17 April News Premex responds to JXX v Archibald [2026] by creating new service charge. 03. Setting Fees and Getting Paid, 02. Working with Agencies or Panels, Premex, Service Charge Experts on Premex's panel have contacted the EWI to say that they will be subject to a15% service charge (plus VAT) on all invoices from 1 May 2026.