closing the loop

PwC's acceleration programme for organisations committed to change

At Tangram we are committed to sustainable business models. We offer support, coaching and guidance to organisations focused on triple impact to make their purpose a reality.
Your commitment is what moves us, do you want to grow with us?

We accelerate Circular Economy projects to promote a new model of production and consumption, and thus achieve a sustainable economy: decarbonised, efficient in the use of resources and competitive.

Change is in our hands. That’s why, in this first edition, we are looking for entrepreneurs, startups or SMEs that address challenges in the Circular Economy based on 4 themes:

  • Waste management

    Solutions that promote the reuse of resources, avoiding the proliferation of waste and promoting recycling.

  • Sustainable materials and packaging

    Solutions that transform into raw materials what would otherwise become waste and facilitate the use of resources.

  • Supply chain

    Solutions that promote the effectiveness of production and use systems, avoiding the linear production model.

  • Collaborative economy

    Solutions that promote the consumption of goods and services in a collaborative way based on new technologies and cooperation networks.


Expert advice

Access to a network of widely-recognised professionals and experts.


Training itinerary based on key elements of business management.

Access to capital

Promoting alliances and access to possible collaborations with investment organisations.

Co-working space

Free access to co-working spaces in Madrid, Barcelona and Bilbao.

Community and

Networking, collaborative actions, content and themed events.

International network

Access to an international network of entrepreneurship with impact via Impact Hub.


june – august

Application process

Deadline for applications via the application form



Acceleration of selected projects

3 months of online training, advice and support from experts and leading entrepreneurs to develop and grow your business.


Project selection

Selection of finalists chosen by a jury. Selection criteria and programme rules


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