Evaluate project or service costs and prepare bills of quantities.Develop and maintain project-specific billing processes and templates.Monitor and track project or service costs and invoices, ensuring timely and accurate billing.Collaborate with project managers and other internal teams to ensure compliance with contractual obligations and billing requirements.Liaise with clients to resolve billing-related queries or discrepancies.Maintain billing records and documentation in accordance with company policies and accounting standards.Generate periodic financial reports and analysis of billing data to support decision-making processes.Excellent communication and interpersonal skills to liaise with internal teams and external clients.Strong analytical skills and attention to detail.