Hear about events you'll love and get exclusive ticket offers Email address Newsletter sign up I wish to receive information about Olympia Events by email. Olympia Events Privacy Policy. What's on Tradeshow 14-16 Sep Top Drawer Free 20-21 Sep London Pet Show Live From £16 Tradeshow 24-25 Sep Big Data LDN Free Tradeshow 30-1 Sep/Oct International Cyber Expo Free Tradeshow 30-1 Sep/Oct International Security Expo Free Tradeshow 6-7 Oct Independent Hotel Show Free