Due to kashrut issues discovered recently with Seaweed and Nori these are now only permitted when bearing a reliable hechsher, so products previously listed as approved are no longer permitted.
Seaweed/Nori with a hechsher may be purchased from kosher stores.
The following KLBD licensees specialise in Sushi:
Sushi by Ezri (counter in Moshe's, Temple Fortune)
www.cateringbyezri.co.uk
Sushi Counter in Mendy's (Edgware)
shop@mendys.co.uk
Sushi Haven (counter in Kosher Kingdom, Golders Green)
Sushi Haven (counter in Hadar, Edgware)
Sushi Haven Restaurant (Golders Green)
www.sushihaven.co.uk
Sushi Counter in Tapuach (Hendon)
sales@tapuach.co.uk
Sushi Counter in White Fish Restaurant (Hendon)
www.whitefishrestaurant.co.uk
Many other KLBD licensees including caterers, restaurants, bakeries and shops, also make or sell sushi.