
Understand
Assess
Act

Alethius is Greek for "understanding." Our name represents what we strive for in all we do.
The enterprise is based on 3 governing principles:
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uncompromising expertise
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clear communication
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professional service.
Following these principles, we deliver economics, business and strategy for government and private clients internationally.
Our approach
Sean Ennis
Managing Director, Founder

Our focus is on delivering top quality expertise that yields additional, creative value to the matters on which we work. The work is based on economics, business and governance.
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Our team has broad economic and data experience, which can be brought to bear on a variety of matters for client topics that can include: abuse of dominance, cartels, legislation, and regulation.
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We prize not only technical expertise but also communication skills to convey understanding clearly, logically and convincingly to a broad range of audiences.
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We thrive and deliver within the tight time constraints often faced by government and private clients.
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As a boutique firm, we serve select clients around the world, both from government and private sector, including for competition law and regulatory defence and plaintiff work.