SWIFT Code GRGMGB21 — HSBC GREENWELL, LONDON
Verified SWIFT/BIC code for HSBC GREENWELL in LONDON, United Kingdom. Use this code for international wire transfers.
LONDON
HSBC GREENWELL · United Kingdom
SWIFT / BIC Code
GRGMGB21
Code Breakdown
IFSC Code
MICR Code
BSR Code
Bank
Branch
LONDON
City
Country Code
GB
Connection Status
Active
About SWIFT Code GRGMGB21 — HSBC GREENWELL, LONDON
SWIFT code GRGMGB21 is the official 8-character head-office BIC (Bank Identifier Code) for HSBC GREENWELL in LONDON, United Kingdom. Standardised under ISO 9362 and maintained by the Society for Worldwide Interbank Financial Telecommunication (SWIFT), this code is used exclusively for cross-border wire transfers and is recognised by financial institutions in over 200 countries.
This code must be provided to the sender when receiving money from abroad, and is required by HSBC GREENWELL for all outward international remittances from LONDON. Without the correct SWIFT code, international transfers to or from this branch cannot be processed.
How to Read SWIFT Code GRGMGB21
The code GRGMGB21 follows the ISO 9362 standard and breaks down as follows:
| Segment | Value | Length | Meaning |
|---|---|---|---|
| Bank Code | GRGM | 4 letters | Identifies HSBC GREENWELL as the institution |
| Country Code | GB | 2 letters | ISO 3166-1 alpha-2 code for United Kingdom |
| Location Code | 21 | 2 chars | City/region identifier within United Kingdom |
When to Use SWIFT Code GRGMGB21
Receiving International Wire Transfers
To receive money from abroad at your HSBC GREENWELL account in LONDON, share SWIFT code GRGMGB21 with the sender along with your full account number, your name as on the account, and the branch address.
NRI Remittances
Non-Resident Indians sending money to NRO/NRE accounts at HSBC GREENWELL, LONDON must provide SWIFT code GRGMGB21. Major remittance platforms — including Wise, Remitly, Western Union, and MoneyGram — use this code to route transfers accurately.
Trade Finance and Foreign Payments
Importers and exporters using HSBC GREENWELL in LONDON rely on SWIFT code GRGMGB21 for letters of credit, bank guarantees, and foreign currency settlements.
SWIFT Code vs IFSC vs MICR vs BSR — Key Differences
| Code | Format | Used For | Scope |
|---|---|---|---|
SWIFT GRGMGB21 | 8 or 11 chars | International wire transfers, NRI remittances, trade finance | Global — 200+ countries |
| IFSC | 11 chars (alpha) | NEFT, RTGS, IMPS, UPI account linking | India domestic only |
| MICR | 9 digits | Cheque clearing (CTS), NACH mandates, SIP registration | India domestic only |
| BSR | 7 digits | TDS challan filing, Form 16, Form 26AS, TRACES | India income tax only |
Need the IFSC code for domestic NEFT, RTGS, or UPI transfers? View the IFSC code for HSBC GREENWELL →
For cheque clearing or NACH mandates, use the MICR code for HSBC GREENWELL →
For TDS challan deposits, find the BSR code for HSBC GREENWELL →
How SWIFT Code GRGMGB21 Routes an International Transfer
- Initiation: The sender provides SWIFT code GRGMGB21 and account number to their bank.
- Validation: The sending bank validates the BIC against the SWIFT registry.
- Routing: An MT103 SWIFT message is transmitted through the network to HSBC GREENWELL.
- Correspondent bank (if needed): An intermediary bank may relay the transfer, adding 1–2 business days.
- Credit: HSBC GREENWELL receives the SWIFT message and credits the account. Total time: 1–5 business days.
Common Mistakes When Using SWIFT Code GRGMGB21
- Spaces or lowercase letters — Always enter
GRGMGB21uppercase with no spaces. - Using the wrong city — This code is for LONDON only.
- Truncating to 8 characters — When 11 characters are required, always use the full code.
- Using SWIFT for domestic transfers — Use the IFSC code for any transfer within United Kingdom.
Data Accuracy
BankZop sources SWIFT/BIC data from publicly available banking registries and official disclosures, updated regularly. For the highest-stakes transactions, always confirm GRGMGB21 directly with HSBC GREENWELL's LONDON branch or via the SWIFT BIC Directory.
SWIFT code data sourced from SWIFT Official Directory and verified against HSBC GREENWELL's published disclosures. Last reviewed Jun 2026 by BankZop Editorial Team. About our data sources →
