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Ivana Kresic 

Basel · Since 2017

The company's core activity is professional photography, particularly in the fields of portrait, fashion and architectural photography, as well as the creation of photo projects and series for various clients and publications.

IWB Net AG 

Basel · Since 2010

The core activity of IWB Net AG is the creation and operation of a comprehensive fibre-optic network (FTTH) in Basel, including overall coordination, planning, commissioning and approval of the network.

Jachory Inh. Susie Amadasun 

Basel · Since 2018

Jachory is an online shop offering a wide range of products including clothing, accessories, household goods and gift items. The company's core activity is the design, production and sale of printed and printable products, such as T-shirts, hoodies, mugs, bags and other items featuring various designs, texts and images. The company also provides the opportunity to implement individual design ideas on various products.

Jacqueline Spengler Stiftung 

Basel · Since 1999

The company's core activity is the management and administration of foundations, as well as the promotion of social, cultural and ecological projects. This includes advising on philanthropic matters, managing existing foundations, accompanying new foundations and providing financial support for projects in the areas of social welfare, culture and the environment.

JAEGGI Hybridtechnologie AG 

Basel · Since 1998

The core activity of JAEGGI Hybridtechnologie AG is the development, manufacture and distribution of products in the field of heat transfer technology, particularly heat exchangers, as well as comprehensive consulting and support for customers in refrigeration and air conditioning technology.

JAF Foundation (Switzerland) 

Basel · Since 2009

The core activity of the company 'The JAF Foundation' is the promotion and support of projects and organizations in the areas of nature and environmental protection, art and education, human rights and communities, as well as health and medicine. The foundation finances and supports various projects and organizations to achieve its goals and promote positive changes in society.

Jan Borner Architekten 

Basel · Since 2018

The company's core activity is the provision of architectural services.

Jan Bürgi GmbH 

Basel · Since 2003

The core activity of Jan Bürgi GmbH is the provision of services in the areas of painting, blasting techniques (dry ice blasting, sandblasting, soda blasting) and floor sealing.

Jan Skuratowski Architektur 

Basel · Since 2015

The core activity of the company "js-architektur" is the provision of architectural services.

Jaquet Beteiligungen AG 

Basel · Since 2016

Jaquet Beteiligungen AG is a family office that structures its investment portfolio around real estate, private equity and listed asset investments. The firm develops and builds its own real estate projects, invests in Swiss small- and mid-cap companies in industry, technology and medical/biotech sectors, and allocates capital to selected funds and venture investments in startups.

Jaquet Partners AG 

Basel · Since 2001

Jaquet Partners AG is a family office that maintains sustainable values and focuses on long-term investments. It plans, develops and builds its own real estate projects and invests in real estate, private equity (Swiss small- and mid-cap companies and venture investments in startups) as well as in listed securities and selected funds and managers.

JB7 immo AG 

Basel · Since 2024

JB7 immo AG sells and markets selected residential properties, including apartments, houses and villas. The small family-owned firm offers a limited portfolio of carefully selected properties at fair prices and focuses on personal customer advice.

J. Bollig AG 

Basel · Since 2002

BROCANTHAUS is an antique and art dealership offering a wide range of products, including furniture, art objects, porcelain, glassware, silverware, coins, medals, design objects, lamps, carpets, clocks, wines and spirits, as well as books. The company's core activity is the sale of these products through an online shop and likely also through a physical store.

J.C. von Burg-Freymond Concept Consult 

Basel · Since 2019

The core activity of J.C. Freymond Concept Consult is the creation of creative concepts and consulting in the fields of art, design and culture. The company collaborates with various institutions, galleries, museums and artists and offers services such as concept development, project management and consulting.

JC Insurance Brokers GmbH 

Basel · Since 2019

The company is an insurance consulting firm specializing in the brokerage and management of insurance policies for business and private customers in Switzerland. The core activities include: insurance consulting and brokerage, management of existing and new insurance policies, creation of individual insurance packages, identification of under- and over-insurance and creation of savings potential, tax consulting and declaration for natural persons, financial consulting and planning. The company also offers additional services such as workshops, seminars, and support with tax returns.

Jean-David Cahn AG 

Basel · Since 1999

The core activity of Galerie Cahn is the trade in antique artworks, particularly from Greek, Etruscan and Roman antiquity, as well as the organization of exhibitions and auctions. The company also offers services such as provenance research and valuation of artworks and works closely with museums, collectors and other art experts. Furthermore, Galerie Cahn is also committed to contemporary art and offers young artists the opportunity to exhibit their works in the gallery's premises.

Jean-François Heim Galerie AG 

Basel · Since 2014

The core activity of Galerie Heim is the trade and sale of artworks, particularly paintings, drawings and sculptures, as well as the appraisal and marketing of art objects.

Jean Monnat Diamond Abrasives 

Basel · Since 2006

The core activity of Jean Monnat Diamond Abrasives is the manufacture of precision tools and abrasives, in particular broaches and grindstones, specifically designed for the processing of hard materials such as diamond, hard metal and ceramic.

Jeker Architekten SIA AG 

Basel · Since 1979

The core activity of Jeker Architekten is the planning and conception of construction projects, including single-family homes, apartment buildings, site analyses, building planning, conversion concepts, neighborhood and design planning, as well as the development of building and usage strategies for various types of buildings, such as residential buildings, service and administrative buildings, cultural and sports buildings, industrial buildings, and schools.

Jeker Finance 

Basel · Since 2020

The core activity of Jeker Finance is to provide services in the fields of tax consulting, financial planning, investment, insurance and legal consulting, particularly in the preparation of tax returns and the calculation of personal tax liabilities.