Sovereign AI For Africa
B57 is a group of companies building sovereign AI infrastructure for Africa: the skills, the talent, the work and the systems, built and held on the continent. Accra, Ghana.
Sovereign AI
Accra, Ghana
Intelligence is
infrastructure.
- 01
African data, models and compute held under African jurisdiction.
- 02
Systems trained on our languages, institutions and markets.
- 03
Skills, talent and IP built and kept on the continent.
Infrastructure is more than servers. We build every layer, and each one turns the next.
- 01
Skills
BUILD AI Academy
A national base of people who can use and build with AI. Without it, every other layer is imported.
- 02
Systems
Mansco
Operations that run end to end on AI built here, proven in a real business before they are offered to anyone else.
- 03
Government
Poligence
Sovereign, AI-powered services and products built for the state, on infrastructure the state controls.
- 04
Talent
Cactus Talent
AI-ready professionals organised, placed and kept working from Ghana for clients anywhere.
- 05
Work
Collaborative Skills Economy
The channels that carry African AI talent into international companies and bring the value home.
Skills build the systems. Systems prove themselves to the state. Government demand pulls through talent. Talent is placed into work. Work returns value to the skills base. Round again.
The companies
- 01 BUILD AI Academy The skills layer. A public education programme on a mission to train 300,000 Ghanaians in practical artificial intelligence.
- 02 Mansco The systems layer. A frozen-protein import and coldstore business at Tema port whose entire operation runs on AI agents the group built, with people as the layer on top.
- 03 Poligence The government layer. Sovereign, AI-powered services and products for government, from real-time public sentiment to the systems that run the state.
- 04 Cactus Talent The talent layer. Positioning Ghana as a global hub for AI-ready digital talent.
- 05 Collaborative Skills Economy The work layer. Launched at the UK Parliament in June 2025, connecting Ghanaian talent working with AI tools to UK companies.
Julian
‘Nana’
Owusu
Group Chairman, B57 · Accra, Ghana
A Ghanaian entrepreneur building at the intersection of artificial intelligence, talent and trade. Former professional footballer, co-founder of a digital bank, and founder of the group of companies behind BUILD AI Academy and Cactus Talent.
Read more about JulianGovernment innovation reports.
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