Kamatera
Kamatera offers general purpose hosting services, including VPS options suitable for Forex traders. The company boasts years and years of experience in the industry and is also able to provide high level of customization of servers and connected services. The geographical coverage for server location is also impressive, which can be useful when dealing with brokers all over the world. Their 30-day free trial period allows you to test the quality of the service without paying upfront. Kamatera's biggest disadvantage is they only accept credit cards as a payment option. However, being an established hosting company, you can expected a very high level of professionalism both in terms of their customer support service and in terms of server management.