Wilmslow-based self-storage business, Flexiss Group and US-based Compound Real Estate have announced a £300m strategic partnership to deliver a landmark self-storage portfolio across London and key towns around the M25. The Comporter Portfolio will be a collection of best-in-class, new-build self-storage assets located in strategic, affluent and densely populated markets. With a shared vision to set a new benchmark for quality in the sector, the partnership has already secured five landmark sites and has two additional locations under offer, representing more than 500,000 sq ft of Net Lettable Area (NLA).…