Make London's Skyline Safer, Smarter and More Striking At Spectrum Specialist Support , we do not simply maintain buildings. We help protect London's skyline . From cutting-edge skyscrapers and historic landmarks to Georgian townhouses and Brutalist icons, we keep some of the capital's most recognisable buildings safe, compliant and looking their best. For more than 20 years, we have been at the forefront of façade restoration and specialist cleaning. Combining patented 3D technology with exper…