[8] Tash opened her first studio, Venus Modern Body Art, in 1993[7][8][9] in Manhattan's East Village, specializing in navel piercings and jewelry.

[12][6] Tash launched a line of international stores with its flagship location opening in New York City in 2004.

[19][20] In 2020 during the Corona-Pandemic, Maria Tash began to offer complimentary virtual appointments through FaceTime and Google Hangouts in English, Spanish, French, Italian and Arabic.

[21] Tash modified several industry standard methods of assembling jewelry to create pieces that better fit the wearer.

[8] Her designs have been worn by Hailey Bieber, Rihanna, Ashley Graham, Queen Rania and Maritta Hallani.