We are seeking a highly skilled and proactive Senior Billing Assistant to support a law firm''s finance team in delivering exceptional billing and reporting services. In this vital role, you will collaborate closely with the Billing Manager and Financial Controller, ensuring timely and precise client invoicing while contributing to process improvements and system upgrades. This is an exciting opportunity to leverage your expertise in a dynamic, forward-thinking environment and to grow your career within a supportive, innovative firm.Required Skills: Expertise in Excel with strong numerical and analytical abilitiesCIPA or CITMA qualification (essential)Solid understanding of VAT rules related to billing (preferable)Excellent communication skills, both written and verbal, with the ability to liaise confidently across all levels of the organizationExceptional attention to detail and organizational skillsProven experience working in a partnership or professional services environmentTactful, persistent, and confident when dealing with senior personnel and clientsExperience with billing software systems and familiarity with system upgrades and training Preferred Education and Experience: Relevant professional qualification (CIPA or CITMA)Previous experience in a legal or professional services firm, specifically in billing roles Other Requirements: Ability to work flexibly around core hours (10 am to 12 pm and 2 pm to 4 pm) with remote working options up to 40% per weekA proactive t