Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2018	Feb. 28, 2019
Document And Entity Information
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q1
Entity Registrant Name	GSG GROUP INC.
Entity Central Index Key	0001668523
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		30,300,000
Entity Current Reporting Status	Yes
Entity Emerging Growth Company	false
Entity Small Business	true