This west London firm’s video-processing products were used at the NME Awards show at 02 Academy Brixton in February, where Taylor Swift and Billy Bragg presented the final award — and struck up a friendship. Its Tessera software and hardware boosts the performance of the LED video walls used at concerts and corporate events and on outdoor signs, such as on the BT Tower. Its technology can also create real-time reactive backgrounds, which helped film crews to navigate lockdown restrictions. Co-founders Chris Hunt, 52, Richard Mead, 44, and Nick Archdale, 54, started Brompton in 2011 and oversaw sales of £12m last year. In May, it launched a Chinese version of its website to support its office in Shenzhen, which opened last year.