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Circle5 AG 

Zurich · Since 2017

Circular Hub GmbH 

Zurich · Since 2018

The core activity of the company 'Circular Hub' is to support Swiss companies and organizations in implementing a circular economy, particularly in the construction sector. To this end, the company offers a combination of innovative communication, advocacy and change management services to promote the transition from a linear throwaway economy to a resource-efficient circular economy.

Citibank (Switzerland) AG 

Zurich · Since 1979

Citibank (Switzerland) AG is a bank offering banking and financial services. It provides products across Citi’s business lines such as Banking & International, Markets, Wealth and Services, including corporate banking, capital markets, wealth management and transaction services.

Citigroup Global Markets (International) Finance GmbH 

Zurich · Since 1998

Citigroup Global Markets (International) Finance GmbH is part of the Citi group and provides financial products and services across Citi’s business lines, including Markets, Banking & International and Services.

CITIGROUP GLOBAL MARKETS LIMITED, London, Zweigniederlassung Zürich 

Zurich · Since 1993

CITIGROUP GLOBAL MARKETS LIMITED, London, Zweigniederlassung Zürich is part of Citi and provides financial products and services for institutional and corporate clients. The website lists business lines including Markets, Banking and International, Wealth and Services.

City Delikatessen GmbH 

Zurich · Since 2018

The core activity of City Delikatessen GmbH is the provision of services in the field of nutrition and health, specifically: * Delivery of food products * Nutrition counseling * Conducting workshops on healthy eating and lifestyle * Offering holistic nutrition services for balanced nutrition, natural beauty and more energy.

Classtime AG 

Zurich · Since 2019

The core activity of Classtime is the development and provision of a web-based platform for online exams, digital learning goal checks, virtual classrooms and collaborative learning, particularly for the education sector. The platform offers a range of features such as semi-automatic correction, gamification, live chat and comprehensive security and data protection policies.

Clearstream Fund Centre AG 

Zurich · Since 1998

The company offers a wide range of services in the field of financial market infrastructure, particularly in the areas of securities settlement, custody and financing. The core activities include: Securities Settlement and Custody, Credit and Collateral Services, Central Bank Money Services, Securities Lending and Borrowing, Electronic Securities Issuance, Digital Payments, and Research and Consulting in Sustainable Finance. The company provides these services to a broad range of clients, including banks, securities firms, insurance companies and central banks.

CLIMADA Technologies AG 

Zurich · Since 2023

CLIMADA is a provider of climate risk analysis technologies and services. The company's core activity is to support businesses and organizations in capturing and managing climate risks by: conducting climate risk analyses and modeling; offering software-as-a-service solutions (delta-climate™) to support companies in meeting regulatory requirements and identifying climate risks; and providing consulting and support in developing climate adaptation strategies. The company focuses on providing data-driven solutions to support businesses in managing climate risks while promoting transparency and the exchange of information on climate risks.

Climanosco 

Zurich · Since 2015

The core activity of Climanosco is to promote the dissemination of climate science and research to the general public by providing a platform for exchange between climate scientists and citizens. This includes the publication of articles, the organization of events, and the promotion of educational projects aimed at conveying climate knowledge. Climanosco's goals are to strengthen climate science, provide climate scientists with a platform to communicate their research results, and enable direct exchange between citizens and scientists.