Check this ones :
Genesis Mining: One of the most popular cloud mining platforms, Genesis Mining offers a variety of contracts and has been in operation since 2013. They provide detailed information on their mining operations and have a large user base.
Hashflare: While it doesn't offer as many cryptocurrency options as Genesis Mining, Hashflare allows users to buy a range of contracts for Bitcoin and other altcoins. They are known for their user-friendly interface.
NiceHash: Rather than traditional cloud mining, NiceHash is a marketplace that allows users to buy and sell hashing power. There's a level of flexibility that may appeal to users looking to mine various cryptocurrencies.
MinerGate: Primarily known for its mining software, MinerGate also offers cloud mining options. It’s user-friendly and has a good reputation among the mining community.
IQ Mining: This platform allows users to invest in a variety of mining contracts and pay-outs in different cryptocurrencies. They have a straightforward interface and provide various mining strategies.