GBP 500 is the minimum deposit at Saxo Capital Markets. The minimum funding varies based on account tiers and jurisdiction. For example, Australian-based traders have a minimum deposit policy of AUD 3,000. At Saxo, funding is supported in 18 different currencies while your money is kept safe in segregated trust accounts and protected by different compensation schemes.
You can also check the Best ASIC Regulated Forex Brokers For Australian Traders if you fall under this jurisdiction.