It always follows after the company name... you could also read it in some companies as L.L.C (Ltd Liability Company). It's mostly suitable for small companies with limited nbr of owners.

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Shareholders in a limited company are only liable to third parties to the limit of their shareholding.Other participants e.g. directors would not normally have any personal liability except with respect to creditors where there has been wrongful or fraudulent trading or when personal guarantees or other such undertakings have been given by directors or others.
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