v3.26.1
Cover
 12 Months Ended
Dec. 31, 2025
shares
Document Information [Line Items]  
Document Type 20-F
Document Registration Statement false
Document Annual Report true
Document Transition Report false
Document Financial Statement Error Correction [Flag] false
Document Shell Company Report false
Entity Interactive Data Current Yes
Document Accounting Standard International Financial Reporting Standards
ICFR Auditor Attestation Flag false
Amendment Flag false
Document Period End Date Dec. 31, 2025
Document Fiscal Year Focus 2025
Document Fiscal Period Focus FY
Entity Information [Line Items]  
Entity Registrant Name NaaS Technology Inc.
Entity Central Index Key 0001712178
Entity File Number 001-38235
Entity Incorporation, State or Country Code E9
Current Fiscal Year End Date --12-31
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Shell Company false
Entity Filer Category Non-accelerated Filer
Entity Emerging Growth Company false
Entity Contact Personnel [Line Items]  
Entity Address, Address Line One Newlink Center, Area G, Building 7
Entity Address, Address Line Two Huitong Times Square
Entity Address, Address Line Three No.1 Yaojiayuan South Road
Entity Address, City or Town Chaoyang District
Entity Address, Country CN
Entity Address, Postal Zip Code 100024
ADR  
Entity Listings [Line Items]  
Title of 12(b) Security American depositary shares, each representing 3,200 Class A ordinary shares, par value US$0.000001 per share
Trading Symbol NAAS
Security Exchange Name NASDAQ
Class A ordinary shares  
Entity Listings [Line Items]  
Title of 12(b) Security Class A ordinary shares, par value US$0.000001 per share
Entity Common Stock, Shares Outstanding 32,453,046,115
Class B ordinary shares  
Entity Listings [Line Items]  
Entity Common Stock, Shares Outstanding 195,969,844
Class C ordinary shares  
Entity Listings [Line Items]  
Entity Common Stock, Shares Outstanding 1,111,577,928
Class D ordinary shares  
Entity Listings [Line Items]  
Entity Common Stock, Shares Outstanding 16,000,000
Business Contact [Member]  
Entity Contact Personnel [Line Items]  
Contact Personnel Name Steven Sim
Entity Address, Address Line One Newlink Center, Area G, Building 7
Entity Address, Address Line Two Huitong Times Square
Entity Address, Address Line Three No.1 Yaojiayuan South Road
Entity Address, City or Town Chaoyang District
Entity Address, Country CN
Entity Address, Postal Zip Code 100024
Entity Phone Fax Numbers [Line Items]  
City Area Code 86
Local Phone Number (10) 8551 1066