Gatblac is a company based in Chile, but specific details about its services or target audience are not readily available from the provided sources. The company's website and LinkedIn page do not offer explicit information on their offerings or unique selling proposition. Typically, a company's unique selling proposition (USP) is a feature that sets it apart from competitors, but without more specific data, Gatblac's USP remains undefined. Further research would be needed to determine their exact services and target audience.