According to Vedic Astrology, the tenth house is considered the house of profession or career. So, when we are talking about the Significance of Mercury in the Tenth House, it means we are going to talk about mercury’s effect on your house of profession. This placement tells that you have the upper hand in communication, which will help you in your career. Budha or mercury, as per Hindu legends, Budha or mercury is a deity who is the son of Moon and nakshatra lord of Ashlesha, Jyeshtha, and Revati. Budha is the fourth planet amongst the navagrahas.