v3.26.1
Document And Entity Information
 12 Months Ended
Mar. 31, 2026
shares
Document Information [Line Items]  
Entity Central Index Key 0001954269
Document Type 20-F
Document Registration Statement false
Document Annual Report true
Current Fiscal Year End Date --03-31
Document Period End Date Mar. 31, 2026
Document Fiscal Year Focus 2026
Document Transition Report false
Document Shell Company Report false
Entity File Number 001-41879
Entity Registrant Name GARDEN STAGE LIMITED
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 30th Floor
Entity Address, Address Line Two China Insurance Group Building
Entity Address, Address Line Three 141 Des Voeux Road Central
Entity Address, City or Town Central
Entity Address, Country HK
Title of 12(b) Security Class A Ordinary shares, par value $0.02 per share
Trading Symbol GSIW
Security Exchange Name NASDAQ
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Non-accelerated Filer
Entity Emerging Growth Company true
Entity Ex Transition Period false
ICFR Auditor Attestation Flag false
Document Accounting Standard U.S. GAAP
Document Financial Statement Error Correction [Flag] false
Entity Shell Company false
Amendment Flag false
Document Fiscal Period Focus FY
Entity Address, Postal Zip Code 00000
Class A ordinary shares  
Document Information [Line Items]  
Entity Common Stock, Shares Outstanding 1,462,399
Class B ordinary shares  
Document Information [Line Items]  
Entity Common Stock, Shares Outstanding 9,250,000
Business Contact  
Document Information [Line Items]  
Entity Address, Address Line One 30th Floor
Entity Address, Address Line Two China Insurance Group Building
Entity Address, Address Line Three 141 Des Voeux Road Central
Entity Address, City or Town Central
Entity Address, Country HK
Contact Personnel Name Sze Ho, CHAN
City Area Code +852
Local Phone Number 2688 6333
Contact Personnel Email Address rickychan@iwinsec.com
Entity Address, Postal Zip Code 00000