A parent company is a limited company that controls one or more subsidiaries, usually by owning more than half of the votes. Together they form a corporate group. A parent company that only owns shares is sometimes called a holding company.
In a group structure, each company's share ledger and shareholder register needs to be correct. NVR makes it easy to oversee ownership across the whole group in the same view.

A subsidiary is a company controlled by another company, the parent company.
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A corporate group is a group of companies where a parent company owns one or more subsidiaries.
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Voting rights are a shareholder's right to vote at the general meeting, often depending on share class.
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A shareholder register is a record of all the shareholders in a company and their holdings.
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