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The African Venture Builder

Engineering the Next
African Success Story.

LeanStart Africa builds high-impact solutions for the continent's digital future.

Built with Africa in mind, not bolted on after.

Most platforms are designed elsewhere and adapted for Africa as an afterthought. Ours start from African realities (sellers, bandwidth, and family) and are built around them from day one.

Sellers first, not platforms first

Hali is built starting with sellers in Cameroon, not a generic global storefront retrofitted for the continent later.

Privacy that doesn't cost you data

Blotmarked redacts documents entirely on-device. Nothing is uploaded, so privacy costs no data where bandwidth is expensive.

Family, kept private

Ukoo Yangu is self-hosted and invite-only, built for the trust and privacy African family histories actually need.

Our Active Portfolio

From marketplaces to privacy tools and family record keeping, built and documented in the open.

  • Hali logo
    Status: Under Development

    Hali

    hali.africa

    A marketplace built for sellers to reach buyers directly, starting with sellers in Cameroon. Currently in staged rollout to early testers.

  • Blotmarked logo
    Status: Pre-launch

    Blotmarked

    blotmarked.app

    Redact personal information from documents before you share them. Detection happens entirely on-device, so nothing is uploaded or stored. Pay per document, no subscription.

  • Ukoo Yangu
    Status: Under Development

    Ukoo Yangu

    ukooyangu.com

    A private, self-hosted family tree for building and preserving your family's history without handing it to a third party. Invite-only for now, with export and print planned.

  • Seedfund Africa
    Status: Idea

    Seedfund Africa

    seedfund.africa

    Empowering early-stage founders with the capital, network, and operational support required to scale innovative solutions across the continent.

    Coming Soon