CGP stands for the Controlled Goods Program registration; individuals or organizations may be eligible to register. What is CGP ? There may be more than one meaning of CGP , so check it out all meanings of CGP one by one. Looking for online definition of CGP or what CGP stands for? CGP is listed in the World's largest and most authoritative dictionary database of abbreviations and. Co-ordination Group Publications is a textbook publishing company, and is a UK educational publisher, and has published over 600 books.