Coinzz is the Russian cloud mining platform that provides no information about its service. The users are required to pay first. There is no feedback from users, too.

HashFlare is a popular cloud mining platform launched in 2015. It is praised for its user-friendly interface making it possible to earn crypto for people unfamiliar with the world of cryptocurrencies . There are five currencies that can be "mined" on HashFlare: Bitcoin (BTC), Ethereum (ETH), Litecoin (LTC), Dash (DASH), and Zcash (ZEC).

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.

2miners is a multicurrency mining pool with the servers located in the US, Europe and Asia. 2miners supports around 20 currencies including ETH, ETC, ZEC, MUSIC, BTG, ZEN, BTCP, CLO, and many others.

HashGains - is an enterprise of the American company Futuristics Internet Services that was launched in 2017. HashGains includes more than 1,500 professionals in their field, but also several mega data centers.

Hashing24 is active since 2016. It is one of the most popular cloud mining services. The only currency mined on Hashing24 is Bitcoin. The offices of the company are located in the UK, Thailand, and Ukraine while mining farms are situated in Georgia and Iceland. Such diverse geography is needed to secure the business from changeable regulations in the world of cryptocurrencies. One of the partners of Hashing24 is an established blockchain company Bitfury. This fact is one of the trust factors for Hashing24.

MinerGate is an international multi-currency mining pool. Currently, it supports 10 currencies (including Monero, Ethereum, Litecoin, Zcash, and others). The pool has an intuitive GUI which helps newcomers to join mining. MinerGate has wide functionality letting users utilize diverse mining clients and devices.

Although NiceHash is usually regarded as a mining service, it's better to say that it's a kind of a platform for selling/buying cloud mining contracts. What is special about NiceHash is that users can opt for both selling and buying the hash power on this platform.

Ethermine contributes to the same mining pool as Ethpool and this pool provides around a quarter of the hashrate used for the mining of Ether. In other words, this pool is the largest Ethereum mining pool.

Support XMR is a large mining pool designed for a single purpose which is Monero mining. The fee is quite low (0.6 ). The minimum payout is 0.1 XMR. Such an amount can be demanding for some people although it's quite a standard amount.

F2pool is a Chinese multicurrency mining pool founded in 2013. Now it has servers located in the USA, Canada, Russia, Singapore, and several other countries. The pool has a big number of supported coins. Currently, it is possible to mine around 40 currencies on F2pool.

Poolin was launched by the company Blockin in China. Poolin supports 9 currencies (Bitcoin, Bitcoin Cash, Bitcoin Cash SV, Zcash, Litecoin and several others among them). 20 of the world's hashrate for mining of Litecoin is coming from Poolin. Around 12 for Bitcoin and 8 for Bitcoin Cash respectively.

Miningpoolhub is one of the oldest mining pools on the market. One of the best specs of Miningpoolhub is a pool fee which is only 0.9. The set of the supported coins is impressive no less. It is possible to mine 36 different cryptocurrencies on Miningpoolhub. The pool offers a feature of mining one currency and getting paid with another currency. It creates great opportunities for miners as they might find the most profitable configuration using this feature.

Dwarfpool is one of the largest Ethereum mining pools with its servers working around the world. The pool doesn't require registration as it's 100% anonymous. The statistics can be monitored right on the website. Miners are supposed to get paid every hour automatically. The minimum payout can be set by user's demand.

MineXMR is a Monero mining pool used by roughly 25 thousands of people.

MoneroHash is a US mining pool created solely for Monero mining. Since 2014 it is run by a single person. The fee is 1.6 and a part of this amount is given to open source developers. The payouts occur every 24 hour (in case if the threshold is reached). There's an option to send the mined coins straight to the exchange wallet. It saves users some money that could be spent on transaction fees.

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.

Eobot is a veteran cloud mining platform from California. There's no info about the owners of the company although it is known that Eobot uses the mining farm with Antminer S series devices. Currently, the platform boasts over half a million users.

Honeyminer is a complex crypto mining software that is designed to run in the background of your desktop. Looking at the about page, we are given a bit of information regarding the operations and business model of the mining firm.  

The firm launched its mining operations in 2018 with the aim of providing easy access to crypto enthusiasts that did not have the funds to operate mines themselves. Since its launch, Honeyminer has grown from initially mining Bitcoin to an array of cryptocurrencies.

Alien Cloud presents a cloud mining platform, a mining pool, a cryptocurrency exchange, and a wallet. There's not much info about the company. It is believed that the company is located in Russia although there are no accurate data to dispute or prove it.