The Speaker of the House is also the presiding Officer in The House of Commons, the lower House in the Parliamentary system. The office originated in the mother of parliaments.

The Speaker, by parliamentary tradition is the only member who speaks. All questions to Minister of the Crown must be addressed through him. "Mr. Speaker", as he is often referred to, administers all discipline in the House, and is responsible for it smooth working.

In Canada, the Speaker of the House is effectively the CEO of aq multi-million dollar corporation.