v3.26.1
Cover Page - shares
 12 Months Ended
Mar. 31, 2026
May 31, 2026
Entity Information [Line Items]    
Document Type 20-F  
Amendment Flag false  
Document Period End Date Mar. 31, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus FY  
Entity Registrant Name Wise Group plc  
Entity Central Index Key 0002099039  
Current Fiscal Year End Date --03-31  
Entity Well-known Seasoned Issuer No  
Entity Filer Category Non-accelerated Filer  
Entity Emerging Growth Company false  
Entity Shell Company false  
Title of 12(b) Security Class A ordinary shares, nominal value $0.01 per share  
Trading Symbol WSE  
Security Exchange Name NASDAQ  
Document Transition Report false  
Document Annual Report true  
Document Shell Company Report false  
Entity Current Reporting Status No  
Entity Voluntary Filers No  
Entity Interactive Data Current Yes  
Document Registration Statement false  
Entity File Number 001-43229  
Entity Incorporation, State or Country Code Y9  
Entity Address, Address Line One 1st Floor, Worship Square  
Entity Address, Address Line Two 65 Clifton Street  
Entity Address, City or Town London  
Entity Address, Postal Zip Code EC2A 4JE  
Entity Address, Country GB  
Document Accounting Standard U.S. GAAP  
ICFR Auditor Attestation Flag false  
Auditor Name PricewaterhouseCoopers LLP  
Auditor Location London, United Kingdom  
Auditor Firm ID 876  
Document Financial Statement Error Correction [Flag] false  
Business Contact [Member]    
Entity Information [Line Items]    
Contact Personnel Name Kristo Käärmann  
Entity Address, Address Line One 1st Floor Worship Square  
Entity Address, Address Line Two 65 Clifton Street  
Entity Address, City or Town London  
Entity Address, Postal Zip Code EC2A 4JE  
Entity Address, Country GB  
City Area Code 888  
Local Phone Number 501 4041  
Contact Personnel Email Address Owners@wise.com  
Country Region +1  
Common Class A [Member]    
Entity Information [Line Items]    
Entity Common Stock, Shares Outstanding   1,025,164,562
Common Class B [Member]    
Entity Information [Line Items]    
Entity Common Stock, Shares Outstanding   204,338,749