Most lines will work with groups often at reduced rates depending on how many people are involved.
Policies vary from company to company and sometimes during certain times of the year.
Just consult your CLIA-affiliated travel agent for details. Just about every full size ship has public rooms to offer as meeting space for groups. If you'd like to make such arrangements, ask your CLIA-affiliated travel agent to contact the cruise line's group sales department to coordinate schedules and arrange for any catering needs. Your ship may also be able to offer audio-visual equipment. Fla. Seller of Travel Reg.