Mackenzie Hall | The most successful Debt Recovery Organization in the UK. Home, Our services are outstanding and we have an broad network of Call Centre Collections employees, Doorstep Collection Agents and Validation Officers at our disposal. We supply top of the line expertise in the Debt Collection business with a Blue Chip portfolio including most of the largest UK Debt Purchasers, Finance Houses, Utilities, Pay Day Loans & Mail Order companies. Mackenziehall.org~Site InfoWhoisTrace RouteRBL Check