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Sisu Partizipation und Mediation GmbH 

Basel · Since 2023

The core activity of the company "sisu ✽ partizipation & mediation" is the implementation of dialogue processes, participation, mediation, strategy processes and conflict management, as well as the organization of workshops to support organizations and institutions in developing participatory processes and participation culture.

siti AG 

Basel · Since 2023

SKAT Architektur Andreas Korte 

Basel · Since 2022

The core activity of SKAT Architektur is the provision of architectural services, particularly in the following areas: * Planning and design of residential buildings (apartment buildings and single-family homes) * Renovations and extensions of existing buildings * Expert opinions and consulting in the field of monument preservation and historic buildings * Urban planning and development of environmental education centers and other public facilities * Research and development of tools and methods for the analysis and documentation of industrial areas and historic buildings. The company also offers graphical preparation of planning results and test planning.

Skillbrowser GmbH 

Basel · Since 2018

The core activity of Skillbrowser is to offer a platform that helps companies find suitable IT service providers and suppliers. The platform enables companies to search for specific skills, services and solutions and identify suitable IT partners.

skillharbour GmbH 

Basel · Since 2013

skillharbour GmbH is an online platform for exchanging skills and services where users can post offers and requests. The platform allows users to create listings (including photos or videos), save drafts, publish and search for matches; new listings are reviewed for quality and the service is offered free of charge.

Skipsearch Switzerland GmbH 

Basel · Since 2019

Skipsearch Switzerland GmbH is a recruitment provider specializing in IT roles and supports companies with direct placement, freelancing, temporary staffing, managed services and payroll services.

SKS Trust AG 

Basel · Since 2021

SkyCell PnP AG 

Basel · Since 2021

SkyCell PnP AG develops hybrid temperature-controlled containers, IoT monitoring devices and the SkyMind software, and provides hardware, software and services for temperature-sensitive pharmaceutical supply chains and ULD tracking.

Skyhawk Therapeutics Europe GmbH 

Basel · Since 2018

The core activity of Skyhawk Therapeutics is the development of small molecules that modify RNA expression, particularly for the treatment of diseases in the areas of neurology, oncology and fibrosis. The company uses its own SKYSTAR platform to identify and develop RNA targets, and works with various pharmaceutical companies in this process.

Skyvell AG 

Basel · Since 1965

The core activity of Skyvell is the development, manufacture and distribution of products for odour neutralization and prevention, particularly in the areas of elderly care, automotive, building services, healthcare, hospitality and animal care.

S. L. A. Pharma AG 

Basel · Since 2018

The core activity of SLA Pharma is the development of solutions for gastrointestinal diseases, particularly in the development of medications and treatments for GI disorders such as anal fissure, pilonidal sinus and colorectal medicine. The company focuses on clinical development and collaborates with international partners to develop innovative solutions for complex gastrointestinal diseases.

SLconsilium GmbH 

Basel · Since 2016

SLconsilium GmbH develops digital solutions and web applications for companies and managers. Its offerings include moodatwork.ch, a web application for measuring employee satisfaction, and Führungsinstrumente.ch, a portal that lists digital leadership tools.

Small-n-Tall GmbH 

Basel · Since 2003

Small-n-Tall GmbH provides marketing and consulting services. The company’s website states these services are offered to selected clients and includes contact information.

Smart Logistics AG 

Basel · Since 2015

The core activity of SmartLogistics is logistics planning and process optimization. The company offers various services, such as logistics checks, 3D layout planning, Lean Logistics, implementation of warehouse management systems (WMS) and coaching. It supports customers in optimizing their logistics processes and also offers new service models.

Smart Microbiology Consulting GmbH 

Basel · Since 2024

Smart Microbiology Consulting GmbH provides medical and scientific writing services along with consulting, strategic planning and project management for clients such as pharmaceutical companies and biotech startups.

Smart Paws GmbH, Bad Schwartau, Zweigniederlassung Basel 

Basel · Since 2022

The core activity of Smart Paws is the brokerage and management of animal health insurance.

Smart-Pick GmbH 

Basel · Since 2019

The company's core activity encompasses the development and application of robotics and sensor technology in the field of computer-assisted chemistry, particularly in in-vitro fertilization.

SMASHTAG GmbH 

Basel · Since 2017

The core activity of SMASHTAG is consulting and supporting customers in the professional use and development of social media channels, including the development of communication strategies, building interactive communities and managing social media accounts.

SM CONSULTING AG 

Basel · Since 2005

The core activity of SM Consulting AG is SAP software development and IT services, particularly in ABAP programming, as well as consulting and supporting companies in the conception and implementation of SAP solutions.

SO Bauingenieure GmbH 

Basel · Since 2005

SO Bauingenieure GmbH provides civil and structural engineering services, including design and execution planning for industrial, residential and infrastructure projects as well as renovations and conversions. The firm produces expert reports and offers consultancy in civil engineering.

SOCA Familienheimgenossenschaft 

Basel · Since 1943

The core activity of the company is to provide affordable housing for families in Basel, particularly through the management and rental of residential buildings owned by the cooperative.

SOCIA Ambulante Psychiatrische Gesundheitspflege, Inhaberin Rüther 

Basel · Since 2021

The core activity of SOCiA is outpatient psychiatric healthcare, where people in psychologically stressful life situations are accompanied and supported in their familiar or desired environment. This includes, among other things, counseling sessions, somatic and psychiatric care, geriatric psychiatry, dementia and palliative care.

Socius Beistandschaften GmbH 

Basel · Since 2021

The core activity of Socius Beistandschaften GmbH is the provision of services in the field of child and adult protection, particularly in the management of guardianships, investigations, representations (temporary deployments) and social counseling.

Sodor 20 AG 

Basel · Since 2020

Sodor 20 AG is a Swiss real estate company that invests in, develops and manages residential properties. The company focuses on affordable housing in urban locations and peripheral areas and applies active asset management to reposition and further develop its portfolio.

Sodor 21 AG 

Basel · Since 2021

Sodor 21 AG is a real estate company focused on acquiring, developing and managing residential properties. The company primarily invests in urban and suburban residential assets—with an emphasis on affordable housing—and applies active asset management to realize repositioning and value potential.

Sodor 22 AG 

Basel · Since 2020

Sodor 22 AG is a real estate company that develops and manages a portfolio of residential properties. The company primarily invests in residential buildings in urban and suburban markets and assesses assets for repositioning and development potential through active asset management.

Sodor Facility Management AG 

Basel · Since 2020

Sodor 24 AG 

Basel · Since 2022

Sodor 24 AG is a real estate company that develops and manages existing property portfolios and acquires new residential properties. The company focuses on housing investments and applies active asset management to unlock repositioning and redevelopment potential.

Sodor AG 

Basel · Since 1955

Sodor AG is a Swiss real estate company that invests in residential properties and manages and develops its portfolio. The company focuses on affordable housing and uses active asset management to reposition and develop properties.

Sodor 23 AG 

Basel · Since 2022

Sodor 23 AG is a real estate company that focuses on the development and management of residential properties. The company invests in housing in urban centres and peripheral areas of Swiss agglomerations and applies active asset management to identify repositioning and value-enhancement opportunities. It also develops residential projects, including condominiums and single-family homes.

Sodor 25 AG 

Basel · Since 2023

Sodor 25 AG is a real estate company that develops and manages residential properties and acquires new buildings. The company focuses on investing in residential assets and applies active asset management to unlock value and support affordable housing.

Sodor Immobilien Management AG 

Basel · Since 2019

Sodor Immobilien Management AG is a real estate company focused on the acquisition, management and redevelopment of residential properties. The company primarily invests in residential buildings in urban centres and their outskirts and applies an active asset-management approach with an emphasis on ensuring affordable housing.

Sodor Real Estate Group AG 

Basel · Since 1967

Sodor Real Estate Group AG is a real estate company that develops and manages residential properties and acquires new assets. The company invests in residential buildings in central urban locations and the outskirts of Swiss agglomerations and applies active asset management to reposition properties and realize value.

SOFCOM GmbH 

Basel · Since 1998

The core activity of SOFCOM GmbH is organizational development, particularly in the field of information technology, with a focus on analysis, design, implementation and success measurement of IT projects and transformations.

sofision gmbh 

Basel · Since 2019

The core activity of sofision gmbh is the consulting and implementation of Identity and Access Management (IAM) solutions, particularly in the areas of IT security, identity management and access control. This also includes the development of software applications, especially for the chemical and financial industries, as well as the execution of project management tasks.

SoftRail Medical AG 

Basel · Since 2018

The core activity of Softrail AG is the development and manufacture of reversibly stiffenable, long universal instruments for vascular interventions, in particular for supporting, accessing and diagnosing veins and arteries in all body regions.

Solea Bautrocknen AG 

Basel · Since 2021

Solea Bautrocknen AG provides construction drying and remediation services after water damage. Services include leak detection (thermography, pipe inspection, tracer gas, acoustic testing), subsequent building drying and restoration work, and a 24-hour emergency service.

Solidos AG 

Basel · Since 1994

Solidos AG provides legal-focused management consulting for companies and institutions, with services in legal & compliance, corporate governance, and support for transformation and restructuring.

Solidus Foundation 

Basel · Since 2013

Solidus Foundation supports institutions and initiatives that advance cultural, social, and spiritual flourishing. Its work includes support for projects in the sciences, humanities, arts, sports and leadership development, as well as efforts to promote peace, justice, health, education and care for marginalized groups and to strengthen knowledge of and commitment to core spiritual teachings about loving God and one’s neighbors.

SOLUTAS GmbH 

Basel · Since 2019

The core activity of SOLUTAS is the creation and implementation of digital solutions for companies, particularly in the areas of web content management, e-commerce, and digital signage. This also includes consulting services such as digital transformation, project management, agile coaching, and process optimization. The company specializes in the implementation of Magnolia and Adobe systems and also offers migration services for these platforms.

Somicon AG 

Basel · Since 2002

The core activity of Somicon AG is the development and application of membrane technology, particularly in the areas of water and wastewater treatment, food, pharmaceutical and chemical industries. The company offers a wide range of services, including: development and manufacturing of membrane products (e.g. Nitto-Denko, PCI Tubular); application of membrane technology in various industries (e.g. food, pharmaceutical, chemical); consulting and engineering for membrane processes; pilot studies and laboratory tests; development of integrated concepts for membrane processes; production of water treatment chemicals and disinfectants; and training and seminars for engineers and scientists from industry. The company has many years of experience in membrane technology and originated from the Ciba-Geigy group.

Sonjas-Schlemmereien Sonja Lüscher 

Basel · Since 2020

The core activity of the company "Sonjas-Schlemmereien" is the production and distribution of culinary delicacies, particularly jams, sauces, butter, spice and salt mixtures, as well as baked goods, all of which are made without preservatives and flavor enhancers.

Sonnen-Apotheke Basel AG 

Basel · Since 2012

The company's core activity is the operation of a pharmacy, including the consultation and supply of customers with medicines and other health products, as well as the provision of services in the field of health care.

Sorg Consulting 

Basel · Since 2001

Sorg Consulting offers Global Technology Business Development services and supports technology companies in business development initiatives.

SOTIO Biotech AG 

Basel · Since 2019

The core activity of SOTIO is the development and research of oncological therapies, particularly in the field of biologics, such as antibody-drug conjugates (ADCs), immunocytokines and cell therapies. The company focuses on the development of drugs for the treatment of cancer and has built a pipeline of oncological programs driven by strategic licensing, M&A and internal discovery efforts.

Sowag AG für sozialen Wohnungsbau 

Basel · Since 1963

The core activity of SOWAG AG, a company for social housing construction, consists of promoting social housing by building and purchasing affordable residential buildings, maintaining and preserving their substance value, or by participating in or providing financial assistance to institutions that pursue the same or similar purpose.

Sozial - psychiatrische - Spitex Inhaber Patrik Gräble 

Basel · Since 2022

The core activity of the company 'sozial-psychiatrische-Spitex GmbH' is the outpatient psychiatric care and support of people in difficult situations, particularly in the field of psychiatry and addiction, with the aim of improving the quality of life of its clients. The services include, among others, case management, nursing service management, drug counseling, heroin project, station management, therapy and counseling.

Spaini Immobilien AG 

Basel · Since 2016

The core activity of Spaini Immobilien AG is the management and rental of real estate, in particular residential buildings and commercial properties with offices, medical practices and retail spaces in the Basel region.

Spaini Parkett & Bodenbeläge AG 

Basel · Since 2016

The core activity of Spaini Parkett & Bodenbeläge AG is the installation of floor coverings, including parquet and ceramic floor and wall coverings, as well as consulting on the selection of the suitable floor covering for various application areas such as living rooms, offices, outdoor spaces and large-scale projects.

Spark and Spice GmbH 

Basel · Since 2020

Spark and Spice GmbH is a project lab and incubator that develops innovations with social and economic impact. The company applies entrepreneurial approaches and No‑Code tools to rapidly test and iterate ideas, then scales projects or hands them over to partners. Spark and Spice also acts as an impact investor and initiates projects related to future skills and ecological sustainability.