The south east-based tile retailer has confirmed it has joined the association, which provides technical support to members and customers as wells as promoting high standards in the tiling industry.
The retailer underwent financial health and company reputation checks before it was allowed to join the association.
Tile Depot has 19 stores across the Greater London area, and boasts a shopping experience "made easier [by] lifestyle displays" allowing customers to visualise a finished room. The retailer is now 17 years old and has a head office base in Slough.
Managing director Danny Steptoe said: "Tile Depot is proud to be a member of the Tile Association, as their expert advice and support to the tile industry are invaluable.
"It also allows our customers to see that with Tile Depot they are dealing with a professional organisation that offers quality products and quality service."