The Centre

Effective approaches to fighting corruption


The Anti-Corruption Collective Action Impact Centre (ACCA) is a unique initiative within IACA dedicated to the promotion of Collective Action in response to the current demand for new and more effective alternatives in fighting corruption, grounded in local contexts and based on trust and collaboration.

The ACCA is designed to provide educational services, to promote research, and to foster the practical implementation of Collective Action initiatives. Through its flagship programme, the Anti-Corruption Collective Action Certificate (ACCA), the Centre promotes the practical implementation of Collective Action based on a tailored methodology and close guidance. The ACCA certificate is open for applicants to start activities in April 2024.

ACCA Principles and Action Areas

Alternative to traditional anti-corruption approaches

The ACCA addresses the need for alternatives to traditional models in the anti-corruption field, which are usually based on repression, sanctions, reduction of discretion, and the like. This alternative response is centered on elements that strengthen trust, collaboration, voluntary participation, and the existence of multiple actors whose common purpose is to address the problem of corruption in a particular sector.

Combination of academic and practical activities

The effective fostering of Collective Action initiatives is based on a combination of academic foundations and impact-driven activities. Projects with real impact are pursued, based on education, mentoring, and the implementation of practical methodologies and tools.  

Enhancing impact through collaboration and synergies

Collaboration lies at the heart of Collective Action. The ACCA carries out activities in close collaboration with other IACA departments, and with other international organizations, initiatives, civil society, and academia with an interest in the field of Collective Action.

Focus on local context and culture

A fundamental principle in the implementation of the ACCA activities is the consideration of the local context and culture. Experience in implementing anti-corruption interventions demonstrates that consideration of local characteristics is a critical first step for effectiveness.

Education and Training

The ACCA provides education and training in the area of Collective Action focusing on the conditions and factors that enhance collaboration, and the elements for effective implementation of anti-corruption initiatives. 

Promote Collective Action

The Centre promotes Collective Action through projects designed and led in their implementation by professionals in the anti-corruption area.  For this purpose, the Centre applies a thorough methodology and provides close guidance to participants.  


Collective Action in the anti-corruption sector is an evolving area that benefits greatly from theoretical thinking and empirical evidence. The ACCA promotes research conducted primarily by programme participants, but also by practitioners and academics interested in the field. 

ACCA Certificate

At the heart of the Centre is the Anti-Corruption Collective Action Certificate (ACCA), a one-year post-graduate certificate that trains and guides participants in the implementation of Collective Action projects.

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