Copper
Companies
Copper is a London-based institutional digital asset infrastructure company providing Bitcoin and crypto custody, prime brokerage, and settlement services. Founded in 2018, Copper's ClearLoop technology enables off-exchange settlement, allowing institutional traders to access exchange liquidity without moving funds on-chain. Copper is regulated by the FCA and serves hedge funds, asset managers, and exchanges globally.
Details
- Public
- No
- Sector
- bitcoin_custody
- Known For
- ClearLoop off-exchange settlement, institutional Bitcoin custody, FCA-regulated
- Company Type
- Institutional Custodian
- Founded Year
- 2018
- Headquarters
- London, United Kingdom
- Bitcoin Holdings Note
- Private custodian — holds client BTC, not own treasury. No public disclosure of proprietary holdings.
More Companies
Strategy (formerly MicroStrategy)
Strategy (Nasdaq: MSTR), formerly MicroStrategy, is the world's largest corporate Bitcoin holder. Founded by Michael Saylor, the company rebranded in 2025 to reflect its identity as a Bitcoin treasury company. It holds over 500,000 BTC accumulated through equity and debt financing, pioneering the corporate Bitcoin standard that inspired hundreds of companies worldwide.
ACINQ
ACINQ is a French Bitcoin infrastructure company and the developer of Eclair, one of the three major Lightning Network implementations. Founded in 2014, ACINQ builds Phoenix Wallet (a non-custodial Lightning wallet) and operates the ACINQ Lightning node, one of the most well-connected nodes on the Lightning Network.
Acurx Pharmaceuticals
Acurx Pharmaceuticals (NASDAQ: ACXP) is a US biopharmaceutical company that made headlines in November 2021 by adopting Bitcoin as its primary treasury reserve asset — one of the first pharmaceutical companies to do so. The company approved purchasing $1 million in Bitcoin and has continued to hold BTC alongside its drug development pipeline focused on antibiotics. Notable for crossing industry boundaries to embrace the Bitcoin standard.
Free Beginners Guide to Buying Bitcoin
New to Bitcoin? Get our complete beginner's guide.