On 23rd November, the Mail & Guardian discussed Chancellor House’s involvement in the R20bn Eskom deal in this article.
Among other points, it noted how:
“One of South Africa’s largest state contracts yet has been awarded to a consortium that includes the African National Congress’s (ANC) own funding company.
….
Chancellor House has a R3-billion stake in the contract. [...]

The first the world heard of Chancellor House, and its links to the ruling ANC, were in this piece published in the Mail & Guardian in November last year.
Despite the raw accusations in the article, the lack of response was notable.

These are excerpts
“The Johannesburg-based Chancellor House group of companies has acquired “empowerment” stakes in a [...]