v3.24.3
Business combinations - Goodwill (Details) - GBP (£)
£ in Thousands
4 Months Ended 13 Months Ended 14 Months Ended
Jun. 30, 2024
Jun. 30, 2024
Jun. 30, 2024
Feb. 29, 2024
Feb. 27, 2024
Aug. 03, 2023
Jun. 30, 2023
Jun. 09, 2023
May 10, 2023
Oct. 06, 2022
Jun. 30, 2022
Feb. 08, 2022
Disclosure of detailed information about business combination [line items]                        
Goodwill £ 515,724 £ 515,724 £ 515,724       £ 239,249 [1]          
GalaxE                        
Disclosure of detailed information about business combination [line items]                        
Consideration transferred, acquisition-date fair value 241,266 241,266 241,266 £ 241,266                
Fair value of net assets acquired 10,980 10,980 10,980 £ 27,200                
Goodwill 252,246 252,246 252,246                  
Adjustments to identifiable net assets (16,220)                      
DEK Corporation Pty Ltd                        
Disclosure of detailed information about business combination [line items]                        
Consideration transferred, acquisition-date fair value 55,879 55,879 55,879         £ 57,148        
Fair value of net assets acquired (11,775) (11,775) (11,775)         (11,513)        
Goodwill 44,104 44,104 44,104         £ 45,635        
Adjustments to consideration transferred   (1,269)                    
Adjustments to identifiable net assets   (262)                    
Adjustments to goodwill   (1,531)                    
Mudbath & Co Pty Ltd                        
Disclosure of detailed information about business combination [line items]                        
Consideration transferred, acquisition-date fair value 15,069 15,069 15,069           £ 15,099      
Fair value of net assets acquired (2,341) (2,341) (2,341)           (2,333)      
Goodwill £ 12,728 £ 12,728 12,728           £ 12,766      
Adjustments to consideration transferred     (30)                  
Adjustments to identifiable net assets     (8)                  
Adjustments to goodwill     £ (38)                  
Lexicon                        
Disclosure of detailed information about business combination [line items]                        
Consideration transferred, acquisition-date fair value                   £ 49,293    
Fair value of net assets acquired                   (5,243)    
Goodwill             £ 44,100     £ 44,050    
Business Agility Consulting BAC                        
Disclosure of detailed information about business combination [line items]                        
Consideration transferred, acquisition-date fair value                       £ 15,031
Fair value of net assets acquired                       (2,251)
Goodwill                     £ 12,800 £ 12,780
EQ Tek                        
Disclosure of detailed information about business combination [line items]                        
Consideration transferred, acquisition-date fair value         £ 14,824              
Fair value of net assets acquired         (1,499)              
Goodwill         £ 13,325              
TLM                        
Disclosure of detailed information about business combination [line items]                        
Consideration transferred, acquisition-date fair value           £ 8,333            
Fair value of net assets acquired           6,027            
Goodwill           £ 14,360            
[1]
(1) Restated to include the effect of revisions arising from provisional to final acquisition accounting for DEK and Mudbath (refer to note 3C for details).