There are three main types of company meetings: statutory meetings, annual general meetings (AGMs), and extraordinary general meetings. Statutory meetings must be held within 6 months of incorporation to inform members about company formation. AGMs must be held annually to discuss ordinary business like financial reports. Extraordinary general meetings are additional meetings called when urgent special business arises. All company meetings require proper notice, valid constitution and conduct according to applicable laws and articles of association. The chairman oversees the valid and orderly conduct of meetings.