Sister Company Endorsement Or Extension
Sister Company Endorsement or Extension is a policy extension that treats related or sister companies as covered entities or provides protection for transactions between affiliated companies, subject to wording.
The term is relevant to directors, officers, risk managers, company secretaries, investors, and insurers because management liability claims can threaten both corporate balance sheets and personal assets. For example, if shareholders, regulators, creditors, or employees allege that leaders mismanaged the company, the D&O programme may fund defence costs, settlements, or indemnification depending on the side of cover and exclusions. A practical way to read it is to ask: who is protected, whether the company can indemnify them, which layer pays, and whether defence costs erode the policy limit. The key is to read the term in context, because the same phrase can have a narrow technical meaning in a policy wording and a broader commercial meaning in everyday discussions. . In practice, two policies can use similar wording but produce different outcomes because limits, exclusions, definitions, endorsements, and local law change the final interpretation. When in doubt, the safest approach is to compare the term with the exact contract wording and ask the broker, adviser, insurer, or administrator to confirm how it applies to the specific situation.
How to read it in your program
Where “Sister Company Endorsement Or Extension” shows up at VIMA
Pages that explain how this works inside a live employee benefits programme.
Related terms
Terms that often appear alongside “Sister Company Endorsement Or Extension” in a policy schedule.