Portals is an experimental/math/post-rock gig promoter in London specialising in all day events and festivals.
 
Artists to have played Portals include: Talons, The Fierce & The Dead, Her Name Is Calla, Vasudeva, Hark, Vasa, Waking Aida, AKDK, Poly-Math, Upcdownc, Death and the Penguin, Memory of Elephants, HWEBO, Taman Shud and many more...