Try These and let us know if they are ok

initial washroom solutions            
0845 603 6476       01384 455055             this is part of Rentokil group they from Dudley they have another number i`ll post separately
RENTOKIL             0845 603 6475       0121 521 2222            
RENTOKIL                   01342 332620            
CLAIMS DEPT: FOR DAMP PROOF COURSES
Rentokil                         0800 9171989      
Rentokil                   01384 453099       0800 9171989      
Rentokil (payments)        0845 602 2673  0800 9171981       Menu => Customer / Invoices / Credit Card Payment - quick & easy !
Rentokil Initial UK Ltd0845 603 6475       0800 9171981      
Rentokil Pest Control        01628 583800       0800 9171989       This is the Head Office number for Rentokil Pest Control but they can direct your call to the pest control helpline.
RENTOKIL PROPERTY CARE                   01342 332676             DAMP PROOF COURSE ENQUIRIES
rentokil recruitment line             0844 800 8840       01384 45505