What are the similarities and differences between a public company and a private company?

A public limited Co can offer its shares to the public; a private limited Co cannot do that.
A private Co has a limit of 50 members; a public Co has no limit on members.
In a public Co, members’ resolution is to be passed in a meeting; in a private Co, members resolution can be passed through a written resolution.

Only public limited companies names end with Bhd, and only private limited companies names end with Sdn Bhd.....Public unliimted Co will not have Bhd, while private unlimited Co will end with Sendirian only, without Bhd. Both public and private companies can have minimum of 1 share...but a public company requires minimum 2 directors. Private companies no longer need to hold AGM every year.