Contact and Onboarding
Our onboarding process is selective, secure, and fully confidential. We work exclusively with serious institutional structures that meet our compliance requirements.
Onboarding Requirements
To begin the assessment process, your structure must present the following documentation and meet our institutional criteria.
Required Documentation
- Proof of access to receiving bank with S2B infrastructure
- Legal documentation of the proposing entity
- Defined economic purpose and use for the funds
- Agreement to confidentiality and compliance protocols
Exclusions
- Individual persons or informal companies
- Undocumented or speculative transactions
- Entities without transparent institutional structure
- Operations without legitimate economic purpose
Contact Information
For qualified institutional inquiries, please contact us through the channels below.
UK Office
71-75 Shelton Street
Covent Garden, London, UK, WC2H 9JQ
Institutional Email
contact@21blackstone.com
For qualified institutional inquiries only
Assessment Process
Strictly by appointment only
Initial assessment: 5-7 business days
All communications are confidential and secure
Confidentiality Notice
All information shared through our institutional channel is handled with the utmost confidentiality and evaluated by a qualified team under strict non-disclosure protocols. We maintain the highest standards of professional discretion and regulatory compliance in all our communications.