Many companies don’t approve of scalping, so before opening a real account at a broker’s platform, clarify what attitude does it have to this strategy. Although good and reliable companies, which work honestly, don’t limit their traders in the choice of trading strategies.
just here to follow the thread 
Turnkey Forex is the perfect broker to trade with if you want to scalp. It follows a true ECN model and is not a market maker. Tight spreads and no slippage or requotes are what you’ll get with them and orders are executed pretty fast.