Unhappy client

Im very disappointed about this company I started to invest on this company on 2020 but when it comes to payments u have follow them about your money last year I was supposed to get my money on June from 7-15 that payments dates but I didn't get it so end of June I went there to offices they said I'm not on the list to get paid they didn't get my contract form ok I understand now i was supposed to get paid on 7-15 December until today when u calling them u don't get a straight answer or they don't the phone at all whatsapp they don't respond even email adress no response so I don't know what to do now.