v3.26.1
Cover
3 Months Ended
Mar. 31, 2026
shares
Cover [Abstract]  
Document Type 10-Q
Amendment Flag false
Document Quarterly Report true
Document Transition Report false
Document Period End Date Mar. 31, 2026
Document Fiscal Period Focus Q1
Document Fiscal Year Focus 2026
Current Fiscal Year End Date --12-31
Entity File Number 000-56680
Entity Registrant Name CLUSTER GROUP HOLDINGS LIMITED CO.
Entity Central Index Key 0001346287
Entity Tax Identification Number 45-4895104
Entity Incorporation, State or Country Code FL
Entity Address, Address Line One 16th Floor, North Tower
Entity Address, Address Line Two 528 Pudong South Road
Entity Address, City or Town Shanghai
Entity Address, Country CN
Entity Address, Postal Zip Code 200120
Country Region 86
City Area Code 21
Local Phone Number 50917695
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Entity Shell Company false
Entity Common Stock, Shares Outstanding 40,004,385