By Jon Robinson UK sales have surged past £500m at the owner of confectionary brands such as Ferrero Rocher, Nutella and Kinder Surprise, according to new accounts. Ferrero UK, which also owns Thorntons and Tic Tacs, has posted a revenue of £557.5m for the year to August 31, 2023, up from £473.4m. Pre-tax profits at the Middlesex-headquartered business also increased from £10.8m to £15.8m over the same period, according to newly filed accounts with Companies House. Ferrero said the increase in its revenue was due to “higher volumes sold coupled with a stronger product mix and the integration o…