Counterparty credit concentration in reinsurance is not a back-office clerical matter—it is a front-line earnings exposure that silently erodes surplus, distorts SCR calculations, and blindsides CUOs during renewal. Reinsurers that treat this as operational hygiene will discover its true financial magnitude only when a single retrocessionaire default cascades across multiple treaties.
Legal-entity reporting fragments portfolio visibility, concealing concentration risks that translate directly into earnings shocks when correlated losses strike across entity boundaries.