v3.26.1
Earnings Per Share - Schedule of Basic and Diluted Earnings Per Share (Details) - USD ($)
 6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Numerator:    
Net loss attributable to Linkage Global Inc $ (1,670,078) $ (3,087,359)
Denominator:    
Weighted average number of ordinary shares [1],[2] 12,234,173 3,415,533
Net loss per ordinary share    
Basic [1] $ (0.14) $ (0.9)
Diluted [1] $ (0.14) $ (0.9)
[1] The shares and per share information are presented on a retroactive basis to reflect the reorganization completed on February 17, 2023, share split occurred on March 20, 2023, and share consolidation occurred on April 7, 2025 (Note 15).
[2] The number of ordinary shares is the weighted average number based on both Class A ordinary shares and Class B ordinary shares, with each Class B ordinary share representing 100 voting rights.