By Rob Stanley-Turner: Here the largest UK Self Storage operator, Safestore and there largest stand-alone facility of around 9000 sqm and 1000 units. A most impressive facility. Safestore has 146 stores including 120 self-storage centres in the UK and a further 26 stores in the Paris region. Safestore was founded in the UK in 1998. It acquired the French business “Une Pièce en Plus” in 2004 which was founded in 1998 by the current Safestore Group CEO Frederic Vecchioli.