Can the head office be added as the respondent in labor arbitration?

Of course. According to article 14 of People's Republic of China (PRC) Company Law of China People's Congress website, it is indicated that a company can set up a branch, and it shall apply to the company registration authority for registration and obtain a business license. The branch company does not have the legal person status, and its civil liability shall be borne by the company. In the labor arbitration, the head office may be added as the respondent.