v3.26.1
Cover
 12 Months Ended
Mar. 31, 2026
shares
Entity Addresses [Line Items]  
Document Type 20-F
Amendment Flag false
Document Registration Statement false
Document Annual Report true
Document Transition Report false
Document Shell Company Report false
Document Period End Date Mar. 31, 2026
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2026
Current Fiscal Year End Date --03-31
Entity File Number 333-292310
Entity Registrant Name GreenVector Holdings Limited
Entity Central Index Key 0002078037
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One Unit 401, 4/F
Entity Address, Address Line Two Tower 1, Harbour Centre
Entity Address, Address Line Three 1 Hok Cheung St., Hung Hom
Entity Address, City or Town Kowloon
Entity Address, Country HK
Entity Address, Postal Zip Code 0000
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
Elected Not To Use the Extended Transition Period false
Document Accounting Standard U.S. GAAP
Entity Shell Company false
Entity Common Stock, Shares Outstanding 11,000,000
ICFR Auditor Attestation Flag false
Document Financial Statement Error Correction [Flag] false
Auditor Firm ID 7020
Auditor Opinion [Text Block] We have audited the accompanying consolidated balance sheets of GreenVector Holdings Limited (“the Company”) and its subsidiaries (together the “Group”) as of March 31, 2026 and 2025, and the related consolidated statements of operations and comprehensive income/(loss), shareholders’ equity and cash flows for each of the years in the three-year period ended March 31, 2026, and the related notes (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Group as of March 31, 2026 and 2025, and the results of its operations and its cash flows for each of the years in the three-year period ended March 31, 2026, in conformity with accounting principles generally accepted in the United States of America.
Auditor Name AOGB CPA Limited
Auditor Location Hong Kong, Hong Kong
Business Contact [Member]  
Entity Addresses [Line Items]  
Entity Address, Address Line One Unit 401, 4/F
Entity Address, Address Line Two Tower 1, Harbour Centre
Entity Address, Address Line Three 1 Hok Cheung St., Hung Hom
Entity Address, City or Town Kowloon
Entity Address, Country HK
Entity Address, Postal Zip Code 0000
City Area Code (852)
Local Phone Number 2669-8222
Contact Personnel Name Dixon Chun Wan Chan