Images: Shutterstock
Source: companiesmarketcap.com
Crypto mining is the process through which new cryptocurrencies are created by solving complicated mathematical problems and are added to the public ledger (blockchain).
Here are the 10 biggest crypto mining companies in the world by market capitalisation.
As of July 14, 2025
10. TeraWulf
M cap: $1.90 billion
The company offers low-cost, environmentally responsible mining and continues investing in expanding site efficiency. It has operations in New York and Pennsylvania.
9. Cipher Mining
M cap: $2.17 billion
It’s majorly focused on cost-effective scaling and long-term profitability in the US mining landscape.
8. Hut 8 Mining
M cap: $2.51 billion
Its platform spans across 1,020 MW of energy capacity under management, spanning 15 sites in the US and Canada, including 5 bitcoin mining sites in New York, Alberta and Texas.
7. Bitdeer Technologies
M cap: $2.60 billion
It offers self-mining, hosting and cloud-based solutions through its advanced facilities across the US, Norway and Bhutan.
6. Phoenix Group
M cap: $2.76 billion
This UAE-based firm manages over 725 MW of mining infrastructure across the Middle East, North Africa, North America, and Europe.
Image: phoenixgroupuae.com; Edited on Canva
5. CleanSpark
M cap: $3.55 billion
Headquartered in Nevada, CleanSpark is working towards low-carbon mining and recently pivoted towards AI data centres.
4. Core Scientific
M cap: $3.79 billion
It provides large-scale bitcoin mining and enterprise-level solutions from across several US states.
3. Iris Energy
M cap: $3.92 billion
The company’s USA and Australia-based data centres are 100% powered by renewable energy.
2. Riot Platforms
M cap: $4.43 billion
It has large-scale operations in Texas and Kentucky. It's Whinstone Mining Farm (Texas) is the largest in the world.
1. Marathon Digital Holdings
M cap: $6.3 billion
Headquartered in Las Vegas, it is the world’s largest publicly traded crypto mining company. It expanded its operations to Texas, North Dakota and the UAE.
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