Prime Brokerage

Market leader for digital asset trading solutions

OTC Trading

OSL’s over-the-counter (OTC) trading combines access to unparalleled market liquidity with complete privacy and guaranteed price quotes. Each trade is conducted and executed directly against the counterpart and with no on-exchange price slippage or order book discovery. This ensures instant, seamless, secure transactions with near instant settlement.



Access to OSL intelligent Request For Quote (iRFQ) technology, an efficient and secure environment trading environment that provides ‘one-click access’ to a number of token options.

Easy access

Customers are ‘one-click’ away from a user-friendly interface, device agnostic interface that is available 24/7

Flexible product bundle

Weighted by market capitalization on a real-time basis, coin utility or a selection of other characteristics, OSL iRFQ instantly executes orders for bundles of digital assets which are immediately settled to hot or cold wallets


Supports digital asset trading in major currencies including USD, HKD, CHF, AUD, EUR, JPY & GBP



Earn token interest on your digital asset holdings

OSL Lending enables counterparts to earn interest from token holdings in an OSL Preferred account. Counterparts can earn interest based on market demand, account standing and agreed terms

interest rates

Multi-token coverage

Fixed and open term

From now to Apr 30, 2020, open a new OSL Preferred digital assets account and you can enjoy a 8% lending offer. Click here to know more about the offer

Earn up to 8%** p.a. token interest on digital asset holdings with optional early repayment

In addition to BTC, we support a wide array of highly liquid stable coins and ERC20 tokens

From 1 month to 12 months to cater to individual needs and preferences

Learn more about Lending by downloading the mini-series

By providing the information below, I agree to the use of personal data for direct marketing purposes by OSL SG PTE. LTD. and its affiliates (the “Group”). 


Generate premiums paid right away while optimizing your digital asset performance.


Immediate premiums

Multiple Tenors

Flexible Parameters

Receive an immediate premium payment in USD or a chosen digital asset

Tenors ranging from 1 month to 12 months to cater to individual needs and preferences Flexible parameters

Choose conversion levels and performance fees dependent on portfolio strategy

Learn more about Flexi+ by downloading the mini-series

By providing the information below, I agree to the use of personal data for direct marketing purposes by OSL SG PTE. LTD. and its affiliates (the “Group”). 


Store tokens in an insured, audited, and secured account


Advanced risk protocols

Comprehensive protection

Military grade technology

With coin purity technology, we are able to analyze coin provenance on specific blockchains

Processes and protection measures have been reviewed by our underwriters as part of the underwriting process

Built with military grade Faraday cage, multi-person access requirement, and multi-factor biometric authentication





Account funding

Rapid on-boarding


Start trading



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A member of BC Group (Stock Code: 863 HK)

Officially certified blockchain, digital asset and financial inclusion provider by

The products and services offered on this website are offered by OSL SG PTE. LTD. (the “Company”), a Singaporean company with a UEN of 201836009D. Products and services described herein are not open to residents of the US, Japan and other restricted countries.


*Must be (i) onboarded to the Company, (ii) qualify as an accredited investor under Singaporean law, and (iii) maintain a minimum total relationship balance of USD $1,000,000, averaged on a monthly basis.

**Risk Disclosure: This document does not disclose all of the risks and other significant aspects of digital assets (including trading, lending, borrowing or any other products or services described on this website). In light of the risks, you should undertake such transactions only if you understand the nature of the contracts and the extent of your exposure to risk. Digital assets (and any associated products) may be subject to certain risks, including a lack of liquidity and substantial volatility, high degree of industry uncertainty, cybersecurity risks and other risks described in the Risk Disclosure Statement. Further, trading, lending or borrowing of digital assets is not suitable for all investors, and the risk of loss can be significant. OSL SG PTE. LTD. makes no representation as to the accuracy or completeness of any information contained herein or otherwise provided by us. In providing any products or services described on this website, we are acting on a principal-to-principal basis, and not acting as your advisor or agent, or in any other capacity (including as a fiduciary) to you. Please refer to the disclaimers at paragraph 12 of the Terms of Use, as well as any applicable disclaimers in any agreement(s) you sign with the Company for more details.