Five independent consulting firms. One alliance. Local proximity and shared talent for sustainable transformation across Europe.

Aggregated results from 75 companies across 14 industries, combining quantitative scoring with qualitative management perspectives.
AI adoption has clearly moved beyond isolated experimentation. But most organisations have not yet built the governance, operating model and workforce capabilities needed to scale it into repeatable business value.
A network of leading European strategy and management consultancies, enabling sustainable transformations by combining talent, knowledge and international expertise.
We accelerate sustainable transformation and grow stronger together, both as an alliance and for our clients.
We empower people to develop their potential and embed transformation into the core of every business.
We combine local market insight with deep functional and international expertise to deliver lasting impact.
A diverse network of experts committed to delivering exceptional insight and tangible business value.
“To accelerate and promote sustainable transformation and to grow stronger, both together and in our local markets, by providing:”
The opportunity for our people to develop their talent in an international environment.
An international footprint of clients, based on deep local relationships.
Outstanding know-how from our shared knowledge and experience.
Exceptional insights for us to further develop our sister firms.

Business transformation with a focus on sustainable value creation — head, heart and hands.

Leading French strategy consultancy driving responsible, sustainable transformation.

Business innovation and future-proof models through strategic design and modern leadership.

Sustainable growth through strategic advisory and inclusive business practices.

Organisational health consultancy helping businesses navigate complex change.

Data-driven retail solutions that strengthen customer experience and performance.









We collaborate across borders to design and implement projects, combining international expertise with local market insight.
Through ongoing exchange of best practice and experience, we accelerate innovation and create real client value.
Built on trust, collaboration and entrepreneurial spirit — developing our people and nurturing long-term relationships.
Through joint learning and international exchange, we strengthen our capabilities and achieve more together.



A growing network of young consultants across the alliance, exchanging knowledge, building relationships and shaping the future of transformation together.
When you work in different environments and contexts, you meet people you really click with. It's also a great chance to connect internationally and grow your network along the way.

Being part of the TTA means belonging to a group of people from diverse cultures and languages, united by something truly powerful at the core.

At our core, we're all true internationalists. Being part of the TTA is about broadening our perspectives and extending our reach. It's a chance to engage in a truly global context.

Tell us about your transformation challenge. We'll connect you with the right expertise across the Alliance.
Max-Joseph-Straße 6
80333 Munich, Germany
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