IQMining is an online cloud mining service that offers to remotely mine Bitcoin cryptocurrencies (SHA-256 algorithm), Litecoin (Scrypt), Ethereum (Ethash) and other altcoins without the need to buy equipment.
The Q-EN platform is a mining company based in Sofia, Bulgaria where you can purchase a cloud mining contract and monitor your mining statistics in real-time. With Q-EN, you don’t have to deal with the maddening hum of the video cards, the excess heat they generate and the costly electricity bills.
BTCSweet is a UK based cloud mining company launched in 2017.
BTCSweet charges no maintenance fee. The contracts are "lifetime" (it means that there is no determined duration of the contract and it finishes when the chosen mining plan becomes unprofitable). The platform accepts payments in Bitcoin, or by Payeer, Perfect Money or PayPal.