This Finpip overview summarizes ThinkMarkets as commonly marketed to retail traders (founded 2010; HQ: Melbourne, Australia). Typical platforms include ThinkTrader, MetaTrader 4, MetaTrader 5.
Regulatory snapshot (not legal advice): ASIC; FCA; FSA Seychelles; FSCA; JFSA Japan (TF Global Markets)
Official website: https://www.thinkmarkets.com/. Confirm licence numbers, product availability, and costs there before funding an account.