owned businesses. Services listed on the website include legal advisory (corporate, tax, family and inheritance law), tax planning, corporate services and administration, trust and foundation setup and management, family governance, philanthropy advice, and specialised art, maritime and aviation consulting.

atelier fausch gmbh 

Basel · Since 2020

The core activity of Atelier Fausch GmbH is the provision of architectural services.

Atelier für Rahmengestaltung, Nicole Persoz 

Basel · Since 2017

The company "Atelier für Rahmengestaltung Nicole Persoz" offers services in the field of frame design, framing and restoration of artworks and other objects. The core activity includes the production of frames, the framing of artworks and other objects, as well as the restoration of existing frames and artworks. Additionally, the company also offers the possibility of creating art cards.

A Tree in a Field Records and Publishing von Marlon McNeill 

Basel · Since 2017

The core activity of A Tree in a Field Records is the production, publication and distribution of music, particularly by independent music labels and artists. The company acts as a record label and offers services such as music distribution, booking and promotion for its artists. It also supports the music scene in Switzerland through memberships in music associations and institutions.

Ave Merki Architekten GmbH 

Basel · Since 2019

The company's core activity is the planning, development and realization of real estate projects, particularly in the field of residential construction, as well as the renovation and conversion of existing buildings. The company provides architectural services and operates in various segments such as single-family homes, multi-family homes, office buildings, schools and other public buildings.

AZPP Ambulanz GmbH 

Basel · Since 2024

The company AZPP (Training Centre for Psychoanalytic Psychotherapy) offers further education and courses in the field of Psychoanalytic Psychotherapy. The core activity of the company consists of conducting training and further education programs for psychotherapists, including the development of curricula, the organization of seminars and courses, as well as the support of participants.