It is both responsible and legal for the nominal shareholders to sign the company loan guarantee. According to the relevant information, the nominal shareholder is actually the shareholder of the company, and once he needs to bear the responsibility, the shareholder cannot avoid it. Once the nominal shareholders assume the responsibility, they can ask the anonymous shareholders to recover. Where the company provides guarantee for the shareholders or actual controllers of the company, it must be resolved by the shareholders' meeting or the shareholders' meeting.